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Title: | Isolation of amaranth proteins by liquefaction with enzymes | ||||||||||
Author: | Mokrejš, Pavel; Janáčová, Dagmar; Kolomazník, Karel; Vašek, Vladimír; Svoboda (FT), Petr | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Oriental Journal of Chemistry. 2010, vol. 26, issue 3, p. 781-788 | ||||||||||
ISSN: | 0970-020X (Sherpa/RoMEO, JCR) | ||||||||||
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Abstract: | The presented work deals with possibilities in isolating amaranth protein. A biochemical procedure was chosen, consisting in employing enzymes acting specifically on protein degradation. Experiments were executed through two-level factor tests, and the influences under study were those of enzymatic hydrolysis duration (1 and 5 h) and temperature (30 and 50 oC) on efficiency of protein hydrolysis. Amaranth flour was mixed with water in ratio 1:20, heating to desire temperature proceeded at a rate of 2 oC.min-1, and 0.1 % enzyme (per mass of flour) was added. Centrifugation yielded a protein hydrolysate and a solid, polysaccharide-enriched fraction. | ||||||||||
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