KMID : 1098420070150040296
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Korean Journal of Medicinal Crop Science 2007 Volume.15 No. 4 p.296 ~ p.303
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Biological Activities and Bioactive Compounds in the Extract of Acer tegmentosum Maxim. Stem
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Hong Bo-Kyoung
Eom Seok-Hyun Kwon Yong-Soo Cho Dong-Ha Lee Chan-Ok Yu Chang-Yeon Kim Myong-Jo Lee Ji-Won Jeong Jong-Hyun Kim Jae-Kwang
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Abstract
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Acer tegmentosum (Acereaceae) has been used a source of traditional medicines for the treatment of hepatic disorders in Korea. This research was conducted to determine biofunctional activities of A. tegmentosum stem extract and to identify its bioactive components. Methanolic extract from A. tegmentosum stem was partitioned by using organic solvents, including n-hexane, ethyl acetate, n-butanol, and water. Two compounds were isolated by using an ODS column chromatography from ethyl acetate soluble fraction shown to the strongest antioxidant activity () among the fractions. The isolated compounds were analyzed by and NMR, IR, UV/VIS, MS spectrum data and identified as catechin, alcohol . The compounds have shown strong antioxidant activity, with similar activity to BHA (). Especially, alcohol was shown strong anti-lipid peroxidative activity. However, the compounds were not shown antimicrobial activities. In antimicrobial activity assays, ethyl acetate soluble fraction was effective to bacterial inhibition, such as Escherichia coli and Klebsiella pneumonia, with minimum inhibitory concentrations in . Otherwise, antifungal activity against Candida albicans was shown in n-hexane soluble fraction exhibiting of minimum inhibitory concentration. In anticomplementary activity assays, water soluble fraction was the most effective exhibiting 24% inhibitory activity.
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KEYWORD
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Acer tegmentosum, anticomplement activity, antimicrobial activity, DPPH free radical scavenging activity, ferric thioxyanate method
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