Abstract
In the paper, technology of melanin and powder from buckwheat (Fagopyrum esculentum) hull obtaining is studied. Buckwheat hull is a by-product of buckwheat grain production and has high antioxidant activity. It is a cheap source for raw material with high content of cellulose and brown melanin pigment. In Russia, buckwheat grain is strategical crop used in child and dietary nutrition. Buckwheat hulls, which production volume is about 22% of the total volume of processed grain, are practically not used. At the same time, buckwheat hull can be regarded as a valuable raw material for obtaining of several biologically active substances and technological food ingredients due to its unique chemical composition. The possibility and prospects of using products of buckwheat hulls processing in the formulation of dessert with functional properties, is described. It was found that the implementation of buckwheat processing by-products into the desserts increases their antioxidant activity, and addition of fine powder increases dietary fiber content in them.
Highlights
In food industry, by-products are not practically used for further processing
As a summary of the review, it can be concluded that by-products of buckwheat processing are valuable raw materials, which can be used in food industry for creating food products with increased nutritional value and antioxidant activity
Melanin obtained from buckwheat hulls is of a greatest interest, since its production, as opposed to production of melanins of animal origin or chemically synthesized from expensive reagents, is not limited by raw materials
Summary
By-products are not practically used for further processing. Their chemical composition allows them to be used as sources of valuable food ingredients in the production of enriched and functional foods. It is known that Russia is second leader after China in world production of buckwheat grain. The volume of buckwheat hulls is about 20...22% of the processed grain total. Their quantity is about 63 thousand tons, but only a small part of the hulls is used later. As a summary of the review, it can be concluded that by-products of buckwheat processing are valuable raw materials, which can be used in food industry for creating food products with increased nutritional value and antioxidant activity
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