Molecules 2008, 13(6), 1361-1371; doi:10.3390/molecules13061361

Camptothecinoids from the seeds of Taiwanese Nothapodytes foetida

1email, 1,2email, 1,2email, 1, 1, 2,3email, 4email, 1,2,* email and 1,2,* email
Received: 9 May 2008; in revised form: 3 June 2008 / Accepted: 3 June 2008 / Published: 16 June 2008
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.
Abstract: Two new alkaloids, 9-methoxy-18,19-dehydrocamptothecin (1) and 5- hydroxymappicine-20-O-β-glucopyranoside (2a/2b as a racemic mixture), together with nine known compounds: camptothecin (3), 9-methoxy-camptothecin (4), 5-hydroxycamptothecin (5a/5b racemic mixture), 5-hydroxy-9-methoxycamptothecin (6a/6b racemic mixture), diosmetin (7), apigenin (8), apigenin-7-O-glucopyranoside (9), rosin (cinnamyl- O-β-D-glucopyranoside) (10) and amarantholidoside IV (11) were isolated from the immature seeds of Nothapodytes foetida (Wight) Sleumer. The structures were elucidated by spectroscopic analyses. In the present research, compounds 1, 3, 4, 5a/5b and 6a/6b, also showed in vitro cytotoxicity against six cancer cell lines (HepG2, Hep3B, MDA-MB- 231, MCF-7, A549, and Ca9-22). Among them, compound 1 exhibited significant cytotoxicity against these cancer cell lines, with IC50 of 0.24-6.57 μM. Furthermore, HPLC profiles were developed for qualitative and quantitative analysis of these active constituents in different parts of this plant, including mature and immature seeds, leaves, stems and roots. The results revealed that compounds 3 and 4 have the highest concentrations, which are found in the roots part of the plant.
Keywords: Nothapodytes foetida; 9-methoxy-18; 19-dehydrocamptothecin; 5-hydroxymappicine-mappicine-20-O-β-glucopyranoside; camptothecin; cytotoxicity
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MDPI and ACS Style

Wu, S.-F.; Hsieh, P.-W.; Wu, C.-C.; Lee, C.-L.; Chen, S.-L.; Lu, C.-Y.; Wu, T.-S.; Chang, F.-R.; Wu, Y.-C. Camptothecinoids from the seeds of Taiwanese Nothapodytes foetida. Molecules 2008, 13, 1361-1371.

AMA Style

Wu S-F, Hsieh P-W, Wu C-C, Lee C-L, Chen S-L, Lu C-Y, Wu T-S, Chang F-R, Wu Y-C. Camptothecinoids from the seeds of Taiwanese Nothapodytes foetida. Molecules. 2008; 13(6):1361-1371.

Chicago/Turabian Style

Wu, Shou-Fang; Hsieh, Pei-Wen; Wu, Chin-Chung; Lee, Chia-Lin; Chen, Shu-Li; Lu, Chi-Yu; Wu, Tian-Shung; Chang, Fang-Rong; Wu, Yang-Chang. 2008. "Camptothecinoids from the seeds of Taiwanese Nothapodytes foetida." Molecules 13, no. 6: 1361-1371.

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