title: Triterpenoids from the roots of Rubus parvifolius.
abstract: Two new oleanane-type triterpenoids, parvifolactone A (1) and rubuside P (2), together with 11 known triterpenoids, fupenzic acid (3), 18,19-seco,2α,3α-dihydroxyl-19-oxo-urs-11,13(18)-dien-28-oic acid (4), euscaphic acid (5), maslinic acid (6), 1β- hydroxyeuscaphic acid (7), 2α,3α,19α,23-tetrahydroxyolean-12-en-28-oic acid (8), 2α,3β,19α,23-tetrahydroxyurs-12-en-28-oic acid (9), glucosyl pinfaensate (10), rubuside J (11), 2α,3α,19α,23-tetrahydroxyurs-12-en-24,28-dioic acid (12), and 2α,3β,19α- trihydroxyurs-12-en-23,28-dioic acid (13), were isolated from the roots of Rubus parvifolius.
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
authors.forename: Xu
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Zhi-Xiang
authors.initials: ZX
authors.lastname: Zhu
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
authors.forename: Juan
authors.initials: J
authors.lastname: Wang
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
authors.forename: Wan-Qing
authors.initials: WQ
authors.lastname: Yang
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
authors.forename: Cong
authors.initials: C
authors.lastname: Su
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Jun
authors.initials: J
authors.lastname: Li
authors.affiliation: School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100102, China.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Zhang
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
authors.forename: Jiao
authors.initials: J
authors.lastname: Zheng
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China. Electronic address: shishepo@163.com.
authors.forename: She-Po
authors.initials: SP
authors.lastname: Shi
authors.affiliation: Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China. Electronic address: pengfeitu@163.com.
authors.forename: Peng-Fei
authors.initials: PF
authors.lastname: Tu
mesh_terms: D015394:Molecular Structure; D010936:Plant Extracts / Q000737:chemistry* / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry; D065856:Rubus / Q000737:chemistry*; D013729:Terpenes / Q000737:chemistry* / Q000302:isolation & purification
chemical_list: D010936:Plant Extracts; D013729:Terpenes
keywords: Parvifolactone A; Rubus parvifolius; Rubuside P; Triterpenoid