title: [Study on the chemical components of Alpinia officinarum].
abstract: Four crystalline substances were isolated from rhizome of Alpinia officinarum Hance. They were identified as beta-Sitosterol (I), Galangin (II), Emodin (III) and Quercetin (IV), I and III were separated from this plant for the first time.
authors.affiliation: Guangdong Medical College, Zhanjiang 524023.
authors.forename: H
authors.initials: H
authors.lastname: Luo
authors.forename: C
authors.initials: C
authors.lastname: Cai
authors.forename: J
authors.initials: J
authors.lastname: Zhang
authors.forename: L
authors.initials: L
authors.lastname: Mo
mesh_terms: D032429:Alpinia / Q000737:chemistry*; D004642:Emodin / Q000032:analysis / Q000302:isolation & purification*; D005419:Flavonoids / Q000032:analysis / Q000302:isolation & purification*; D011794:Quercetin / Q000032:analysis / Q000302:isolation & purification*; D027343:Rhizome / Q000737:chemistry; D012855:Sitosterols / Q000032:analysis / Q000302:isolation & purification*; D013056:Spectrophotometry, Ultraviolet; D019265:Spectroscopy, Near-Infrared
chemical_list: D005419:Flavonoids; D012855:Sitosterols; C037032:galangin; C025473:gamma-sitosterol; D011794:Quercetin; D004642:Emodin