Genotypic Variation in Wheat Flour Lysophospholipids

文献类型： 外文期刊

第一作者： Liu, Lei

作者： Liu, Lei;Guo, Qi;Waters, Daniel L. E.;Raymond, Carolyn A.;King, Graham J.;Guo, Qi;He, Zhonghu;Xia, Xianchun;He, Zhonghu

作者机构：

关键词： wheat;lysophospholipid;kernel hardness;genotype

期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）

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年卷期：

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收录情况： SCI

摘要： Lysophospholipids (LPLs) are the most abundant polar lipids in wheat endosperm and naturally complex with amylose, affecting starch physicochemical properties. We analyzed LPLs in wheat flour from 58 cultivars which differ by grain hardness using liquid chromatography mass spectrometry (LCMS). There were significant differences in LPL content between cultivars, demonstrating that genotype rather than environment contributes most to the total variance in wheat endosperm LPLs. Polar lipids such as LPLs may play a role in grain hardness through their interaction with puroindoline proteins, however, no strong correlation between kernel hardness and LPLs was detected. This may reflect the location of LPLs within the starch granule as opposed to the puroindoline proteins outside starch granules. LPLs may have an indirect relationship with kernel hardness as they could share the same origin as polar lipids that interact with puroindoline on the starch granule surface.

分类号： O62

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