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

  • Thi Bich Thuy Do*
  • , Bao Khanh Tran
  • , Thi Van Thi Tran*
  • , Trung Hieu Le*
  • , Margo Cnockaert
  • , Peter Vandamme
  • , Thi Hong Chuong Nguyen
  • , Chinh Chien Nguyen*
  • , Sung Hyun Hong
  • , Soo Young Kim*
  • , Quyet Van Le*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)33387-33394
Number of pages8
JournalACS Omega
Volume5
Issue number51
DOIs
Publication statusPublished - 2020 Dec 29

Bibliographical note

Publisher Copyright:
© 2020 The Authors. Published by American Chemical Society.

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering

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