Isolation, identification, and fermentation characteristics of endogenous lactic acid bacteria derived from edible mushrooms

Abstract A total of 83 acid-producing strains were isolated from fresh Lentinus edodes, Pleurotus eryngii, Flammulina velutipes, Agaricus bisporus, Pleurotus ostreatus, Pleurotus djamor, Pleurotus abalones, and Pleurotus citrinopileatus by CaCO3-MRS plate medium. These 83 strains were divided into 9...

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Bibliographic Details
Published in:Ciência e tecnologia de alimentos 2023, Vol.43
Main Authors: NIE, Yuanyang, LI, Wenhao, AL-MAQTARI, Qais Ali, NAN, Haijuan, LI, Bo
Format: Article
Language:eng ; por
Subjects:
FOOD SCIENCE & TECHNOLOGY
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Summary:Abstract A total of 83 acid-producing strains were isolated from fresh Lentinus edodes, Pleurotus eryngii, Flammulina velutipes, Agaricus bisporus, Pleurotus ostreatus, Pleurotus djamor, Pleurotus abalones, and Pleurotus citrinopileatus by CaCO3-MRS plate medium. These 83 strains were divided into 9 species, including 52 strains of Lactococcus lactis, 13 strains of Pediococcus pentosaceus, 8 strains of Enterococcus faecium, 3 strains of Lactococcus garvieae, 2 strains of Enterococcus casseliflavus, 2 strains of Lactobacillus plantarum, 1 strain of Enterococcus lactis, 1 strain of Pediococcus acidilactici, and 1 strain of Lactobacillus pentosus based on the catalase test, Gram staining, and 16S rDNA molecular identification. Among these P. acidilactici, P. pentosus, and L. plantarum could be used in food. P. acidilactici had a strong acid-producing capacity and fast growth rate, thus showing preferable fermentation characteristics in MRS broth and edible mushroom medium than P. pentosus and L. plantarum. In the medium of L. edodes, P. eryngii, and F. velutipes, the best sensory state can be reached within 12-24 h, among them P. eryngii had the best fermentation effect, which was characterized by uniform and bright color, moderate acidity, good flavor, and tight tissue state. This study investigated the types and fermentation characteristics of lactic acid bacteria (LAB) derived from edible mushrooms, enriched the resources of LAB suitable for the fermentation, and provided a theoretical reference for the application of LAB fermentation technology of edible mushrooms.
ISSN:0101-2061
1678-457X
1678-457X
DOI:10.1590/fst.129122