Phytochemicals and biological activities of Elaeocarpus floribundus Blume, Barringtonia conoidea Griff and Fibraurea tinctoria Lour

by Umar, Rahayu Utami
Published 2012

Sesquiterpenes from the rhizomes of Curcuma heyneana

by Umar, Rahayu Utami, Sukari, Mohd Aspollah, Abd Rashid, Nur Yuhasliza, Abdul, Ahmad Bustamam, Lajis, Nordin, Rahmani, Mawardi
Published 2009

Chemical constituents from two weed species of Spermacoce (Rubiaceae)

by Neoh, Bee Keat, Umar, Rahayu Utami, Lajis, Nordin, Chen, Tai Yuen, Li, Tu Yen, Rahmani, Mawardi, Md.Sukari, Mohd. Aspollah
Published 2010