In vitro comparison of antioxidant capacity of cumin (Cuminum cyminum L.) oils and their main components

文献类型： 外文期刊

第一作者： Chen, Qinqin

作者： Chen, Qinqin;Gan, Zhilin;Zhao, Jinhong;Zhang, Shuming;Li, Jingming;Ni, Yuanying;Chen, Qinqin;Wang, Yun

作者机构：

关键词： Cumin;DPPH radical;beta-Carotene-linoleic acid emulsion system;IC50 value;Kinetic rate

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：4.952； 五年影响因子：5.383 ）

ISSN： 0023-6438

年卷期： 2014 年 55 卷 2 期

页码：

收录情况： SCI

摘要： The antioxidant activities of beta-pinene, p-cymene, gamma-terpinene, cuminaldehyde and cumin oils (cumin oleoresin/COR, cumin essential oil/CEO, distillation residue/DR and distillate condensed from cold trap/ CT) were investigated in the present study. IC50 values and kinetics rates were used to evaluate the efficiency of tested samples in scavenging the allcylperoxyl radical generated in the beta-carotene-linoleic acid system and the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH.). In kinetic approach, antioxidant activities of tested samples were expressed as the rate of beta-carotene bleaching (R(beta-carotene)) and DPPH. scavenging (R-(DPPH)), respectively. The order of antioxidant activities of cumin oils was DR = COR > CEO > CT. gamma-Terpinene exhibited lower R(beta-carotene) value and the lowest IC50(beta-carotene) value, which indicated the stronger response in alkylperoxyl radical scavenging. The R-2(DPPH) values for gamma-terpinene, followed by DR and COR, showed high response in scavenging DPPH., with IC50 values of 22.73, 6.72, 8.53 mg/ml, respectively. The most efficient antioxidant compounds in cumin oils appeared to be gamma-terpinene. (C) 2013 Elsevier Ltd. All rights reserved.

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