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KMID : 1189420100230030011
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Journal of Korean Oriental Medical Ophthalmology & Otolaryngology & Dermatology
2010 Volume.23 No. 3 p.11 ~ p.32
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Effects of Dendrobii herba and Punica granatum Extract on the Anti-oxidant, Anti-inflammatory, Anti-wrinkle and Whitening
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HwangBo Min
Roh Seok-Sun
Seo Hyung-Sik
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Abstract
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Objective:The aim of this study is to determine the effects of Dendrobii herba extract and Punica granatum extract on skin disease and skin beauty.
Methods: To investigate in vitro anti-oxidant activity assay, ethanol extracts of medicinal plants tested by DPPH radical, xanthine oxidase activity. In the next experiment, to investigate anti-inflammatory activity assay, examined by relations in NO synthesis, IL-β, IL-6, TNF-α, NF-xB, COX-2, MAP kinase. To study Skin wrinkle formation effect, we were examined by tyrosinase activities, melanin synthesis in MNT-1 cell.
Results:1. In an anti-oxidant test, Dendrobii and Punica granatum extract showed high radical scavenging activity. 2. In an anti-inflammatory test, Dendrobii herba and Punica granatum extract weakly inhibited the lipopolysaccharide(LPS)-induced nitric oxide(NO) release from RAW 246.7 macrophage cells. Dendrobii herba and Punica granatum extract also inhibited LPS-induced IL-1β and COX-2 expressions. The inhibitory effect of Dendrobii herba and Punica granatum extract on macrophage activation were via the inhibition of NF-xB, evidenced by transient transfection assay. however, Dendrobii herba and Punica granatum extract did not have any effects about activation of Jun-N-terminal kinase(JNK) and inhibition of p38 MAP kinase in RAW 264.7 cells. 3. In the skin wrinkle formation assay, Dendrobii herba and Punica granatum extract weakly inhibited collagenase and elastase, however it was not statistically significant. 4. In the skin whitening assay, Dendrobii herba and Punica granatum extract weakly inhibited tyrosinase activity, however, it was not statistically significant. They did not have any effect on melanin synthesis, indicating that they could not be applicable for skin whitening.
Conslusion: Dendrobii herba extract and Punica granatum extract may play a significant role in skin disease and skin beauty.
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KEYWORD
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endrobii herba extract, Punica granatum extract, skin disease, skin beauty, anti-inflammatory, collargenase, elastase, tyrosinase, MAP kinase
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