Biosynthesis and profiles of fatty acids, vitamin E and carotenoids during flax (Linum usitatissimum L.) seed capsule maturation

文献类型： 外文期刊

第一作者： Wang, Hong

作者： Wang, Hong;Wang, Hong;Guo, Xinbo;Qiu, Caisheng;Wang, Yufu

作者机构：

关键词： Flaxseed capsule; fatty acids; vitamin E; carotenoids; biosynthesis

期刊名称：INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY （ 影响因子：2.773； 五年影响因子：2.516 ）

ISSN： 0950-5423

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收录情况： SCI

摘要： This study investigated the profiles of major fatty acids, vitamin E and carotenoids at metabolic and transcription levels in fibre flaxseed capsule at six mature stages. From 5 days after flowering (DAF) to 15 DAF, the percentages of alpha-linolenic acid and oleic acid notably increased, whereas palmitic acid and linoleic acid dramatically decreased, and finally remained stable till S6. The content of gamma-tocopherol was progressively raised to the maximum at the last stage, while alpha-tocopherol presented a gradually declining trend from 5 DAF to 40 DAF. The total carotenoids in flaxseed capsules decreased continuously, and lutein remained the abundant one throughout the maturation. The varied expression pattern of genes in fatty acid, vitamin E and carotenoid biosynthetic pathway could partly explain the changes of these components during flaxseed capsule maturation. These results suggested fibre flaxseed capsules could be an attractive source of liposoluble compounds for further food and nutraceutical applications.

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