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Food production

Wioleta Chajęcka-Wierzchowska, Anna Zadernowska, Łucja Łaniewska-Trokenheim
The objective of the study was to answer the question of whether the ready-to-eat meat products can pose indirect hazard for consumer health serving as reservoir of Enterococcus strains harboring tetracyclines, aminoglycosides, and macrolides resistance genes. A total of 390 samples of ready-to-eat meat products were investigated. Enterococcus strains were found in 74.1% of the samples. A total of 302 strains were classified as: Enterococcus faecalis (48.7%), Enterococcus faecium (39.7%), Enterococcus casseliflavus (4...
October 25, 2016: Journal of Food Science
Ching-Wen Pan, Meng-Hsien Chen, Lien-Siang Chou, Hsing-Juh Lin
Indo-Pacific humpback dolphins (Sousa chinensis) have attracted considerable attention due to their critically endangered status and related conservation issues, but their trophic relationships and ecological significance in coastal ecosystems are poorly understood. For instance, this species is noticeably more abundant in the Xin-Huwei River Estuary (Ex) of Western Taiwan than in the nearby Zhuoshui River Estuary (Ez), though it is unclear why the distribution shows such partitioning. To explore this topic, we conducted field surveys seasonally for two years from 2012 to 2013 and constructed Ecopath models of Ex, Ez, and an offshore site (Dm) to compare energy flow within the food webs...
2016: PloS One
Nicolas Nguyen Van Long, Valérie Vasseur, Louis Coroller, Philippe Dantigny, Sophie Le Panse, Amélie Weill, Jérôme Mounier, Karim Rigalma
Conidial germination and mycelial growth are generally studied with conidia produced under optimal conditions to increase conidial yield. Nonetheless, the physiological state of such conidia most likely differs from those involved in spoilage of naturally contaminated food. The present study aimed at investigating the impact of temperature, pH and water activity (aw) during production of conidia on the germination parameters and compatible solutes of conidia of Penicillium roqueforti and Penicillium expansum...
October 18, 2016: International Journal of Food Microbiology
Robert T Dauchy, Melissa A Wren-Dail, Aaron E Hoffman, John P Hanifin, Benjamin Warfield, George C Brainard, Steven M Hill, Victoria P Belancio, Erin M Dauchy, David E Blask
Regular cycles of exposure to light and dark control pineal melatonin production and temporally coordinate circadian rhythms of metabolism and physiology in mammals. Previously we demonstrated that the peak circadian amplitude of nocturnal blood melatonin levels of rats were more than 6-fold higher after exposure to cool white fluorescent (CWF) light through blue-tinted (compared with clear) rodent cages. Here, we evaluated the effects of light-phase exposure of rats to white light-emitting diodes (LED), which emit light rich in the blue-appearing portion of the visible spectrum (465-485 nm), compared with standard broadspectrum CWF light, on melatonin levels during the subsequent dark phase and on plasma measures of metabolism and physiology...
2016: Comparative Medicine
Courtney A Pinard, Hollyanne E Fricke, Teresa M Smith, Leah R Carpenter, Amy L Yaroch
OBJECTIVES: Rural communities face unique challenges to and opportunities for offering more healthful foods and are often understudied in comparison to their urban counterparts. The purpose of this study was to conduct a qualitative assessment of rural storeowners' perceptions of their communities, their business practices, and factors that influences their viability, sustainability, and ability to support healthy food choices. METHODS: We conducted interviews with storeowners (N = 15) in small stores in rural Nebraska and explored perceptions of business practices, role in the community, and consumer demand for more healthful foods...
November 2016: American Journal of Health Behavior
R E Frye, S Rose, J Chacko, R Wynne, S C Bennuri, J C Slattery, M Tippett, L Delhey, S Melnyk, S G Kahler, D F MacFabe
Propionic acid (PPA) is a ubiquitous short-chain fatty acid, which is a major fermentation product of the enteric microbiome. PPA is a normal intermediate of metabolism and is found in foods, either naturally or as a preservative. PPA and its derivatives have been implicated in both health and disease. Whereas PPA is an energy substrate and has many proposed beneficial effects, it is also associated with human disorders involving mitochondrial dysfunction, including propionic acidemia and autism spectrum disorders (ASDs)...
October 25, 2016: Translational Psychiatry
Liliana Belmonte, Najate Achamrah, Séverine Nobis, Charlène Guérin, Gaëtan Riou, Christine Bôle-Feysot, Olivier Boyer, Vincent Richard, Jean Claude Do Rego, Pierre Déchelotte, Alexis Goichon, Moïse Coëffier
Anorexia nervosa (AN) is associated with low-grade systemic inflammation and altered gut microbiota. However, the molecular origin of the inflammation remains unknown. Toll-like receptors are key regulators of innate immune response and their activation seems also to be involved in the control of food intake. We used activity-based anorexia (ABA) model to investigate the role of TLR4 and its contribution in anorexia-associated low-grade inflammation. Here, we found that ABA affected early the intestinal inflammatory status and the hypothalamic response...
October 25, 2016: Scientific Reports
Amanda P De Souza, Lynnicia N Massenburg, Deepak Jaiswal, Siyuan Cheng, Rachel Shekar, Stephen P Long
I. II. III. IV. V. VI. VII. References SUMMARY: As a consequence of an increase in world population, food demand is expected to grow by up to 110% in the next 30-35 yr. The population of sub-Saharan Africa is projected to increase by > 120%. In this region, cassava (Manihot esculenta) is the second most important source of calories and contributes c. 30% of the daily calorie requirements per person. Despite its importance, the average yield of cassava in Africa has not increased significantly since 1961...
October 25, 2016: New Phytologist
Jamuna Bai A, Ravishankar Rai V
Quorum sensing or cell to cell communication which includes inter- and intra-cellular communication has been implicated in the production of virulence factor and formation of biofilm in food-borne pathogens. In the present study, the effect of quorum sensing signals on the biofilms of food-borne pathogens has been elucidated. N-butryl homoserine lactone and N-hexanoyl homoserine lactone belonging to acyl homoserine lactone (AHL) family of signaling molecules were investigated for their effect on the biofilm formation (attachment and exopolymeric substance production) in the food-borne pathogens Escherichia coli, Salmonella enterica serovar Typhimurium and Vibrio parahemolyticus...
September 2016: Journal of Food Science and Technology
Swati Sethi, S K Tyagi, Rahul K Anurag
Plant-based or non-dairy milk alternative is the fast growing segment in newer food product development category of functional and specialty beverage across the globe. Nowadays, cow milk allergy, lactose intolerance, calorie concern and prevalence of hypercholesterolemia, more preference to vegan diets has influenced consumers towards choosing cow milk alternatives. Plant-based milk alternatives are a rising trend, which can serve as an inexpensive alternate to poor economic group of developing countries and in places, where cow's milk supply is insufficient...
September 2016: Journal of Food Science and Technology
Sangwoo Kim, Wangjun Lee, Insu Song, Yuhyun Kwon, Seokhun Yun, Soohyun Park, Sukhyeong Cho, Byung-Keun Oh, Han Bin Oh, Jinwon Lee
Methane is an abundant, inexpensive one-carbon feedstock and one of the most powerful greenhouse gases. Because it does not compete with food demand, it is considered a promising carbon feedstock for the production of valuable products using methanotrophic bacteria. Here, we isolated a novel methanotrophic bacterium, Methylomonas sp. SW1, from a sewage sample obtained from Wonju City Water Supply Drainage Center, Republic of Korea. The conditions for uracil production by Methylomonas sp. SW1, such as Cu(2+) concentration and temperature were investigated and optimized...
October 21, 2016: Journal of Biotechnology
Smitha Kakde, Raj S Bhopal, Swati Bhardwaj, Anoop Misra
OBJECTIVE: Known risk factors do not fully explain the comparatively high susceptibility to coronary heart disease (CHD) in South Asians (Indian, Pakistani, Bangladeshi, and Sri Lankan populations in South Asia and overseas). The search for explanatory hypotheses and cofactors that raise susceptibility of South Asians to CHD continues. The aim of this study was to propose "the high-heat food preparation hypothesis," where neo-formed contaminants (NFCs) such as trans-fatty acids (TFAs) and advanced glycation end-products (AGEs) are the cofactors...
July 26, 2016: Nutrition
Paula Núñez Martínez, Juan Argüelles Luis, Carmen Perillán Méndez
BACKGROUND: The Stevia rebaudiana plant is likely to become a major source of high-potency sweetener for the growing natural-food market. S. rebaudiana is the source of a number of sweet diterpenoid glycosides, but the major sweet constituents are rebaudioside A and stevioside. These two constituents have similar pharmacokinetic and metabolic profiles in rats and humans, and thus, studies carried out with either steviol glycoside are relevant to both. Other studies illustrate the diversity of voluntary sweet intake in mammals...
November 2016: Psicothema
Xing Lin Ho, Jonathan Jia He Liu, Wai Mun Loke
A randomized, double blind, placebo-controlled and crossover study was conducted to simultaneously measure the effects, after 3-hour and 4-week daily exposure to plant sterols-enriched food product, on inflammation, oxidative status, 5-lipoxygenase, 12-lipoxygenase and myeloperoxidase activities in healthy adults. Eighteen healthy participants (67% female, 35.3 (mean)±9.5 (SD) years, mean body mass index 22.8 kg m(-2)) received 2 soy milk (20g) treatments daily: placebo and one containing 2.0g free plant sterols equivalent of their palmitates (β-sitosterol, 55%; campesterol, 29% and stigmasterol, 23%)...
October 24, 2016: Free Radical Research
Iuliana Aprodu, Florentina-Mihaela Ursache, Mihaela Turturică, Gabriela Râpeanu, Nicoleta Stănciuc
Sea buckthorn has gained importance as a versatile nutraceutical, due to its high nutritive value in terms of carotenoids content. β-Lactoglobulin (β-LG) is a natural carrier for various bioactive compounds. In this study, the effect of thermal treatment in the temperature range of 25 to 100°C for 15min on the complex formed by β-LG and carotenoids from sea buckthorn was reported, based on fluorescence spectroscopy, molecular docking and molecular dynamics simulation results. Also, the berries extracts were analyzed for their carotenoids content...
October 17, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Elham Aslankoohi, Beatriz Herrera-Malaver, Mohammad Naser Rezaei, Jan Steensels, Christophe M Courtin, Kevin J Verstrepen
Saccharomyces cerevisiae is routinely used yeast in food fermentations because it combines several key traits, including fermentation efficiency and production of desirable flavors. However, the dominance of S. cerevisiae in industrial fermentations limits the diversity in the aroma profiles of the end products. Hence, there is a growing interest in non-conventional yeast strains that can help generate the diversity and complexity desired in today's diversified and consumer-driven markets. Here, we selected a set of non-conventional yeast strains to examine their potential for bread fermentation...
2016: PloS One
Araceli Oropeza-Aburto, Alfredo Cruz-Ramírez, Javier Mora-Macías, Luis Herrera-Estrella
Phosphate (Pi) deficient soils are a major limitant factor for crop production in many regions in the world. Despite that plants have innovated several developmental and biochemical strategies to deal with this stress, there are still massive extensions of land which combine several abiotic stresses, including phosphate starvation, that limit their use for plant growth and food production. In several plant species a genetic program underlies the biochemical and developmental responses of the organism to cope with low phosphate (Pi) availability...
October 24, 2016: Plant Biotechnology Journal
Fereidoon Shahidi, Adriano Costa de Camargo
Edible oils are the major natural dietary sources of tocopherols and tocotrienols, collectively known as tocols. Plant foods with low lipid content usually have negligible quantities of tocols. However, seeds and other plant food processing by-products may serve as alternative sources of edible oils with considerable contents of tocopherols and tocotrienols. Tocopherols are among the most important lipid-soluble antioxidants in food as well as in human and animal tissues. Tocopherols are found in lipid-rich regions of cells (e...
October 20, 2016: International Journal of Molecular Sciences
Joan Serrano, Àngela Casanova-Martí, Mayte Blay, Ximena Terra, Anna Ardévol, Montserrat Pinent
Food intake depends on homeostatic and non-homeostatic factors. In order to use grape seed proanthocyanidins (GSPE) as food intake limiting agents, it is important to define the key characteristics of their bioactivity within this complex function. We treated rats with acute and chronic treatments of GSPE at different doses to identify the importance of eating patterns and GSPE dose and the mechanistic aspects of GSPE. GSPE-induced food intake inhibition must be reproduced under non-stressful conditions and with a stable and synchronized feeding pattern...
October 20, 2016: Nutrients
Lu Liu, Georg Pohnert, Dong Wei
Industrial microalgae, as a big family of promising producers of renewable biomass feedstock, have been commercially exploited for functional food, living feed and feed additives, high-value chemicals in nutraceuticals, cosmeceuticals, and chemical reagents. Recently, microalgae have also been considered as a group that might play an important role in biofuel development and environmental protection. Almost all current products of industrial microalgae are derived from their biomass; however, large amounts of spent cell-free media are available from mass cultivation that is mostly unexploited...
October 20, 2016: Marine Drugs
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