Sulphur nutrition differentially affects the distribution of asparagine in wheat grain

Shewry, Peter R. and Zhao, Fang Jie and Gowa, Godfrey B. and Hawkins, Nathanial D. and Ward, Jane L. and Beale, Michael H. and Halford, Nigel G. and Parry, Martin A. and Abécassis, Joel (2009) Sulphur nutrition differentially affects the distribution of asparagine in wheat grain. Journal of Cereal Science, 50 (3). pp. 407-409. ISSN 0733-5210

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Abstract

Asparagine is known to accumulate in wheat grain under conditions of sulphur deficiency, leading to increased levels of acrylamide formation during processing. Analyses of milling fractions and of the outer layers of the grain prepared by hand dissection showed that the highest levels of asparagine were present in the bran fractions and in particular the aleurone layer, when grain were grown with sufficient sulphur supply. However, even mild S deficiency resulted in disproportional increases in the asparagine contents of white flour fractions, implying that optimisation of yield in a conventional milling system is not an appropriate strategy for processing grain from sulphur-deficient crops.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Cereal Science
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1300/1303
Subjects:
ID Code:
75990
Deposited By:
Deposited On:
21 Oct 2015 05:03
Refereed?:
Yes
Published?:
Published
Last Modified:
28 Nov 2020 03:14