Xanthones from Calophyllum gracilipes and their cytotoxic activity.

• Main Authors: Mad Nasir, Nadiah, Rahmani, Mawardi, Shaari, Khozirah, Kassim, Nur Kartinee, Go, Rusea, Stanslas, Johnson, Jeyaraj, Ethel Jeyaseela
• Format: Article
• Language: English
• Published: Universiti Kebangsaan Malaysia 2013
• Online Access: http://psasir.upm.edu.my/id/eprint/29812/1/Xanthones%20from%20Calophyllum%20gracilipes%20and%20their%20cytotoxic%20activity.pdf; http://psasir.upm.edu.my/id/eprint/29812/; http://www.ukm.my/jsm/english_journals/vol42num9_2013/contentsVol42num9_2013.html

Extraction and chromatographic isolation of the hexane, chloroform and methanol extracts of stem bark of Calophyllum gracilipes has led to the isolation of a new xanthone, gracixanthone (1) and the known zeyloxanthanone (2) and trapezifolixanthone (3) together with three common sterols, namely stigm...