Decoding the Capability of Lactobacillus plantarum W1 Isolated from Soybean Whey in Producing an Exopolysaccharide

This study aims at producing exopolysaccharides (EPS) from a lactic acid bacterial strain. The soybean whey-isolated Lactobacillus plantarum W1 (EPS-W1), which belongs to genus Lactobacillus, is identified using the phenylalanyl-tRNA sequencing method. Of all the examined strains, R-49778 (as number...

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Bibliographic Details
Published in:ACS omega 2020-12, Vol.5 (51), p.33387-33394
Main Authors: Do, Thi Bich Thuy, Tran, Bao Khanh, Tran, Thi Van Thi, Le, Trung Hieu, Cnockaert, Margo, Vandamme, Peter, Nguyen, Thi Hong Chuong, Nguyen, Chinh Chien, Hong, Sung Hyun, Kim, Soo Young, Van Le, Quyet
Format: Article
Language:English
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Summary:This study aims at producing exopolysaccharides (EPS) from a lactic acid bacterial strain. The soybean whey-isolated Lactobacillus plantarum W1 (EPS-W1), which belongs to genus Lactobacillus, is identified using the phenylalanyl-tRNA sequencing method. Of all the examined strains, R-49778 (as numbered by BCCM/LMG Bacteria Collection, Ghent University, Belgium) showed the highest capability of producing exopolysaccharides. Structural characterization revealed a novel exopolysaccharide consisting of repeating units of →6)-d-Glcp-(1→; →3)-d-Manp-(1→; →3)-d-Glcp-(1→ and a branch of →6)-d-Manp-(1→; →2)-d-Glcp-(1→. This discovery opens up avenues for the production of EPS for food industries, functional foods, and biomedical applications.
ISSN:2470-1343
2470-1343
DOI:10.1021/acsomega.0c05256