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KMID : 0604520190450030255
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Journal of the Society of Cosmetic Scientists of Korea
2019 Volume.45 No. 3 p.255 ~ p.263
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Antimelanogenic Effect of Isomaltol Glycoside from Red Ginseng Extract
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Lee Sang-Myung
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Abstract
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Isomaltol glycoside is a hydrophilic furanic glycoside in which the amino acids and sugars of ginseng are thermally denatured during red ginseng production. Various skin whitening tests were conducted on isomaltol glycoside containing a lot of red ginseng extract in order to investigate the skin whitening effect as a cosmetic raw material.
We have tested melanin content assay in B16-F10 cells, zebrafish embryo pigmentation assay, mushroom tyrosinase inhibitory activity, western blot analysis to determine skin whitening activity of isomaltol glycosides. In the zebrafish melanin content assay, isomaltol glycoside decreased total melanin content by about 20% and zebrafish tyrosinase activity by about 10% after treatment with 50 and 100 μg/mL compared to the untreated control group. Isomaltol glycoside also showed a concentration-dependent decrease in melanin content in B16-F10 melanoma. Furthermore, it increased the expression of MITF phosphorylation factors p-AKT and p-ERK in B16-F10 melanoma and decreased the concentration of MITF. It also inhibited tyrosinase, TRP-1 and TRP-2 expression. The content of isomaltol glycoside was about 3% in the ginseng extract and about 1% in the ginseng root. Thus, isomaltol glycoside is considered as one of the main components that exhibit the whitening activity of ginseng when considered quantitatively as whitening activity.
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KEYWORD
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skin whitening, antimelanogenesis, isomaltol glycoside, Red ginseng
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