PMID: 11312800Apr 21, 2001Paper

Wheat gluten phenolic acids: occurrence and fate upon mixing

Journal of Agricultural and Food Chemistry
E LabatXavier Rouau

Abstract

Ferulic acid (FA, 4.9-17.7 microg/100 mg), sinapic acid (SA, 1.4-3.5 microg/100 mg), and traces of p-coumaric acid and vanillic acid were detected after saponification of six wheat glutens from industrial and pilot-scale origins. FA and SA occurred mostly as soluble-bound and insoluble-bound forms according to their extractability by acetone/methanol/water (7:7:6, v/v/v). The major part of FA (50-95%) was found in the unextractable fraction, whereas SA was mostly extractable (64-85%). The carbohydrate contents of the glutens were determined also after acid hydrolysis. The highest levels of glucose, arabinoxylan, and FA were obtained from the unextractable fractions of the pilot-scale extracted glutens, probably in relation with a lower efficiency of washing during extraction compared to industrial processes. On the other hand, SA compounds were in similar concentrations in all samples, suggesting their involvement in specific interactions during gluten protein agglomeration. Saponification of the soluble-bound phenolic acids released mainly glucose, whereas a beta-glucosidase treatment had no effect. FA and SA extractability, especially that of soluble-bound ones, decreased strongly in overmixed gluten/water doughs. These low m...Continue Reading

References

Jan 1, 1989·Critical Reviews in Food Science and Nutrition·K Herrmann

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Citations

Jan 13, 2015·Cellular and Molecular Life Sciences : CMLS·Cinzia PezzellaAlessandra Piscitelli
Dec 5, 2018·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Przemysław KowalczewskiPiotr Kubiak
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Audrey L Girard, Joseph M Awika
May 16, 2002·Journal of Agricultural and Food Chemistry·Rebeca GarciaJacques Nicolas
Jul 6, 2014·Journal of Agricultural and Food Chemistry·Jeroen SneldersChristophe M Courtin
Mar 17, 2005·Journal of Agricultural and Food Chemistry·Kafui Kwami AdomRui Hai Liu
Jun 26, 2003·Journal of Agricultural and Food Chemistry·Gail A BresnahanMonisha Chakraborty
Dec 11, 2003·Journal of Agricultural and Food Chemistry·Kafui Kwami AdomRui Hai Liu

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