Characterization and Antioxidant Activity of Released Exopolysaccharide from Potential Probiotic Leuconostoc mesenteroides LM187

Zhang Qing; Wang Jie; Sun Qing; Zhang Shu-Ming; Sun Xiang-Yang; Li Chan-Yuan; Zheng Miao-Xin; Xiang Wen-Liang; Tang Jie

doi:10.4014/jmb.2103.03055

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자료유형: 학술저널

저자정보: Zhang Qing (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Wang Jie (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Sun Qing (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Zhang Shu-Ming (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Sun Xiang-Yang (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Li Chan-Yuan (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Zheng Miao-Xin (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Xiang Wen-Liang (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61) Tang Jie (Key Laboratory of Food Biotechnology College of Food and Bioengineering Xihua University Chengdu 61)

저널정보: 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제31권 제8호

발행연도: 2021.8

수록면: 1,144 - 1,153 (10page)

DOI: 10.4014/jmb.2103.03055

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A released exopolysaccharide (rEPS)-producing strain (LM187) with good acid resistance, bile salt resistance, and cholesterol-lowering properties was isolated from Sichuan paocai and identified as Leuconostoc mesenteroides subsp. mesenteroides. The purified rEPS, designated as rEPS414, had a uniform molecular weight of 7.757 × 105 Da. Analysis of the monosaccharide composition revealed that the molecule was mainly composed of glucose. The Fourier transform-infrared spectrum showed that rEPS414 contained both α-type and β-type glycosidic bonds. 1H and 13C nuclear magnetic resonance spectra analysis showed that the purified rEPS contained arabinose, galactose, and rhamnose, but less uronic acid. Scanning electron microscopy demonstrated that the exopolysaccharide displayed a large number of scattered, fluffy, porous cellular network flake structures. In addition, rEPS414 exhibited strong in vitro antioxidant activity. These results showed that strain LM187 and its rEPS are promising probiotics with broad prospects in industry.

#Characterization #released exopolysaccharide #Leuconostoc mesenteroides #antioxidant

참고문헌 (44)

참고문헌 신청

LeBlanc JG / 2013 / Bacteria as vitamin suppliers to their host : a gut microbiota perspective / Curr. Opin. Biotechnol 24:160~168

Zhu Y / 2019 / Exopolysaccharides produced by yogurt-texture improving lactobacillus plantarum RS20D and the immunoregulatory activity / Int. J. Biol. Macromol 121:342~349

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Jin H / 2019 / Isolation and characterization of high exopolysaccharide-producing Weissella confusa VP30 from young children’s feces / Microb. Cell Fact 18:110

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Zhang Qing

소속기관 Schools of Life Sciences, Anhui Agricultural University, Hefei 230036, P.R. ChinaNational Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 2300

주요연구분야 자연과학 > 생물학

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Wang Jie