METHOD FOR PRODUCING CONCENTRATE FROM VEGETABLE FEEDSTOCK Russian patent published in 1998 - IPC

FIELD: food industry. SUBSTANCE: cut vegetables are aged in sugar or honey-containing syrup in presence of antioxidant for 40-60 min and then subjected to two-stage cooking. During the first stage, vegetable are cooked in sugar-containing syrup under vacuum at 60-80 C for 1.5-2.0 h, followed by cooling, while during the second stage, cooking process is conducted at 60-80 C for 1.0-1.5 h. Boiled vegetables are separated and resulting crude syrup is thickened up to concentration 70-75% based on dry matter content at elevated temperature, followed by abruptly cooling resulting concentrate by 30-40 C. EFFECT: higher organoleptical properties and biochemical composition of feedstock vegetables. 3 cl, 4 tbl