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https://open.uns.ac.rs/handle/123456789/275
Title: | Impact of diatomaceous earth application on the rheological properties of wheat, triticale and rye flour dough | Authors: | Perišić V. Perišić V. Hadnađev, Miroslav Đekić V. Dapčević Hadnađev, Tamara Vuković, Slavica Vukajlović F. |
Issue Date: | 1-Jun-2019 | Journal: | Journal of Stored Products Research | Abstract: | © 2019 Elsevier Ltd Although utilization of commercial products based on diatomaceous earth, an insecticide of the natural origin, plays a very important role in the integral protection of stored grains, the effect of their application on the rheological quality of small grains is poorly exploited. Therefore, the aim of this research was to employ GlutoPeak and Mixolab rheological devices in order to compare the impact of three diatomaceous earths (DEs) (Protect-It and two inert dusts originated from Serbia) application on the rheological properties of wheat, triticale and rye flour dough. While moisture and protein content did not differ in treated and untreated grain samples, application of all three DEs in two triticale varieties led to an increase in the wet gluten content and Mixolab water absorption, as well as a decrease in the gluten strength, as indicated by gluten index and GlutoPeak maximum torque values. Treated rye samples have also exhibited a decrease in dough maximum consistency and stability and greater protein structure weakening in comparison to untreated sample. The mentioned changes in rheological behaviour were not noticed in wheat varieties treated with DEs. The major changes were recorded in rheological behaviour of triticale and rye starch component which showed a decrease in maximum peak torque and hot paste stability after grain treatment with DEs. In general, the influence of DEs on rheological properties of small grains was highly species and varietal dependent, where more pronounced differences between treated and untreated grains were noticed in stronger varieties. | URI: | https://open.uns.ac.rs/handle/123456789/275 | ISSN: | 0022474X | DOI: | 10.1016/j.jspr.2019.05.003 |
Appears in Collections: | FINS Publikacije/Publications |
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