METHOD FOR PRODUCING VEGETABLE OILS Russian patent published in 2003 - IPC

FIELD: food-processing industry. SUBSTANCE: method involves mixing raw material with vegetable oil and providing extraction with following separation of mixture; drying raw material under natural conditions; placing dried raw material into vessel and pouring vegetable oil having temperature not exceeding 20 C, with raw material and vegetable oil ratio being 1:1.2-1: 1.8; mixing and holding mixture for replacing air from vessel; gradually heating hermetically sealed vessel to temperature of 40-80 C and holding for 12-50 hours, with following cooling to temperature of 20-25 C and subsequent heating to temperature of 40-80 C; repeating heating and cooling cycles 5-40 times. Raw material is sea buckthorn, dog rose, hawthorn, and other oil-containing plant fruits, and vegetable oil is soya, olive, sunflower or cotton oil. EFFECT: increased efficiency in producing high-quality and highly-concentrated vegetable oils possessing prophylactic properties. 2 cl, 1 ex