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Molecules 2007, 12(12), 2599-2604; doi:10.3390/12122599
Article

Two New Triterpenoids from Photinia serrulata

1, 1, 1, 3, 2,*  and 1,*
1 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, P. R. China 2 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing 100094, P. R. China 3 College of Sciences, Northwest A & F University, Yangling 712100, P. R. China
* Authors to whom correspondence should be addressed.
Received: 24 November 2007 / Revised: 11 December 2007 / Accepted: 11 December 2007 / Published: 20 December 2007
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Abstract

Two new triterpenoids, 2α,3β,11α,13β-tetrahydroxy-12-ketooleanan-28-oic acid(1) and 3β-hydroxy-12-keto-9(11)-ursen-28,13β-olide (2) were isolated from the leaves ofPhotinia serrulata. Their structures were identified by spectral methods. Compounds 1 and2 were assessed for cytotoxic activity against three human tumor cell lines (A-549, HCT-8,and BEL-7402), and they showed no cytotoxic effects at concentrations up to 5μg/mL.
Keywords: Photinia serrulata; Rosaceae; triterpenoids; cytotoxic activity Photinia serrulata; Rosaceae; triterpenoids; cytotoxic activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Song, Y.; Wang, Y.; Lu, Q.; Gao, J.; Bi, M.; Cheng, Y. Two New Triterpenoids from Photinia serrulata. Molecules 2007, 12, 2599-2604.

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