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首页> 外文期刊>Food science and technology research >Fatty Acid Composition and Antioxidant Activity of Groundnut (Arachis hypogaea L.)Products
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Fatty Acid Composition and Antioxidant Activity of Groundnut (Arachis hypogaea L.)Products

机译：花生（花生）产品的脂肪酸组成和抗氧化活性

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摘要

Use of groundnut products in feed and food industry has increased steadily over the past decade and produce large variety of nutrients for human and animal nutrition. The aim of the study presented in this paper was to investigate fatty acid composition and antioxidant activity in groundnut and various groundnut products. Whole kernel, oil, cake and grits of groundnut were investigated. Total fat content was extracted from the samples by supercritical fluid extraction with CO_2, and fatty acid profile was determined on gas chromatograph equipped with flame ionization detector. Most prevalent fatty acids in groundnut and groundnut products, except in groundnut oil, were C16:0, C18:2ro6, C18:l, and C18:3＜o3. All examined samples have had PUFA/SFA ratio higher than 0.4, and thus, groundnut and its products can be considered as favorable. Examined groundnut and groundnut products have had co6/w3 ratio higher than 4 (preferred ratio is less than 4), Meanwhile, whole kernel, seed oil and groundnut cake extracted by supercritical carbon dioxide contained approximately 46.3 - 81.6% unsaturated fatty acids and kerenel and fat grit showed a much stronger scavenging ability on the DPPH radical as compared to reference linoleic acid and therefore whole kernel, seed oil and groundnut cake cannot be used as the only source of fatty acids in human and animal nutrition but also as strong antioxidant agents.
机译：在过去的十年中，花生产品在饲料和食品工业中的使用稳步增长，并为人类和动物营养提供了多种营养。本文提出的研究目的是研究花生和各种花生产品中的脂肪酸组成和抗氧化活性。研究了花生的全仁，油，饼和粗砂。通过用CO_2进行超临界流体萃取从样品中提取总脂肪含量，并在配有火焰离子化检测器的气相色谱仪上测定脂肪酸谱。除花生油外，花生和花生产品中最常见的脂肪酸为C16：0，C18：2ro6，C18：l和C18：3 ＜o3。所有检查的样品的PUFA / SFA比均高于0.4，因此，花生及其产品被认为是有利的。检查的花生和花生产品的co6 / w3比大于4（优选比小于4），同时，超临界二氧化碳提取的全仁，种子油和花生饼中含有约46.3-81.6％的不饱和脂肪酸和菜籽油。与参考亚油酸相比，脂肪砂对DPPH自由基的清除能力强得多，因此，全仁，种子油和花生饼不能用作人类和动物营养中的唯一脂肪酸来源，也不能用作强抗氧化剂。

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