bluuebunny/crossref_metadata_2025 huggingface dataset:
Combination therapy with injectable platelet-rich fibrin and microneedling for male androgenetic alopecia: an evaluation of current practice
Authors: Millar-Hume Lucy
Published: November 2021

Introduction:

Within the past 20 years, significant advances have taken place within the realm of aesthetic medicine to manage hair loss. Several human blood preparations have been found to contain regenerative properties suitable for hair rejuvenation and, subsequently, have emerged onto the market. An advanced and liquid version of platelet-rich fibrin, injectable platelet-rich fibrin (iPRF) is one such product. This article evaluates the combination of iPRF with microneedling (MN) for the treatment of male androgenetic alopecia (AGA) compared to other therapies. To knowledge, it is the first evaluation of its kind.

Methods and materials:

Secondary research was conducted via EMBASE, MEDLINE, PubMed and Cochrane Library databases to explore a preferred blood preparation and combination treatment using MN.

Results and discussion:

Secondary research shows that there is more in-depth evidence that suggests platelet-rich plasma (PRP) is the preferred blood preparation for treating male AGA at present. However, studies show that iPRF has greater regenerative potential. More research currently exists to suggest that MN in combination with minoxidil (MX) therapy is preferred over iPRF combined with MN alone. No validated patient-reported outcome measures (PROMs) currently exist for male AGA, although PROMs do exist for facial aesthetic treatments and alopecia areata.

Conclusions:

Studies show that iPRF combined with MN is a safe and effective option for the treatment of male AGA, but comparison studies against other combinations are lacking. Other monotherapy and combination methods are generally more evidenced. The secondary research also found that no specific PROM tool for measuring male AGA exists. Unless a specific PROM is developed and validated for male AGA, challenges around treatment comparison will continue to limit evidence.
Super deduction: a financial marvel?
Authors: Silsby Will
Published: November 2021

A temporary tax break offered by the Chancellor in the March 2021 budget has opened up a 2-year window for companies to invest in plant and equipment
The Development of Indonesian Accounting Teacher Professional Identity Measurement: An Exploratory Factor Analysis
Authors: Syah Muhammad Fahmi Johan , Janudin Sharul Effendy , Mansor Mahaliza , Fuadi Djalal , Harsono Harsono , Widiastuti Ratieh , Romadhoni Defri Nur , Hafidah Angelia Suci
Published: October 2021

Measuring accounting teachers’ professional identity is significant to do as an alternative to measure the professionalism of accounting teachers in Indonesia based on their professional identity. This research was conducted in two stages of exploratory factor analysis involving 150 accounting teachers as sample in each stage. The data were collected in collaboration with an accounting teacher organization, comprising the Accounting Subject Teacher Deliberation (MGMP) in Central Java through a questionnaire. Data analysis was divided into several steps including face validity and content validity, inter-item correlation matrix, and exploratory factor analysis. The results showed that 23 question items encompassed five components of accounting teacher professional identity; Cultural Knowledge (pedagogical cultural identity), Blending (accommodating students' purposes for school in the learning objectives), Identity Experiencing (by the experience of working life in the past, present, and individual expectations in the future in accounting work setting), Inter-Personal Skill, and Active in Professional Communities. The scale development requires continuous development tailing various new findings in the teacher professional identity and accountant professional identity.
Synthesis and Evaluation of Novel 4-Hydroxycoumarin Derivatives as Potential Anti-Microbial Agents
Authors: Yadav Sonia , Kumar Nitin
Published: November 2021

Coumarins are well known for their significant biological potential against several onsets. A series of novel 4-hydroxycoumarin substituted derivatives were synthesized and screened for their antimicrobial activity against Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Pseudomonas aeureginosa bacterial strains. The zone inhibition was observed against 10 µL against different for each compound. The outcomes of the study showed that out of 10 synthesized compounds, compound 4a, 4b, 4h, and 4j showed most significant inhibitory potential against different microbial strains. The zone of inhibition for compound 4a and 4b was found as 6.36 ± 0.162, 5.60 ± 0.049, 3.61 ± 0.176, 5.64 ± 0.021 and 7.29 ± 0.339, 5.53 ± 0.459, 3.35 ± 0.226, 5.55 ± 0.042 mm while compound 4h and 4j exhibited 7.10 ± 0.544, 5.11 ± 0.183, 3.95 ± 0.226, 4.94 ± 0.494 and 6.46 ± 1.725, 4.53 ± 0.261, 3.83 ± 0.791, 5.40 ± 0.049 mm, respectively.
Indicator Made from Countryside Flower Petals
Authors: Hazra Ashoke
Published: November 2021

Present research introduces on the natural indicator (Acid-Base). For this samples were collected from countryside flower petals. These are pink Madhabilata flower, violet Dahlia flower, yellowish red Miralibis Jalapa, light pink Nerium Oleander. With the help of pH meter colour changes were observed using Soxhlet extractor. Cold extract of the flower petals are prepared. For this study we use UV/Visible Spectrophotometer to determine the maximum wave length. The decreasing order of intercept from the above spectroscopic plots that pink Madhabilata> violet Dahlia>redish yellow Miralibis Jalapa> light pink Nerium Oleander. Natural indicators show prominent colour changes in acidic and basic solutions. So, it is easily replaceable to the synthetic indicator which is toxic in nature. These natural indicators are easily available, cheap, environment friendly and also nature friendly.
The seroprevalence of SARS-CoV-2 during the first wave in Europe 2020: A systematic review
Authors: Vaselli Natasha Marcella , Hungerford Daniel , Shenton Ben , Khashkhusha Arwa , Cunliffe Nigel A. , French Neil
Published: November 2021

Background

A year following the onset of the COVID-19 pandemic, new infections and deaths continue to increase in Europe. Serological studies, through providing evidence of past infection, can aid understanding of the population dynamics of SARS-CoV-2 infection.

Objectives

This systematic review of SARS-CoV-2 seroprevalence studies in Europe was undertaken to inform public health strategies including vaccination, that aim to accelerate population immunity.

Methods

We searched the databases Web of Science, MEDLINE, EMBASE, SCOPUS, Cochrane Database of Systematic Reviews and grey literature sources for studies reporting seroprevalence of SARS-CoV-2 antibodies in Europe published between 01/12/2019–30/09/20. We provide a narrative synthesis of included studies. Studies were categorized into subgroups including healthcare workers (HCWs), community, outbreaks, pregnancy and children/school. Due to heterogeneity in other subgroups, we only performed a random effects meta-analysis of the seroprevalence amongst HCWs stratified by their country.

Results

115 studies were included spanning 17 European countries, that estimated the seroprevalence of SARS-CoV-2 from samples obtained between November 2019 –August 2020. A total of 54/115 studies included HCWs with a reported seroprevalence among HCWs ranging from 0.7% to 45.3%, which did not differ significantly by country. In community studies significant heterogeneity was reported in the seroprevalence between different age groups and the majority of studies reported there was no significant difference by gender.

Conclusion

This review demonstrates a wide heterogeneity in reported seroprevalence of SARS-CoV-2 antibodies between populations. Continued evaluation of seroprevalence is required to understand the impact of public health measures and inform interventions including vaccination programmes.
Predictive factors of in-hospital mortality in patients with laboratory-confirmed Escherichia coli, Klebsiella species or Pseudomonas aeruginosa bloodstream infections
Authors: Mitchell Eleanor , Pearce Mark , Roberts Anthony , Newton Julia
Published: November 2021

Gram-negative bloodstream infections (GNBSI) are confirmed by the presence of gram-negative bacteria in the bloodstream and pose a significant healthcare issue as they increase the risk of sepsis and mortality. In England, the aim is to reduce GNBSI cases and further deterioration through enhanced population surveillance of patients with a laboratory-confirmed GNBSI to inform on healthcare policies. The objective of this study was to evaluate the factors associated with in-hospital mortality in patients with a laboratory-confirmed Escherichia coli, Klebsiella or Pseudomonas aeruginosa GNBSIs, with data obtained from the enhanced data capture for the surveillance of GNBSIs. All patients with a laboratory-confirmed GNBSI at a single centre, admitted between April 2017 and March 2019, were included in this retrospective observational study. Demographic and recent exposure to healthcare risk factors were collected and assessed for the association with in-hospital mortality. In 1113 patients with laboratory-confirmed GNBSIs, the in-hospital mortality rate was 13%. Multivariable analysis confirmed that patients with respiratory (OR = 3.73, 95%CI = 2.05–6.76), gastrointestinal (2.61; 1.22–5.58) or skin (3.61; 1.24–10.54) infection primary focus had a greater risk of in-hospital mortality, compared to upper urinary tract infections. Increased risk of in-hospital mortality was also observed in patients with hospital-onset GNBSIs (OR = 1.87; 1.17–2.97) compared with community-onset healthcare acquired GNBSIs, or who were on dialysis at the time of the GNBSI (3.28; 1.01–10.14), as well as in patients who had recently been discharged from hospital (1.55; 1.01–2.38), or had a vascular device recently manipulated (2.41; 1.01–5.74). Results confirm that the data obtained from the enhanced data capture for GNBSIs in England can predict in-hospital mortality in patients with a GNBSI. Several factors associated with an increased risk of in-hospital mortality have been identified. Results should be reported back to clinicians in order to identify patients at a greater risk of dying in-hospital who may benefit from further monitoring.
EFEITOS MEDIADORES DO CAPITAL PSICOLÓGICO E DA SÍNDROME DE BURNOUT NA RELAÇÃO ENTRE PARTICIPAÇÃO ORÇAMENTÁRIA E DESEMPENHO GERENCIAL
Authors: Schlup Daiani , Beck Franciele , Zonatto Vinícius Costa da Silva
Published: October 2021

Objetivo: Este estudo objetivou avaliar os efeitos mediadores do Capital Psicológico e da Síndrome de Burnout na relação entre Participação Orçamentária e o Desempenho Gerencial. Método: Desenvolveu-se uma pesquisa descritiva, de levantamento, com abordagem quantitativa dos dados. A amostra analisada corresponde a 203 gestores com responsabilidade orçamentária das maiores empresas do Brasil, ocupando cargos de controllers, gerentes de controladoria e gestores de custos. A análise de dados foi realizada por meio de estatística descritiva, análise fatorial, modelagem de equações estruturais, assim como uma análise adicional por meio de regressão linear.Resultados: Os resultados encontrados evidenciam que em ambientes com uma maior participação orçamentária, os indivíduos tendem a desenvolver melhor o seu capital psicológico, tornando-se mais otimistas, esperançosos, resilientes e auto eficazes, atenuando os efeitos negativos da síndrome de burnout e consequentemente, alavancando o seu desempenho gerencial. Quanto a comparação de respostas dos gestores que ocupavam cargos de controladoria ou de custos, a única diferença significativa foi a síndrome de burnout, o que pode indicar que em cargos mais altos, como de controllers, os gestores tendem a ser mais flexíveis ao se deparar com uma falha no controle orçamentário, e podem sofrer menos com os efeitos negativos do ambiente de trabalho.Contribuições: Assim, contribui-se de modo geral, demonstrando a influência da participação orçamentária nas cognições e no desempenho dos indivíduos nas organizações, bem como os papéis informativos do orçamento e a influência da configuração orçamentária adotada pelas empresas no comportamento humano no trabalho.
IMPACTO DO ENFORCEMENT LEGAL E DA GOVERNANÇA CORPORATIVA NO DESEMPENHO EMPRESARIAL
Authors: De Luca Vanessa Mendes , Góis Alan Diógenes , De Luca Márcia Martins Mendes , Medeiros Jislene Trindade
Published: October 2021

Objetivo: Analisar a relação entre o enforcement legal e a governança corporativa. Adicionalmente, analisa-se o efeito da governança corporativa e do enforcement legal no desempenho empresarial.
Método: A amostra é composta por 4.447 empresas de capital aberto (24.025 observações) de 61 países, cujos dados, referentes ao período de 2010 a 2018, estão registrados na Thomson Reuters Eikon e no World Bank. Além da estatística descritiva e da análise de correlação, fez-se uso da técnica de regressão com dados em painel para analisar o efeito da governança corporativa e do enforcement legal no desempenho empresarial.
Resultados/Discussão: Os resultados mostraram que há uma relação positiva entre governança corporativa e desempenho empresarial e é maior em países de maior enforcement legal, indicando que as empresas sediadas em países de forte enforcement legal adotam melhores práticas de governança corporativa; e que aspectos de governança corporativa e nacional são relevantes para um melhor desempenho das empresas. 
Contribuições: O artigo contribui com a literatura ao considerar a relevância do tema enforcement legal para a governança corporativa trazendo evidências de que ao adotar estratégias para melhorar a governança corporativa, os gestores e formuladores de políticas devem considerar o impacto do enforcement legal, visto que a adoção de um mecanismo de governança pode não ter efetividade em um ambiente onde a observância da legislação é considerada fraca.
Responder a Dios en tiempos de ateísmo
Authors: Bueno Guinamard Alexis
Published: November 2021

El artículo presenta el pensamiento teológico y espiritual de José Cobo Cucurull (centrándose en Incapaces de Dios: contra la divinidad oceánica, Fragmenta, 2019). Una reflexión que se abre camino tomando distancia de tres líneas teológicas y pastorales: 1) la conservadora, que repite unas fórmulas de la tradición que se han vuelto incomprensibles para nuestros contemporáneos; 2) el reduccionismo ético, en el que Dios puede quedar limitado a un motivo entre otros para hacer el bien; 3) el reduccionismo transconfesional, en el que la esencia del cristianismo puede quedar confundida con el fondo común de las religiones.
Estudio fitoquímico y evaluación de la capacidad antioxidante de flores de Senna spectabilis obtenidas en la región andina colombiana
Authors: Matulevich-Pelaez Javier-Andres , Castrillon-Cardona William-Fernando , Rodriguez-Renuma Laura-Marcela , Medina-Doncel Juan-Pablo
Published: November 2021

El presente trabajo muestra los resultados del estudio fitoquímico de las flores de Senna spectabilis y la evaluación de su capacidad antioxidante, para esto se recolectó el material vegetal en el municipio de Guaduas (Cundinamarca) y se identificó a través del Herbario Nacional Colombiano con el número de colección COL 600165; tras procesos de extracción por maceración en frío se obtuvieron 100 g de extracto etanólico, el cual fue fraccionado con solventes de polaridad creciente, obteniéndose fracciones de heptano, diclorometano y acetato de etilo, estas fueron sometidas a procesos de separación por cromatografía en capa fina (CCF) y cromatografía en columna (CC), la identificación tentativa de las mezclas obtenidas y los compuestos aislados se llevó a cabo mediante cromatografía de gases acoplada a espectrometría de masas (CG-EM), permitiendo identificar tres mezclas conformadas por compuestos tipo éster, cetona, antraquinona, monoterpenoide y un derivado del ácido cinámico, y los compuestos cinamato de metilo y cafeína. Se estudió la capacidad antioxidante de las fracciones obtenidas y el extracto etanólico por el método DPPH, además se realizó la medición de fenoles totales y la cuantificación de flavonoides. Los resultados indican que la fracción de diclorometano exhibió un porcentaje de inhibición superior a 30 % y que la mayor concentración de fenoles y flavonoides se encuentra en esta misma fracción. De esta manera, el trabajo dio un aporte químico (aislamiento de cinamato de metilo y cafeína, y tres mezclas) y un aporte biológico, tras identificar a la fracción de diclorometano obtenida de las flores de la especie como la que mayor cantidad de sustancias con capacidad antioxidante tiene respecto a otras fracciones y otros extractos.
The Relationship between Motivational Factors and Job Satisfaction in Royal Malaysian Navy (RMN) Headquarters
Authors: Malik Ikmal Bin Abd
Published: November 2021

The purpose of this study is to explore and evaluate the relationship between motivation factors (MF) and job satisfaction (JS) in the Royal Malaysian Navy (RMN) personnel. There are among the 250 personnel who are serving at Royal Malaysian Navy Head Quarters (RMN HQ), and questionnaires have been distributed to them for data gathering. The study adopted the Herzberg’s Motivation-Hygiene Theory (1959) as a framework in determining the relationship between MFs and JS among the personnel. To simplify, when an individual has a high level of MFs, which in this study refers to the opportunity for personal growth, promotion opportunity, responsibility, recognition and achievement, the level of satisfaction in doing his/her job is also increased. While for JS refers to workers' who are happy with their job, despite any kind of job, with or without supervision the workers will do their best in doing their work. JS can be measured in cognitive, affective, and behavioural components. Having JS will make an individual more positive and motivated to work independently. SPSS version 22 is used for the analysis of data. The outcomes indicated that there are significant relationships between MFs towards JS among RMN personnel.
GPU based Image Compression with Scaling-Hard-Threshold Using HWT (Haar-Wavelet-Transform) + RL (Run-Length) Pair Encoding
Authors: Aljader Huda Khurshed Shawkat
Published: November 2021

In 5G MASSIVE MIMO the main problem for better video communication is of transmission bandwidth issues which in turn reflects in video conferencing, Mobile-learning, gaming, graphics applications etc. However, in regard to a versatile framework i.e. a computerized camera with web and correspondence office, at that point the transmission capacity for correspondence and additionally stockpiling are of genuine concern. Tremendous valuable data must be put away and recovered proficiently for down to earth purposes. This is the novel methodology that scaling technique has proposed for 2D Haar wavelet transform based compression of picture utilizing parameter CR- ratio of Compression with PSNR improvement, with maintaining picture quality, less bandwidth usage with better compression ratio which increase by increasing speed with the help of NVIDIA GPU.
Better Accounting Management in Real Estate Firms with Digital Transformation and Software - A Case in Vietnam
Authors: Hanh Hoang Thanh , Huy Dinh Tran Ngoc
Published: November 2021

In the context of industry 4.0 with digital transformation, We aim to analyze and estimate effects of internal components of firm such as cost of good sold (COGS), sale cost and admin cost on firm accounting net profit, for the case of Vingroup in real estate industry in Vietnam. This paper also analyze Vingroup accounting net profit under effects from Digital transformation and Internet of things (IoTs) in industry 4.0. In reality, computer skills and models allow us to build a OLS regression equation to estimate accounting net profit under impacts from internal factors of the real estate firm, Vingroup. Digital transformation and computer research models allow scientists to build a OLS regression model with Eview software to estimate effects of above cost and revenue factors on Vingroup accounting net profit. This study mainly use combination of quantitative methods (statistics, calculation formulas) and qualitative methods including synthesis, inductive and explanatory methods. The research findings tell us that administrative expense and sale cost has positive correlation with accounting net profit, supported by OLS regression. Besides, this study also give out recommendations for enhancing financial accounting policies of Vingroup in Vietnam real estate sector and implications for socio-economic policies.
The Role of Marketing Mix on Parents' Decisions to Choose a Junior High School Boarding School through Word of Mouth
Authors: Hidayat Nur
Published: November 2021

The most important factor in human life is education. Education is one of the learning media to form characters that are influenced by human life, both personal and social. This research was conducted to determine and analyze the influence of the Word of Mouth and Marketing Mix on the decision of parents to choose a boarding school and to determine and analyze the role of Word of Mouth in mediating the influence of the Marketing Mix on the decision of parents to choose a school. This research belongs to the type of explanatory research, meaning research that explains the relationship between variables that test the hypothesis. The total population in this study consisted of 125 guardians of students. Determination of the sample using the census method where the total population is then used as a sample in this study. Data analysis techniques are part of a process with the stages of collecting research data. The author uses the technique statistical least Square (PLS). The results of this data analysis state that the Marketing Mix has a positive and significant effect on Word of Mouth. Word of Mouth and Marketing Mix have a positive and significant effect on the decision of parents to choose a school of junior high school boarding. And marketing indirectly has a significant effect on the decision of parents to choose junior high School Boarding in Tanggulangin Sidoarjo, Indonesia.
CRITICAL EXAMINATION ON THE MECHANISM OF APPLICATION SUBMISSION FOR LEGAL ASSISTANCE BUDGETING IN INDUSTRIAL RELATION DISPUTES
Authors: Handias Agisa Tri , Sa'adah Nabitatus
Published: October 2021

Imbalances and difficulties when workers experience industrial disputes bring out possibility of defeat in the trial. So the Government has an obligation to fight for justice by providing the budget for legal aid derived from the state budget and allocated to the budget of the Ministry of Law and Human rights. The research method used is normative, which is research that sees the effectiveness of prevailing laws. The results showed that the provision of legal aid budgets hasn’t been able to run optimally because government hasn’t provided a forum for applying legal aid budgets to legal remedies of cassation in Industrial disputes.
Au Nanoparticles Effect on Inverted ZnO Nanorods/Organic Hybrid Solar Cell Performance
Authors: Phuong Pham Hoai , Lee Kang Jea , Hoa Huynh Tran My , Nguyen Hoang Hung , Tran Quang Trung , Yen Nguyen Thi Hai , Cuong Tran Viet
Published: November 2021

The sun provides a plentiful and inexpensive source of carbon-neutral energy that has yet to be fully utilized. This is a major driving force behind the development of organic photovoltaic (OPV) materials and devices, which are expected to offer benefits such as low cost, flexibility, and widespread availability. For the photovoltaic performance enhancement of the inverted ZnO-nanorods (NR)/organic hybrid solar cells with poly(3-exylthiophene):(6,6)-phenyl-C61-butyric-acid-methylester (P3HT:PCBM) and poly (3,4-ethylenedioxythiophene):poly (styrenesulfonate) (PEDOT:PSS) active layers, gold nanoparticles (Au-NPs) were introduced into the interface between indium-thin-oxide cathode layer and ZnO cathode buffer layer, and the efficiency improvement was observed. It's worth noting that adding Au NPs had both a positive and negative impact on device performance. Au NPs were shown to be advantageous to localized surface plasmon resonance (LSPs) in the coupling of dispersed light from ZnO NRs in order to extend the light's path length in the absorbing medium. Although the light absorption in the active layer could be enhanced, Au NPs might also act as recombination centers within the active layer. To avoid this adverse effect, Au NPs are covered by the ZnO seeded layer to prevent Au NPs from direct contact with the active layer. The dominant surface plasmonic effect of Au NPs increased the photoelectric conversion efficiency from 2.4% to 3.8%.
Karol Mausch, Ewa Ryś (red.), Troska. Między teorią a praktyką, Gorzów Wielkopolski 2021
Authors: Modrzewski Jerzy
Published: November 2021

Karol Mausch, Ewa Ryś (red.), Troska. Między teorią a praktyką, Gorzów Wielkopolski 2021
Increased hepcidin levels and non-alcoholic fatty liver disease in obese prepubertal children: a further piece to the complex puzzle of metabolic derangements
Authors: Giannini Cosimo , Polidori Nella , Saltarelli Maria Alessandra , Chiarelli Francesco , Basilico Raffaella , Mohn Angelika
Published: November 2021

Introduction

Several studies on obese youths and adults have reported increased hepcidin levels, which seems to be related to metabolic and iron metabolism alterations. The complete mechanisms involved in hepcidin increase remain to be elucidated, and particularly its role in the development of other known complications such as Nonalcoholic Fatty Liver Disease (NAFLD). NAFLD in prepubertal children might be of special interest in understanding the underlying mechanisms.

Methods

Anthropometric measurements, liver ultrasonography, lipid profile, liver function, oxidative stress, inflammatory state, and iron metabolism were studied in 42 obese prepubertal children and 33 healthy controls. We, therefore, evaluated the presence of possible correlations between Hepcidin and the other metabolic variables, and the possible association between NAFLD and iron metabolism.

Results

Hepcidin levels were significantly increased in the obese prepubertal children (p=0.001) with significant differences between obese children with and without NAFLD (p=0.01). Blood iron was lower in obese children (p=0.009). In the obese group, a negative correlation between hepcidin and both blood iron levels (p=0.01) and LagPHASE (p=0.02) was found. In addition, a positive association between hepcidin and NAFLD (p=0.03) was detected.

Conclusions

We suggest that an increase in hepcidin levels may represent an early step in iron metabolism derangements and metabolic alterations, including NAFLD, in prepubertal obese children.
Właściwości probiotyczne i prebiotyczne miodów pszczelich w aspekcie ich jakości i bezpieczeństwa zdrowotnego
Authors: Rosiak Elżbieta , Jaworska Danuta
Published: October 2021

Celem pracy był przegląd dostępnej literatury w zakresie właściwości zdrowotnych w tym probiotycznych i prebiotycznych miodów pszczelich. Miód jest jednym z najbardziej zróżnicowanych produktów pod względem składu chemicznego, obejmującym naturalne substancje bioaktywne a także substancje bakteriostatyczne lub antybiotykowe. Odmiany miodu różną się między sobą aktywnością i właściwościami przeciwbakteryjnymi, a miód manuka cechuje się najsilniejszymi właściwościami w tym zakresie. Obecność bakterii kwasu mlekowego w miodzie ma również działanie przeciwbakteryjne. Produktami ich metabolizmu są bakteriocyny i kwasy organiczne w wyniku homo- i heterofermentacji. Mikroflora miodu różni się w zależności od stadium dojrzałości miodu. Miody dojrzewające cechują się głównie obecnością bakterii tlenowych, a grzyby pleśniowe występują w mniejszych ilościach. W dojrzałych miodach najczęściej występują grzyby pleśniowe. Na podstawie obecnego stanu wiedzy można powiedzieć także, że związki fenolowe zawarte w miodzie mają właściwości przeciwutleniające. Oprócz niewątpliwych zalet miodu, należy pamiętać o możliwości zanieczyszczenia miodu zarodnikami Clostridium botulinum.
Porównanie aktywności antagonistycznej wykazywanej przez szczepy bakterii fermentacji mlekowej wyizolowane z różnych rodzajów żywności tradycyjnej
Authors: Ołdak Aleksandra , Zielińska Dorota , Kołożyn-Krajewska Danuta
Published: October 2021

Celem pracy była statystyczna analiza związków pomiędzy źródłem izolacji 66 szczepów bakterii fermentacji mlekowej (LAB), ich przynależnością filogenetyczną do określonego rodzaju i gatunku a wykazywanymi właściwościami przeciwdrobnoustrojowymi w stosunku do bakterii Listeria monocytogenes, Salmonella enteritidis i Escherichia coli. Analizę przeprowadzono na podstawie danych zebranych w trakcie badań w latach 2014 - 2019, prowadzonych w Zakładzie Higieny i Zarządzania Jakością Żywności Katedry Technologii Gastronomicznej i Higieny Żywności Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Zebrane dane obejmowały średnice stref zahamowania wzrostu drobnoustrojów wskaźnikowych obserwowane w metodzie dyfuzyjnej studzienkowej, w której jako czynnik hamujący wykorzystywano pełne hodowle LAB (WBC), bezkomórkowy płyn pohodowlany (CFS) oraz zneutralizowany, traktowany katalazą, płyn pohodowlany (CFN). Spośród analizowanych szczepów LAB najwyższą aktywność przeciwdrobnoustrojową wykazywały szczepy gatunku Lactobacillus plantarum, a najniższą – Lb. fermentum. Szczepy wyizolowane z serów regionalnych (a szczególnie z oscypka) charakteryzowały się największym antagonizmem w stosunku do L. monocytogenes, zjawisko to występowało zarówno w WBC, CFS, jak i CFN. Wykazano, że badane szczepy LAB charakteryzują się zróżnicowanymi właściwościami przeciwdrobnoustrojowymi, przy czym zróżnicowanie to jest zależne od takich czynników, jak źródło izolacji oraz przynależność filogenetyczna.
Wpływ alg Chlorella vulgaris na przeżywalność bakterii Lactobacillus brevis w obecności wysokich stężeń chlorku sodu
Authors: Ścieszka Sylwia , Klewicka Elżbieta , Żyżelewicz Dorota
Published: October 2021

Połączenie alg z produktami fermentowanymi bogatymi w bakterie fermentacji mlekowej przynosi wiele korzyści zdrowotnych oraz pozwala na utworzenie nowego segmentu żywności fermentowanej. Jedną z efektywnych metod utrwalania żywności jest stosowanie procesu odwodnienia osmotycznego polegającego na dodaniu substancji (np. chlorku sodu) obniżającej aktywność wody w produkcie. Celem pracy było określenie wpływu Chlorella vulgaris na przeżywalność bakterii Lactobacillus brevis w niekorzystnych warunkach środowiskowych (duże stężenia chlorku sodu) metodą płytkową oraz turbidymetryczną. Zawartość 5 i 10 % chlorku sodu w środowisku wzrostowym bakterii obniżyła statystycznie istotnie liczbę badanych bakterii fermentacji mlekowej. Jednakże dodatek alg Chlorella vulgaris zabezpieczył badane szczepy Lactobacillus brevis przed obumieraniem. Ponadto w przypadku szczepów Lactobacillus brevis ŁOCK 0944 oraz ŁOCK 0992 nie zaobserwowano różnic statystycznie istotnych pomiędzy próbą kontrolną z bakteriami i Chlorella vulgaris a próbą badaną z bakteriami, algami oraz dodatkiem 10 % chlorku sodu w 48 godzinie inkubacji. Zatem wprowadzenie alg do środowiska wzrostowego bakterii fermentacji mlekowej zredukowało niekorzystne działanie chlorku sodu o stężeniu 10 %. Stwierdzono, że przeżywalność wszystkich badanych szczepów Lactobacillus brevis hodowanych w obecności Chlorella vulgaris po 48-godzinnej inkubacji była wyższa w środowisku o stężeniu 10 % chlorku sodu niż w obecności 5 %. Za pomocą skaningowej mikroskopii elektronowej (SEM) stwierdzono, że prawdopodobnie spowodowane to było uwolnieniem dodatkowej treści komórek alg.
Zastosowanie naparu herbacianego kombucha i kultury symbiotycznej SCOBY do produkcji fermentowanego napoju mlecznego
Authors: Kruk Marcin , Wójcik Tomasz , Trząskowska Monika
Published: October 2021

Do produkcji mlecznych napojów fermentowanych można wykorzystać inne kultury mikroorganizmów niż stosowane tradycyjnie. Zdolnością fermentacji mlekowej charakteryzuje się na przykład symbiotyczna kultura bakterii i drożdży SCOBY (ang. Symbiotic Culture of Bacteria and Yeast) używana do produkcji napoju herbacianego Kombucha. Celem pracy była ocena możliwości zastosowania naparu herbacianego Kombucha i symbiotycznej kultury SCOBY do produkcji mlecznych napojów fermentowanych na bazie mleka tradycyjnego oraz mleka bez laktozy. Na podstawie badań własnych opracowano recepturę, a także parametry fermentacji mlecznych napojów fermentowanych. W przeprowadzonych badaniach zdolności adaptacji symbiotycznej wykazano, że mikroorganizmy bytujące w kulturze SCOBY wykazują zdolność do wzrostu i aktywności metabolicznej w środowisku mleka tradycyjnego oraz mleka bez laktozy. Dynamika wzrostu typowych grup mikroorganizmów była uzależniona od pasażu SCOBY. W kolejnym pasażu bakterie fermentacji mlekowej i octowej osiągnęły liczbę ok. 8 log jtk/cm3 wcześniej niż w pierwszym pasażu. Jakość mikrobiologiczna wytworzonych napojów była bardzo dobra i charakterystyczna dla mlecznych napojów fermentowanych. Jakość sensoryczna określona została przy użyciu metod konsumenckich. Badane produkty charakteryzowały się umiarkowaną akceptowalnością sensoryczną. Opracowana receptura oraz warunki fermentacji mlecznych napojów na bazie symbiotycznej kultury SCOBY oraz naparu herbacianego Kombucha wymagają optymalizacji w celu uzyskania bardziej pożądanych cech sensorycznych produktu.
Wpływ wybranych szczepów bakterii kwasu mlekowego na przydatność technologiczną i jakość mikrobiologiczną mięsa drobiowego oddzielonego mechanicznie
Authors: Łaszkiewicz Beata , Szymański Piotr , Kołożyn-Krajewska Danuta
Published: October 2021

Celem pracy była ocena wpływu wybranych szczepów bakterii kwasu mlekowego na przydatność technologiczną i trwałość mikrobiologiczną mięsa drobiowego oddzielonego mechanicznie (MDOM). Materiał doświadczalny stanowiło mięso drobiowe MDOM, do którego dodano trzy szczepy bakterii kwasu mlekowego na poziomie 107 jtk/g – Lactobacillus plantarum SCH1 i Lactobacillus brevis KL5 wyizolowane z surowych wędlin dojrzewających oraz Lactobacillus plantarum S21 wyizolowany z serwatki kwasowej. Wariant kontrolny nie zawierał dodatku bakterii. Farsze z MDOM przechowywano w warunkach chłodniczych i badano po 1, 4 i 7 dniach przechowywania. Zakres badań obejmował oznaczenie: ogólnej liczby drobnoustrojów, liczby mezofilnych bakterii fermentacji mlekowej, liczby Escherichia coli, liczby Enterobacteriaceae, obecności Salmonella spp., obecności Campylobacter spp. i liczby gronkowców koagulazododatnich oraz oznaczenie cech fizykochemicznych, tj. pH i potencjału oksydacyjno-redukcyjnego, zawartości azotanów (III) i (V) oraz ocenę barwy w systemie CIE L*a*b*. Zastosowanie szczepów bakterii kwasu mlekowego w farszach z mięsa drobiowego oddzielonego mechanicznie nie wpłynęło negatywnie na ich przydatność technologiczną. Zaobserwowano pozytywny wpływ Lactobacillus brevis KL5 na kształtowanie barwy surowych farszów z MDOM. Wykazano hamujący wpływ Lactobacillus plantarum SCH1 na bakterie Escherichia coli oraz Enterobacteriaceae w surowych farszach z MDOM po 4 dniach chłodniczego przechowywania. Przeprowadzone badania umożliwiają stwierdzenie, że wybrane szczepy LAB wyizolowane z produktów pochodzenia zwierzęcego wpływają hamująco na wzrost drobnoustrojów w MDOM.
Definiowanie strat i marnotrawstwa żywości
Authors: Niedek Mikołaj , Łaba Sylwia , Kamińska-Dwórznicka Anna , Krajewski Karol , Szczepański Krystian
Published: October 2021

W artykule dokonano przeglądu i porównania wybranych definicji związanych z problematyką strat i marnotrawstwa żywności, sformułowanych przez reprezentatywne instytucje i organizacje na poziomie globalnym i europejskim. Normatywną zasadą nakazującą przeciwdziałanie stratom i marnotrawstwu żywności jest zasada trwałego i zrównoważonego rozwoju, której cel 12.3 wyznaczony przez ONZ nakazuje zmniejszenie ich o połowę do roku 2030. W artykule skupiono się na definicjach takich terminów, jak: żywność, straty oraz marnotrawstwo żywności, ale również: ubytki naturalne, produkty uboczne i odpady żywnościowe, wypracowanych w ramach projektów FLW Standard i FUSIONS. Z przeanalizowanych i przytoczonych stanowisk wynika, że terminy te mogą być różnie rozumiane i definiowane, w zależności od potrzeb, celów i obszaru stosowania danej definicji. Widoczne są rozbieżności w ustalaniu punktu początkowego pomiaru strat i marnotrawstwa. W ujęciu globalnym powinny być one uwzględniane również na etapie przed zbiorami żywności, natomiast w ujęciu europejskim mogą być liczone dopiero na etapie po zbiorach, od kiedy rozpoczyna się łańcuch rolno-żywnościowy. Odmienne ujęcie dotyczy również produktów ubocznych, które według FAO należy traktować jako stratę i marnotrawstwo żywności, zaś według definicji przyjętej w dyrektywie UE nie są one ani stratą, ani odpadem żywnościowym. Od definicji kluczowych terminów i kategorii związanych z problematyką strat i marnotrawstwa żywności zależy przedmiot i zakres ich pomiaru. Kwestie te powinny być uwzględniane w metodach badawczych pomiaru i monitorowania strat i marnotrawstwa, w tym odpadów żywności. Wytyczne w tym zakresie na poziomie UE zostały przyjęte w decyzji delegowanej KE w odniesieniu do wspólnej metody i minimalnych wymagań jakościowych jednolitego pomiaru poziomów odpadów żywności w maju 2019 r.
Technological properties of Lactobacillus rhamnosus K3 isolated from fermented cabbage and its potential use as starter culture for fermented food products
Authors: Łepecka Anna , Zielińska Dorota , Brejnak Monika , Ołdak Aleksandra , Kołożyn-Krajewska Danuta
Published: October 2021

The objective of the research study was to specify technological properties of the Lactobacillus rhamnosus K3 strain. This bacterial strain was tested for its ability to grow under the processing conditions, such as temperature [ºC]: 10, 15, 45, pH value: 3.9, 6.4, 9.6, and a high NaCl concentration [%]: 5, 8, 10. Biochemical tests (sugar fermentation and enzyme activity) were carried out and the survival of those bacteria was assayed in the medium depending on the type of food (milk, tomato juice, and beef broth). Milk fermented with Lb. rhamnosus K3 was subjected to 6-week incubation. The results showed that the Lb. rhamnosus K3 strain was able to grow at different temperatures but within a narrow pH range. The bacterial strain did not tolerate high NaCl concentrations, however it grew well in any kind of food medium. A particularly good bacterial growth was observed in milk. Lb. rhamnosus K3 was able to metabolize sugars. This strain did not reduce nitrates; no catalase activity was detected either. The β-galactosidase enzyme was identified. The best temperature of milk fermentation was proved to be 37 ºC. It was also found that Lb. rhamnosus K3 had functional properties allowing its use as a starter culture for milk. The number of bacterial cells remained at a level higher than 8 log CFU/ml throughout the entire 6-week incubation of refrigeration storage (4 ºC). The bacteria of Lactobacillus rhamnosus K3 were capable of fermenting milk confirming their suitability as a starter culture for milk products.
Quality evaluation of cinnamon marketed in Poland on the basis of determining ratio of cinnamaldehyde-to-coumarin content
Authors: Sowa Patrycja , Tarapatskyy Maria , Puchalski Czesław , Dżugan Małgorzata
Published: October 2021

There are mainly two varieties of cinnamon available on the European market – Ceylon and Cassia cinnamon. Cassia cinnamon differs from Ceylon cinnamon in the taste, smell, appearance and, most of all, in the content of coumarin. Cassia cinnamon contains up to 10.6 % of this compound, whereas Ceylon cinnamon contains only trace amounts thereof. The objective of the research study was to assess the quality of cinnamon marketed in Poland using HPLC method. There were analysed twenty-six commercial samples in the form of powder (n = 19), sticks (n = 6) and bark (n = 1) in order to determine the contents of coumarin and cinnamaldehyde therein. Among them 73 % had no information of their botanical origin shown on their labels (they were marked with the “unknown origin” indication). The samples labelled as Cinnamomum verum (n = 6) or Cinnamomum cassia (n = 1) were used as reference samples. The samples of unknown origin were characterised by the highest content of coumarin (2.3 ÷ 7.7 mg/g) and the C. verum and C. cassia samples by the lowest content thereof (up to 0.08 mg/g). The cinnamaldehyde content was 38.7 mg/g – C. cassia, 19 mg/g – species of unknown origin and 9 mg/g - C. verum. The cinnamaldehyde-to-coumarin content ratio was highly differentiated. In the case of the samples with unknown origin that ratio was below 10, and the reference samples were characterised by a ratio 157 ÷ 680. It was proved, that on the Polish market it was Cassia cinnamon, that was predominantly marketed as a low-cost spice with no producer’s declaration of its botanical origin.
On the nature of the sustainability of the process in time
Authors:   Kuban State Technological University, Trofimov Victor Maratovich
Published: October 2021

Introduction. Why do the ideas about time in ‘The Iliad’ and in the conditions of modern transmission speeds of large flows of information unexpectedly converge, and the key point is the study of the forms of stability of the process in time? What do we really mean by ingrained thinking and sustainable development, and how do they relate to the evolutionary nature of sustainable processes? The purpose of this paper is to present the form of a sustainable process, its constructive deployment in time by means of a natural science analysis. Materials and Methods. Based on the materials and methods of measuring time-varying quantities, as well as set-theoretic prerequisites for branching the process, it is proposed to look for natural scientific grounds for analyzing the sustainable development of trends in culture in general, in information processes and the education system, in particular. Here we will also try to take a well-known point of view (K. Lorentz, I. Prigozhin), when time, irreversibility, randomness in some constructive process relate to inanimate matter, to life, and to human. Results. Based on the analysis carried out by the author, the answer to the question of whether there are natural conditions for the sustainability of the object-process, in what aspect we can discuss the constructiveness of time, the evolutionary rooting of sustainable processes, branching points and the ‘stretching’ of a sustainable educational process into the future is presented. Conclusions. Our ideas about the processes in time and the conditions of their sustainability in the broadest cultural aspect, including the education system, need to be clarified. The constructive deployment of the process in time has its own structure that ensures the evolutionary rooting of the process and, in particular, the educational process.
The Effect of Flow Mind Map on Writing Accuracy and Learning Motivation at Islamic Higher Education
Authors: Sabarun Sabarun , Muslimah Aisyah H.S. , Muhanif Slamet , Elhawwa Tazkiyatunnafs
Published: November 2021

The investigation attempted to explore the influence of flow mind map on writing accuracy and learning motivation at Islamic Higher Education. There were two variables: flow mind map as a predictor variable; writing accuracy and learning motivation as the outcome variables. The study involved L2 participants at higher education in Kalimantan. The participants was 37 students, consisting of two groups: experiment class and control class. A main effect of one way Anova was used to measure an effect of flow mind map on learners’ writing score and learning motivation. The finding revealed that the value of writing accuracy at F (1,36) = 44.861, SS 3591.045, MS= 3591.045, p= 0.000; and the value of learning motivation at F (1,36) = 40.925, SS 2006.600, MS= 2006.600, p= 0.000. The significance value was below 0.050, meaning there was a statistically difference in the mean of using flow mind map on learners’ writing accuracy and learning motivation. It was recommended that language instructor motivate learners during the learning process. Due to the limited number of sample size, the further investigations with broader scope and larger sample size were needed to validate the research findings.
Inventing Voice of Identity through L2 Poetry Writing: A Construct of Mindfulness-Based Strategy in Remote Learning
Authors: Piscayanti Kadek Sonia , Yuliasri Issy
Published: November 2021

Voice of identity can be found in an expressive writing such as poetry writing. In l2 learning context, poetry is a medium to learn a new language in a creative way. Language is developed through mindfulness and creativity. As language develops, l2 learners make use of their sensitivity to language and create or produce the language that represents the voice of identity themselves. This article focuses on how l2 poetry writing can invent voice of identity in the l2 learners by using the construct of mindfulness-based strategy. In the pandemic context where offline education is not possible, mindfulness-based strategy is best implemented in l2 remote learning since it has four main principles in language learning such as finding novelty in learning, being sensitive to context, actively engaged in the present moment, and stimulate opennes and multiperspectives. By online learning, poetry is taught with mindfulness concepts and they are guided mindfully on how they become language learners creatively and effectively by writing their poetry about their life during the pandemic. The data collected are poetry and reflection diary and analyzed through the construct of poetry in mindfulness framework. The results indicated that poetry writing can represent voice of l2 learner’s identity; their new perspectives of the world, reflection and sensitivity to context, choices of life, present moment engagement, opennes and multiperspectives
Looking back on food studies in 2020-2021 in so-called Canada
Authors: Wilson Amanda , Bessey Meredith , Brady Jennifer , Classens Michael , Lee Kirsten , Levkoe Charles , Marshman Jennifer , Martens Tabitha , Ruder Sarah-Louise , Stephens Phoebe , Soma Tammara
Published: October 2021

In this collectively drafted Commentary, we offer some reflections on the past year for CAFS (Canadian Association for Food Stuides), and the state of food studies in general.

Note: this is a modified version of the 2021 CAFS Presidential Address, given at the joint CAFS/ASFS/AFHVS/SAFN Conference Just Food: Because it never it just Food on June 10th, 20201.
A new record of the rare fungus Hericium erinaceus (Russulales) in Ukraine
Authors:   Odesa I.I. Mechnikov National University, Tkachenko F.P. , Prydiuk M.P. ,   M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine
Published: October 2021

A new locality of the rare fungus Hericium erinaceus, the species to be included in the Red Data Book of Ukraine, is reported. The fungus was found in Odesa city, for the first time in the steppe zone of Ukraine. This species is an edible and biotechnologically valuable fungus. A description of the new locality and macro- and micromorphological characters of the found fruit bodies are provided. The information about its distribution in Ukraine and worldwide, as well as the original illustrations, are presented.