Industrial preparation method of high-protein grape seed dregs
A grape seed meal, high protein technology, applied in protein food processing, protein food ingredients, food science and other directions, can solve the problems of poor development of protein resources, low comprehensive utilization rate of grape seeds, limited processing technology, etc. Achieve the effect of alleviating high protein demand for feed, improving application value and low production cost
Inactive Publication Date: 2014-03-26
CHENGUANG BIOTECH GRP CO LTD
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Abstract
The invention discloses an industrial preparation method of high-protein grape seed dregs, which comprises the following steps: (1) breaking the grape seeds and separating shells and kernels to obtain grape seed kernels; (2) softening and tempering the grape seed kernels with water, rolling, drying and degreasing; (3) performing low-temperature desolventizing on the degreased grape seed kernels, and adding an aqueous solution containing cellulase, hemicellulase and pectinase for an enzymolysis reaction; (4) after the enzymolysis reaction, performing solid-liquid separation on the material; adding a sodium hydroxide solution into the solid for dissolution, and stirring for reaction; after the reaction, performing solid-liquid separation; adjusting the pH value of the separated liquid to 3.8-4.2 to separate out protein dissolved in water; performing solid-liquid separation again to obtain the concentrate of grape seed kernel protein; (5) drying the concentrate of grape seed kernel protein to obtain the high-protein grape seed dregs. The method disclosed by the invention is simple in process and low in production cost; the product has high protein content and rich nutrition, wherein the protein content is greater than 49.5wt%, the ash content is less than 4wt%, the fiber content is less than 5wt%, and the amino acid content is greater than 95wt%.
Application Domain
Protein foodstuffs working-up
Technology Topic
Grape seedAmino acid content +12
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