Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Jean Rodolphe Chouna"'
Autor:
Stéphane Zingue, Yannick Stéphane Fotsing Fongang, Eric Roger Ossomba, Vanneck Tatsinda, Kevine Kamga Silihe, William Defo Mbou, Balotin Fogang, René Essomba, Jean Rodolphe Chouna, Dieudonné Njamen, Lawrence Ayong
Publikováno v:
Heliyon, Vol 10, Iss 15, Pp e35000- (2024)
Aim: Recent developments in cancer research indicate that cancer is a manifestation of immune system dysfunction. Many natural anticancer agents developed recently possess immune-modulatory properties. In our ongoing pursuit of anticancer alternative
Externí odkaz:
https://doaj.org/article/b68418367db1469796da32aa6a8eebc4
Autor:
Ruland Tchuinkeu Nguengang, Billy Toussie Tchegnitegni, Eric Carly Nono Nono, Georges Bellier Tabekoueng, Yannick Stéphane Fotsing Fongang, Jean Jules Kezetas Bankeu, Jean Rodolphe Chouna, Céline Nguefeu Nkenfou, Fabrice Boyom Fekam, Norbert Sewald, Bruno Ndjakou Lenta
Publikováno v:
Molecules, Vol 28, Iss 6, p 2473 (2023)
The chemical investigation of the n-hexane fraction from the methanol extract of the stem bark of Symphonia globulifera Linn f., which displayed good in vitro activity against Leishmania donovani NR-48822 promastigotes (IC50 43.11 µg/mL), led to the
Externí odkaz:
https://doaj.org/article/4ff7dc01ffbd4c6983fafe3c1622cd47
Autor:
Arnauld Kenfack Djoumessi, Raymond Ngansop Nono, Beate Neumann, Hans-Georg Stammler, Gabin Thierry Mbahbou Bitchagno, Noella Molisa Efange, Celine Nguefeu Nkenfou, Lawrence Ayong, Bruno Ndjakou Lenta, Norbert Sewald, Pépin Nkeng-Efouet-Alango, Jean Rodolphe Chouna
Publikováno v:
Metabolites, Vol 13, Iss 2, p 298 (2023)
The chemical investigation of the EtOH extract from the stem bark of Trichilia monadelpha (Thonn.) J. J. De Wilde afforded two new limonoids (1 and 2): 24-acetoxy-21,25-dihydroxy-21,23-epoxytirucall-7-en-3-one (1) and (6R)-1-O-deacetylkhayanolide E (
Externí odkaz:
https://doaj.org/article/43ac92ecc5924736bea0e47d0afa40b1
Publikováno v:
Biomolecules, Vol 5, Iss 2, Pp 910-942 (2015)
Plants of the Lauraceae family are widely used in traditional medicine and are sources of various classes of secondary metabolites. Two genera of this family, Beilschmiedia and Endiandra, have been the subject of numerous investigations over the past
Externí odkaz:
https://doaj.org/article/f9bc8f5c0149411c95b076fa9424c539
Autor:
Jean de Dieu Tamokou, Jean Rodolphe Chouna, Eva Fischer-Fodor, Gabriela Chereches, Otilia Barbos, Grigore Damian, Daniela Benedec, Mihaela Duma, Alango Pépin Nkeng Efouet, Hippolyte Kamdem Wabo, Jules Roger Kuiate, Augustin Mot, Radu Silaghi-Dumitrescu
Publikováno v:
PLoS ONE, Vol 8, Iss 2, p e55880 (2013)
Traditional remedies have a long-standing history in Cameroon and continue to provide useful and applicable tools for treating ailments. Here, the anticancer, antimicrobial and antioxidant activities of ten antioxidant-rich Cameroonian medicinal plan
Externí odkaz:
https://doaj.org/article/a67dd9a8872f49e680227903e454bc90
Autor:
Vanneck Bedel Tatsinda Tsapi, Yannick Stéphane Fotsing Fongang, Angelbert Fusi Awantu, Jean Jules Kezetas Bankeu, Mehreen Lateef, Jean Rodolphe Chouna, Pépin Nkeng-Efouet-Alango, Muhammad Shaiq Ali, Bruno Ndjakou Lenta
Publikováno v:
Zeitschrift für Naturforschung C.
Crotofoligandrin (1), a new endoperoxide crotofolane-type diterpenoid was isolated from the dichloromethane/methanol (1:1) extract of the twigs of Croton oligandrus Pierre Ex Hutch along with thirteen known secondary metabolites including 1-nonacosan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a319c1ca5c2208fb156eaf951bddf95f
https://doi.org/10.1515/znc-2022-0204
https://doi.org/10.1515/znc-2022-0204
Autor:
Ruland Tchuinkeu, Nguengang, Billy Toussie, Tchegnitegni, Joel Eddy Terence, Ateba, Georges Bellier, Tabekoueng, Angelbert Fusi, Awantu, Jean Jules Kezetas, Bankeu, Jean Rodolphe, Chouna, Celine Nguefeu, Nkenfou, Norbert, Sewald, Bruno Ndjakou, Lenta
Publikováno v:
Natural product research.
The CH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6c069135151833b7b8a6692481e40dbf
https://pubmed.ncbi.nlm.nih.gov/36584290
https://pubmed.ncbi.nlm.nih.gov/36584290
Autor:
Billy, Tchegnitegni Toussie, Ruland Tchuinkeu, Nguengang, Isabelle Kamga, Mawabo, Rémy Bertrand, Teponno, Jean Jules, Kezetas Bankeu, Jean Rodolphe, Chouna, Celine Ngeufeu, Nkenfou, Léon Azefack, Tapondjou, Norbert, Sewald, Bruno Ndjakou, Lenta
Publikováno v:
Journal of natural products.
Eleven previously undescribed arylnaphthalide lignans (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c3b4724e55ee81a78b655c5e08d6132c
https://pubmed.ncbi.nlm.nih.gov/36469853
https://pubmed.ncbi.nlm.nih.gov/36469853
Autor:
Jean Koffi Garba, Ruland Tchuinkeu Nguengang, Gwladys Tatiana Youmbi, Joel Njopnu Menatche, Cyrille Armel Njanpa Ngansop, Jean Jules Kezetas Bankeu, Jean Rodolphe Chouna, Fabrice Fekam Boyom, Norbert Sewald, Bruno Ndjakou Lenta
Publikováno v:
Zeitschrift für Naturforschung B. 77:9-15
The search for antileishmanial plants used in traditional medicine led to the choice of CH2Cl2–MeOH (1:1) crude extract of the fruits and stem bark of Pentadesma butyracea Sabine (Clusiaceae) which displayed good activity in vitro against Leishmani
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f33fcb42a6f7b1b693117c3397a18a7a
https://doi.org/10.1515/znb-2021-0077
https://doi.org/10.1515/znb-2021-0077
Autor:
Pépin Nkeng-Efouet-Alango, Mbasso Joseph Eric Tameko, Ndjakou Bruno Lenta, Ngansop Raymond Nono, Marcel Frese, Norbert Sewald, Azefack Léon Tapondjou, Jean Rodolphe Chouna
Publikováno v:
Cameroon Journal of Experimental Biology; Vol. 14 No. 2 (2020); 11-15
Phytochemical investigation of the stem bark extract of Psychotria djumaensis led to the isolation of ten known pentacyclic triterpenoids among which one lupane-, three oleanane-, and six ursane-types. The structures of the isolated compounds were es
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f215ce29224546af3536317e1a5b3a2
https://doi.org/10.4314/cajeb.v14i2.3
https://doi.org/10.4314/cajeb.v14i2.3