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Open AccessArticle

Genotypic Variation in Wheat Flour Lysophospholipids

Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia
Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China
CIMMYT China Office, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Authors to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Molecules 2017, 22(6), 909;
Received: 24 February 2017 / Revised: 22 May 2017 / Accepted: 26 May 2017 / Published: 31 May 2017
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. View Full-Text
Keywords: wheat; lysophospholipid; kernel hardness; genotype wheat; lysophospholipid; kernel hardness; genotype
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MDPI and ACS Style

Liu, L.; Guo, Q.; He, Z.; Xia, X.; Waters, D.L.E.; Raymond, C.A.; King, G.J. Genotypic Variation in Wheat Flour Lysophospholipids. Molecules 2017, 22, 909.

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