Xanthones from calophyllum gracilipes and their cytotoxic activity

• Main Authors: Nadiah Mad Nasir,, Mawardi Rahmani,, Khozirah Shaari,, Nur Kartinee Kassim,, Go, Rusea, Stanslas, Johnson, Ethel Jeyaseela Jeyaraj,
• Format: Article
• Language: English
• Published: Universiti Kebangsaan Malaysia 2013
• Online Access: http://journalarticle.ukm.my/6468/1/08_Nadiah_Mad_Nasir.pdf; http://journalarticle.ukm.my/6468/; http://www.ukm.my/jsm/

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...