Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/69627
標題: Identification of Methanol-Soluble Compounds in Sesame and Evaluation of Antioxidant Potential of Its Lignans
作者: Kuo, P.C.
Lin, M.C.
Chen, G.F.
Yiu, T.J.
Tzen, J.T.C.
期刊/報告no:: Journal of Agricultural and Food Chemistry, Volume 59, Issue 7, Page(s) 3214-3219.
摘要: The methanol extract of sesame (Sesamum indicum) seeds was fractionated and purified with the assistance of conventional column chromatography to afford 29 compounds including seven furofuran lignans. Among these isolates, (+)-samin (1) was obtained from the natural source for the first time. In addition, (-)-asarinin (30) and sesamol (31) were generated by oxidative derivation from (+)-sesamolin (2) and (+)-sesamin (3), two abundant lignans found in sesame seeds. To evaluate their in vitro antioxidant potential, the seven isolated lignans (1-7) and the two derivatives (30 and 31) were examined for the scavenging activities on DPPH free radicals and superoxide anions. Moreover, the capability of chelating ferrous ions and reducing power of these sesame lignans were also measured. The results suggest that, besides the well-known sesamolin and sesamin, the minor sesame lignans (+)-(7S,8'R,8R)-acuminatolide (5), (-)-piperitol (6), and (+)-pinoresinol (7) are also adequate active ingredients and may be potential sources for nutritional and pharmacological utilization.
URI: http://hdl.handle.net/11455/69627
ISSN: 0021-8561
文章連結: http://dx.doi.org/10.1021/jf104311g
Appears in Collections:期刊論文

文件中的檔案:

取得全文請前往華藝線上圖書館



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.