Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Herve M. P. Poumale"'
A preliminary study on Echinops giganteus (Asteraceae) showed that the methanolic extract has interesting cytotoxicities against a panel of cancer cell lines. From this extract, a lignan, a flavonoid and a polyacetylenic thiophene identified were thr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43d36535e3549c68561916af74d6d0c6
Autor:
Zacharias Tanee Fomum, Juliette Catherine Vardamides, Augustin Ephrem Nkengfack, Herve M. P. Poumale, Hartmut Laatsch, Brigitte Ndemangou, Valerie Tedjon Sielinou
Publikováno v:
Planta Medica. 73:491-495
Three new compounds, 15-acetoxy-12-hydroxy-16-methyl-labda-8(17),13 E-diene ( 1), ENT-labda-8(17),13-dien-15,16-olid-19-oic acid methyl ester ( 2), and 12-hydroxy-labda-8(17),13-dien-15,16-olide ( 3), together with two known compounds, 19-acetoxy- EN
Publikováno v:
Zeitschrift für Naturforschung B. 61:1450-1454
Two new anthraquinones were isolated from the marine Streptomyces sp. B8000, in addition to the known metabolites 3,8-dihydroxy-1-propylanthraquinone-2-carboxylic acid (1a), indole-3- carboxylic acid, 2-desoxythymidin, indole-3-acetic acid methyl est
Publikováno v:
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences. 860(2)
The butenolide ring is the main common characteristic of all cardenolides. Its formation is supposed to be initiated by the transfer of a malonyl moiety from malonyl-coenzyme A to an appropriate 21-hydroxypregnane. A new, reliable, fast and sensitive
Publikováno v:
ChemInform. 38
Publikováno v:
Planta Medica. 73
Autor:
Muhammad Choudhary Iqbal, Bonaventure T. Ngadjui, Herve M. P. Poumale, Jean Duplex Wansi, Jean Alexandre Lado, Luc Meva'a Mbaze, Hartmut Laatsch, Shamsun Nahar Khan
Publikováno v:
Phytochemistry. 68(5)
In addition to fatty acids, a mixture of sterols (beta-sitosterol, stigmasterol, campesterol and stigmastanol), lupeol, arctigenin methylether, sesamin, vanillic acid (1), 2,6-dimethoxy-1,4-benzoquinone (2), betulinic acid and two pentacyclic triterp