Jean Duplex Wansi

Steroidal Saponins from Solanum torvum Swartz Collected in Dibombari, Cameroon

Alexis Brice Fouotzing Lacmago, Jules Lobe Songue, Albert Atangana Fouda, Jean Pierre Longue Ekon, Mehreen Lateef, Muhammad Shaiq Ali, Jean Duplex Wansi, Norbert Sewald, Emmanuel Ngeufa Happi & Alain François Kamdem Waffo · South Asian Research Journal of Natural Products · 2021

Aims: This work aimed to investigate the phytochemical constituents of Cameroonian species of Solanum torvum Swartz and to carry out. Antioxidant, enzyme inhibition (urease and glucosidase) and antibacterial activities of methanol crude extract and isolated compounds.  Methodolog...

Open access Research Article

Phytochemical and Antimicrobial Studies of Maprounea membranacea Pax & K. Hoffm (Euphorbiaceae)

Jean Pierre Longue Ekon, Jules Lobe Songue, Moïse Ntah A. Ayong, Moses K. Langat, Alain François Kamdem Waffo, Luc Mbaze Meva’a & Jean Duplex Wansi · Asian Journal of Chemical Sciences · 2017

The aim of the present study was to carry out the isolation, purification and structural identification of  secondary metabolites from methanolic extract of stem bark of Maprounea membranacea and further to evaluate the antimicrobial activity of its fractions. According to the li...

Open access Research Article 10.9734/AJOCS/2017/35033

Taraxastane and Lupane Triterpenoids from the Bark of Manilkara zapota

Flavien Aristide Alfred Toze, Marie Fomani, Achille Bissoue Nouga, Jean Rodolphe Chouna, Kouam ., Alain François Kamdem Waffo & Jean Duplex Wansi · International Research Journal of Pure and Applied Chemistry · 2015

Aims: Discovering new lead compounds against cancer and bacterial infections is a crucial step to ensuring a sustainable global pipeline for new effective drugs. This study focus on the isolation of secondary metabolites of methanol extract from the bark of Manilkara zapota (Sapo...

Open access Research Article 10.9734/IRJPAC/2015/17436