비자나무 잎, 가지 추출물의 소수성 물질 규명 및 생리활성 탐색
Identification of hydrophobic substances and bioactivity of Torreya nucifera leaves and branches
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초록
Torreya nucifera grows wild in Korea, Japan, China, and Southern Asia. So far, various studies have been conducted on the fruit of birch trees, but studies on leaves and branches are insignificant. In this study, antioxidative activity (DPPH free radical, ABTS radical scavenging activity), total polyphenol content, and total flavonoid content of hydrophobic components were measured in leaves and branches of T. nucifera. In addition, GC/MS analysis was performed to measure the content of hydrophobic substances contained in the organic solvent extracts of T. nucifera leaves and branches. As a result of the analysis, a total of 21 components were analyzed, and 3 principal components were identified as 1,3-di-tert-butylbenzene, 2,4-di-tert-butylphenol, and α-cadinold. The organic solvent extracts of T. nucifera leaf and branch extracts contain many various substances, including a phenolic structure suitable for antioxidants. Therefore, extracts of T. nucifera leaves and branches would be suitable as skin cosmetic and hair cosmetic materials.
Abstract
Torreya nucifera grows wild in Korea, Japan, China, and Southern Asia. So far, various studies have been conducted on the fruit of birch trees, but studies on leaves and branches are insignificant. In this study, antioxidative activity (DPPH free radical, ABTS radical scavenging activity), total polyphenol content, and total flavonoid content of hydrophobic components were measured in leaves and branches of T. nucifera. In addition, GC/MS analysis was performed to measure the content of hydrophobic substances contained in the organic solvent extracts of T. nucifera leaves and branches. As a result of the analysis, a total of 21 components were analyzed, and 3 principal components were identified as 1,3-di-tert-butylbenzene, 2,4-di-tert-butylphenol, and α-cadinold. The organic solvent extracts of T. nucifera leaf and branch extracts contain many various substances, including a phenolic structure suitable for antioxidants. Therefore, extracts of T. nucifera leaves and branches would be suitable as skin cosmetic and hair cosmetic materials.
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