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https://www.readbyqxmd.com/read/29885339/modification-of-the-cell-wall-structure-of-saccharomyces-cerevisiae-strains-during-cultivation-on-waste-potato-juice-water-and-glycerol-towards-biosynthesis-of-functional-polysaccharides
#1
Anna Bzducha-Wróbel, Stanisław Błażejak, Marek Kieliszek, Katarzyna Pobiega, Katarzyna Falana, Monika Janowicz
Changes in cell wall structure of four strains of Sacccharomyces cerevisiae species (brewer's, baker's and probiotic yeast) after culturing on deproteinated potato juice water (DPJW) with diverse addition of glycerol and different pH were investigated. It allowed to select conditions intensifying biosynthesis of β(1,3)/(1,6)-glucan and mannoproteins of cell walls of tested strains. Yeast cell wall structural polysaccharides show biological activity and technological usability in food industry but also decide about therapeutic properties of yeast biomass...
June 6, 2018: Journal of Biotechnology
https://www.readbyqxmd.com/read/29807715/-moderate-exercise-and-intake-of-either-high-or-low-glycemic-index-carbohydrates-in-sedentary-women
#2
Briseidy Ortiz-Rodríguez, Lidia G De León, Julián Esparza-Romero, Claudia E Carrasco-Legleu, Ramón Candia-Luján
OBJECTIVE: To analyze changes in blood glucose, insulin and triglyceride concentrations in relation to a moderate aerobic exercise in sedentary women of different body weight, exposed to either a high or low glycemic index carbohydrates diet. DISEñO: Cross-over type. SITE: Research was performed in the Exercise Physiology Laboratory at Facultad de Ciencias de la Cultura Física, Universidad Autónoma de Chihuahua, México. PARTICIPANTS: Twenty-six young sedentary women who did not exercise in the last year participated in the study...
May 25, 2018: Atencion Primaria
https://www.readbyqxmd.com/read/29803486/effects-of-processing-method-and-solute-interactions-on-pepsin-digestibility-of-cooked-proso-millet-flour
#3
Paridhi Gulati, Luis Sabillón, Devin J Rose
Previous studies have reported a substantial decline in in vitro digestibility of proso millet protein upon cooking. In this study, several processing techniques and cooking solutions were tested with the objective of preventing the loss in pepsin digestibility. Proso millet flour was subjected to the following processing techniques: high pressure processing (200 and 600 MPa for 5 and 20 min); germination (96 h); fermentation (48 h); roasting (dry heating); autoclaving (121 °C, 3 h), and treatment with transglutaminase (160 mg/g protein, 37 °C, 2 h)...
July 2018: Food Research International
https://www.readbyqxmd.com/read/29756353/effect-of-potassium-sorbate-e-202-and-the-antifungal-pgafp-protein-on-aspergillus-carbonarius-growth-and-ochratoxin-a-production-in-raisin-simulating-media
#4
Sihem Fodil, Josué Delgado, Leonardo Varvaro, Thaer Yaseen, Alicia Rodríguez
BACKGROUND: Ochratoxin A (OTA) is a mycotoxin produced by several species of Aspergillus and Penicillium fungi. The presence of OTA in raisins is mainly related to the black Aspergillus spp. contamination. This toxin poses risks to human and animal health due to their high toxicity and carcinogenicity. Therefore, new strategies to avoid the risk associated to OTA are necessary. RESULTS: In the present study, a comparison between the effects of the antifungal protein PgAFP and potassium sorbate (E-202), on the growth of Aspergillus carbonarius, biosynthetic- and stress-related gene expression and its OTA production at two water activity (aw ) levels 0...
May 13, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29744635/shell-colour-temperature-micro-habitat-structure-and-predator-pressure-affect-the-behaviour-of-cepaea-nemoralis
#5
Zuzanna M Rosin, Zbigniew Kwieciński, Andrzej Lesicki, Piotr Skórka, Jarosław Kobak, Anna Szymańska, Tomasz S Osiejuk, Tomasz Kałuski, Monika Jaskulska, Piotr Tryjanowski
Although shell colour polymorphism of the land snail Cepaea nemoralis is a well-known phenomenon, proximate and ultimate factors driving its evolution remain uncertain. Polymorphic species show variation in behavioural responses to selective forces. Therefore, we estimated effects of various environmental factors (temperature, humidity, food availability, (micro)habitat structure and predatory pressure) on behavioural response (frequency of locomotion, climbing and hiding) of C. nemoralis morphs, in experimental and natural conditions...
May 9, 2018: Die Naturwissenschaften
https://www.readbyqxmd.com/read/29743556/no-evidence-for-the-immunocompetence-handicap-hypothesis-in-male-humans
#6
Judyta Nowak, Bogusław Pawłowski, Barbara Borkowska, Daria Augustyniak, Zuzanna Drulis-Kawa
The observations that testosterone might be immunosuppressive, form the basis for the immunocompetence handicap hypothesis (ICHH). According to ICHH only high-quality individuals can maintain high levels of testosterone and afford the physiological cost of hormone-derived immunosuppression. The animal and human studies that attempted to support the ICHH by precisely defined impairment of immunity associated with high testosterone levels are inconclusive. Furthermore, human studies have used only selected immune functions and varying testosterone fractions...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29741191/apple-pomace-improves-gut-health-in-fisher-rats-independent-of-seed-content
#7
Gitte Ravn-Haren, Britta N Krath, Jarosław Markowski, Morten Poulsen, Max Hansen, Krzysztof Kołodziejczyk, Monika Kosmala, Lars O Dragsted
The mechanism behind the cholesterol lowering effects of apple pomace, a polyphenol- and fibre rich by-product in apple juice production, was investigated. Groups of male F344 rats were fed a control feed or the same feed with 2.1% or 6.5% dry apple pomace with or without seeds for 4 weeks. Effects on plasma cholesterol concentrations, excretion of bile acids, expression of genes involved in cholesterol- and bile acid synthesis, and other markers related to gut health were investigated. We found that pomace feeding decreased total-, LDL- and IDL-cholesterol concentrations compared to control...
May 9, 2018: Food & Function
https://www.readbyqxmd.com/read/29739599/nir-spectroscopy-for-the-quality-control-of-moringa-oleifera-lam-leaf-powders-prediction-of-minerals-protein-and-moisture-contents
#8
Catherine Rébufa, Inès Pany, Isabelle Bombarda
A rapid methodology was developed to simultaneously predict water content and activity values (aw ) of Moringa oleifera leaf powders (MOLP) using near infrared (NIR) signatures and experimental sorption isotherms. NIR spectra of MOLP samples (n = 181) were recorded. A Partial Least Square Regression model (PLS2) was obtained with low standard errors of prediction (SEP of 1.8% and 0.07 for water content and aw respectively). Experimental sorption isotherms obtained at 20, 30 and 40 °C showed similar profiles...
September 30, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29731172/corrigendum-to-autophagic-cell-death-and-premature-senescence-new-mechanism-of-5-fluorouracil-and-sulforaphane-synergistic-anticancer-effect-in-mda-mb-231-triple-negative-breast-cancer-cell-line-food-chem-toxicol-111-2018-1-8
#9
Małgorzata Milczarek, Katarzyna Wiktorska, Lidia Mielczarek, Mirosława Koronkiewicz, Aleksandra Dąbrowska, Katarzyna Lubelska, Dariusz Matosiuk, Zdzisław Chilmonczyk
No abstract text is available yet for this article.
May 3, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29684086/frequency-of-appearance-of-transverse-harris-lines-reflects-living-conditions-of-the-pleistocene-bear-ursus-ingressus-sudety-mts-poland
#10
Dariusz Nowakowski
Transverse lines, called Harris Lines (HL), osteological markers of recovery from growth arrest episodes, are visible in radiograms of recent and Pleistocene fossil bones. Since on the one hand they mark stressful episodes in life, and on the other are mainly used to trace health fluctuations in prehistoric human communities, I used a cave bear population to check if the processes that could affect the specie' condition were in any way reflected in the bone structure. 392 bear bones from Bear Cave in Kletno (collection: Department of Palaeozoology, University of Wrocław), dated as 32 100 ±1300 to >49 000 years BP, were radiologically examined...
2018: PloS One
https://www.readbyqxmd.com/read/29667035/hatching-delays-in-great-tits-and-blue-tits-in-response-to-an-extreme-cold-spell-a-long-term-study
#11
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
https://www.readbyqxmd.com/read/29627470/investigation-of-the-physical-properties-antioxidant-and-antimicrobial-activity-of-ternary-potato-starch-furcellaran-gelatin-films-incorporated-with-lavender-essential-oil
#12
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...
July 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29614874/consumer-attitudes-toward-animal-welfare-friendly-products-and-willingness-to-pay-exploration-of-mexican-market-segments
#13
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
https://www.readbyqxmd.com/read/29600383/particulate-matter-on-two-prunus-spp-decreases-survival-and-performance-of-the-folivorous-beetle-gonioctena-quinquepunctata
#14
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
https://www.readbyqxmd.com/read/29599674/epidemiology-of-urticaria-in-poland-nationally-representative-survey-results
#15
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
https://www.readbyqxmd.com/read/29587755/torulene-and-torularhodin-new-fungal-carotenoids-for-industry
#16
REVIEW
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
https://www.readbyqxmd.com/read/29580516/effect-of-cellulose-nanocrystals-from-sugarcane-bagasse-on-whey-protein-isolate-based-films
#17
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
https://www.readbyqxmd.com/read/29579900/development-of-fish-based-model-systems-with-various-microstructures
#18
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
https://www.readbyqxmd.com/read/29575870/how-is-the-process-of-setting-micronutrients-recommendations-reflected-in-nutrition-policies-in-poland-the-case-study-of-folate
#19
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
https://www.readbyqxmd.com/read/29564240/preliminary-study-on-the-inactivation-of-anisakid-larvae-in-baccal%C3%A3-prepared-according-to-traditional-methods
#20
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
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