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https://open.uns.ac.rs/handle/123456789/8564
Назив: | Changes in the content of free sulphydryl groups during postharvest wheat and flour maturation and their influence on technological quality | Аутори: | Tomić, Jelena Pojić, Milica Torbica, Aleksandra Rakita , Slađana Živančev, Dragan Janić Hajnal, Elizabet Dapčević Hadnađev, Tamara Hadnađev, Miroslav |
Датум издавања: | 1-нов-2013 | Часопис: | Journal of Cereal Science | Сажетак: | The main aim of this study was to determine the changes in free sulphydryl content during postharvest wheat and flour maturation. The content of free sulphydryl groups was determined from wet gluten over 50 days of wheat postharvest maturation and over 14 days of flour maturation by varying incubation temperatures (30 and 37°C) and incubation times (0, 45, 90 and 135min). The amount of free sulphydryl groups increased during postharvest wheat and flour maturation as well as with the increase in temperature and gluten incubation time. The additional aim of this study was to find the interrelation between the content of free sulphydryl groups and selected parameters of technological quality by means of Principal Component Analysis. During wheat/flour maturation, the strengthening of protein structure was observed manifested by the increase in gluten index and Mixolab protein network weakening (C2), and changes in dough resistance as well. The incubation temperature of 37°C affected the weakening of protein structure manifested by the decrease in gluten index and resistance, and increase in extensibility. Strong differentiation of examined varieties in terms of selected quality indicators was observed upon pre-defined maturation period, probably due to the expression of their intrinsic properties. © 2013 Elsevier Ltd. | URI: | https://open.uns.ac.rs/handle/123456789/8564 | ISSN: | 07335210 | DOI: | 10.1016/j.jcs.2013.09.012 |
Налази се у колекцијама: | FINS Publikacije/Publications |
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