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Article Publish Status: FREE
Abstract Title:

Probiotic characteristics of Lactobacillus plantarum E680 and its effect on Hypercholesterolemic mice.

Abstract Source:

BMC Microbiol. 2020 Aug 4 ;20(1):239. Epub 2020 Aug 4. PMID: 32753060

Abstract Author(s):

Zhi-Yao Zheng, Fei-Wei Cao, Wei-Jun Wang, Jing Yu, Chen Chen, Bo Chen, Jian-Xin Liu, Jenni Firrman, John Renye, Da-Xi Ren

Article Affiliation:

Zhi-Yao Zheng

Abstract:

BACKGROUND: Probiotics have been reported to reduce total cholesterol levels in vitro, but more evidence is needed to determine the clinical relevance of this activity. Chinese traditional fermented pickles are a good source of lactic acid bacteria. Therefore, pickle samples were collected for screening lactic acid bacteria based on their ability to survive stresses encountered during gastrointestinal passage and cholesterol reducing potency.

RESULTS: Seventy five lactic acid bacteria strains were isolated from 22 fermented pickles. From these bacteria, Lactobacillus plantarum E680, showed the highest acid (85.25%) and bile tolerance (80.79%). It was sensitive to five of the eight antibiotics tested, inhibited the growth of four pathogenic bacteria, and reduced the total cholesterol level by 66.84% in broth culture. In vivo testing using hypercholesterolemic mice fed high-fat emulsion, independent of food intake, found that L. plantarum E680 suppressed body weight gain and reduced total cholesterol and low-density lipoprotein cholesterol levels, with no effect on high-density lipoprotein cholesterol.

CONCLUSIONS: Chinese traditional fermented pickles are a good source for probiotics. L. plantarum E680, isolated from pickles, was acid and bile tolerant, sensitive to antibiotics, and reduced cholesterol levels both in vitro and in vivo. Based on these results, L. plantarum E680 may have potential as a novel probiotic for the development of cholesterol-lowering functional food.

Study Type : Animal Study

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