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KMID : 0545120180280030391
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Journal of Microbiology and Biotechnology
2018 Volume.28 No. 3 p.391 ~ p.396
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Ginsenoside-Rb2 and 20(S)-Ginsenoside-Rg3 from Korean Red Ginseng Prevent Rotavirus Infection in Newborn Mice
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Yang Hui
Oh Kwang-Hoon
Kim Hyun-Jin
Cho Young-Ho
Yoo Yung-Choon
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Abstract
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It is well known that Korean red ginseng has various biological activities. However, there is little knowledge about the antiviral activity of Korean red ginseng and its ginsenosides. In this study, we addressed whether oral administration of ginsenoside-Rb2 and -Rg3 is able to protect against rotavirus (RV) infection. The protective effect of ginsenosides against RV infection was examined using an in vivo experiment model in which newborn mice (10-dayold) were inoculated perorally (p.o.) with 1.5 × 106 plaque-forming units/mouse of RV strain SA11. When various dosages of ginsenoside-Rb2 (25-250 mg/kg) were administered 3days, 2 days, or 1 day before virus challenge, treatment with this ginsenoside at the dosage of 75 mg/kg 3days before virus infection most effectively reduced RV-induced diarrhea. In addition, consecutive administration of ginsenoside-Rb2 (75 mg/kg) at 3 days, 2 days, and 1 day before virus infection was more effective than single administration on day -3. The consecutive administration of ginsenoside-Rb2 also reduced virus titers in the bowels of RVinfected mice. In an experiment to compare the protective activity between ginsenoside-Rb2 and its two hydrolytic products (20(S)- and 20(R)-ginsenoside-Rg3), 20(S)-ginsenoside-Rg3, but not 20(R)-ginsenoside-Rg3, prevented RV infection. These results suggest that ginsenoside-Rb2 and its hydrolytic product, 20(S)-ginsenoside-Rg3, are promising candidates as an antiviral agent to protect against RV infection.
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KEYWORD
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Panax ginseng, ginsenoside-Rb2, ginsenoside-Rg3, rotavirus, diarrhea
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