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Title: | Changes of protein fractions in wheat flour caused by additives | ||||||||||
Author: | Pečivová, Pavlína; Burešová, Iva; Hrabě, Jan | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis. 2010, vol. 18, issue 1, p. 123-130 | ||||||||||
ISSN: | 1211-8516 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.11118/actaun201058010123 | ||||||||||
Abstract: | The influence of different combinations of reducing and oxidising agents (L-cysteine hydrochloride monohydrate + L-ascorbic acid, inactivated dry yeast + L-ascorbic acid, L-threonine + L-ascorbic acid, L-tryptophan + L-ascorbic acid) on the change in the proportion of glutenins, gliadins, albumins, globulins in wheat flour was investigated. Different concentrations of amino acid combinations were added to wheat flour. By means of Size Exclusion High performance liquid chromatography (SE-HPLC), the changes in protein fractions caused by individual concentrations of amino acid combinations were evaluated against the control sample (pure wheat flour). It was detected that the mixture of flour + L-ascorbic acid + L-cysteine hydrochloride monohydrate had the stronger reducing effect than the mixture of flour + L-ascorbic acid + inactivated dry yeast. On the other hand, the mixture of flour + L-ascorbic acid + L-tryptophan had the stronger oxidising effect than the mixture of flour + L-ascorbic acid + L-threonine. | ||||||||||
Full text: | http://acta.mendelu.cz/media/pdf/actaun_2010058010123.pdf | ||||||||||
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