专利汇可以提供Preparation of extract component from biological raw material专利检索,专利查询,专利分析的服务。并且PURPOSE: To prepare an extract component having low hygroscopicity without an offensive smell, by heating an extracted extract component obtained by boiling a biological raw material with water with a biological oil under reduced pressure to carry out the thermal coagulation of proteins, evaporation of water and impurities and separation of fat or oil.
CONSTITUTION: A biological raw material, e.g. an animal or plant, is boiled with water to extract an extract component from the resultant broth. The resultant extracted extract component is then mixed with a biological oil, e.g. an animal oil or vegetable oil, and dehydrated while heated under reduced pressure. Furthermore, a volatile compound, e.g. a carbonyl compound, trimethylamine, H
2 S, ammonia, indole. statole, etc. are evaporated and separated with water, and gelatin and water-soluble proteins in the extracted extract component are coagulated by the thermal denaturation. Fats or oils contained in the raw material are deoiled to give the aimed powdery purified extract component. The resultant extract component has low hygroscopicity without an offensive smell.
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