Some rape/canola seed oils: fatty acid composition and tocopherols

B. Matthaus, M. Özcan, F. Al Juhaimi
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引用次数: 43

Abstract

Abstract Seed samples of some rape and canola cultivars were analysed for oil content, fatty acid and tocopherol profiles. Gas liquid chromotography and high performance liquid chromotography were used for fatty acid and tocopherol analysis, respectively. The oil contents of rape and canola seeds varied between 30.6% and 48.3% of the dry weight (p<0.05). The oil contents of rapeseeds were found to be high compared with canola seed oils. The main fatty acids in the oils are oleic (56.80–64.92%), linoleic (17.11–20.92%) and palmitic (4.18–5.01%) acids. A few types of tocopherols were found in rape and canola oils in various amounts: α-tocopherol, γ-tocopherol, δ-tocopherol, β-tocopherol and α-tocotrienol. The major tocopherol in the seed oils of rape and canola cultivars were α-tocopherol (13.22–40.01%) and γ-tocopherol (33.64–51.53%) accompanied by α-T3 (0.0–1.34%) and δ-tocopherol (0.25–1.86%) (p<0.05). As a result, the present study shows that oil, fatty acid and tocopherol contents differ significantly among the cultivars.
一些油菜/菜籽油:脂肪酸组成和生育酚
摘要对部分油菜和油菜品种的种子样品进行了含油量、脂肪酸和生育酚的分析。脂肪酸分析采用气相液相色谱法,生育酚分析采用高效液相色谱法。油菜和菜籽含油量占干重的比例在30.6% ~ 48.3%之间(p<0.05)。菜籽油的含油量比菜籽油高。油中的主要脂肪酸为油酸(56.80 ~ 64.92%)、亚油酸(17.11 ~ 20.92%)和棕榈酸(4.18 ~ 5.01%)。油菜和菜籽油中含有α-生育酚、γ-生育酚、δ-生育酚、β-生育酚和α-生育三烯酚。油菜和菜籽油中主要的生育酚为α-生育酚(13.22 ~ 40.01%)和γ-生育酚(33.64 ~ 51.53%),其次为α-T3(0.0 ~ 1.34%)和δ-生育酚(0.25 ~ 1.86%)(p<0.05)。结果表明,不同品种间的油分、脂肪酸和生育酚含量差异显著。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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