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Ana Batista, Cristina P Monteiro, Rute Borrego, Catarina N Matias, Filipe J Teixeira, Maria João Valamatos, Ana Cláudia Oliveira, Joana F Reis, Lino Mendes, Luís B Sardinha
The purpose of this study was to evaluate the association between whey protein supplementation, body composition and muscle strength, in resistance-trained individuals. Forty-nine healthy males, aged 18 to 35 years that were engaged in resistance training for at least one year, were assigned into two groups according to whey protein intake (Whey: n=26, 30.7 ± 7.4 yr, 75.8 ± 9.0 kg; WithoutWhey: n=23, 31.0 ± 7.4 yr, 77.9 ± 9.3 kg). Using a cross-sectional design, a morning assessment of body fat mass (FM) (by dual energy X-ray absorptiometry) and strength (using 1RM for bench press and back squat) was performed...
June 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Zala Zorenc, Robert Veberic, Maja Mikulic-Petkovsek
Bilberries are processed into different food products and beverages. Therefore, we studied how various bilberry items (puree, infusion, liqueur, and fresh and pasteurized juices) differ in secondary metabolites as compared to the fresh fruit. For this purpose, we identified phenolics with a liquid chromatography-mass spectrophotometry (LC-MS) system and compared phenolic profiles and phenolic contents in various bilberry products prepared from the same raw material. Our results show that processing significantly affected the biochemical pattern and levels of phenolics...
June 15, 2018: Journal of Food Science
Lissa Davis, Jooyeoun Jung, Ann Colonna, Aimee Hasenbeck, Virginia Gouw, Yanyun Zhao
Blueberry pomace (BP) and cranberry pomace (CP) are good sources of dietary fiber and phenolics. This study aimed to develop berry fruit pomace (FP)-fortified specialty mustard with elevated bioactive compounds and ascertain consumer acceptance of a new product. Wet BP and CP were ground and incorporated into Dijon-style mustard at concentrations of 15%, 20%, and 25% (w/w). Total dietary fiber (TDF), total phenolic content (TPC), and radical scavenging activity (RSA) were evaluated for samples obtained from both chemical extraction (CE) and simulated gastrointestinal digestion (SGD)...
June 15, 2018: Journal of Food Science
Xiaocheng Li, Yonghua Li, Xiuting Li, Xin Ji, Man Zhang, Zhixu Wang
OBJECTIVE: To explore consumption situation and composition parameter distribution of indefinite-configuration foods in diets of some urban adult Chinese residents, and establish the parameters databases. METHODS: A total of 1620 adult urban residents were sampled randomly by a multi-stage sampling method from four cities in Jiangsu and Shandong Provinces, and were investigated with a self-made Food Frequency Questionnaire. The moisture content status of indefinite-configuration foods from the market were analysed with the method of China national standards GB 5009...
January 2018: Wei Sheng Yan Jiu, Journal of Hygiene Research
Ayla Karatas, Emel Ozgumus Demir
Due to the increased interest shown in kefir, the present study examined its effects on some developmental characteristics in Drosophila. To compare the results related to kefir, another fermented product, i.e., yogurt, and the raw material of kefir, i.e., milk, were included in the experiment. All three foods were fed to Drosophila by addition to the medium. The results showed that the three foods delayed development in generations F1 and F2. In both generations, the number of adults was lower than that of the control group, but the comparison of the foods among themselves showed no significant difference...
May 1, 2018: Journal of Insect Science
Ri-Ping Huang, Ze-Hua Liu, Hua Yin, Zhi Dang, Ping-Xiao Wu, Neng-Wu Zhu, Zhang Lin
Bisphenol A (BPA) is an important industrial raw material that is widely applied in daily products. BPA is also an endocrine-disrupting chemical that may adversely affect humans. This review thoroughly collected data on BPA concentration in human urine and determined main influencing factors. The average BPA intake of humans across six continents or the average value worldwide was calculated based on a simple model. Results showed that the average BPA intake was ranked from high to low as follows: Oceania, Asia, Europe, and North America in the child population and Oceania, Europe, Asia, and North America in the adult population...
June 1, 2018: Science of the Total Environment
Thi Thu Tra Vu, Thomas Alter, Uwe Roesler, Nicole Roschanski, Stephan Huehn
Retail seafood in Berlin, Germany, was investigated to detect the prevalence and quantitative load of Enterobacteriaceae that produce extended-spectrum β-lactamase (ESBL) and AmpC β-lactamase (AmpC). A total of 160 raw seafood samples were screened for the presence of these bacteria using MacConkey agar supplemented with 1 mg/L cefotaxime after nonselective enrichment. Isolated species were subsequently identified using matrix-assisted laser desorption-ionization time-of-flight analysis. ESBL and AmpC production was tested by the disk diffusion method, and ESBL and AmpC genes were characterized using real-time and conventional PCR assays with DNA sequencing...
June 13, 2018: Journal of Food Protection
Jean-Paul Madeira, Béatrice Alpha-Bazin, Jean Armengaud, Catherine Duport
Aerobic respiratory growth generates endogenous reactive oxygen species (ROS). ROS oxidize protein-bound methionine residues into methionine sulfoxide. Methionine sulfoxide reductases catalyze the reduction of methionine sulfoxide to methionine in proteins. Here, we use high-throughput nanoLC-MS/MS methodology to establish detailed maps of oxidized proteins from Bacillus cereus ATCC 14579 ΔpBClin15 and its mutant for which the methionine sulfoxide reductase AB gene ( msrAB ) has been inactivated (Madeira et al...
June 2018: Data in Brief
Zerihun Yemataw, Sadik Muzemil, Daniel Ambachew, Leena Tripathi, Kassahun Tesfaye, Alemayheu Chala, Audrey Farbos, Paul O'Neill, Karen Moore, Murray Grant, David J Studholme
We present raw sequence reads and genome assemblies derived from 17 accessions of the Ethiopian orphan crop plant enset ( Ensete ventricosum (Welw.) Cheesman) using the Illumina HiSeq and MiSeq platforms. Also presented is a catalogue of single-nucleotide polymorphisms inferred from the sequence data at an average density of approximately one per kilobase of genomic DNA.
June 2018: Data in Brief
Hua Li, Pengfei Wang, Ruiting Lan, Lijuan Luo, Xiaolong Cao, Yi Wang, Yan Wang, Hui Li, Lu Zhang, Shunshi Ji, Changyun Ye
Listeria monocytogenes can contaminate various foods via food processing environments and contamination of raw materials. There is a limited understanding of L. monocytogenes transmission in retail market and the role of insects in L. monocytogenes transmission in the retail environments. To better understand the risk factors of raw pork contamination, the prevalence of L. monocytogenes was examined in raw pork, retail environments and insects in a retail market over a 6-month period from March to August in 2016 in Beijing, China...
2018: Frontiers in Microbiology
R García-Tenorio, G Manjón, I Vioque, M C Jiménez-Ramos, J Mantero, I Díaz-Francés
A radiological evaluation associated to the future mining of grey monazite nodules enriched in light rare-earths, from a modest superficial deposit located in the centre of Spain, has been performed at pre-operational level, and the main results are shown in this paper. Although the monazite nodules in the deposit are clearly enriched in radionuclides from the uranium and thorium series with activity concentrations higher than 1 Bq/g, the size of these nodules (in the 0.5 mm-2 mm grain size interval), its refractory behaviour that prevents the leaching or dissemination of natural radionuclides to waters or other ecosystem compartments and consequently the impact in the food chain, and its presence quite diluted in the deposit at concentrations of 2...
June 5, 2018: Chemosphere
Zehua Qin, Rubing Zhang, Jianping Yu
Perillyl alcohol, [4-isopropylene-1-cyclohexene] methanol, is a monocyclic monoterpene alcohol with special odorous similar to that of linalool and terpineol. It has application potential in pharmaceutical, daily chemical and food industries. In this study, one method for the synthesis of perillyl alcohol through the MVA pathway was studied. First, the MVA metabolic pathway originated from Enterococcus faecalis was constructed in Escherichia coli to synthesize limonene. Limonene was further transformed to perillyl alcohol by the hydroxylation of cytochrome P450 alkane hydroxylase...
May 25, 2018: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
Margot Schlusselhuber, Justine Godard, Muriel Sebban, Benoit Bernay, David Garon, Virginie Seguin, Hassan Oulyadi, Nathalie Desmasures
Biosurfactants such as lipopeptides are amphiphilic compounds produced by microorganisms such as bacteria of the genera of Pseudomonas and Bacillus . Some of these molecules proved to have interesting antimicrobial, antiviral, insecticide, and/or tensioactive properties that are potentially useful for the agricultural, chemical, food, and pharmaceutical industries. Raw milk provides a physicochemical environment that is favorable to the multiplication of a broad spectrum of microorganisms. Among them, psychrotrophic bacterial species, especially members of the genus Pseudomonas , are predominant and colonize milk during cold storage and/or processing...
2018: Frontiers in Microbiology
Sandra Weber, Karola Schrag, Gerd Mildau, Thomas Kuballa, Stephan G Walch, Dirk W Lachenmeier
Mineral oils (such as paraffinum liquidum or white oil), which consist of mineral oil saturated hydrocarbons (MOSH) and mineral oil aromatic hydrocarbons (MOAH), are widely applied in various consumer products such as medicines and cosmetics. Contamination of food with mineral oil may occur by migration of mineral oil containing products from packaging materials, or during the food production process, as well as by environmental contamination during agricultural production. Considerable analytical interest was initiated by the potential adverse health effects, especially carcinogenic effects of some aromatic hydrocarbons...
2018: Analytical Chemistry Insights
Ana Romera-Torres, Roberto Romero-González, José Luis Martínez Vidal, Antonia Garrido Frenich
In the last years, the interest in secondary metabolites from plants has been growing, and even more if they have or would have medical applications, as it happens with tropane alkaloids and calystegines. Therefore, the number of analytical methods for the analysis of these compounds has been increasing. In this review, the extraction methods as well as the chromatographic separation and detection techniques based on mass spectrometry to determine tropane alkaloids and calystegines in plant raw material and food have been described...
June 4, 2018: Journal of Chromatography. A
M Norlia, S Jinap, M A R Nor-Khaizura, R Son, C K Chin, Sardjono
Peanuts are widely consumed as the main ingredient in many local dishes in Malaysia. However, the tropical climate in Malaysia (high temperature and humidity) favours the growth of fungi from Aspergillus section Flavi, especially during storage. Most of the species from this section, such as A. flavus, A. parasiticus and A. nomius, are natural producers of aflatoxins. Precise identification of local isolates and information regarding their ability to produce aflatoxins are very important to evaluate the safety of food marketed in Malaysia...
May 31, 2018: International Journal of Food Microbiology
Maren Mylius, Johannes Dreesman, Matthias Pulz, Gerhard Pallasch, Konrad Beyrer, Katja Claußen, Franz Allerberger, Angelika Fruth, Christina Lang, Rita Prager, Antje Flieger, Sabine Schlager, Daniela Kalhöfer, Elke Mertens
Following a school ski-trip to Austria from 10 to 18/02/2017, nine of 25 participants of the group from Lower Saxony (Germany) developed gastroenteritis. The students and teachers (17-41 years) shared meals in a hotel. Active case finding revealed further cases among German school groups from North Rhine-Westphalia and Schleswig-Holstein, staying at the same hotel in February 2017. We conducted two retrospective cohort studies using self-administered questionnaires on clinical symptoms and food consumption...
May 29, 2018: International Journal of Medical Microbiology: IJMM
R Hassan, S Tecle, B Adcock, M Kellis, J Weiss, A Saupe, A Sorenson, R Klos, J Blankenship, T Blessington, L Whitlock, H A Carleton, J Concepción-Acevedo, B Tolar, M Wise, K P Neil
Foodborne non-typhoidal salmonellosis causes approximately 1 million illnesses annually in the USA. In April 2015, we investigated a multistate outbreak of 65 Salmonella Paratyphi B variant L(+) tartrate(+) infections associated with frozen raw tuna imported from Indonesia, which was consumed raw in sushi. Forty-six (92%) of 50 case-patients interviewed ate sushi during the week before illness onset, and 44 (98%) of 45 who specified ate sushi containing raw tuna. Two outbreak strains were isolated from the samples of frozen raw tuna...
June 8, 2018: Epidemiology and Infection
Jacqueline M Chaparro, David G Holm, Corey D Broeckling, Jessica E Prenni, Adam L Heuberger
Potato ( Solanum tuberosum L.) is an important global food crop that contains phytochemicals with demonstrated effects on human health. Understanding sources of chemical variation of potato tuber can inform breeding for improved health attributes of the cooked food. Here, a comprehensive metabolomics (UPLC- and GC-MS) and ionomics (ICP-MS) analysis of raw and cooked potato tuber was performed on 60 unique potato genotypes that span 5 market classes including russet, red, yellow, chip, and specialty potatoes...
2018: Frontiers in Nutrition
Jun Kido, Natsuko Nishi, Tomoaki Matsumoto
BACKGROUND: Many researchers have made efforts to develop diagnostic tools for predicting the outcome of oral food challenges (OFCs). The aim of this study was to assess the diagnostic value of the skin prick test (SPT) and blood-specific IgE concentrations based on the outcome of the OFCs for heated and raw hen egg. METHODS: This study included 103 children with suspected hen egg allergy (HEA; median age 23 months, range 10-155; 72 boys, 31 girls). Forty-three patients were diagnosed with HEA by OFC...
June 6, 2018: International Archives of Allergy and Immunology
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