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首页> 外文期刊>Journal of the American Oil Chemists' Society >Variation in Fatty Acid Compositions, Oil Content and Oil Yield in a Germplasm Collection of Sesame (Sesamum indicum L.)
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Variation in Fatty Acid Compositions, Oil Content and Oil Yield in a Germplasm Collection of Sesame (Sesamum indicum L.)

机译：芝麻种质中脂肪酸组成，含油量和产油率的变化

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摘要

The variation in oil content, oil yield and fatty acid compositions of 103 sesame landraces was investigated. The landraces varied widely in their oil quantity and quality. The oil content varied between 41.3 and 62.7%, the average being 53.3%. The percentage content of linoleic, oleic, palmitic and stearic acids in the seed oil ranged between 40.7-49.3, 29.3-41.4, 8.0-10.3 and 2.1-4.8%, respectively. Linolenic and arachidic acids were the minor constituents of the sesame oil. Linoleic and oleic acids were the major fatty acids of sesame with average values of 45.7 and 37.2%, respectively. The total means of oleic and linoleic acids as unsaturated fatty acids of sesame were about 83% which increases the suitability of the sesame oil for human consumption. The superiority of the collection was observed in oil content. The oil content of a few accessions was above 60%, proving claims that some varieties of sesame can reach up to 63% in oil content. The accessions with the highest oil content were relatively richer in the linoleic acid content while there were some landraces in which linoleic and oleic acid contents were in a proportion of almost 1:1. The results obtained in this study provide useful background information for developing new cultivars with a high oil content and different fatty acid compositions. Several accessions could be used as parental lines in breeding programmes aiming to increase sesame oil quantity and quality.
机译：研究了103种芝麻地方品种的含油量，产油量和脂肪酸组成的变化。地方品种的油量和质量差异很大。含油量在41.3和62.7％之间变化，平均值为53.3％。种子油中亚油酸，油酸，棕榈酸和硬脂酸的百分比含量分别为40.7-49.3％，29.3-41.4、8.0-10.3和2.1-4.8％。亚麻酸和花生酸是芝麻油的次要成分。亚油酸和油酸是芝麻的主要脂肪酸，平均值分别为45.7和37.2％。油酸和亚油酸作为芝麻的不饱和脂肪酸的总含量约为83％，这增加了芝麻油对人食用的适用性。在油含量方面观察到该集合的优越性。少数品种的含油量超过60％，证明有些芝麻品种的含油量可高达63％。油含量最高的种质中亚油酸含量相对较高，而有些地方品种中亚油酸和油酸含量几乎为1：1。这项研究获得的结果为开发具有高油含量和不同脂肪酸组成的新品种提供了有用的背景信息。可以在育种计划中使用一些种质作为育种系，以提高麻油的数量和质量。

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