Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Billy Toussie, Tchegnitegni"'
Autor:
Simionne Lapoupée Kuitcha Tonga, Billy Toussie Tchegnitegni, Xavier Siwe-Noundou, Ulrich Joël Tsopmene, Beaudelaire Kemvoufo Ponou, Jean Paul Dzoyem, Madan Poka, Patrick H. Demana, Léon Azefack Tapondjou, Denzil R. Beukes, Edith M. Antunes, Rémy Bertrand Teponno
Publikováno v:
Molecules, Vol 29, Iss 15, p 3447 (2024)
Four previously unreported triterpenoid saponins named 3β-hydroxy-23-oxours-12-en-28-oic acid 28-O-β-D-glucopyranosyl ester (mannioside G) (1), 23-O-acetyl-3β-hydroxyurs-12-en-28-oic acid 28-O-β-D-glucopyranosyl ester (mannioside H) (2), ursolic
Externí odkaz:
https://doaj.org/article/408ef24638cb42df88e52dfe29d7d493
Autor:
Viviane Flore Kamlo Kamso, Yanick Kevin Dongmo Melogmo, Billy Toussie Tchegnitegni, Mariscal Brice Tchatat Tali, Darline Dize, Cyrille Njampa Ngansop, Pantaléon Ambassa, Judith Laure Ouete Nantchouang, Ingrid Simo Konga, Fabrice Fekam Boyom, Bonaventure Tchaleu Ngadjui, Ghislain Wabo Fotso
Publikováno v:
Heliyon, Vol 9, Iss 12, Pp e22897- (2023)
Three new lignan glucosides, namely, justisecundosides A (1), B (2a), and C (2b), were isolated from the whole plant of Justicia secunda together with seven known compounds (3−9). Their structures were established based on a comprehensive analysis
Externí odkaz:
https://doaj.org/article/2d933c72bdc345a5bb64e29c7879178a
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:
Billy Toussie Tchegnitegni, Tehmina Ahmed, Francis Tatong Ngouafong, Viviane Flore Kamlo Kamso, Rémy Bertrand Teponno, Bruno Ndjakou Lenta, Léon Azefack Tapondjou, Arslan Ali, Syed Ghulam Musharraf
Publikováno v:
Metabolites, Vol 12, Iss 11, p 1018 (2022)
This paper describes eight new triterpenoid saponins, including afzeliioside A (1), four acetylated afzeliiosides as pairs of inseparable regioisomers, called afzeliiosides B/C (2/3) and D/E (4/5), afzeliiosides F-H (6–8), and a known impatiprin C
Externí odkaz:
https://doaj.org/article/d30584476b614efebbc901eb1421e844
Autor:
Bosco Peron Leutcha, Jean Paul Dzoyem, Jean-Bosco Jouda, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Gabin Thierry Mbahbou Bitchagno, Billy Toussie Tchegnitegni, Flaure Rosette Ehawa Essoung, Bruno Ndjakou Lenta, Siméon Fogue Kouam, Florence Delie, Alain Meli Lannang, Norbert Sewald
Publikováno v:
Molecules, Vol 27, Iss 15, p 4823 (2022)
Twenty-two compounds were isolated from the fruit of Albizia lebbeck including one unprecedented, rare amino acid-derived zwitterionic and one new flavone derivative. The isolation was performed on repeated column chromatography over silica gel and t
Externí odkaz:
https://doaj.org/article/fe2e92e6d8c8421ba5104ace20697d26
Autor:
Ulrich Membe Femoe, Joseph Bertin Kadji Fassi, Hermine Boukeng Jatsa, Yannick Leonel Tchoffo, David Carel Amvame Nna, Blaise Cédric Kamdoum, Steven Collins Njonte Wouamba, Billy Toussie Tchegnitegni, Bonaventure Tchaleu Ngadjui, Norbert Sewald, Bruno Ndjakou Lenta, Louis-Albert Tchuem Tchuente, Theophile Dimo
Publikováno v:
Evidence-based Complementary and Alternative Medicine : eCAM
Evidence-Based Complementary and Alternative Medicine, Vol 2022 (2022)
Evidence-Based Complementary and Alternative Medicine, Vol 2022 (2022)
Despite the global efforts, schistosomiasis remains a public health problem in several tropical and subtropical countries. One of the major challenges in the fight against schistosomiasis is the interruption of the parasite life cycle. Here, we evalu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e95242c95b4df11e14189db3c065c26
https://doi.org/10.1155/2022/7281144
https://doi.org/10.1155/2022/7281144
Autor:
Ghislain FOTSO WABO, Viviane Flore Kamlo Kamso, Yannick Kevin Dongmo Melogmo, Billy Toussie Tchegnitegni, Mariscal Brice Tchatat Tali, Darline Dize, Cyrille Njanpa Ngansop, Pantaléon Ambassa, Judith Laure Ouete Nantchouang, Ingrid Simo Konga, Fabrice Boyom, Bonaventure Tchaleu Ngadjui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b03215445951ed285899ea955b4a7418
https://doi.org/10.2139/ssrn.4451236
https://doi.org/10.2139/ssrn.4451236
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:
Sewald, Bosco Peron Leutcha, Jean Paul Dzoyem, Jean-Bosco Jouda, Denis Kehdinga Sema, Virginie Flaure Tsague Tankeu, Gabin Thierry Mbahbou Bitchagno, Billy Toussie Tchegnitegni, Flaure Rosette Ehawa Essoung, Bruno Ndjakou Lenta, Siméon Fogue Kouam, Florence Delie, Alain Meli Lannang, Norbert
Publikováno v:
Molecules; Volume 27; Issue 15; Pages: 4823
Twenty-two compounds were isolated from the fruit of Albizia lebbeck including one unprecedented, rare amino acid-derived zwitterionic and one new flavone derivative. The isolation was performed on repeated column chromatography over silica gel and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::c9f84a0b60bf0a6f53b3d7435328ab8a
Autor:
Djamila Zouheira, Sylvie Lea Wansi Ngnokam, Sylviane Laure Poualeu Kamani, Billy Toussie Tchegnitegni, Jean Bosco Jouda, Jean Romuald Mba, Moïse Legentil Nchouwet, Njini Gael Nfor, Alain K. Nyirimigabo, Théodora Kopa Kowa, Gabriel A. Agbor
Publikováno v:
BioMed Research International.
Objective. The present study investigated the effect of the leaves extracts and fractions of Plectranthus glandulosus on the inhibition of pancreatic lipase, cholesterol esterase, adipocytes lipid uptake, and antithrombotic activity which may be impo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e2aed051dfe2d15c7d99591c95e90aa