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Effects of high-pressure carbon dioxide on microbial quality and germination of cereal grains and beans
Download2021-09-01
Fang, Yuan, Franke, Claudia, Manthei, Alina, McMullen, Lynn, Temelli, Feral, Gänzle, Michael G.
Decontamination of low aw foods without impairing the food quality is challenging, particularly for sprouting seeds. This study aimed to explore the lethality of high pressure carbon dioxide (HPCD) to Salmonella enterica, E. coli AW1.7, A. niger, P. roquforti, and Fusarium on beans, cereal...
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Effects of nisin and reutericyclin on resistance of endospores of Clostridium spp. to heat and high pressure
Download2013-05-01
Hofstetter, Simmon, Gebhardt, David, Ho, Linda, Gänzle, Michael G., McMullen, Lynn M.
The effects of high pressure, temperature, and antimicrobial compounds on endospores of Clostridium spp. were examined. Minimal inhibitory concentrations (MIC) of nisin and reutericyclin were determined for vegetative cells and endospores of Clostridium sporogenes ATCC 7955, Clostridium...
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Environmental particulate matter induces murine intestinal inflammatory responses and alters the gut microbiome
Download2013-01-01
Thiesen, Aducio, Rioux, Kevin P., Tso, Robert, Kish, Lisa, Barkema, Herman W., Madsen, Karen L., Vincent, Renaud, Wine, Eytan, Kaplan, Gilaad G., Hotte, Naomi, Gänzle, Michael G.
Background Particulate matter (PM) is a key pollutant in ambient air that has been associated with negative health conditions in urban environments. The aim of this study was to examine the effects of orally administered PM on the gut microbiome and immune function under normal and inflammatory...
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2014-01-01
Enzymatic and microbial conversion of flour components during bread making determines bread quality. Metabolism of sourdough microbiota and the activity of cereal enzymes are interdependent. Acidification, oxygen consumption, and thiols accumulation by microbial metabolism modulate the activity...
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2021-05-01
Christina Müller, Denise, Nguyen, Ha, Li, Qing, Schönlechner, Regine, Miescher Schwenninger, Susanne, Wismer, Wendy, Gänzle, Michael G.
A standard level of sugar addition to bread is 2% (flour base) but sweet baked goods including hamburger buns, hot dog buns and some sandwich bread contain more than 10% sucrose. This study aimed to provide an integrated assessment of different strategies for sugar-reduced bread by using...
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Evolution of sourdough microbiota in spontaneous sourdoughs started with different plant materials
Download2016-01-01
Ripari, Valery, Gänzle, Michael G., Berardi, Enrico
The preparation of sourdough in bakeries may include the use of inocula, e.g. fruits, flowers or rumen cuts to accelerate the process of selection of suitable microorganisms. The aim of this work was to investigate the effect of these inocula on the microbial evolution in sourdoughs. First, the...
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Exploiting synergies of sourdough and antifungal organic acids to delay fungal spoilage of bread
Download2018-01-01
Quattrini, Mattia, Liang, Nuanyi, Fortina, Maria Grazia, Xiang, Sheng, Curtis, Jonathan M., Gänzle, Michael G.
Fungal spoilage of bread remains an unsolved issue in bread making. This work aims to identify alternative strategies to conventional preservatives in order to prevent or delay fungal spoilage of bread. The minimum inhibitory concentration (MIC) of bacterial metabolites and chemical preservatives...
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Extraction and fractionation of phenolic acids and glycoalkaloids from potato peels using acidified water/ethanol-based solvents
Download2014-01-01
Maldonado, Alma Fernanda Sanchez, Mudge, Elizabeth, Gänzle, Michael G., Schieber, Andreas
Potato processing generates potato peels as byproducts. Methanolic extracts from the peels result in mixtures of phenolic acids and glycoalkaloids. Phenolic acids have potential for food applications owing to their antioxidant and antibacterial properties. However, when extracted from potatoes,...
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Food fermentations for improved digestibility of plant foods - an essential ex situ digestion step in agricultural societies?
Download2021-01-05
The fermentation of plant foods detoxifies and eliminates compounds that are inherently present in grains and legumes and have antinutritive properties, including cyanogenic glycosides, vicine and convicine, phytate, phenolic compounds, immune-reactive proteins and fermentable oligosaccharides,...
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Formation of taste-active amino acids, amino acid derivatives and peptides in food fermentations – A review
Download2016-11-01
Zhao, Cindy J., Schieber, Andreas, Gänzle, Michael G.
Fermented foods are valued for their rich and complex odour and taste. The metabolic activity of food-fermenting microorganisms determines food quality and generates odour and taste compounds. This communication reviews the formation of taste-active amino acids, amino acid derivatives and...