The present study was aimed to evaluate the phytochemical constituents and antibacterial activity of the flower extracts of Albizia lebbeck, Cordia sebestena, Thunbergia grandiflora and Antigonon leptopus. Preliminary phytochemical screening was done by the standard methods described by Harborne. Antibacterial study was carried out by disc diffusion method. The results of the phytochemical anti...

Beaumontia grandiflora Wall. (Apocynaceae) is an ornamental plant cultivated in Egypt. Investigation of the chemical constituents of the aerial parts of B. grandiflora Wall. in pet. ether extract led to isolation and identification of twelve fatty acids in which linoleic acid (29.60%) and Palmitic acid (19.12%) are the main acids. The unsaponifiable fraction was found to contain a series 14 27 ...

The comparative chromosomal features of four species belonging to family Apocynaceae from Northeastern Thailand were studied the root tips. somatic chromosome numbers all specimens found be 2n = 36 for Allamanda blanchetii, 18 A. cathartica, 20 in schottii and 52 Cryptostegia grandiflora. cathartica have same number previous except C. grandiflora differs previously reported. Moreover, has never...

In this paper, a complete taxonomic revision of the species of Centris (Wagenknechtia) Moure is presented for the first time. The following species are recognized: Centris cineraria Smith, C. escomeli Cockerell, C. moldenkei Toro & Chiappa, C. muralis Burmeister, C. orellanai Ruiz, C. rhodophthalma Pérez and C. vardyorum Roig-Alsina. Floral associations, distribution records, and diagnoses of b...

HIGHLIGHTS Qualea grandiflocompounds with proven therapeutic properties; Hydroalcoholic extract of the leaves grandiflora increase expression MMP-14 and HIF-1α.