Andressa Cunha Lemos, Verônica Simões de Borba, Priscila Tessmer Scaglioni, Eliana Badiale-Furlong
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引用次数: 0
Abstract
This study investigates bioaccessibility and permeation capacity of group B trichothecenes in bread by different parameters of fermentation and baking times. Variables of the experimental design were first fermentation time, second fermentation time and baking time. Results showed that 120-min baking in the 2nd fermentation reduced Nivalenol (NIV), 15-acetyl-deoxynivalenol (15-AcDON) and deoxynivalenol-3-glucoside (DON-3G), whereas 30-min baking increased NIV. In the gastric stage, Deoxynivalenol (DON) and 3-acetyl-deoxynivalenol (3-AcDON) bioaccessibility increased, while DON-3G and 15-AcDON were undetected. In the intestinal stage, high DON-3G levels were detected, but NIV was undetected. Bioaccessible 15-AcDON was correlated with the 1st fermentation time. Permeation rates were 100 % and 91 % in the cases of DON and DON-3G, respectively. This study reinforced the interconvertibility of group B trichothecene forms during bread making and digestion. Merely assessing contaminant concentrations in the final product is not suitable to reflect trichothecene exposure.
期刊介绍:
Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.