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KMID : 0352720170410040524
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Journal of Ginseng Research
2017 Volume.41 No. 4 p.524 ~ p.530
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Evaluation of ginsenoside bioconversion of lactic acid bacteria isolated from kimchi
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Park Bo-Yeon
Hwang Hye-Lyeon
Lee Jin-A
Sohn Sung-Oh
Lee Se-Hee
Jung Min-Young
Lim Hyeong-In
Park Hae-Woong
Lee Jong-Hee
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Abstract
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Background: Panax ginseng is a physiologically active plant widely used in traditional medicine that is characterized by the presence of ginsenosides. Rb1, a major ginsenoside, is used as the starting material for producing ginsenoside derivatives with enhanced pharmaceutical potentials through chemical, enzymatic, or microbial transformation.
Methods: To investigate the bioconversion of ginsenoside Rb1, we prepared kimchi originated bacterial strains Leuconostoc mensenteroides WiKim19, Pediococcus pentosaceus WiKim20, Lactobacillus brevis WiKim47, Leuconostoc lactis WiKim48, and Lactobacillus sakei WiKim49 and analyzed bioconversion products using LC-MS/MS mass spectrometer.
Results: L. mesenteroides WiKim19 and Pediococcus pentosaceus WiKim20 converted ginsenoside Rb1 into the ginsenoside Rg3 approximately five times more than Lactobacillus brevis WiKim47, Leuconostoc lactis WiKim48, and Lactobacillus sakei WiKim49. L mesenteroides WIKim19 showed positive correlation with β-glucosidase activity and higher transformation ability of ginsenoside Rb1 into Rg3 than the other strains whereas, P. pentosaceus WiKim20 showed an elevated production of Rb3 even with lack of β-glucosidase activity but have the highest acidity among the five lactic acid bacteria (LAB).
Conclusion: Ginsenoside Rg5 concentration of five LABs have ranged from ∼2.6 μg/mL to 6.5 μg/mL and increased in accordance with the incubation periods. Our results indicate that the enzymatic activity along with acidic condition contribute to the production of minor ginsenoside from lactic acid bacteria.
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KEYWORD
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ginsenoside bioconversion, ginsenoside Rg3, ginsenoside Rg5, LC-MS/MS
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