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aw foods

Michał Glądalski, Mirosława Bańbura, Adam Kaliński, Marcin Markowski, Joanna Skwarska, Jarosław Wawrzyniak, Piotr Zieliński, Jerzy Bańbura
Variation in ambient temperature affects various life stages of organisms. It has been suggested that climate change not only implies higher global temperatures but also more unpredictable weather and more frequent extreme weather events. Temperature has a major influence on the optimal laying-incubation-hatching dates of insectivorous passerines, because it poses energetic constraints and affects the timing of food abundance. We have been studying breeding characteristics of great tits Parus major and blue tits Cyanistes caeruleus in two areas, an urban parkland and a deciduous forest, around the city of Łódź since 2002...
April 17, 2018: International Journal of Biometeorology
Ewelina Jamróz, Lesław Juszczak, Mateusz Kucharek
Lavender essential oil (OEL) was added to starch, furcellaran and gelatin (S/F/G) films in concentrations of 2%, 4% and 6%. The films were examined in terms of physical properties (thickness, density, water solubility, water absorption and degree of swelling) and mechanical properties (tensile strength, elongation at break). The test results show that the film thickness increased upon addition of OEL. The solubility, water absorption and degree of swelling of the film decreased with increasing concentration of oils...
April 5, 2018: International Journal of Biological Macromolecules
Genaro C Miranda-de la Lama, Laura X Estévez-Moreno, Morris Villarroel, Adolfo A Rayas-Amor, Gustavo A María, Wilmer S Sepúlveda
The study aim was to identify consumer segmentation based on nonhuman animal welfare (AW) attitudes and their relationship with demographic features and willingness to pay (WTP) for welfare-friendly products (WFP) in Mexico. Personal interviews were conducted with 843 Mexican consumers who stated they purchased most of the animal products in their home. Respondents were selected using a quota sampling method with age, gender, education, and origin as quota control variables. The multivariate analysis suggested there were three clusters or consumer profiles labeled "skeptical," "concerned," and "ethical," which helped explain the association between AW attitudes, some demographic variables, and WTP for WFP...
April 3, 2018: Journal of Applied Animal Welfare Science: JAAWS
Adrian Łukowski, Robert Popek, Radosław Jagiełło, Ewa Mąderek, Piotr Karolewski
Woody plants growing along streets and construction sites play an important role in removing harmful particulate matter (PM). Researchers rarely consider the impact of different types and size fractions of PM deposited on the leaves on insect folivores. We determined differences in the accumulation of cement and roadside PM on the leaves of two Prunus species (P. padus and P. serotina) with different leaf surface structures. We also determined the effect of PM on the beetle Gonioctena quinquepunctata, the main pest of these plants...
March 30, 2018: Environmental Science and Pollution Research International
Filip Raciborski, Anna Kłak, Magdalena Czarnecka-Operacz, Dorota Jenerowicz, Adam Sybilski, Piotr Kuna, Bolesław Samoliński, Eup Wg
Introduction: The prevalence of urticaria is 15-20%. Women are twice as likely to be affected. Aim: To present the epidemiology of urticaria and angioedema in Poland. Material and methods: A questionnaire-based survey was conducted on a representative group of 4,897 individuals, aged 15-74 years. Results: A total of 11.2% of respondents reported at least one episode of urticaria symptoms in their life, and the frequency was higher in females (OR = 1...
February 2018: Postȩpy Dermatologii i Alergologii
Anna M Kot, Stanisław Błażejak, Iwona Gientka, Marek Kieliszek, Joanna Bryś
Torulene and torularhodin represent the group of carotenoids and are synthesized by yeasts and fungi. The most important producers of these two compounds include yeasts of Rhodotorula and Sporobolomyces genera. The first reports confirming the presence of torulene and torularhodin in the cells of microorganisms date to the 1930s and 1940s; however, only in the past few years, the number of works describing the properties of these compounds increased. These compounds have strong anti-oxidative and anti-microbial properties, and thus may be successfully used as food, feedstock, and cosmetics additives...
March 27, 2018: Microbial Cell Factories
P Sukyai, P Anongjanya, N Bunyahwuthakul, K Kongsin, N Harnkarnsujarit, U Sukatta, R Sothornvit, R Chollakup
Whey protein isolate (WPI) has been utilized as edible film or food packaging material. However, WPI films are hydrophilic due to highly polar amino acids which provide a moderate barrier to water vapor and low mechanical properties. To overcome these drawbacks, cellulose nanocrystals (CNCs) extracted from sugarcane bagasse were incorporated with whey protein. FTIR and TGA were used to confirm the changes in chemical structures and to observe the thermal properties, respectively. The CNCs had sizes of 200-300 nm and diameters of 20-40 nm using TEM and AFM technique, respectively...
May 2018: Food Research International
Davy Verheyen, Maria Baka, Seline Glorieux, Barbara Duquenne, Ilse Fraeye, Torstein Skåra, Jan F Van Impe
The effectiveness of predictive microbiology is limited by the lack of knowledge concerning the influence of food microstructure on microbial dynamics. Therefore, future modelling attempts should be based on experiments in structured food model systems as well as liquid systems. In this study, fish-based model systems with various microstructures were developed, i.e., two liquid systems (with and without xanthan gum), an emulsion, an aqueous gel, and a gelled emulsion. The microstructural effect was isolated by minimising compositional and physico-chemical changes among the different model systems...
April 2018: Food Research International
Ewa Sicińska, Marta Jeruszka-Bielak, Wojciech Roszkowski, Anna Brzozowska, Mirosław Jarosz, Monique M Raats
INTRODUCTION AND OBJECTIVE: Ensuring the adequate intake of micronutrients by populations is an important aspect of public health. This study aims to elucidate the process of setting nutrition recommendations and the development of subsequent policies associated with micronutrients in Poland by using the case study of folate. MATERIAL AND METHODS: The study was based on 13 interviews conducted between October 2010 - February 2011, and desk research comprising a review of the associated scientific literature and relevant documents, such as scientific opinions and reports of the meetings of scientific committees...
March 14, 2018: Annals of Agricultural and Environmental Medicine: AAEM
Giorgio Smaldone, Raffaele Marrone, Giuseppe Palma, Paolo Sarnelli, Aniello Anastasio
The European Food Safety Authority stated that many traditional marinating and cold smoking methods are not sufficient to kill A. simplex and asked to evaluate alternative treatments for killing viable parasites in fishery . Baccalà is a well-liked traditional product. The aim of study was to evaluate the effectiveness of the salting process on the inactivation of nematodes of the genus Anisakis in naturally infected Baccalà fillets. N. 19 fillets, subjected to a dual salting process (brine and dry salting) were analyzed...
October 20, 2017: Italian Journal of Food Safety
Elzbieta Klimuszko, Karolina Orywal, Teresa Sierpinska, Jarosław Sidun, Maria Golebiewska
Enamel is the structure that covers the entire clinical crown of a tooth. It enables to chew and crush food, and gives a final shape to the crowns of teeth. To evaluate calcium and magnesium contents in tooth enamel and analyse relationships between the study minerals extracted human permanent teeth were cut at every 150 microns and subjected into acid biopsy. The amounts of calcium and magnesium were assessed in the laboratory using atomic absorption spectroscopy with an air/acetylene flame. The lowest calcium and magnesium contents were found on the enamel surface of the teeth...
March 19, 2018: Odontology
Ileana-Andreea Ratiu, Hossam Al-Suod, Magdalena Ligor, Tomasz Ligor, Viorica Railean-Plugaru, Bogusław Buszewski
Cyclitols are phytochemicals naturally occurring in plant material which attracted an increasing interest due to multiple medicinal attributes, amongst the most important are the anti-diabetic, antioxidant and anti-cancer properties. Due to their valuable properties, sugars are used in food industry as sweeteners, preservatives, texture modifiers, fermentation substrates, flavoring and coloring agents. In this study we report for the first time the quantitative analysis of sugars and cyclitols isolated from Solidago virgaurea L...
March 15, 2018: Electrophoresis
Pichamon Limcharoenchat, Sarah E Buchholz, Michael K James, Nicole O Hall, Elliot T Ryser, Bradley P Marks
Inoculation methods in pathogen inactivation studies ideally represent conditions that might occur in real-world scenarios. Surface contamination in or on low-moisture foods affects Salmonella thermal resistance, which is critically important for process validation applications. The objective of this study was to quantify the effect of inoculation protocol on the thermal resistance of Salmonella Enteritidis PT 30 in fabricated low-moisture foods. Almond meal, almond butter, wheat meal, wheat flour, and date paste were inoculated via prefabrication and postfabrication protocols...
March 12, 2018: Journal of Food Protection
Edyta Krzych-Fałta, Konrad Furmańczyk, Aneta Tomaszewska, Dominik Olejniczak, Bolesław Samoliński, Urszula Samolińska-Zawisza
BACKGROUND: The hygiene hypothesis proposed by Strachan in the 1980s clearly emphasized the role of microorganisms in atopy prevention. OBJECTIVES: The study objective was to assess the preventive role of probiotics in patients with allergic rhinitis, bronchial asthma, atopic dermatitis, and/or food allergy. MATERIAL AND METHODS: The methods used in the study were the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaires for 6-7- and 13-14-year-olds and the European Community Respiratory Health Survey II (ECRHS II) questionnaire targeted for the 20-44 age group...
January 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Grażyna Budryn, Ilona Gałązka-Czarnecka, Ewelina Brzozowska, Joanna Grzelczyk, Radosław Mostowski, Dorota Żyżelewicz, José P Cerón-Carrasco, Horacio Pérez-Sánchez
No abstract text is available yet for this article.
July 1, 2018: Food Chemistry
Małgorzata Kujawska, Anna Olejnik, Grażyna Lewandowicz, Przemysław Kowalczewski, Renata Forjasz, Jadwiga Jodynis-Liebert
BACKGROUND: Peptic ulcer disease, including its complications and functional dyspepsia, are prevalent gastrointestinal diseases, etiopathogenesis of which is associated with mucosal inflammation. Research into new therapeutics capable of preventing or curing gastrointestinal mucosal damage has been steadily developing over past decades. This study was undertaken to evaluate whether a spray-dried preparation of potato juice is applicable for treating and preventing gastrointestinal mucosal damage...
February 24, 2018: Nutrients
Laila Aldars-García, Sonia Marín, Vicente Sanchis, Naresh Magan, Angel Medina
Intraspecies variability in fungal growth and mycotoxin production has important implications for food safety. Using the Bioscreen C we have examined spectrophotometrically intraspecies variability of A. flavus using 10 isolates under different environments, including temperature shifts, in terms of growth and aflatoxin B1 (AFB1 ) production. Five high and five low AFB1 producers were examined. The study was conducted at 5 isothermal conditions (from 15 to 37 °C) and 4 dynamic scenarios (between 15 and 30 °C)...
February 16, 2018: International Journal of Food Microbiology
Esther Garcia-Cela, Elsa Kiaitsi, Michael Sulyok, Angel Medina, Naresh Magan
Zearalenone (ZEN) contamination from Fusarium graminearum colonization is particularly important in food and feed wheat, especially during post-harvest storage with legislative limits for both food and feed grain. Indicators of the relative risk from exceeding these limits would be useful. We examined the effect of different water activities (aw ; 0.95-0.90) and temperature (10-25 °C) in naturally contaminated and irradiated wheat grain, both inoculated with F. graminearum and stored for 15 days on (a) respiration rate; (b) dry matter losses (DML); (c) ZEN production and (d) relationship between DML and ZEN contamination relative to the EU legislative limits...
February 17, 2018: Toxins
Karina Jahnz-Rozyk, Filip Raciborski, Andrzej M Śliwczyński, Anna Kłak, Jarosław Pinkas
Introduction: Epidemiological data on anaphylaxis have been underestimated both in Poland and worldwide. Aim: To evaluate the prevalence of anaphylaxis in Poland, including a classification by gender, age and residential region. Material and methods: The data used in the analysis were derived from two sources, the National Health Fund records of healthcare services for 2008-2015 (official statistics) and a questionnaire-based survey conducted in 2015 on a sample of 305 allergists practicing in different regions of Poland...
December 2017: Postȩpy Dermatologii i Alergologii
Laila Aldars-García, María Berman, Jordi Ortiz, Antonio J Ramos, Sonia Marín
The probability of growth and aflatoxin B1 (AFB1) production of 20 isolates of Aspergillus flavus were studied using a full factorial design with eight water activity levels (0.84-0.98 aw) and six temperature levels (15-40 °C). Binary data obtained from growth studies were modelled using linear logistic regression analysis as a function of temperature, water activity and time for each isolate. In parallel, AFB1 was extracted at different times from newly formed colonies (up to 20 mm in diameter). Although a total of 950 AFB1 values over time for all conditions studied were recorded, they were not considered to be enough to build probability models over time, and therefore, only models at 30 days were built...
June 2018: Food Microbiology
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