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                    U.S. DEPARTMENT OF AGRICULTURE
 Microbial and Chemical Food Safety: Wyndmoor, PA
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ARS Home Northeast Area Wyndmoor, Pennsylvania Eastern Regional Research Center Microbial and Chemical Food Safety People & Locations







Dike O Ukuku

                                                                (PhD)
                        Microbial and Chemical Food Safety

                        




                        
                        Research Food Technologist
                        Phone: (215) 233-6427
                        
                        
                        Fax: (215) 233-6406(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsIntegration and Validation of Alternative and Multiple Intervention Technologies to Enhance Microbial Safety, Quality, and Shelf-life of Food
                                                    In-House Appropriated
                                                                    (D)Accession Number: 440207**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Attachment of Salmonella Typhimurium and pathogen survival on post-harvest produce

- (Peer Reviewed Journal)Combined treatment of pulsed light and nisin-organic acid based antimicrobial wash for inactivation of Escherichia coli O157:H7 in Romaine lettuce, reduction of microbial loads, and retention of quality ¿
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Olanya, O.M., Niemira, B.A., Jin, Z.T., Fan, X. 2023. Combined treatment of pulsed light and nisin-organic acid based antimicrobial wash for inactivation of Escherichia coli O157:H7 in Romaine lettuce, reduction of microbial loads, and retention of quality. Food Microbiology. Available online:Food Microbiology 118 (2024) 104402. https://doi.org/10.1016/j.fm.2023.104402.High salt concentration affects the microbial diversity of cassava during fermentation, as revealed by 16S rRNA gene sequencing
                                                        

- (Peer Reviewed Journal)Zhou, W., Ananga, A., Ukuku, D.O., Aryee, A. 2023. High salt concentration affects the microbial diversity of cassava during fermentation, as revealed by 16S rRNA gene sequencing. Fermentation. 9(8):727. https://doi.org/10.3390/fermentation9080727.Biological control of human pathogens on produce

- (Book / Chapter)Inactivation of foodborne and other pathogenic bacteria with pyrrolidine based fatty acid amide derivatives
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Yosief, H.O., Ashby, R.D., Niemira, B.A., Sarker, M.I., Ukuku, D.O., Mukhopadhyay, S., Msanne, J.N., Fan, X. 2023. Inactivation of foodborne and other pathogenic bacteria with pyrrolidine based fatty acid amide derivatives. Journal of Food Safety. https://doi.org/10.1111/jfs.13079.Antimicrobial efficacy of fatty acid amide derivatives for inhibition and reduction of Listeria monocytogenes and other bacterial strains

- (Proceedings)Olanya, O.M., Yosief, H., Ashby, R.D., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Msanne, J.N., Sarker, M.I., Fan, X. Antimicrobial efficacy of fatty acid amide derivatives for inhibition and reduction of Listeria monocytogenes and other bacterial strains. In Symposium on Chemical Intervention Technology to Improve Microbial Stability of Food. 266th American Chemical Society National Meeting, Division of Agricultural and Food Chemistry. August 12-17, 2023, San Francisco, CA. p. 106-107.Cold plasma and organic acid treatment combination enhances inactivation of salmonella bacteria on tomato stem scar surfaces

- (Abstract Only)Ukuku, D.O., Niemira, B.A., Olanya, O.M., Mukhopadhyay, S. 2023. Cold plasma and organic acid treatment combination enhances inactivation of salmonella bacteria on tomato stem scar surfaces. In: International Association for Food protection (IAFP) 2023 Program Book, Toronto, Ontario, Canada; July 16-19, 2023. p. 230.Pulsed Light Can Inactivate Salmonella in Packaged Tomatoes and Reduce Microbial Loads without Affecting Quality

- (Abstract Only)Cold plasma as a novel food processing technology

- (Book / Chapter)Evaluation of pulsed light treatment for inactivation of Salmonella in packaged cherry tomato and impact on background microbiota and quality
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Jin, Z.T., Olanya, O.M., Fan, X. 2023. Evaluation of pulsed light treatment for inactivation of Salmonella in packaged cherry tomato and impact on background microbiota and quality. Journal of Food Safety. https://doi.org/10.1111/jfs.13035.Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato
                                                        

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Olanya, O.M., Ukuku, D.O., Niemira, B.A., Mukhopadhyay, S., Orellana, L.E. 2022. Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato. Food Science and Technology (Sociedade Brasileira de Food Sci. and Tech) -SBCTA. https://doi.org/10.1590/fst.17622.Strength of Salmonella Attachment on Apple and Tomato Surfaces: Effect of Antimicrobial Treatments on Population Reduction and Inactivation
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2022. Strength of salmonella attachment on apple and tomato surfaces: Effect of antimicrobial treatments on population reduction and inactivation. LWT - Food Science and Technology. https://doi.org/10.1016/j.lwt.2022.113605.Effects of pulsed light and aerosolized organic acid treatments on inactivation of Salmonella enterica on cherry tomato, reduction of microbial loads, and preservation of quality.
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Olanya, O.M., Sokorai, K.J., Fan, X. 2021. Effects of pulsed light and aerosolized organic acid treatments on inactivation of Salmonella enterica on cherry tomato, reduction of microbial loads, and preservation of quality. Food Control. https://doi.org/10.1016/j.foodcont.2021.108667.Gamma radiation treatment of post-harvest produce for Salmonella enterica reduction on baby carrot and grape tomato

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Olanya, O.M., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Orellana, L. 2022. Gamma radiation treatment of post-harvest produce for Salmonella enterica reduction on baby carrot and grape tomato. Journal of Food Safety. 42(1)e12951:1-10.Effects of direct and in-package pulsed light treatment on inactivation of E. coli O157:H7 and reduction of microbial loads in romaine lettuce
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokroai, K., Jin, Z.T., Fan, X., Ukuku, D.O., Olanya, O.M., Leng, J., Juneja, V.K. 2021. Effects of direct and in-package pulsed light treatment on inactivation of E. coli O157:H7 and reduction of microbial loads in romaine lettuce. LWT - Food Science and Technology. https://doi.org/10.1016/j.lwt.2020.110710.Post-harvest reduction of Escherichia coli 0157:H7 on carrot and tomato by radiation, sanitizer and biocontrol treatments

- (Abstract Only)Nisin-based antimicrobial combination with cold plasma treatment inactivate Listeria monocytogenes on granny smith apples
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Niemira, B.A., Uknalis, J. 2019. Nisin-based antimicrobial combination with cold plasma treatment inactivate Listeria monocytogenes on granny smith apples. LWT - Food Science and Technology. 104:120-127. https://doi.org/10.1016/j.lwt.2018.12.049.Inactivation of Salmonella in cherry tomato stems cars and quality preservation by pulsed light treatment and antimicrobial wash
                                                        

- (Peer Reviewed Journal)Leng, J., Mukhopadhyay, S., Sokorai, K., Ukuku, D.O., Fan, X., Olanya, O.M., Juneja, V.K. 2019. Inactivation of Salmonella in cherry tomato stems cars and quality preservation by pulsed light treatment and antimicrobial wash. Food Control. 110:107005. https://doi.org/10.1016/j.foodcont.2019.107005.Reduction of Listeria monocytogenes on post-harvest carrot and tomato by radiation, santizer and biocontrol treatments and their combinations
                                                        

- (Peer Reviewed Journal)Rodriguez, A.B., Olanya, O.M., Ukuku, D.O., Niemira, B.A., Orellana, L.E., Mukhopadhyay, S., Cassidy, J.M., Boyd, G. 2019. Reduction of Listeria monocytogenes on post-harvest carrot and tomato by radiation, santizer and biocontrol treatments and their combinations. LWT - Food Science and Technology. 118:1-8.A two-step antimicrobial processing intervention for inactivation of bacteria on produce surface

- (Proceedings)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2019. A two-step antimicrobial processing intervention for inactivation of bacteria on produce surface. UJNR Food & Agricultural Panel Proceedings. TSukuba, Ibaraki, Japan., Page 31-31.Inactivation of pathogenic bacteria on post-harvest produce by predatory bacteria and hurdle treatments

- (Proceedings)Olanya, O.M., Niemira, B.A., Ukuku, D.O., Mukhopadhyay, S., Uknalis, J. 2019. Inactivation of pathogenic bacteria on post-harvest produce by predatory bacteria and hurdle treatments. UJNR Food & Agricultural Panel Proceedings. UJNR, Page 29-30.Nisin based organic acids inactivation of Salmonella on Grape tomatoes: Efficacy of treatment using bioluminescences ATP Assay
                                                        

- (Peer Reviewed Journal)Berrios-Rodriguez, A., Ukuku, D.O., Olanya, O.M., Cassidy, J.M., Orellana, L.E., Mukhopadhyay, S., Niemira, B.A. 2019. Nisin based organic acids inactivation of Salmonella on grape tomatoes: efficacy of treatment using bioluminescences ATP assay. Journal of Food Protection. 83(1):68-74. https://doi.org/10.4315/0362-028X.JFP-19-275.Inactivation of Salmonella enterica and Listeria monocytogenes on post-harvest tomatoes and carrots by radiation, sanitizer and biocontrol treatments

- (Abstract Only)Olanya, O.M., Rodreguez, A., Niemira, B.A., Ukuku, D.O., Orellana, L., Cassidy, J.M. 2019. Inactivation of Salmonella enterica and Listeria monocytogenes on post-harvest tomatoes and carrots by radiation, sanitizer and biocontrol treatments. Meeting Abstract. (Abstract) South African Assn of Food Science & Technology(SAAFoST) Congress, Sept 1-4, 2019; IN SAAFoST 23rrd Biennial International Congress & Exhibition,  41 pg.Antimicrobial treatments and cold storage inactivates injured salmonella bacteria on melon surfaces and fresh-cut pieces
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2019. Antimicrobial treatments and cold storage inactivates injured salmonella bacteria on melon surfaces and fresh-cut pieces. Journal of Food Processing and Preservation. https://doi.org/10.1111/jfpp.13943.Effect of time and storage temperature on injured salmonella bacteria on honeydew and cantaloupe melons after sanitizing treatments and fresh-cut preparation

- (Peer Reviewed Journal)Fate of injured Salmonella and Escherichia coli 0157:H7 on Granny Smith apples after cold plasma and organic acids treatments

- (Abstract Only)Cost estimation of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Hoshide, A.K., Oluwatosin, I., Ukuku, D.O., Mukhopadhyay, S., Niemira, B.A., Ayeni, O. 2019. Cost estimation of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications. Food Control. https://doi.org/10.1016/j.foodcont.2019.02.007.Effects of pulsed light and sanitizer wash combination on inactivation of Escherichia coli 0157:H7, microbial loads and apparent quality of spinach leaves
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Fan, X., Olanya, O.M., Juneja, V.K. 2019. Effects of pulsed light and sanitizer wash combination on inactivation of Escherichia coli 0157:H7, microbial loads and apparent quality of spinach leaves. Food Microbiology. 82:127-134. https://doi.org/10.1016/j.fm.2019.01.022.Efficacy of ATP assay for assessment of bacterial populations on grape tomatoes treated with gamma radiation and novel antimicrobial solution

- (Abstract Only)Cost assessment of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications

- (Abstract Only)Olanya, O.M., Hoshide, A.K., Oluwatosin, I.A., Ukuku, D.O., Niemira, B.A., Mukhopadhyay, S., Ayeni, O. 2019. Cost assessment of listeriosis (Listeria monocytogenes) occurrence in South Africa in 2017-2018 and its food safety implications. Meeting Abstract. Volume 1, Page 1; IFT Annual Meeting, New Orleans, LA,Survival and growth of transferred salmonella and aerobic mesophilic bacteria from melon rinds to fresh juices during juices preparation
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2018. Survival and growth of transferred salmonella and aerobic mesophilic bacteria from melon rinds to fresh juices during juices preparation. Frontiers in Sustainable Food Systems. https://doi.org/10.3389/fsufs.2018.00078.Yersinia

- (Book / Chapter)Ukuku, D.O., Md Latiful, B. 2019. Yersinia Enterocolitica. Editors: M. P. Docyle, F. Dietz-Gonzalez and C. Hill. Food Microbiology: Fundamentals and Frontiers, 5th Edition. Pages: 437-450Microbial control and food Preservation: Theory and practice: Principles of food preservation

- (Book / Chapter)Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K., Nayak, B., Olanya, O.M. 2018. Microbial control and food Preservation: Theory and practice: Principles of food preservation. Book Chapter. https://doi.org/10.1016/j.cofs.2018.01.013.The role of emerging technologies to ensure the microbial safety of fresh produce, milk and eggs

- (Review Article)Mukhopadhyay, S., Ukuku, D.O. 2018. The role of emerging technologies to ensure the microbial safety of fresh produce, milk and eggs. Current Opinion in Food Science. https://doi.org/10.1016/j.cofs.2018.01.013.Inactivation of Salmonella in tomato stem scars by organic acid wash and chitosan-allyl isothiocyanate coating

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Jin, Z.T., Fan, X., Olanya, O.M., Juneja, V.K. 2018. Inactivation of Salmonella in tomato stem scars by organic acid wash and chitosan-allyl isothiocyanate coating. International Journal of Food Microbiology. 266:234-240.Effects of temperature and storage time on inactivation of Listeria monocytogenes, Salmonella enterica, and Escherichia coli 0157:H7 populations by sophorolipid and sanitizer in-vitro and on tomato
                                                        

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Solaiman, D., Ashby, R.D., Niemira, B.A., Mukhopadhyay, S. 2018. Effects of temperature and storage time on inactivation of Listeria monocytogenes, Salmonella enterica, and Escherichia coli 0157:H7 populations by sophorolipid and sanitizer in-vitro and on tomato. International Journal of Food Science and Technology. 53:1303-1315. http://doi.org/10.1111/ijfs.13711.Guest editorial, special issue on new food processing technologies and food safety

- (Other)Bari, M., Grumezescu, A., Ukuku, D.O., Dey, G., Miyaji, T. 2017. Guest editorial, special issue on new food processing technologies and food safety. Journal of Food Quality. doi:10.1155/2017/3535917.Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole cantaloupe after wet steam treatment

- (Abstract Only)Ukuku, D.O., Geveke, D.J., Chau, L.I., Niemira, B.A. 2017. Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole cantaloupe after wet steam treatment. [Abstract].Institute of Food Technologists Annual Meeting., Chicago, Illinois. Volume 1, Page 1.Appearance and overall acceptability of fresh-cut cantaloupe pieces from whole melon treated with wet steam process

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Chau, L.I., Bigley, A., Niemira, B.A. 2017. Appearance and overall acceptability of fresh-cut cantaloupe pieces from whole melon treated with wet steam process. LWT - Food Science and Technology. doi: 10.1016/j.lwt.2017.04.033.Injury and recovery of salmonella, Escherichia coli 0157:H7 and Listeria Monocytogenes on cantaloupe rind surfaces after hyrdogren peroxide and minimal thermal treatment

- (Abstract Only)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M., Niemira, B.A. 2017. Injury and recovery of salmonella, Escherichia coli 0157:H7 and Listeria Monocytogenes on cantaloupe rind surfaces after hyrdogren peroxide and minimal thermal treatment.[Abstract]. International Association for Food Protection., Tampa, Florida., Volume 1, Page 1.Antimicrobial and cold plasma treatments for inactivation of listeria monocytogenes on whole apple surface

- (Abstract Only)Ukuku, D.O., Niemira, B.A., Uknalis, J. 2017. Antimicrobial and cold plasma treatments for inactivation of listeria monocytogenes on whole apple surface. [Abstract].Annual Meeting of the Institute of Food Technologists.Las Vegas, NV., Volume 1, Page 1.Effect of high hydrostatic pressure processing on the background microbial loads and quality of cantaloupe puree

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Fan, X., Juneja, V.K. 2016. Effect of high hydrostatic pressure processing on the background microbial loads and quality of cantaloupe puree. Food Research International. doi: 10.1016/j.foodres.2016.11.029.Inactivation of Salmonella enterica and Listeria monocytogenes in cantaloupe puree by high hydrostatic pressure with/without added ascorbic acid

- (Peer Reviewed Journal)Mukhopadhyay, S., Sokorai, K.J., Ukuku, D.O., Fan, X., Juneja, V.K., Sites, J.E., Cassidy, J.M. 2016. Inactivation of Salmonella enterica and Listeria monocytogenes in cantaloupe puree by high hydrostatic pressure with/without added ascorbic acid. International Journal of Food Microbiology. 235:77-84.  doi: 10.1016/j.ijfoodmicro.2016.07.007.Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Imungi, J., Olanya, O.M., Ukuku, D.O. 2016. Cultivar preference and sensory evaluation of vegetable pigeon pea (Cajanus cajan) in Eastern Kenya. Food Security Journal. 8:757-767.Growth dynamics of specific spoilage organisms and associated spoilage biomarkers in chicken breast stored aerobically

- (Peer Reviewed Journal)Miks-Krajnik, M., Yoon, Y., Ukuku, D.O., Yuk, H. 2016. Growth dynamics of specific spoilage organisms and associated spoilage biomarkers in chicken breast stored aerobically. Food Microbiology and Safety Journal. DOI:10.1111/1750-3841.13371.Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces and transfer to fresh-cut pieces. Journal of Food Protection. doi: 10.4315/0362-028X.JFP-16-046.Yield potential of pigeon pea cultivars

- (Peer Reviewed Journal)Ojwang, D.J., Nyankanga, R.O., Olanya, O.M., Ukuku, D.O., Imungi, J. 2016. Yield potential of pigeon pea cultivars. Subtropical Agriculture and Environments. 67:1-12.Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole fruit after wet steam treatment

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Chau, L.I., Niemira, B.A. 2016. Microbial safety and overall quality of cantaloupe fresh-cut pieces prepared from whole fruit after wet steam treatment. International Journal of Food Microbiology. doi: 10.1016/j.ijfoodmicro.2016.05.019.Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces

- (Abstract Only)Ukuku, D.O., Mukhopadhyay, S., Geveke, D.J., Olanya, O.M., Niemira, B.A. 2016. Minimal thermal treatments for reducing bacterial population on cantaloupe rind surfaces. Meeting Abstract. Volume 1, Page 1.IAFP Annual Meeting.St. Louis, Missouril July 31-August 3, 2016.Changes in microbial populations of WPC34 and WPC80 whey protein during long term storage

- (Peer Reviewed Journal)Ukuku, D.O., Onwulata, C.I., Mukhopadhyay, S., Thomas-Gahring, A.E., Chau, L.I., Tunick, M.H. 2016. Changes in microbial populations of WPC34 and WPC80 whey protein during long term storage. Journal of Food Processing and Preservation. doi: 10/1111/jfpp.12743.Physical and chemical changes in whey protein concentrate stored at elevated temperature and humidity
                                                        

- (Peer Reviewed Journal)Tunick, M.H., Thomas-Gahring, A.E., Van Hekken, D.L., Iandola, S.K., Singh, M., Qi, P.X., Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I., Tomasula, P.M. 2016. Physical and chemical changes in whey protein concentrate stored at elevated temperature and humidity. Journal of Dairy Science. 99:2372-2383. DOI: 10.3168/jds.2015-10256.Volatile chemical spoilage indexes of raw Atlantic salmon (salmo salar)stored under aerobic condition in relation to microbiological and sensory shelf lives

- (Peer Reviewed Journal)Krajnik, M., Yoon, Y., Ukuku, D.O., Hyun, G. 2016. Volatile chemical spoilage indexes of raw Atlantic salmon (salmo salar)stored under aerobic condition in relation to microbiological and sensory shelf lives. Food Microbiology. 53:182-191.Impact of high-pressure processing on the microbial ecology of foods

- (Book / Chapter)Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K., Ramaswamy, R. 2016. Impact of high-pressure processing on the microbial ecology of foods. In: de Souza Sant'Ana, A. (Ed). Quantitative Microbiology in Food Processing: Modeling the Microbial Ecology, First Edition. Chichester, West Sussex, UK. Wiley-Blackwell Publisher. p.194-216.Quality of whey powders stored under adverse conditions

- (Abstract Only)Tunick, M.H., Thomas-Gahring, A.E., Van Hekken, D.L., Iandola, S.K., Bazemore, R., Allison, C., Bazemore, K., Singh, M., Qi, P.X., Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I., Tomasula, P.M. 2015. Quality of whey powders stored under adverse conditions. Meeting Abstract. Abstract of 2015 International Chemical Congress of Pacific Basin Societies. December 15-20, 2015, Honolulu, Hawaii. ENVR102.Survival, injury and inactivation of human bacterial pathogens in foods: effect of non-thermal treatments

- (Book / Chapter)Ukuku, D.O., Latiful, B., Kassama, L.S., Mukhopadhyay, S., Olanya, O.M. 2015. Survival, injury and inactivation of human bacterial pathogens in foods: effect of non-thermal treatments. Book Chapter. p. 82-96.Effects of integrated treatment of nonthermal UV-C light and different antimicrobial wash on Salmonella enterica on plum tomatoes
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K. 2015. Effects of different combined non-thermal treatments against Salmonella enterica on plum tomatoes. Food Control. 56:147-154. DOI: 10.1016/j.foodcont.2015.03.020.Foodborne illness and microbial agents

- (Book / Chapter)Ukuku, D.O., Latiful, B. 2015. Foodborne illness and microbial agents. Book Chapter. Foodborne Pathogens and Safety (Food Biology Series);Bari,Md.L.,Ukuku, Dike (editors) CRC Press, Taylor and Francis Group.Boca Raton, Florida, USA. p. 16-34.Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes

- (Peer Reviewed Journal)Olanya, O.M., Taylor, J., Ukuku, D.O., Malik, N.S. 2014. Inactivation of Salmonella serovars by Pseudomonas chlororaphis and Pseudomonas fluorescens strains on tomatoes. Biocontrol Science and Technology. 25(4):399-413. DOI:10.1080/09583157.2014.982513.Evaluating natural antimicrobials for food application, in natural antimicrobials for food safety and quality

- (Book / Chapter)Ukuku, D.O., Mukhopadhyay, S., Juneja, V.K., Rajkowski, K.T. 2014. Evaluating natural antimicrobials for food application, in natural antimicrobials for food safety and quality. Book Chapter. Oxford, UK: Woodhead Publishing. p. 185-202.Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage

- (Peer Reviewed Journal)Ukuku, D.O., Huang, L., Sommers, C.H. 2014. Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage. Journal of Food Protection. 78:1288-1295.Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Mukhopadhyay, S., Olanya, O.M., Juneja, V.K. 2014. Survival, injury and inactivation of Escherichia coli 0157:H7, salmonella and aerobic mesophilic bacteria in apple juice and cider amended with nisin-edta. Journal of Food Processing and Technology. 5:385.Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes

- (Abstract Only)Olanya, O.M., Ukuku, D.O. 2014. Progress on the bio-control of foodborne pathogens on leafy greens with non-pathogenic microbes. Meeting Abstract. IAFP Meeting, Indianapolis, Indiana. Volume 5: Page 44.Effects of UV-C treatment on inactivation of Salmonella and Escherichia coli O157:H7 on tomato surface and steam scars, native microbial loads, and quality of grape tomatoes
                                                        

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Juneja, V.K., Fan, X. 2014. Effects of UV-C treatment on inactivation of Salmonella and Escherichia coli O157:H7 on tomato surface and steam scars, native microbial loads, and quality of grape tomatoes. Food Control. http://dx.doi.org/10.1016/j.foodcont.2014.03.027.Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.

- (Abstract Only)Olanya, O.M., Ukuku, D.O., Niemira, B.A., Taylor, J. 2014. Assessment of Pseudomonas fluorescens and Escherichia coli 0157:H7 populations in monocultures and co-cultures as influenced by substrates, temperatures and storage times.. Meeting Abstract. IAFP Meeting. Indianapolis, Indiana. Volume 71, Page 67.Behavior of native microbial populations of WPC-34 and WPC-80 whey protein stored at different temperatures
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Onwulata, C.I., Thomas-Gahring, A.E., Mukhopadhyay, S., Tunick, M.H. 2014. Behavior of native microbial populations of WPC-34 and WPC-80 whey protein stored at different temperatures. Journal of Food Processing and Technology. DOI: 10.4172/2157-7110l.1000304.Interactive effects of temperature, pH, and water activity on the growth kinetics of Shiga-toxin producing Escherichia coli O104:H4
                                                        

- (Peer Reviewed Journal)Juneja, V.K., Mukhopadhyay, S., Ukuku, D.O., Hwang, C., Wu, V.C., Harshavardhan, T. 2014. Interactive effects of temperature, pH, and water activity on the growth kinetics of Shiga-toxin producing Escherichia coli O104:H4. Journal of Food Protection. 77(5):706-712  doi:10.431/0362-028XJFP-13-387.Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Niemira, B.A. 2014. Effects of temperature and storage time on resting populations of Escherichia coli 0157:H7 and Pseudomonas flurorescens in vitro. Food Control. 39:128-134.Inactivation of natural microflora and Escherichia coli K-12 on cantaloupe rind surfaces using wet steam treatments

- (Abstract Only)Ukuku, D.O., Geveke, D.J., Chau, L.I., Bigley Jr, A.B. 2013. Inactivation of natural microflora and Escherichia coli K-12 on cantaloupe rind surfaces using wet steam treatments. International Association for Food Protection. 1:1.Survival and growth populations of Salmonella transferred from melon rind surfaces to cantaloupe, honeydew, and watermelon pulps during preparation

- (Abstract Only)Ukuku, D.O. 2013. Survival and growth populations of Salmonella transferred from melon rind surfaces to cantaloupe, honeydew, and watermelon pulps during preparation. Meeting Abstract. Annual IAFP meeting., Charlotte, NC., July 28-31, 2013. Volume 1, Page 1.Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Olanya, O.M. 2013. Effect of organic acid treatments on microbial safety and overall acceptability of fresh-cut melon cubes. International Journal of Food, Agriculture, and the Environment. 11(3&4):340-345.Survival and growth parameters of Escherichia Coli 0157:H7, Salmonella Spp. and Listeria Monocytogenes on fresh-cut pieces prepared from whole cantaloupe treated with Lovit sanitizer

- (Abstract Only)Ukuku, D.O., Huang, L. 2013. Survival and growth parameters of Escherichia Coli 0157:H7, Salmonella Spp. and Listeria Monocytogenes on fresh-cut pieces prepared from whole cantaloupe treated with Lovit sanitizer. Meeting Abstract. 2nd International Conference and Exhibition on Nutritional Science and Therapy, Philadelphia, PA., July 15-17, 2013., Volume 1, Page 1.Produce safety and quality research at ERRC

- (Abstract Only)Ukuku, D.O. 2013. Produce safety and quality research at ERRC. Meeting Abstract., International Conference and Exhibition on Nutritional Science and Therapy, July 15-17, 2013, Philadelphia, PA., Volume 1, Page 1.Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens

- (Abstract Only)Olanya, O.M., Niemira, B.A., Ukuku, D.O., Annous, B.A., Sommers, C.H. 2013. Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens. The 2nd International Conference and Exhibition on Nutritional Science. Abstract. 3(4):69.Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach

- (Peer Reviewed Journal)Olanya, O.M., Ukuku, D.O., Annous, B.A., Niemira, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. International Journal of Food, Agriculture, and the Environment. 11:86-91.Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach

- (Abstract Only)Olanya, O.M., Ukuku, D.O., Niemira, B.A., Annous, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. Meeting Abstract. Journal of Food Protection, Volume 76 (supplement),Page 35.Membrane damage and viability loss of thermally treated and high hydrostatic pressurized E. coli 0157:H7 and Salmonella spp. in apple juice
                                                        

- (Peer Reviewed Journal)Ukuku, D.O., Yamamoto, K., Bari, M., Mukhopadhyay, S., Juneja, V.K., Kawamoto, S. 2013. Membrane damage and viability loss of thermally treated and high hydrostatic pressurized E. coli 0157:H7 and Salmonella spp. in apple juice. Journal of Food Processing and Technology. 4:236 doi:10.4172/2157-7110.1000236.Efficacy of integrated treatment of UV light and low dose gamma irradiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Fan, X., Juneja, V.K. 2013. Efficacy of integrated treatment of UV light and low dose gamma irradiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes. Journal of Food Science. DOI:10.1111/1750-3841.12154.Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach

- (Abstract Only)Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2013. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Meeting Abstract. IFT13., July 13-16,2013, Chicago, Illinois., Page 104.Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach

- (Peer Reviewed Journal)Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2012. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Journal of Food Safety. 32:492-501.Effect of storage temperature on survival and recovery of thermal and extrusion injured Escherichia coli populations in whey protein concentrate and corn meal

- (Peer Reviewed Journal)Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I. 2013. Effect of storage temperature on survival and recovery of thermal and extrusion injured Escherichia coli populations in whey protein concentrate and corn meal. Foodborne Pathogens and Disease. Volume 10(1):62-68.Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens

- (Peer Reviewed Journal)Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens. Journal of Food Protection. 75(11)1912-1919.Cellular damage of Escherichia coli 0157:H7 and Salmonella spp. in apple juice treated with high hydrostatic pressure and thermal death time disks

- (Abstract Only)Ukuku, D.O., Yamamoto, K., Kawamoto, S. 2012. Cellular damage of Escherichia coli 0157:H7 and Salmonella spp. in apple juice treated with high hydrostatic pressure and thermal death time disks. Meeting Abstract. American Chemical Society Meeting and Exposition.,Philadelphia, PA, August 19-23, 2012., Volume 1,Page 1.Effect of thermal and radio frequency electric fields treatments on Escherichia coli bacteria in apple juice

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Cooke, P.H. 2012. Effect of thermal and radio frequency electric fields treatments on Escherichia coli bacteria in apple juice. Journal of Microbial and Biochemical Technology. 4(3):076-081.Behavior of Escherichia coli bacteria in whey protein and corn meal during twin screw extrusion processing at different temperatures

- (Peer Reviewed Journal)Ukuku, D.O., Onwulata, C.I., Mukhopadhyay, S. 2012. Behavior of Escherichia coli bacteria in whey protein and corn meal during twin screw extrusion processing at different temperatures. Journal of Food Processing and Technology. 3(4):1000150.Survival and growth of Salmonella Enteritidis in membrane processed liquid egg white with pH, temperature and storage conditions as controlling factors

- (Peer Reviewed Journal)Mukhopadhyay, S., Ukuku, D.O., Phillips, J.G., Juneja, V.K. 2012. Survival and growth of Salmonella Enteritidis in membrane processed liquid egg white with pH, temperature and storage conditions as controlling factors. Food Microbiology. 75(7):1219-1226.Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes

- (Abstract Only)Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes [abstract]. International Association for Food Protection Annual Meeting., July 20-25, 2012, Providence, Rhode Island. 1:1.The effects of integrated treatment of UV light and low dose gamma radiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes

- (Abstract Only)Mukhopadhyay, S., Ukuku, D.O., Fratamico, P.M. 2012. The effects of integrated treatment of UV light and low dose gamma radiation on Escherichia coli O157:H7 and Salmonella enterica on grape tomatoes [abstract]. International Association for Food Protection, July 22-25, 2012, Providence, Rhode Island. 1:1.Efficacy of modified antimicrobial treatments on microbial safety and overall acceptability of fresh-cut cantaloupe melons

- (Abstract Only)Influence of pH, temperature and storage condition on survival and growth of Salmonella Enteritidis in membrane processed liquid egg white

- (Abstract Only)Mukhopadhyay, S., Phillips, J.G., Ukuku, D.O. 2012. Influence of pH, temperature and storage condition on survival and growth of Salmonella Enteritidis in membrane processed liquid egg white [abstract]. International Food Technology Meeting Abstracts. IFT Annual Meeting. June 25-28, 2012, Las Vegas, NV. 1:1.Yersiniosis and food safety

- (Other)Md. Latiful, B., Ukuku, D.O., Isshiki, K., Ramesh, R.C., Didier, M. 2012. Yersiniosis and food safety. Journal of Pathogens. Volume 2012, Article 605037, Page 1.Hydrogen peroxide

- (Book / Chapter)Ukuku, D.O., Md. Latiful, B., Kawamoto, S. 2012. Hydrogen peroxide. In: Gomez-Lopez, V.M., editor. Decontamination of Fresh and Minimally Processed Produce. First Edition. Ames, IA: John Wiley & Sons, Inc. p. 197-214.Effect of heat and radio frequency electric field treatments on membrane damage and intracellular leakage of UV-substances of Escherichia coli K-12 in apple juice

- (Abstract Only)Ukuku, D.O., Geveke, D.J., Cooke, P.H. 2011. Effect of heat and radio frequency electric field treatments on membrane damage and intracellular leakage of UV-substances of Escherichia coli K-12 in apple juice.  IAFP Meeting, Milwaukee, Wisconsin, 7/31 - 8/3/2011. Volume 1, Page 1.Behavior of Yersinian enteriocolitica in foods

- (Review Article)Bari, M., Hossain, M., Isshiki, K., Ukuku, D.O. 2011. Behavior of Yersinian enteriocolitica in foods. Journal of Pathogens. 420732:1-13.A bioluminescence ATP assay for estimating surface hydrophobicity and membrane damage of Escherichia coli cells treated with pulsed electric fields

- (Peer Reviewed Journal)Ukuku, D.O., Yuk, H., Zhang, H.Q. 2011. A bioluminescence ATP assay for estimating surface hydrophobicity and membrane damage of Escherichia coli cells treated with pulsed electric fields. Foodborne Pathogens and Disease. Volume 8, Number 10, 2011, Pages 1103-1109.Effect of storage temperatures on injured escherichia coli cell populations in whey and corn meal snacks treated with a twin screw extruder

- (Abstract Only)Ukuku, D.O., Mukhopadhyay, S., Onwulata, C.I. 2011. Effect of storage temperatures on injured escherichia coli cell populations in whey and corn meal snacks treated with a twin screw extruder. IFT Annual Meeting and Food Expo, June 11-14, 2011, New Orleans, LA., Volume 1, P.1.Viability loss of Escherichia coli cell populations in whey and corn meal snack treated at different temperatures with a twin screw extruder

- (Abstract Only)Ukuku, D.O. 2011. Viability loss of Escherichia coli cell populations in whey and corn meal snack treated at different temperatures with a twin screw extruder. IFT Annual meeting and Food Expo, June 11-14, 2011, New Orleans, LA.,  Volume 1, P. 1.Survival, injury and inactivation of human bacterial pathogens in foods: effect of thermal and non-thermal treatments

- (Abstract Only)Behavior of pulsed electric field injured Escherichia coli O157:H7 cells in apple juice amended with pyruvate and catalase

- (Peer Reviewed Journal)Ukuku, D.O., Yuk, H., Zhang, H.Q. 2010. Behavior of pulsed electric field injured Escherichia coli O157:H7 cells in apple juice amended with pyruvate and catalase. Journal of Microbial and Biochemical Technology. 2(6):134-138.Behavior of radio frequency electric fields injured Escherichia coli in nutrient and non nutrient media during storage

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Zhang, H.Q. 2010. Behavior of radio frequency electric fields injured Escherichia coli in nutrient and non nutrient media during storage. International Journal of Food Microbiology. 8(3&4):170-174.A combined treatment of UV-light and radio frequency electric field for the inactivation of Escherichia coli K-12 in apple juice

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J. 2010. A combined treatment of UV-light and radio frequency electric field for the inactivation of Escherichia coli K-12 in apple juice. International Journal of Food Microbiology. 138:50-55.Difference in cellular damage and cell death in thermal death time disks and high hydrostatic pressure treated Salmonella Enteritidis (ATCC13076) in liquid whole egg

- (Proceedings)Ukuku, D.O. 2009. Difference in cellular damage and cell death in thermal death time disks and high hydrostatic pressure treated Salmonella Enteritidis (ATCC13076) in liguid  whole egg. Proceedings of the United States-Japan Cooperative Program In Natural Resources (UJNR). Food and Agriculture Panel 38th Annual Meeting. October 3-9, 2009, Tsukuba, Japan. p. 107-110.Leakage of Intracellular UV Materials of High Hydrostatic Pressure-Injured Escherichia Coli O157:H7 Strains in Tomato Juice

- (Peer Reviewed Journal)Ukuku, D.O., Zhang, H.Q., Latiful, B., Yamamoto, K., Kawamoto, S. 2009. Leakage of Intracellular UV Materials of High Hydrostatic Pressure-Injured Escherichia Coli O157:H7 Strains in Tomato Juice. Journal of Food Protection. 72(11):2407-2412.Growth parameters of escherichia coli O157:H7, salmonella and listeria monocytogenes and aerobic mesophilic bacteria of apple cider amended with nisin-EDTA

- (Peer Reviewed Journal)Ukuku, D.O., Zhang, H.Q., Huang, L. 2009. Growth parameters of escherichia coli O157:H7, salmonella and listeria monocytogenes and aerobic mesophilic bacteria of apple cider amended with nisin-EDTA. Foodborne Pathogens and Disease. 6(4):487-494.Membrane damage and viability loss of Escherichia coli K-12 and Salmonella entertidis in liquid egg by thermal death time disk treatment

- (Peer Reviewed Journal)Ukuku, D.O., Jin, Z.T., Zhang, H.Q. 2008. Membrane damage and viability loss of Escherichia coli K-12 and Salmonella entertidis in liquid egg by thermal death time disk treatment. Journal of Food Protection. 71(10):1988-1995.Membrane Damage and Viability Loss of Escherichia coli K-12 in Apple Juice Treated with Radio Frequency Electric Fields

- (Peer Reviewed Journal)Ukuku, D.O., Geveke, D.J., Cooke, P.H., Zhang, H.Q. 2008. Membrane Damage and Viability Loss of Escherichia coli K-12 in Apple Juice Treated with Radio Frequency Electric Fields. Journal of Food Protection. 71(4):684-690.Effect of Hydrostatic Pressure Pulsing on the Inactivation of Salmonella Enteritidis in Liquid Whole Egg

- (Peer Reviewed Journal)Bari, M.L., Ukuku, D.O., Mori, M., Kawamoto, S., Yamamoto, K. 2008. Effect of Hydrostatic Pressure Pulsing on the Inactivation of Salmonella Enteritidis in Liquid Whole Egg. Foodborne Pathogens and Disease. 5(2):175-182.Efficiency of high pressure treatment on the inactivation of Escherichia coli O157:H7 in tomato juice and Salmonella in liquid whole egg

- (Proceedings)Bari, L., Mori, M., Ukuku, D.O., Kawamoto, S., Yamamoto, K. 2007. Efficiency of high pressure treatment on the inactivation of Escherichia coli O157:H7 in tomato juice and Salmonella in liquid whole egg. In: Proceedings of the 4th International Conference on High Pressure Bioscience and Biotechnology. September 27, 2006, Tsukuba, Japan. p.272-279.EFFCT OF HIGH-PRESSURE TREATMENT ON SURVIVAL OF ESCHERICHIA COLI 0157:H7 POPULATION IN TOMATO JUICE

- (Peer Reviewed Journal)Bari, M.L., Mori, M., Ukuku, D.O., Kawamoto, S., Kawamoto, K. 2007. Effct of high-pressure treatment on survival of escherichia coli 0157:h7 population in tomato juice. International Journal of Food, Agriculture, and the Environment. 5(1):111-115.EFFECT OF TIME BEFORE STORAGE AND STORAGE TEMPERATURE ON SURVIVAL OF SALMONELLA INOCULATED ON FRESH-CUT MELONS

- (Peer Reviewed Journal)Ukuku, D.O., Sapers, G.M. 2006. EFFECT OF TIME BEFORE STORAGE AND STORAGE TEMPERATURE ON SURVIVAL OF SALMONELLA INOCULATED ON FRESH-CUT MELONS. Food Microbiology. 24:288-295.EFFECT OF CELL SURFACE CHARGE AND HYDROPHOBICITY ON ATTACHMENT OF 16 SALMONELLA SEROVARS TO CANTALOUPE RIND AND DECONTAMINATION WITH SANITIZERS

- (Peer Reviewed Journal)Ukuku, D.O., Fett, W.F. 2006. Effect of cell surface charge and hydrophobicity on attachment of 16 salmonella serovars to cantaloupe rind and decontamination with sanitizers . Journal of Food Protection. 69(8):1835-1843.EFFECT OF VACUUM STEAM VACUUM TREATMENT ON MICROBIAL QUALITY OF WHOLE AND FRESH-CUT CANTLOUPE PIECES

- (Peer Reviewed Journal)Ukuku, D.O., Kozempel, M.F., Fan, X. 2006. Effect of vacuum steam vacuum treatment on microbial quality of whole and fresh-cut cantloupe pieces. Journal of Food Protection. 69(7):1623-1629.EFFICIENCY OF HIGH PRESSURE TREATMENT ON THE INACTIVATION OF ESCHERICHIA COLI 0157:H7 IN TOMATO JUICE AND LIQUID WHOLE EGG

- (Proceedings)Bari, M.L., Mori, M., Ukuku, D.O., Kawamoto, S., Kawamoto, K. 2005. Efficiency of high pressure treatment on the inactivation of escherichia coli 0157:h7 in tomato juice and liquid whole egg. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 34st Annual meeting, October 23-29, 2005. Susono, Shizuoka, Japan. P. 349-355.EFFECT OF PROCESSING UNDER ULTRAVIOLET LIGHT ON THE SHELF LIFE OF FRESH-CUT CANTALOUPE MELON

- (Peer Reviewed Journal)Lamikanra, O., Bett Garber, K.L., Kueneman, D., Ukuku, D.O. 2005. Effect of processing under ultraviolet light on the shelf life of fresh-cut cantaloupe melon. Journal of Food Science. 70:534-539.BIOFILM FORMATION BY SALMONELLA SPP. ON CANTALOUPE SURFACES

- (Peer Reviewed Journal)Solomon, E.B., Cooke, P.H., Burke, A.M., Ukuku, D.O., Annous, B.A. 2005. Biofilm formation by salmonella spp. on cantaloupe surfaces. Journal of Food Safety. 25:276:287.ATP BIOLUMINESCENCE ASSAY FOR ESTIMATION OF MICROBIAL POPULATIONS OF FRESH-CUT MELON

- (Peer Reviewed Journal)Ukuku, D.O., Sapers, G.M., Fett, W.F. 2005. ATP bioluminescence assay for estimation of microbial populations of fresh-cut melon. Journal of Food Protection. 68(11):2427-2432.EFFECT OF SANITIZING TREATMENTS ON CANTALOUPE SURFACE STRUCTURE, REMOVAL OF BACTERIA AND RE-CONTAMINATION WITH SALMONELLA

- (Peer Reviewed Journal)Ukuku, D.O., Cooke, P.H. 2005. Effect of sanitizing treatments on cantaloupe surface structure, removal of bacteria and re-contamination with salmonella. Food Microbiology. 23:289-293.USE OF HYDROGEN PEROXIDE IN COMBINATION WITH NISIN, SODIUM LACTATE AND CITRIC ACID IN REDUCING TRANSFER OF BACTERIAL PATHOGENS FROM WHOLE MELON SURFACES TO FRESH-CUT PIECES

- (Peer Reviewed Journal)Ukuku, D.O., Bari, M.L., Kawamoto, S., Isshiki, K. 2005. Use of hydrogen peroxide in combination with nisin, sodium lactate and citric acid in reducing transfer of bacterial pathogens from whole melon surfaces to fresh-cut pieces. International Journal of Food Microbiology. 104:225-233.COMBINED ACTION OF NISIN AND PEDIOCIN WITH SODIUM LACTATE, CITRIC ACID, PHYTIC ACID AND POTASSIUM SORBATE AND EDTA IN REDUCING LISTERIA MONOCYTOGENES POPULATION OF INOCULATED FRESH-CUT PRODUCE

- (Peer Reviewed Journal)Bari, M.L., Kawasaki, T., Inatsu, Y., Ukuku, D.O., Isshiki, K., Kawamoto, S. 2005. Combined action of nisin and pediocin with sodium lactate, citric acid, phytic acid and potassium sorbate and edta in reducing listeria monocytogenes population of inoculated fresh-cut produce. Journal of Food Protection. 68(7):1381-1387.MECHANISMS OF MICROBIAL SPOILAGE OF FRUITS AND VEGETABLES

- (Book / Chapter)Niemira, B.A., Sommers, C.H., Ukuku, D.O. 2005. Mechanisms of microbial spoilage of fruits and vegetables. In: Lamikanra, O., Imam, S.H., Ukuku, D.O., editors. Produce Degradation: Reaction Pathways and their Prevention. New York, NY: Taylor and Francis Group. p. 463-482.ENSURING THE MICROBIAL SAFETY OF MINIMALLY PROCESSED FRESH-CUT FRUITS

- (Proceedings)Ukuku, D.O., Fett, W.F., Liao, C., Sapers, G.M. 2004. Ensuring the microbial safety of minimally processed fresh-cut fruits. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 33rd Annual meeting, December 11-18, 2004. Hawaii. p. 321-327.ATTACHMENT OF BACTERIAL HUMAN PATHOGENS ON FRUIT AND VEGETABLES SURFACES

- (Book / Chapter)Ukuku, D.O., Liao, C., Gembeh, S.V. 2005. Attachment of bacterial human pathogens on fruit and vegetables surfaces. Book Chapter. CRC Press. p. 419-438.MICROBIOLOGICAL SAFETY ISSUES OF FRESH  MELONS

- (Book / Chapter)Ukuku, D.O., Sapers, G.M. 2005. Microbiological safety issues of fresh  melons. In: Sapers, G.M., Gorny, J.R., Yousef, A.E., editors. Microbiology of Fruits and Vegetables. Boca Raton, FL: CRC Press. p. 231-251.PRODUCE DEGRADATION: PATHWAYS AND PREVENTION

- (Book / Chapter)Lamikanra, O., Imam, S.H., Ukuku, D.O. 2005. Produce degradation: pathways and prevention. CRC Press LLC. 0849319021.EFFECT OF NISIN IN COMBINATION WITH EDTA, SODIUM LACTATE AND POTASSIUM SORBATE FOR REDUCING SALMONELLA ON WHOLE AND FRESH-CUT CANTALOUPE

- (Peer Reviewed Journal)Ukuku, D.O., Fett, W.F. 2004. Effect of nisin in combination with edta, sodium lactate and potassium sorbate for reducing salmonella on whole and fresh-cut cantaloupe. Journal of Food Protection. 67(1):2143-2150.INHIBITION OF LISTERIA MONOCYTOGENES BY NATIVE MICROFLORA OF WHOLE CANTALOUPE

- (Peer Reviewed Journal)Ukuku, D.O., Fett, W.F., Sapers, G.M. 2004. Inhibition of listeria monocytogenes by native microflora of whole cantaloupe. Journal of Food Safety. 24:129-146.EFFECT OF HYDROGEN PEROXIDE TREATMENT ON MICROBIAL QUALITY AND APPEARANCE OF WHOLE AND FRESH-CUT MELONS CONTAMINATED WITH SALMONELLA SPP

- (Peer Reviewed Journal)Ukuku, D.O. 2004. Effect of hydrogen peroxide treatment on microbial quality and appearance of whole and fresh-cut melons contaminated with salmonella spp. International Journal of Food Microbiology. 95:137-146.ROLE OF FLUORESCENT PSEUDOMONADS AND THEIR PECTOLYTIC ENZYMES IN SPOILAGE OF FRESH AND FRESH-CUT PRODUCE

- (Book / Chapter)Liao, C., Ukuku, D.O. 2005. Role of fluorescent pseudomonads and their pectolytic enzymes in spoilage of fresh and fresh-cut produce. Book Chapter. CRC Press. 483-504.METHOD OF APPLYING SANITIZERS AND SAMPLE PREPARATION AFFECTS RECOVERY OF NATIVE MICROFLORA AND SALMONELLA ON WHOLE CANTALOUPE SURFACES

- (Peer Reviewed Journal)Ukuku, D.O., Fett, W.F. 2004. Method of applying sanitizers and sample preparation affects recovery of native microflora and salmonella on whole cantaloupe surfaces. Journal of Food Protection. 67:999-1004.EFFECT OF HOT WATER AND HYDROGEN PEROXIDE TREATMENTS ON SURVIVAL OF SALMONELLA AND MICROBIAL QUALITY OF WHOLE AND FRESH-CUT CANTALOUPE

- (Peer Reviewed Journal)Ukuku, D.O., Pilizota, V., Sapers, G.M. 2004. Effect of hot water and hydrogen peroxide treatments on survival of salmonella and microbial quality of whole and fresh-cut cantaloupe. Journal of Food Protection. 67:432-437.EFFECT OF NISIN-EDTA, CHLORINE AND HYDROGEN PEROXIDE TREATMENTS IN REDUCING TRANSFER OF NATURALLY OCCURRING MICROFLORA OF WHOLE MELON TO FRESH-CUT PIECES

- (Proceedings)Ukuku, D.O., Sapers, G.M., Fett, W.F. 2003. Effect of nisin-edta, chlorine and hydrogen peroxide treatments in reducing transfer of naturally occurring microflora of whole melon to fresh-cut pieces. In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Food and Agriculture Panel, 32nd Annual meeting, November 9-15, 2003. Tsukuba, Ibaraki, Japan. p. 31-37.BEHAVIOR OF LISTERIA MONOCYTOGENES INOCULATED ON WHOLE CANTALOUPE AND FRESH-CUT PIECES

- (Proceedings)Ukuku, D.O. 2002. Behavior of listeria monocytogenes inoculated on whole cantaloupe and fresh-cut pieces.  In: Proceedings of the United States-Japan Cooperative program in Natural Resources (UJNR) Protein Resources Panel, 31st Annual meeting, December1-6, 2002 Monterey, California. P. K-1-K-9.EFFECTIVENESS OF CHLORINE AND NISIN-EDTA TREATMENTS OF WHOLE MELONS AND FRESH-CUT PIECES FOR REDUCING NATIVE MICROFLORA AND EXTENDING SHELF LIFE

- (Peer Reviewed Journal)UKUKU, D.O., FETT, W.F. EFFECTIVENESS OF CHLORINE AND NISIN-EDTA TREATMENTS OF WHOLE MELONS AND FRESH-CUT PIECES FOR REDUCING NATIVE MICROFLORA AND EXTENDING SHELF LIFE. JOURNAL OF FOOD SAFETY. 2002. V. 22. P. 231-353.RELATIONSHIP OF CELL SURFACE CHARGE AND HYDROPHOBICITY WITH STRENGTH OF    ATTACHMENT OF BACTERIA TO CANTALOUPE RIND

- (Peer Reviewed Journal)BEHAVIOR OF LISTERIA MONOCYTOGENES INOCULATED ON CANTALOUPE SURFACES AND   EFFICACY OF WASHING TREATMENTS TO REDUCE TRANSFER FROM RIND TO FRESH-CUT   PIECES

- (Peer Reviewed Journal)Ukuku, D.O., Fett, W.F. 2002. Behavior of listeria monocytogenes inoculated on cantaloupe surfaces and  efficacy of washing treatments to reduce transfer from rind to fresh-cut   pieces. Journal of Food Protection. 65(6):924-930.EFFECT OF SANITIZER TREATMENTS ON SALMONELLA STANLEY ATTACHED TO THE       SURFACE OF CANTALOUPE AND CELL TRANSFER TO FRESH-CUT TISSUES DURING CUTTINGPRACTICES

- (Peer Reviewed Journal)BIOLUMINESCENCE ATP ASSAY FOR ESTIMATING TOTAL PLATE COUNTS OF SURFACE     MICROFLORA OF WHOLE CANTALOUPE AND DETERMINING EFFICACY OF WASHING         TREATMENTS

- (Peer Reviewed Journal)FACTORS LIMITING THE EFFICACY OF SANITIZER TREATMENTS FOR FRESH PRODUCE

- (Proceedings)Liao, C., Ukuku, D.O., Fett, W.F. 2000. Factors limiting the efficacy of sanitizer treatments for fresh produce. Meeting Abstract. 29th Annual Meeting, Nov. 19-25, 2000, Honolulu, HI.
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