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Composition and content of phenolic acids and avenanthramides in commercial oat products: are oats an important polyphenol source for consumers?

Soycan, G., Schar, M., Kristek, A., Boberska, J., Alsharif, S. N. S., Corona, G., Shewry, P. R. and Spencer, J. P. E. (2019) Composition and content of phenolic acids and avenanthramides in commercial oat products: are oats an important polyphenol source for consumers? Food Chemistry: X, 3. 100047. ISSN 2590-1575

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To link to this item DOI: 10.1016/j.fochx.2019.100047

Abstract/Summary

Oats contain a range of phenolic acids and avenanthramides which may have health benefits. Analysis of 22 commercial oat products (oat bran concentrate, oat bran, flaked oats, rolled oats and oatcakes) using HPLC-DAD detected eleven bound and thirteen free + conjugated phenolic acids and avenanthramides. The oat products (excluding concentrate) provided between 15.79 and 25.05 mg total phenolic acids (9.9–19.33 mg bound, 4.96–5.72 mg free + conjugated) and between 1.1 and 2 mg of avenanthramides in a 40 g portion while an 11 g portion of oat concentrate provided 16.7 mg of total phenolic acids (15.17 mg bound, 1.53 mg free + conjugated) and 1.2 mg of avenanthramides. The compositions and concentrations of the components in the different products were broadly similar, with the major component being ferulic acid (58–78.1%). The results show that commercial oat products are a source of phenolic acids and avenanthramides for consumers.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences
ID Code:85763
Publisher:Elsevier

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