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                    U.S. DEPARTMENT OF AGRICULTURE
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Kimberly  Sokorai
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                        Phone: (215) 233-6556
                        
                        
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                            **Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)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.Quality deterioration of grape tomato fruit during storage after treatments with gaseous ozone at conditions that significantly reduced populations of Salmonella on stem scar and smooth surface
                                                        

- (Peer Reviewed Journal)Wang, L., Fan, X., Sokorai, K.J., Sites, J.E. 2019. Quality deterioration of grape tomato fruit during storage after treatments with gaseous ozone at conditions that significantly reduced populations of Salmonella on stem scar and smooth surface. Food Control. 103:9-20.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.Gaseous chlorine dioxide maintained the sensory and nutritional zuality of grape tomatoes and reduced populations of salmonella enterica serovar typhimurium
                                                        

- (Peer Reviewed Journal)Wang, L., Sokorai, K.J., Wu, V.C., Fan, X. 2018. Gaseous chlorine dioxide maintained the sensory and nutritional zuality of grape tomatoes and reduced populations of salmonella enterica serovar typhimurium. Food Control. 96:299-309. https://doi.org/10.1016/j.foodcont.2018.09.023.Type of tomatoes and water rinse affect efficacy of acid washes against salmonella enterica inoculated on stem scar areas of tomatoes and on product quality

- (Peer Reviewed Journal)Fan, X., Gurtler, J., Sokorai, K.J. 2018. Type of tomatoes and water rinse affect efficacy of acid washes against salmonella enterica inoculated on stem scar areas of tomatoes and on product quality. International Journal of Food Microbiology. 280:57-65.Development of antibrowning and antimicrobial formulations to minimize listeria monocytogenes contamination and inhibit browning of fresh-cut "Granny Smith" apples

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Phillips, J. 2018. Development of antibrowning and antimicrobial formulations to minimize listeria monocytogenes contamination and inhibit browning of fresh-cut "Granny Smith" apples. Postharvest Biology and Technology. 143:43-49.In-Package atmospheric cold plasma treatment of bulk grape tomatoes for their microbiological safety and preservation

- (Peer Reviewed Journal)Min, S.C., Roh, S., Niemira, B.A., Boyd, G., Sites, J.E., Fan, X., Sokorai, K.J., Jin, Z.T. 2018. In-Package atmospheric cold plasma treatment of bulk grape tomatoes for their microbiological safety and preservation. 108:378-386.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.Cold Plasma-activated hydrogen peroxide aerosol inactivates Escherichia coli 0157:H7, Salmonella Typhimurium, and Listeria innocua and maintains quality of grape tomato, spinach and cantaloupe

- (Peer Reviewed Journal)Jiang, Y., Sokorai, K.J., Pyrgiotakis, G., Demokritou, P., Li, X., Jin, Z.T., Mukhopadhyay, S., Fan, X. 2017. Cold Plasma-activated hydrogen peroxide aerosol inactivates Escherichia coli 0157:H7, Salmonella Typhimurium, and Listeria innocua and maintains quality of grape tomato, spinach and cantaloupe. International Journal of Food Microbiology. 249:53-60.Cold plasma inactivates salmonella on grape tomatoes in a commercial PET plastic container without affecting quality

- (Abstract Only)Niemira, B.A., Min, S., Roh, S., Fan, X., Sokorai, K.J., Boyd, G., Sites, J.E. 2017. Cold plasma inactivates salmonella on grape tomatoes in a commercial PET plastic container without affecting quality. [Abstract] Annual Meeting of the Institute of Food Technologists. Las Vegas, Nevada., 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.Comparison of gamma and electron beam irradiation in reducing populations of E. coli artificially inoculated on Mung Bean, clover and Fenugreek Seeds, and affecting germination and growth of seeds

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Weidauer, A., Gotzmann, G., Rogner, F., Koch, E. 2016. Comparison of gamma and electron beam irradiation in reducing populations of E. coli artificially inoculated on Mung Bean, clover and Fenugreek Seeds, and affecting germination and growth of seeds. Journal of Radiation Physics and Chemistry. doi: 10.1016/jradphyschem.2016.09.015.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.Formation of trichloromethane in chlorinated water and fresh-cut produce and as a result of reacting with citric acid
                                                        

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2015. Formation of trichloromethane in chlorinated water and fresh-cut produce and as a result of reacting with citric acid. Postharvest Biology and Technology. 109:65-72.Decontamination of mesquite pod flour, naturally contaminated with Bacillus cereus and formation of furan by ionizing irradiation
                                                        

- (Peer Reviewed Journal)Fan, X., Felker, P., Sokorai, K.J. 2015. Decontamination of mesquite pod flour, naturally contaminated with Bacillus cereus and formation of furan by ionizing irradiation. Journal of Food Protection. 78(5):954-962.Quality of gamma ray-irradiated iceberg lettuce and treatments to minimize irradiation-induced disorders

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Niemira, B.A., Mills, R.S., Zhen, M.Y. 2012. Quality of gamma ray-irradiated iceberg lettuce and treatments to minimize irradiation-induced disorders. HortScience. 47:1108-1112.Inactivation of L. innocua, S. Typhimurium, and E. coli O157:H7 on surface and stem scar areas of tomatoes using in-package ozonation

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Engemann, J., Gurtler, J., Liu, Y. 2012. Inactivation of L. innocua, S. Typhimurium, and E. coli O157:H7 on surface and stem scar areas of tomatoes using in-package ozonation. Journal of Food Protection. 75:1611-1618.Quality of fresh-cut iceberg lettuce and spinach irradiated at doses up to 4kGy

- (Peer Reviewed Journal)Fan, X., Guan, W., Sokorai, K.J. 2012. Quality of fresh-cut iceberg lettuce and spinach irradiated at doses up to 4kGy. Journal of Radiation Physics and Chemistry. 81:1071-1075.Changes in quality, liking and purchase intent of irradiated fresh-cut spinach during storage

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2011. Changes in quality, liking and purchase intent of irradiated fresh-cut spinach during storage. Journal of Food Science. 76(6):353-368.Effects of gamma irradiation, modified atmosphere packaging and delay of irradiation on quality of fresh-cut iceberg letuce

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2011. Effects of gamma irradiation, modified atmosphere packaging and delay of irradiation on quality of fresh-cut iceberg letuce. HortScience. 46:273-277.Antibrowning and antimicrobial properties of sodium acid sulfate in apple slices

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Liao, C., Cooke, P.H., Zhang, H.Q. 2009. Antibrowning and antimicrobial properties of sodium acid sulfate in apple slices. Journal of Food Science. 74(9):M485-M492.Factors Affecting Thermally Induced Furan Formation

- (Peer Reviewed Journal)Fan, X., Huang, L., Sokorai, K.J. 2008. Factors Affecting Thermally Induced Furan Formation. Journal of Agricultural and Food Chemistry. 56:9490-9494.Retention of Quality and Nutritional Value of Thirteen Fresh-cut Vegetables Treated with Low Dose Radiation

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2008. Retention of Quality and Nutritional Value of Thirteen Fresh-cut Vegetables Treated with Low Dose Radiation. Journal of Food Science. 73(7):S367:S372.Effect of ionizing radiation on furan formation in fresh-cut fruits and vegetables

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2008. Effect of ionizing radiation on furan formation in fresh-cut fruits and vegetables. Journal of Food Science. 73(2):C79-C83.EFFECTS OF IONIZING RADIATION ON QUALITY OF FROZEN CORN AND PEAS

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2007. Effects of ionizing radiation on quality of frozen corn and peas. Journal of Food Protection. 70(8):1901-1908.COMBINATION OF HOT WATER SURFACE PASTEURIZATION OF WHOLE FRUIT AND LOW DOSE GAMMA IRRADIATION OF FRESH-CUT CANTALOUPE

- (Peer Reviewed Journal)Fan, X., Annous, B.A., Sokorai, K.J., Burke, A.M., Mattheis, J.P. 2006. Combination of hot water surface pasteurization of whole fruit and low dose gamma irradiation of fresh-cut cantaloupe. Journal of Food Protection. 69(4):912-919.REDUCTION OF IRRADIATION-INDUCED QUALITY CHANGES BY ROSEMARY EXTRACT IN READY-TO-EAT TURKEY PRODUCT

- (Book / Chapter)Fan, X., Sommers, C.H., Sokorai, K.J. 2006. Reduction of irradiation-induced quality changes by rosemary extract in ready-to-eat turkey product. In Havkin-Frenkel, D., Frenkel, C., Dudai, N., editors. Proceeding of the First International Symposium on Natural Preservatives in Food Systems. Acta Horticulture 709:61-67.IONIZING IRRADIATION INCREASES ANTIOXIDANT CAPACITY AND PHENOLIC CONTENT OF FRESH-CUT VEGETABLES

- (Abstract Only)Fan, X., Sokorai, K.J. 2005. Ionizing irradiation increases antioxidant capacity and phenolic content of fresh-cut vegetables. IFT/EFFoST Nonthermal Processing Division Workshop, September 15-16, 2005, ERRC, Wyndmoor, PA. Abstract #3, p. 80.STUDIES OF POST-IRRADIATION SURVIVAL OF LISTERIA MONOCYTOGENES AND L. INNOCUA ON ENDIVE, REGROWTH UNDER MODIFIED ATMOSPHERE PACKAGING AND PRODUCT SENSORY QUALITIES

- (Proceedings)Niemira, B.A., Fan, X., Sokorai, K.J., Sommers, C.H., Rajkowski, K.T. 2006. STUDIES OF POST-IRRADIATION SURVIVAL OF LISTERIA MONOCYTOGENES AND L. INNOCUA ON ENDIVE, REGROWTH UNDER MODIFIED ATMOSPHERE PACKAGING AND PRODUCT SENSORY QUALITIES. Meeting Abstract. 301-316.RADIATION SENSITIVITY AND QUALITY OF FRESH-CUT VEGETABLES EXPOSED TO GAMMA RADIATION

- (Proceedings)Fan, X., Niemira, B.A., Rajkowski, K.T., Sokorai, K.J. 2006. Radiation sensitivity and quality of fresh-cut vegetables exposed to gamma radiation. IAEA, July 22-30, 2005, Islamabad, Pakistan. p. 286-293.EFFECTS OF CALCIUM ASCORBATE AND IONIZING RADIATION ON THE SURVIVAL OF LISTERIA MONOCYTOGENES AND PRODUCT QUALITY OF FRESH-CUT “GALA” APPLES

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J., Sommers, C.H., Niemira, B.A., Mattheis, J.P. 2005. Effects of calcium ascorbate and ionizing radiation on the survival of listeria monocytogenes and product quality of fresh-cut “gala” apples. Journal of Food Science. M352-358.EFFECTS OF CALCIUM ASCORBATE, AN ANTIOXIDANT AND ANTIBROWNING AGENT, ON RADIATION RESISTANCE OF L. MONOCYTOGENES AND QUALITY OF "GALA" APPLE SLICES

- (Abstract Only)Fan, X., Sokorai, K.J., Sommers, C.H., Niemira, B.A., Mattheis, J.P. 2005. Effects of calcium ascorbate, an antioxidant and antibrowning agent, on radiation resistance of l. monocytogenes and quality of "gala" apple slices. Institute of Food Technologists Annual Meeting, July 16-20, 2004, New Orleans, LA. p. 36E-31.ASSESSMENT OF RADIATION SENSITIVITY OF FRESH-CUT VEGETABLES USING ELECTROLYTE LEAKAGE MEASUREMENT

- (Peer Reviewed Journal)Fan, X., Sokorai, K.J. 2005. Assessment of radiation sensitivity of fresh-cut vegetables using electrolyte leakage measurement. Postharvest Biology and Technology. 36: 191-197.IONIZING RADIATION AND ANTIOXIDANTS AFFECT VOLATILE SULFUR COMPOUNDS, LIPID OXIDATION AND COLOR OF READY-TO-EAT TURKEY BOLOGNA

- (Peer Reviewed Journal)Fan, X., Sommers, C.H., Sokorai, K.J. 2004. Irradiation and antioxidants affect volatile sulfur compounds, lipid oxidation and color of ready-to-eat turkey bologna. Journal of Agricultural and Food Chemistry. 52:3509-3515.IRRADIATION AND MODIFIED ATMOSPHERE PACKAGING OF ENDIVE INFLUENCES SURVIVAL AND REGROWTH OF LISTERIA MONOCYTOGENES AND PRODUCT SENSORY QUALITIES

- (Peer Reviewed Journal)Niemira, B.A., Fan, X., Sokorai, K.J. 2005. Irradiation and modified atmosphere packaging of endive influences survival and regrowth of listeria monocytogenes and product sensory qualities. Journal of Radiation Physics and Chemistry. 72:41-48.EFFECT OF PH ON THE SURVIVAL OF LISTERIA INNOCUA IN CALCIUM ASCORBATE SOLUTIONS AND ON QUALITY OF FRESH-CUT APPLES

- (Peer Reviewed Journal)Karaibrahimoglu, Y., Fan, X., Sapers, G.M., Sokorai, K.J. 2004. Effect of ph on the survival of listeria innocua in calcium ascorbate solutions and on quality of fresh-cut apples. Journal of Food Protection. 67:751-757.CHANGES IN GROWTH AND ANTIOXIDANT STATUS OF ALFALFA SPROUTS DURING SPROUTING AS AFFECTED BY GAMMA IRRADIATION OF SEEDS

- (Peer Reviewed Journal)FAN, X., THAYER, D.W., SOKORAI, K.J. CHANGES IN GROWTH AND ANTIOXIDANT STATUS OF ALFALFA SPROUTS DURING SPROUTING AS AFFECTED BY GAMMA IRRADIATION OF SEEDS. JOURNAL OF FOOD PROTECTION. 2004. V. 67. NO. 3. P. 561-566.EFFECT OF GAMMA RADIATION ON VISUAL QUALITY OF FRESH-CUT VEGETABLES

- (Proceedings)Fan, X., Sokorai, K.J. 2003. Effect of gamma radiation on visual quality of fresh-cut vegetables. International Meeting on Radiatoin Processing. September 7-12, 2003, Chicago, IL. Abstract #10, p. 10.RADIATION (GAMMA) RESISTANCE AND POST-IRRADIATION GROWTH OF LISTERIA MONOCTYTOGENES SUSPENDED IN BEEF BOLOGNA THAT CONTAINED SODIUM DIACETATE AND POTASSIUM LACTATE

- (Peer Reviewed Journal)SOMMERS, C.H., FAN, X., NIEMIRA, B.A., SOKORAI, K.J. RADIATION (GAMMA) RESISTANCE AND POST-IRRADIATION GROWTH OF LISTERIA MONOCTYTOGENES SUSPENDED IN BEEF BOLOGNA THAT CONTAINED SODIUM DIACETATE AND POTASSIUM LACTATE. JOURNAL OF FOOD SAFETY. 2003. V. 66. P. 2051-2056.USE OF IONIZING RADIATION TO IMPROVE SENSORY AND MICROBIAL QUALITY OF FRESH-CUT GREEN ONION LEAVES

- (Peer Reviewed Journal)FAN, X., NIEMIRA, B.A., SOKORAI, K.J. USE OF IONIZING RADIATION TO IMPROVE SENSORY AND MICROBIAL QUALITY OF FRESH-CUT GREEN ONION LEAVES. JOURNAL OF FOOD SCIENCE. 2003. V. 68. P. 1478-1483.SENSORIAL NUTRITIONAL AND MICROBIOLOGICAL QUALITY OF FRESH CILANTRO LEAVES AS INFLUENCED BY IONIZING IRRADIATION AND STORAGE

- (Peer Reviewed Journal)FAN, X., NIEMIRA, B.A., BAXENDALE, K.J. SENSORIAL NUTRITIONAL AND MICROBIOLOGICAL QUALITY OF FRESH CILANTRO LEAVES AS INFLUENCED BY IONIZING IRRADIATION AND STORAGE. FOOD RESEARCH INTERNATIONAL. 2003. V. 36. P. 713-719.IONIZING RADIATION SENSITIVITY OF LISTERIA MONOCYTOGENES AND L. INNOCUA INOCULATED ON ENDIVE (CICHORIUM ENDIVA)

- (Peer Reviewed Journal)NIEMIRA, B.A., FAN, X., SOKORAI, K.J., SOMMERS, C.H. IONIZING RADIATION SENSITIVITY OF LISTERIA MONOCYTOGENES AND L. INNOCUA INOCULATED ON ENDIVE (CICHORIUM ENDIVA). JOURNAL OF FOOD PROTECTION. 2003. V. 66 (6). P. 993-998.FORMULATION OF SOY- AND BEEF-BASED READY TO EAT FOOD PRODUCTS INFLUENCES RADIATION SENSITIVITY OF SURFACE-INOCULATED LISTERIA MONOCYTOGENES AND POST-IRRADIATION PRODUCT SENSORY PROPERTIES

- (Peer Reviewed Journal)NIEMIRA, B.A., SOMMERS, C.H., FAN, X., SOKORAI, K.J. FORMULATION OF SOY- AND BEEF-BASED READY TO EAT FOOD PRODUCTS INFLUENCES RADIATION SENSITIVITY OF SURFACE-INOCULATED LISTERIA MONOCYTOGENES AND POST-IRRADIATION PRODUCT SENSORY PROPERTIES. JOURNAL OF FOOD SAFETY. 2003. V. 23. P. 35-46.WARM WATER TREATMENT IN COMBINATION WITH MODIFIED ATMOSPHERE PACKAGING REDUCED UNDESIRABLE EFFECTS OF IRRADIATION ON THE QUALITY OF FRESH-CUT ICEBERG LETTUCE

- (Peer Reviewed Journal)FAN, X., TOIVONEN, P.M., RAJKOWSKI, K.T., BAXENDALE, K.J. WARM WATER TREATMENT IN COMBINATION WITH MODIFIED ATMOSPHERE PACKAGING REDUCED UNDESIRABLE EFFECTS OF IRRADIATION ON THE QUALITY OF FRESH-CUT ICEBERG LETTUCE.. JOURNAL OF FOOD SCIENCE. 2002. V. 51. P. 1231-1236.CHANGES IN VOLATILE COMPOUNDS OF GAMMA IRRADIATED FRESH CILANTRO LEAVES DURING COLD STORAGE

- (Peer Reviewed Journal)FAN, X., BAXENDALE, K.J. CHANGES IN VOLATILE COMPOUNDS OF GAMMA IRRADIATED FRESH CILANTRO LEAVES DURING COLD STORAGE. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY. 2002. V. 50. P. 7622-7627.SENSORIAL AND CHEMICAL QUALITY OF GAMMA IRRADIATED FRESH-CUT ICEBERG LETTUCE IN MODIFIED ATMOSPHERE PACKAGES

- (Peer Reviewed Journal)FAN, X., BAXENDALE, K.J. SENSORIAL AND CHEMICAL QUALITY OF GAMMA IRRADIATED FRESH-CUT ICEBERG LETTUCE IN MODIFIED ATMOSPHERE PACKAGES. JOURNAL OF FOOD PROTECTION. 2002. V. 65(11). P. 1760-1765.


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