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Food Funct


Title:Volatilome changes during probiotic fermentation of combined soy and rice drinks
Author(s):Nissen L; Casciano F; Gianotti A;
Address:"CIRI-CIRI-Interdepartmental Centre of Agri-Food Industrial Research, Alma Mater Studiorum - University of Bologna, P.za G. Goidanich 60, 47521 Cesena, Italy. lorenzo.nissen@unibo.it"
Journal Title:Food Funct
Year:2021
Volume:20210317
Issue:7
Page Number:3159 - 3169
DOI: 10.1039/d0fo03337e
ISSN/ISBN:2042-650X (Electronic) 2042-6496 (Linking)
Abstract:"Plant-based drinks as a substitute for animal milk consumption are crucial products in the food industry. Soy and rice drinks are the most successful milk substitutes but are low in fiber and protein contents, respectively, whilst being rich in sugars. Generally, an improvement is foreseen; thus, apart from supplement addition, a natural occurring strategy is functionalizing the drinks by beneficial bacteria fermentation. The aim of this work is to develop novel plant-based drinks assessing different mixtures of soy and rice milks fermented with single or multi-strain probiotics (Lactobacillus fermentum, L. plantarum, L. helveticus, Bifidobacterium bifidum, and B. longum). The drinks were characterized to study bacterial performances, by means of culture-dependent and -independent techniques, and their volatilome, by means of solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS) analysis. Through multivariate analysis, these features were investigated and correlated to define accurate descriptors of the produced functional drinks. The results showed that combined drinks and multi-strain fermentation generated higher-value products. For example, combined drinks in comparison with single ones had a lower amount of toxic 2-acetyl-3,5-dimethylfuran and higher abundances of desirable compounds such as 2-butanone, 3-hydroxy and butanoic acid. Multivariate analysis of volatile metabolites and physiological parameters could offer a novel approach to assess the quality of functional plant-based drinks and result in a decisional tool for industrial applications"
Keywords:*Beverages Fermentation *Food Microbiology Humans *Milk Substitutes *Oryza *Probiotics *Soybeans Volatile Organic Compounds;
Notes:"MedlineNissen, Lorenzo Casciano, Flavia Gianotti, Andrea eng England 2021/03/18 Food Funct. 2021 Apr 7; 12(7):3159-3169. doi: 10.1039/d0fo03337e. Epub 2021 Mar 17"

 
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