Structural Analysis of Gluco-Oligosaccharides Produced by Leuconostoc lactis and Their Prebiotic Effect
- Authors
- Lee, Sulhee; Park, Jisun; Jang, Jae-Kweon; Lee, Byung-Hoo; Park, Young-Seo
- Issue Date
- Nov-2019
- Publisher
- MDPI
- Keywords
- prebiotics; probiotics; oligosaccharides; lactic acid bacteria; NMR
- Citation
- MOLECULES, v.24, no.21
- Journal Title
- MOLECULES
- Volume
- 24
- Number
- 21
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/17994
- DOI
- 10.3390/molecules24213998
- ISSN
- 1420-3049
- Abstract
- Leuconostoc lactis CCK940, which exhibits glycosyltransferase activity, produces oligosaccharides using sucrose and maltose as donor and receptor molecules, respectively. The oligosaccharides produced were purified by Bio-gel P2 chromatography and the purified oligosaccharides (CCK-oligosaccharides) consisted of only glucose. H-1-NMR analysis revealed that the CCK-oligosaccharides were composed of 77.6% alpha-1,6 and 22.4% alpha-1,4 glycosidic linkages, and the molecular weight of the CCK-oligosaccharides was found to be 9.42 x 10(2) Da. To determine the prebiotic effect of the CCK-oligosaccharides, various carbon sources were added in modified media. Growth of six probiotic strains, Lactobacillus casei, L. pentosus, L. plantarum, Weissella cibaria, Bifidobacterim animalis, and Saccharomyces cerevisiae, was better when the CCK-oligosaccharides were used as the sole carbon source compared to fructo-oligosaccharides, which are widely used as prebiotics. These results showed that the CCK-oligosaccharides produced from Leu. lactis CCK940 could serve as good candidates for novel prebiotics.
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