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5,6-Didehydroginsenosides from the Roots of Panax notoginseng
Institute of Chinese Medical Sciences, University of Macau, Taipa, Macao, China
Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, 510632, China
* Authors to whom correspondence should be addressed.
Received: 3 November 2010; in revised form: 8 November 2010 / Accepted: 10 November 2010 / Published: 11 November 2010
Abstract: Two minor novel dammarane-type saponins—5,6-didehydroginsenoside Rd (1) and 5,6-didehydroginsenoside Rb1 (2)—were isolated from the dried roots of Panax notoginseng along with sixteen known saponins. The structures of the new compounds were elucidated on the basis of spectroscopic and chemical methods.
Keywords: Panax notoginseng; triterpene saponins; didehydroginsenosides
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Wan, J.-B.; Zhang, Q.-W.; Hong, S.-J.; Guan, J.; Ye, W.-C.; Li, S.-P.; Lee, M.-Y.; Wang, Y.-T. 5,6-Didehydroginsenosides from the Roots of Panax notoginseng. Molecules 2010, 15, 8169-8176.
Wan J-B, Zhang Q-W, Hong S-J, Guan J, Ye W-C, Li S-P, Lee M-Y, Wang Y-T. 5,6-Didehydroginsenosides from the Roots of Panax notoginseng. Molecules. 2010; 15(11):8169-8176.
Wan, Jian-Bo; Zhang, Qing-Wen; Hong, Si-Jia; Guan, Jia; Ye, Wen-Cai; Li, Shao-Ping; Lee, Ming-Yuen Simon; Wang, Yi-Tao. 2010. "5,6-Didehydroginsenosides from the Roots of Panax notoginseng." Molecules 15, no. 11: 8169-8176.