Antioxidative compounds in extracts of Acer ginnala max = 신나무 추출물의 항산화 활성물질

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Title
Antioxidative compounds in extracts of Acer ginnala max = 신나무 추출물의 항산화 활성물질
Author(s)
Seong Soo Han; Seog Cho Lo; Yong Hwa Choi; Myong Jo Kim; Sang Soo Kwak
Bibliographic Citation
Korean Journal of Medicinal Crop Science, vol. 7, no. 1, pp. 51-57
Publication Year
1999
Abstract
To search for antioxidative compounds from plant resources, methanol extracts of 45 plant species were investigated using DPPH method. The highest activity was shown in the methanol extract of Acer ginnala(RC50 : 15μg), followed by Stewartia koreana(RC50:28μg) and Carpinus laxiflora(RC50:33μg). Two antioxidative compounds were isolated from the methanolic extract of Acer ginnala Max and identified as acertannin(2, 6-di-O-galloyl-1, 5-anhydro-D-glucitol) and gallicin (methyl-3, 4, 5-trihydroxybenzoic acid) on the basis of mass spectroscopy, 1H?and 13C?NMR data. The DPPH free radical scavenging activities of acertannin(RC50:3.5μg) and gallicin(RC50:2.8μg) were more effective than those of BHA(RC50:14μg) and α?tocopherol (RC50:12μg).
Keyword
antioxidative compoundsacer ginnala Max.acertanningallicin
ISSN
I000-0107
Publisher
Korea Soc-Assoc-Inst
Type
Article
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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