Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Jacques Kouam"'
Publikováno v:
Toxicological & Environmental Chemistry. 90:815-828
The methanol (M) extract of the fruit-rinds of Picralima nitida (PN) was analyzed phytochemically and evaluated for its toxicity effect in Wistar rats. The rats were administered graded doses (0.75, 1.5, 3, and 6 g kg−1 p.o) of the extract daily fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8935cb763565698b2fd84a8248759815
https://doi.org/10.1080/02772240701747556
https://doi.org/10.1080/02772240701747556
Publikováno v:
Zeitschrift für Naturforschung B. 63:101-104
A new triterpenoid saponin, olean-12-ene-3β ,19β ,24-triol-3-O-β -D-glucopyranoside, named sigmoiside F and a new triterpenoid, 3β -n-propyloxy-β -amyrin, were isolated from the methanolic extract of the stem bark of Erythrina sigmoidea. Their s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75cbe44e52c106081a242bb1163848db
https://doi.org/10.1515/znb-2008-0115
https://doi.org/10.1515/znb-2008-0115
Publikováno v:
Chemical and Pharmaceutical Bulletin. 58:1100-1102
Three new olean-12-ene derivatives (1-3), together with known urs-12-ene-3beta, 28-diol (4) were isolated from the stem root of Cylicodiscus gabunensis. The structures of the new compounds were established by chemical and spectroscopic means as beta-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10d19731eb6a3d5e917edf19d98a3bea
https://doi.org/10.1248/cpb.58.1100
https://doi.org/10.1248/cpb.58.1100
Autor:
Augustin E. Nkengfack, Timothee W. Vouffo, Zacharias Tanee Fomum, Jacques Kouam, Michèle Meyer, Juliette C. Vardamides, Olov Sterner
Publikováno v:
Phytochemistry. 46:573-578
From the stem and root bark of Erythrina sigmoidea and E. eriotricha, one new prenylated flavanone, named sigmoidin L, and two new esters of ferulic and isoferulic acid, erythrinassinates C and D, were isolated together with eight known compounds, in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3bf7982cc7f2626b6a7bfabd09298c7
https://doi.org/10.1016/s0031-9422(97)00291-4
https://doi.org/10.1016/s0031-9422(97)00291-4
Publikováno v:
BMC Complementary and Alternative Medicine
Background Picralima nitida Stapf (Apocynaceae) is a medicinal plant used traditionally in Cameroon to cure various ailments such as gastrointestinal disorders and dysentery. This study reports the in vitro and in vivo anti-shigellosis activity of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60508ccfe9ce076684d2a9c96174b343
https://doi.org/10.1186/1472-6882-13-211
https://doi.org/10.1186/1472-6882-13-211
Autor:
Tize Zra, Oyono Essame Jean Louis, Talla Emmanuel, Laure Brigitte Mabeku Kouitcheu, Jacques Kouam
Publikováno v:
International Journal of Biology. 5
The objective of this study was to evaluate in vitro synergy of extracts from Picralima nitida, Cylicodiscus gabunensis, Cassia arereh and Trichilia emetica and known antimicrobial agents against clinical isolate of vibrio cholerae. The in vitro anti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2af8c1db07a6f8509adecb1d28a37160
https://doi.org/10.5539/ijb.v5n3p64
https://doi.org/10.5539/ijb.v5n3p64
Autor:
Michael S. Tempesta, Jacques Kouam, Timothee W. Vouffo, Augustin Ephrem Nkengfack, Z. Tanee Fomum, Michele Meyer
Publikováno v:
Phytochemistry. 35:521-526
Analysis of the root bark and stem wood of Erythrina sigmoidea led to the isolation of a novel isoflavanone named sigmoidin H and a new coumestan, 4-hydroxycoumestrol, in addition to the known flavonoids abyssinone IV, abyssinone VI, erythrabyssin II
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a060459599aae8a1a64da7ac15fb020
https://doi.org/10.1016/s0031-9422(00)94794-0
https://doi.org/10.1016/s0031-9422(00)94794-0
Publikováno v:
ChemInform. 42
The stem bark of the title tree is used in the traditional African medicine for various therapeutic purposes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f514eff9288f450b22c9e9ee84e3ee2
https://doi.org/10.1002/chin.201101181
https://doi.org/10.1002/chin.201101181
Autor:
Zacharias Tanee Fomum, Jean Watchueng, Victor Kuete, Pierre Tane, Jacques Kouam, Kazie Nchancho
Publikováno v:
Scopus-Elsevier
Two new coumestan glycosides, coumestoside C (1) and coumestoside D (2), were isolated from the stem bark of Cylicodiscus gabunensis Harms. Their structures were established by spectroscopic means and chemical transformations as 9- O-α-L-rhamnopyran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::363bf7a43411d8763392194e1a553525
https://pubmed.ncbi.nlm.nih.gov/19731596
https://pubmed.ncbi.nlm.nih.gov/19731596
Autor:
A. Ephrem Nkengfack, Jacques Kouam, Z. Tanee Fomum, Michael S. Tempesta, Rosa Ubillas, Michele Meyer
Publikováno v:
Journal of Natural Products. 54:1288-1292
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8df7ceb6afb9106309a7f033d6e74bc1
https://doi.org/10.1021/np50077a008
https://doi.org/10.1021/np50077a008