K. Ya. Motovilov, S. K. Volonchuk, I. V. Naumenko, A. I. Rezepin
Siberian Federal Scientific Center for Agrobiotechnology RAS, pos. Krasnoobsk, Novosibirskdistrict, Novosibirskregion, 630501, RussianFederation
Abstract. The purpose of the studies was to develop a technological mode for processing wheat grain, milk (cheese) whey, and wheat bran for the production of dry protein-carbohydrate composite. The work was performed in 2018. Grain with a moisture content of 12% was treated with infrared radiation with the flux density E = 23 kW/m2. After that, to make molasses, grain and milk (cheese) whey (pH was 5.34 units) were hydrolyzed in the presence of the amylosubtilin and glucavamorin enzymes at a temperature ranging from 62 C to 65 C. For comparison, a control sample based on acidified water was prepared in a similar way. After comparing the properties of molasses of two types a whey-containing product was selected for further studies since the sugar content, in this case, reached 20.9%, whereas in the control sample it was 14.2% only. Then, to enrich the whey-based molasses with protein and fibre, we prepared three variants of the composite. The molasses – bran ratios were 1.5:1.0; 2.0:1.0; 2.5:1.0, which corresponded to 40%, 50%, and 60% humidity, respectively. In a full factorial experiment, the molasses were dried with infrared radiation until moisture content reached 8–10% at a flux density of 15.0 kW/m2, 17.5 kW/m2, and 20.0 kW/m2. We noted that within the domain of maximum sugar values (30.9%) the dependence of the sugar content in the protein-carbohydrate composite on its moisture content (W, %) and IR flux density (E, kW/m2) was significant (0.05) at a density of infrared radiation flux of 17.5 kW/m2. The protein content, in this case, was 17.6–18.4%; fibre content was 7.3%. The studies allowed developing a technology for the production of a dry composite containing sugars, proteins, and fibre.
Keywords: technology; infrared radiation (IR); serum; bran; wheat grain; enzymes; molasses; composite; sugar; protein.
Author Details: K. J. Motovilov, corresponding memberof the RAS, D. Sc. (Biol.), chief research fellow; S. K. Volonchuk, Cand. Sc. (Tech.), leading research fellow (e-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.); I. V. Naumenko, Cand. Sc. (Agr.), leading research fellow (e-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.); A. I. Rezepin, research fellow.
For citation: Motovilov KJ, Volonchuk SK, Naumenko IV, et al. [The technology of obtaining a dry protein-carbohydrate feed composite using recycled materials]. Dostizheniya nauki i tekhniki APK. 2020;34(4):72-5. Russian. doi: 10.24411/0235-2451-2020-10415.