Evaluation of acrylamide‐removing properties of bacterial consortia under simulated gastrointestinal conditions

BACKGROUND Previous studies have demonstrated the acrylamide‐removing properties of probiotic monocultures; however, potential advantages of consortia over monocultures in reducing the dietary exposure to acrylamide have not been proven. Hence this work aims to assess the acrylamide (AA)‐binding pro...

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Bibliographic Details
Published in:Journal of the science of food and agriculture 2021-09, Vol.101 (12), p.5049-5055
Main Authors: Torres‐Gregorio, Margarita, Santiago‐López, Lourdes, Vallejo‐Cordoba, Belinda, González‐Córdova, Aarón F, Garcia, Hugo Sergio, Hernandez‐Mendoza, Adrián
Format: Article
Language:English
Subjects:
Acrylamide
Bacteria
Binding
Consortia
Diet
duodenal microbiota
Evaluation
Exposure
gastrointestinal condition, acrylamide
Microbiota
Monoculture
Probiotics
Strains (organisms)
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Summary:BACKGROUND Previous studies have demonstrated the acrylamide‐removing properties of probiotic monocultures; however, potential advantages of consortia over monocultures in reducing the dietary exposure to acrylamide have not been proven. Hence this work aims to assess the acrylamide (AA)‐binding properties of bacterial consortia, consisting of either probiotic strains and / or representative bacteria of duodenal microbiota, exposed to simulated gastrointestinal conditions (SGC). The AA binding capacity of ten probiotic strains (PS) and six duodenal strains (NDS) was evaluated under different conditions; then, three different consortia (PS, NDS, and PS + NDS) were assessed under SGC. RESULTS Among individual PS, Bacillus coagulans GBI‐30, Lactobacillus fermentum J23, L. pentosus J37 and J24, and L. casei Shirota, exhibited the highest AA‐binding capacity (80–87%), while Bifidobacterium catenulatun ATCC27676, Streptococcus salivarius subsp. thermophilus ATCC19258, and S. gallolyticus ATCC9809 were the best (ca. 68%) NDS monocultures. Probiotic strain consortia showed higher (P  90%) than monoculture bacteria. Conversely, individual NDS cultures displayed higher (P 
ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.11149