title: [New method for preparing oridonin by column chromatography].
abstract: Compared with the traditional methods, the separation and preparation of oridonin by column chromatography have the advantages of fast speed, harmlessness and non-pollution of solvent, safety, economy and easily obtained, etc. After re-crystallizing the oridonin content is determined by TLC scanning to be as high as 97.03%.
authors.affiliation: Henan College of Traditional Chinese Medicine, Zhengzhou.
authors.forename: K
authors.initials: K
authors.lastname: Yuan
authors.forename: R
authors.initials: R
authors.lastname: Hu
authors.forename: C
authors.initials: C
authors.lastname: Ji
authors.forename: M
authors.initials: M
authors.lastname: Yin
mesh_terms: D000972:Antineoplastic Agents, Phytogenic; D002845:Chromatography / Q000379:methods; D002855:Chromatography, Thin Layer; D003720:Densitometry; D004224:Diterpenes / Q000032:analysis / Q000302:isolation & purification*; D045786:Diterpenes, Kaurane; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D019686:Lamiaceae / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*; D013678:Technology, Pharmaceutical / Q000379:methods*
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D004224:Diterpenes; D045786:Diterpenes, Kaurane; D004365:Drugs, Chinese Herbal; C011959:oridonin