Antioxidant Phenolic Compounds of Cassava (Manihot esculenta) from Hainan

文献类型： 外文期刊

第一作者： Yi, Bo

作者： Yi, Bo;Wei, Xiaoyi;Hu, Lifei;Mei, Wenli;Zhou, Kaibing;Wang, Hui;Luo, Ying;Dai, Haofu;Yi, Bo;Yi, Bo

作者机构：

关键词： Manihot esculenta;isolation;phenolic compounds;DPPH;ABTS;antioxidant activity

期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）

ISSN： 1420-3049

年卷期： 2011 年 16 卷 12 期

页码：

收录情况： SCI

摘要： An activity-directed fractionation and purification process was used to isolate antioxidant components from cassava stems produced in Hainan. The ethyl acetate and n-butanol fractions showed greater DPPH. and ABTS.(+) scavenging activities than other fractions. The ethyl acetate fraction was subjected to column chromatography, to yield ten phenolic compounds: Coniferaldehyde (1), isovanillin (2), 6-deoxyjacareubin (3), scopoletin (4), syringaldehyde (5), pinoresinol (6), p-coumaric acid (7), ficusol (8), balanophonin (9) and ethamivan (10), which possess significant antioxidant activities. The relative order of DPPH. scavenging capacity for these compounds was ascorbic acid (reference) > 6 > 1 > 8 > 10 > 9 > 3 > 4 > 7 > 5 > 2, and that of ABTS.(+) scavenging capacity was 5 > 7 > 1 > 10 > 4 > 6 > 8 > 2 > Trolox (reference compound) > 3 > 9. The results showed that these phenolic compounds contributed to the antioxidant activity of cassava.

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