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KMID : 0352720210450060631
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Journal of Ginseng Research
2021 Volume.45 No. 6 p.631 ~ p.641
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Whitening and inhibiting NF-κB-mediated inflammation properties of the biotransformed green ginseng berry of new cultivar K1, ginsenoside Rg2 enriched, on B16 and LPS-stimulated RAW 264.7 cells
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Xu Xing Yue
Yi Eun-Seob
Kang Chang-Ho
Liu Ying
Lee Yeong-Geun
Choi Han-Sol
Jang Hyun-Bin
Huo Yue
Baek Nam-In
Yang Deok-Chun
Kim Yeon-Ju
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Abstract
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Background: Main bioactive constituents and pharmacological functions of ripened red ginseng berry (Panax ginseng Meyer) have been frequently reported. Yet, the research gap targeting the beneficial activities of transformed green ginseng berries has not reported elsewhere.
Methods: Ginsenosides of new green berry cultivar K-1 (GK-1) were identified by HPLC-QTOF/MS. Ginsenosides bioconversion in GK-1 by bgp1 enzyme was confirmed with HPLC and TLC. Then, mechanisms of GK-1 and β-glucosidase (bgp1) biotransformed GK-1 (BGK-1) were determined by Quantitative Reverse Transcription-Polymerase Chain Reaction and Western blot.
Results: GK-1 possesses highest ginsenosides especially ginsenoside-Re amongst seven ginseng cultivars including (Chunpoong, Huangsuk, Kumpoong, K-1, Honkaejong, Gopoong, and Yunpoong). Ginseng root’s biomass is not affected with the harvest of GK-1 at 3 weeks after flowering period. Then, Re is bio-converted into a promising pharmaceutical effect of Rg2 via bgp1. According to the results of cell assays, BGK-1 shows decrease of tyrosinase and melanin content in α-melanocyte-stimulating hormone challenged-murine melanoma B16 cells. BGK-1 which is comparatively more effective than GK-1 extract shows significant suppression of the nuclear factor (NF)-κB activation and inflammatory target genes, in LPS-stimulated RAW 264.7 cells.
Conclusion: These results reported effective whitening and anti-inflammatory of BGK-1 as compared to GK-1.
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KEYWORD
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Anti-inflammation, β-glucosidase (bgp1), Ginsenosides, Ginseng cultivar K-1, Whitening
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