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22 results match your criteria: "Institute for Food Sciences (IFS)[Affiliation]"
Proc Nutr Soc
November 2017
Division of Human Nutrition, Wageningen University,PO Box 17,6700 AA Wageningen,The Netherlands.
FFQ, food diaries and 24 h recall methods represent the most commonly used dietary assessment tools in human studies on nutrition and health, but food intake biomarkers are assumed to provide a more objective reflection of intake. Unfortunately, very few of these biomarkers are sufficiently validated. This review provides an overview of food intake biomarker research and highlights present research efforts of the Joint Programming Initiative 'A Healthy Diet for a Healthy Life' (JPI-HDHL) Food Biomarkers Alliance (FoodBAll).
View Article and Find Full Text PDFPLoS One
September 2017
Agroscope, Department of Methods Development and Analytics, Wädenswil, Switzerland.
Background: Viruses belonging to the Flaviviridae and Bunyaviridae families show considerable genetic diversity. However, this diversity is not necessarily taken into account when developing diagnostic assays, which are often based on the pairwise alignment of a limited number of sequences. Our objective was to develop and evaluate a bioinformatics workflow addressing two recurrent issues of molecular assay design: (i) the high intraspecies genetic diversity in viruses and (ii) the potential for cross-reactivity with close relatives.
View Article and Find Full Text PDFStand Genomic Sci
September 2016
Agroscope, Institute for Food Sciences IFS, Wädenswil, Switzerland.
is a Gram negative, motile gammaproteobacterium belonging to the order and the family . We isolated strain P3B5 from the phyllosphere of basil plants ( L.).
View Article and Find Full Text PDFEur J Prev Cardiol
March 2017
1 Preventive Cardiology and Sports Medicine, University Clinic for Cardiology, Inselspital, University of Bern, Switzerland.
Objective The aim of this study was to determine short-term effects of trans fatty acid (TFA) intake from ruminant and industrial sources on surrogate markers of cardiovascular risk in the context of a balanced diet with 30-36% of daily energy from fat. Design Prospective, randomized, double-blind, parallel-design study. Methods In this study, 142 healthy volunteers aged 45 to 69 years were randomly allocated to three different diets: either a diet enriched with 2% of daily energy intake from ruminant TFA (rTFA) or with industrial TFA (iTFA), or a diet without TFA (wTFA), for a duration of four weeks.
View Article and Find Full Text PDFFood Microbiol
April 2017
Agroscope, Institute for Food Sciences IFS, Schwarzenburgstrasse 161, 3003 Bern, Switzerland. Electronic address:
Occasionally, melissopalynological analysis reveals the presence of baker's yeast (Saccharomyces cerevisiae) in honey sediments. A field experiment reproducing a common spring bee feeding practice, using sugar paste containing baker's yeast, was performed to understand how S. cerevisiae are introduced into honey.
View Article and Find Full Text PDFJ Vis Exp
November 2016
Institute for Food Sciences IFS, Agroscope;
The ribosomal spacer PCR (RS-PCR) is a highly resolving and robust genotyping method for S. aureus that allows a high throughput at moderate costs and is, therefore, suitable to be used for routine purposes. For best resolution, data evaluation and data management, a miniaturized electrophoresis system is required.
View Article and Find Full Text PDFJ Dairy Sci
November 2016
Agroscope, Institute for Food Sciences IFS, Schwarzenburgstrasse 161, CH-3003 Bern, Switzerland. Electronic address:
Here we report the isolation of heat-resistant Escherichia coli from raw milk cheeses. Detection of the heat-resistance markers clpK and orfI by PCR was followed by phenotypical confirmation of increased heat-resistance. These strains were Shiga toxin-negative and, although several were found to be multidrug resistant, no plasmids encoding extended-spectrum β-lactamases (ESBL) were found in any of the isolates.
View Article and Find Full Text PDFFEMS Microbiol Lett
August 2016
Agroscope, Institute for Food Sciences IFS, Schloss 1, 8820 Wädenswil, Switzerland
Here we present the generation and function of two sets of bacterial plasmids that harbor fluorescent genes encoding either blue, cyan, yellow or red fluorescent proteins. In the first set, protein expression is controlled by the strong and constitutive nptII promoter whereas in the second set, the strong tac promoter was chosen that underlies LacI(q) regulation. Furthermore, the plasmids are mobilizable, contain Tn7 transposons and a temperature-sensitive origin of replication.
View Article and Find Full Text PDFChimia (Aarau)
July 2016
Agroscope Institute for Food Sciences IFS Schwarzenburgstrasse 161, CH-3003 Bern, Switzerland.
The manufacture of traditional Swiss-type cheeses adheres to strict rules, so as to guarantee quality and purity of the end product. This raises production costs and means consumers pay more. It also opens the door to cut-rate forgeries claiming to be made to the stringent standards and causing considerable economic losses to the entire dairy sector.
View Article and Find Full Text PDFJ Food Prot
March 2016
Veterinary Epidemiology, Economics and Public Health Group, The Royal Veterinary College, Hawkshead Lane, North Mymms, AL9 7TA, Hatfield, UK.
Quantitative microbial risk assessment (QMRA) models are extensively applied to inform management of a broad range of food safety risks. Inevitably, QMRA modeling involves an element of simplification of the biological process of interest. Two features that are frequently simplified or disregarded are the pathogenicity of multiple strains of a single pathogen and consumer behavior at the household level.
View Article and Find Full Text PDFVet Microbiol
March 2016
Bacteriology, Department of Infectious Diseases, Faculty of Veterinary Medicine and Institute for Fundamental and Applied Research in Animal Health (FARAH), University of Liège, Sart-Tilman, Bât. 43a, B-4000 Liège, Belgium.
Staphylococcus (S.) aureus is recognised worldwide as an important pathogen causing contagious acute and chronic bovine mastitis. Chronic mastitis account for a significant part of all bovine cases and represent an important economic problem for dairy producers.
View Article and Find Full Text PDFFEMS Microbiol Lett
February 2016
Agroscope, Institute for Food Sciences IFS, 3003 Berne, Switzerland
In bacteria, cysteine can be synthesized from serine by two steps involving an L-serine O-acetyltransferase (SAT) and a cysteine synthase (CysK). While CysK is found in the publicly available annotated genome from Lactobacillus casei ATCC 334, a gene encoding SAT (cysE) is missing. In this study, we found that various strains of L.
View Article and Find Full Text PDFJ Dairy Sci
January 2016
Institute for Livestock Sciences ILS, Agroscope, Tioleyre 4, 1725 Posieux, Switzerland. Electronic address:
Condensed tannins (CT) may affect ruminal biohydrogenation of dietary polyunsaturated fatty acids. A feeding experiment was conducted with 24 Holstein cows to evaluate whether diets containing CT from different forage legumes can increase polyunsaturated fatty acids, especially n-3 fatty acid content in milk and cheese, without affecting negatively their physicochemical and sensorial properties. Cows were assigned to 4 treatment groups (n=6) for 52 d, divided into 2 periods: a control period (CoP) and an experimental period (ExP).
View Article and Find Full Text PDFJ Dairy Sci
January 2016
Agroscope, Institute for Food Sciences (IFS), Schwarzenburgstrasse 161, 3003 Berne, Switzerland. Electronic address:
Staphylococcus aureus is globally one of the most important pathogens causing contagious mastitis in cattle. Previous studies using ribosomal spacer (RS)-PCR, however, demonstrated in Swiss cows that Staph. aureus isolated from bovine intramammary infections are genetically heterogeneous, with Staph.
View Article and Find Full Text PDFJ Dairy Sci
January 2016
Agroscope, Institute for Food Sciences (IFS), Schwarzenburgstrasse 161, 3003 Berne, Switzerland. Electronic address:
Staphylococcus aureus is globally one of the most important pathogens causing contagious mastitis in cattle. Previous studies, however, have demonstrated in Swiss cows that Staph. aureus isolated from bovine intramammary infection is genetically heterogeneous, with Staph.
View Article and Find Full Text PDFJ Dairy Sci
October 2015
Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia, Sezione di Lodi, via Einstein, 26900 Lodi, Italy. Electronic address:
Staphylococcus aureus is one of the most important causes of mastitis in dairy cattle. Based on previous research, Staph. aureus genotypes with different pathogenic and contagious properties can cause intramammary infection (IMI) and coexist in the same herd.
View Article and Find Full Text PDFJ Agric Food Chem
September 2015
Agroscope, Institute for Food Sciences (IFS), Schwarzenburgstrasse 161, CH-3003 Berne, Switzerland.
To establish the odor profiles of three differently fabricated commercial Swiss Tilsit cheeses, analyses were conducted using headspace solid-phase microextraction gas chromatography-mass spectrometry/pulsed flame photometric detection and gas chromatography-olfactometry to identify and quantitate volatile compounds. In addition, odor quality and the impact of target sulfur compounds on the overall odor of the cheeses were investigated. The odor profile was found to be mainly influenced by buttery-cheesy and sulfury odor notes in all cheeses.
View Article and Find Full Text PDFOncotarget
June 2015
Institute for Food Sciences IFS, Agroscope, Federal Department of Economic Affairs, Education and Research EAER, 3003 Berne, Switzerland.
Although the prevalence of malnutrition in the old age is increasing worldwide a synthetic understanding of the impact of aging on the intake, digestion, and absorption of nutrients is still lacking. This review article aims at filling the gap in knowledge between the functional decline of the aging gastrointestinal tract (GIT) and the consequences of malnutrition on the health status of elderly. Changes in the aging GIT include the mechanical disintegration of food, gastrointestinal motor function, food transit, chemical food digestion, and functionality of the intestinal wall.
View Article and Find Full Text PDFISME J
January 2016
Federal Department of Economic Affairs, Education and Research (EAER), Agroscope, Institute for Plant Production Sciences IPS, Wädenswil, Switzerland.
Br J Nutr
June 2015
Agroscope, Institute for Food Sciences (IFS),Schwarzenburgstrasse 161,3003Bern,Switzerland.
Postprandial inflammation is an important factor for human health since chronic low-grade inflammation is associated with chronic diseases. Dairy products have a weak but significant anti-inflammatory effect on postprandial inflammation. The objective of the present study was to compare the effect of a high-fat dairy meal (HFD meal), a high-fat non-dairy meal supplemented with milk (HFM meal) and a high-fat non-dairy control meal (HFC meal) on postprandial inflammatory and metabolic responses in healthy men.
View Article and Find Full Text PDFMol Nutr Food Res
July 2015
IBET, Instituto de Biologia Experimental e Tecnológica, Oeiras, Portugal.
Various secondary plant metabolites or phytochemicals, including polyphenols and carotenoids, have been associated with a variety of health benefits, such as reduced incidence of type 2 diabetes, cardiovascular diseases, and several types of cancer, most likely due to their involvement in ameliorating inflammation and oxidative stress. However, discrepancies exist between their putative effects when comparing observational and intervention studies, especially when using pure compounds. These discrepancies may in part be explained by differences in intake levels and their bioavailability.
View Article and Find Full Text PDFClin Nutr
June 2016
Agroscope, Institute for Food Sciences IFS, Schwarzenburgstrasse 161, CH-3003, Bern, Switzerland. Electronic address:
Background & Aims: During the aging process, human physiology changes noticeably, mostly to the disadvantage of the individual. A healthy lifestyle that includes sufficient physical activity as well as a balanced and diverse diet contributes to healthy aging. One key factor that elderly people need to be aware of is compliance with nutritional recommendations.
View Article and Find Full Text PDF