A phytochemical study of Alphonsea cylindrica King (unreported) has led to the isolation of
six alkaloids. The compounds were identified as kinabaline (1; azafluorenone alkaloid) …

A phytochemical study has been carried out on CH 2 Cl 2 extract of Alphonsea cylindrica
leaves, resulting in the isolation of three new morphinan alkaloids. They are kinomenine (1) …

This study was carried out to investigate the phytochemicals from the barks of Alphonsea
elliptica. The barks were harvested from Hutan Simpan Sembarong, Kluang, Johor; and …

This study investigated bioactive extracts of Polyalthia debilis (Annonaceae) with
antimicrobial, antimalarial and cytotoxic activities. Extensive chromatographic isolations …

The methanol stem bark extract of A. boonei and methanol seed extract of P. nitida, were
subjected to purification using chromatographic techniques. A. boonei yielded loganic acid …

The leaves of Alchornea floribunda were collected, identified and reduced to coarse powder.
Using various solvent treatments, the powdered drug leaf was fractionated into A1, A2, B, C …

Bioassay-guided fractionation of an ethyl acetate extract from the aerial parts of Anabasis
aphylla, a Chenopodiaceous species widely distributed in the northwest of China, led to the …

Chromatographic separation of the ethyl acetate extract of roots of Polyalthia cerasoides has
led to the isolation of the new compound, 6, 8-dihydroxy-7-methoxy-1-methyl-azafluorenone …

Bioactive azafluorenone alkaloids from Polyalthia debilis were previously reported. Herein,
bioactive root extracts of P. debilis (hexane and methanol) with antimalarial, antimicrobial …

The present study was aimed at evaluating the antibacterial activity of mulinane and
azorellane diterpenes isolated from the Andean plants Azorella compacta and A. trifoliolata …