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Now showing items 11-17 of 17
Diterpenoids from the stem bark of Croton zambesicus
(Elsevier Science Ltd. www.elsevier.com/locate/phytochem, 2002)
Three clerodane diterpenoids, crotozambefurans A, B and C were isolated from the stem bark of Croton zambesicus together with
the known clerodane crotocorylifuran and two trachylobanes: 7b-acetoxytrachyloban-18-oic acid ...
Chemical constituents of Treculia acuminata and Treculia africana (Moraceae)
(Elsevier Ltd. www.elsevier.com/locate/biochemsyseco, 2007)
Three species of the genus Treculia namely, Treculia acuminata Baill., Treculia africana Decne ex. Treà ´cul and
Treculia obovoidea N.E.Br. grow in the humid rain forest of southwest Cameroon. They are also widely ...
Electrospray Liquid Chromatography–Mass Spectrometry of the Leaf Extract of Rhamnus prinoides
(John Wiley & Sons, Ltd., 1999)
Three naphthalenic derivatives, four flavonoids and two of the four anthraquinones previously isolated
from the leaves of Rhamnus prinoides were successfully ionised under electrospray ionisation conditions.
These compounds ...
Antimicrobial activity of the extract from the twigs of Dorstenia Elliptica (Moraceae)
(Pharmacologyonline. http://www.pharmacologyonline.org/, 2007)
The crude extract from the twigs of Dorstenia elliptica (DET) as well one of the five compounds
isolated from this extract namely O-[3-(2, 2-dimethyl-3-oxo-2H-furan-5-yl)-3-
hydroxybutyl]bergaptol (5) were tested for ...
Chalcones and other constituents of Dorstenia prorepens and Dorstenia zenkeri
(Elsevier Science Ltd. www.elsevier.com/locate/phytochem, 2002)
The twigs of Dorstenia prorepens furnished the digeranylated chalcone, 5,30-(3,7-dimethyl-2,6-octadienyl)-3,4, 20,40-tetrahydroxychalcone
while Dorstenia zenkeri yielded the 30,40-(3-hydroxy-2,2-dimethyldihydropyrano)-4 ...
Antitrichomonal and antioxidant activities of Dorstenia barteri and Dorstenia convexa
(Brazilian Journal of Medical and Biological Research. http://www.scielo.br/scielo.php?pid=0100-879X&script=sci_serial, 2005)
Dorstenia barteri and D. convexa extracts and some isolated components
of the former were investigated for effectiveness against Trichomonas
gallinarum and compared with quercetin and quercitrin.
The antioxidant activity ...
A bichalcone from the twigs of Rhus pyroides
(Elsevier Science Ltd, http://www.elsevier.com/locate/phytochem, 2000)
The twigs of Rhus pyroides yielded a novel bichalcone 2',40,21-trihydroxy-4',41-dimethoxy-4-O-51-bichalcone. It was identified on the basis of spectroscopic data including 1D and 2D NMR spectroscopy. The name rhuschalcone-1 ...