| 摘要 |
food, textile and leather industries. SUBSTANCE: in order to prepare dye, crowberries (Empetrum nigrum L) are used. Dye comprises, mg per 100 g of dry matter; mineral agents, 1679.7; tanning agents, 166.0; proteins 9.1; sugar, 2.4; pectin, 4.2, and ash, 3.3. Invention makes it possible to prepare ecologically sage, pure and cheap food dye with homogeneous structure. Dye has good coloring properties, is resistant to effect of light and is readily soluble. EFFECT: improved properties of the dye. 4 tbl |
