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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

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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