Stigmasterol - Preparation

Natural phytosterols in structure and animal sterols such as cholesterol similar, is a kind of active ingredients in plants, exists in various plant oils. Plant sterol and its derivatives with biological activity and their unique physical and chemical properties, widely used in medicine, food and cosmetics industries. Separated from the vegetable oil sterol is similar by a class of structure, composition of steroidal compounds of different small, mainly including stigmasterol, B - sitosterol, campesterol and brassicasterol, their main difference in the structure of the side chain groups is different. The effective separation of mixed plant sterol is an important research topic of single component of high purity phytosterol scale production process, the phytosterol mixture was separated and refined, for steroid production provide relatively cheap.
Department of plant sterols and sterol, commonly used for plant cell membrane. Often and grease coexist in many plant seeds and pollen. Soybeans are rich in content, such as other Calabar beans, cocoa butter, canola oil may be. It usually can not be absorbed by the animal. Are acetylated bromide to soybean oil, unsaponifiable matter, then with ether acetate mixed solvent extraction of insoluble four bromides were debromination, saponification preparing with zinc and acetic acid.