버드나무 속 식물 추출물의 항산화, 항염 및 콜라게나제 저해 활성 연구 = Studies on Antioxidant, Anti-Inflammation, and Collagenase Inhibitory Effects of Extracts from Plants of The Salix genus

다국어 초록 (Multilingual Abstract)

This study was carried out to evaluate the possibility of willow plants (the genus Salix) as a cosmetic material. DPPH radical scavenging abilities of 70% ethanol extracts of S. gracilistyla, S. pseudolasiogyne, and S. koriyanagi were significantly increased compared to control. In addition, the treatment of three species of willow plant extracts significantly inhibited the production of nitric oxide (NO) in RAW 264.7 cells, indicating that they had anti-inflammatory activity, and all of them had collagenase inhibitory activity. Among them, the extracts of S. gracilistyla extracts exhibited the highest collagenase inhibitory activity. As a result of analyzing the collagenase inhibitory activity against the solvent fraction of S. gracilistyla extracts, water and butanol fractions showed the highest collagenase inhibitory activity. These results suggested that S. gracilistyla among the willow plants had high collagenase inhibitory activity, and thus it can be utilized for cosmetics as an effective functional cosmetic material in the future.

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