Authors

Sunflower meal fractionation using various crushing techniques

DOI: 10.17586/1606-4313-2024-23-3-56-61
UDC 633.854.78

Sunflower meal fractionation using various crushing techniques

Krylova Irina V., Fedorov Alexander V.

For citation: Krylova I.V., Fedorov A.V. Sunflower meal fractionation using various crushing techniques. Journal of International Academy of Refrigeration. 2024. No 3. p. 56-61. DOI: 10.17586/1606-4313-2024-23-3-56-61

Abstract
The article concerns the study of the fractional composition and crude protein content in the products of mechanical fractionation of sunflower meal. For our country, the rational use of protein products from sunflower seeds, the potential of which is still significantly underestimated, is of particular relevance. The article examines the method of mechanical fractionation of sunflower meal and describes options for its implementation. The aim of the article was to compare two methods of grinding sunflower meal and products obtained after fractionation of crushed samples. The efficiency of fractionation is determined by the yield of the target product, its composition and mechanical properties. The meal was crushed in two ways: using a rotary knife grinder and a cam mill. Fractionation of grinding products was carried out by sieves with hole diameters. The crude protein content was determined using the Kjeldahl method, and the crude fiber content using the Henneberg–Stoman method. The particle size distribution in the target product was determined by laser diffraction. All the results presented in the article were obtained using modern analytical instruments and research methods. The mass yields of individual meal fractions with different particle sizes after mechanical sieving were studied. The content of crude protein and crude fiber in each fraction was determined. The possibility of obtaining a fraction with a high content of crude protein from sunflower meal has been shown. For this fraction, the particle size distribution, which affects the possibility of its use, has been studied. This fraction, after additional processing, can be used as an ingredient in flour products.

Keywords: sunflower meal, dry fractionation, crude protein, crude fiber, particle size, grinder, mill.

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