Search Results - "Azefack Tapondjou, Léon"

Bioactive Arylnaphthalide Lignans from Justicia depauperata by Tchegnitegni Toussie, Billy, Nguengang, Ruland Tchuinkeu, Mawabo, Isabelle Kamga, Teponno, Rémy Bertrand, Kezetas Bankeu, Jean Jules, Chouna, Jean Rodolphe, Nkenfou, Celine Ngeufeu, Tapondjou, Léon Azefack, Sewald, Norbert, Lenta, Bruno Ndjakou

“…Eleven previously undescribed arylnaphthalide lignans (1–11) together with seven known compounds were isolated from the whole plant of Justicia depauperata…”
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Manniosides G-J, New Ursane- and Lupane-Type Saponins from Schefflera mannii (Hook.f.) Harms by Tonga, Simionne Lapoupée Kuitcha, Tchegnitegni, Billy Toussie, Siwe-Noundou, Xavier, Tsopmene, Ulrich Joël, Ponou, Beaudelaire Kemvoufo, Dzoyem, Jean Paul, Poka, Madan, Demana, Patrick H, Tapondjou, Léon Azefack, Beukes, Denzil R, Antunes, Edith M, Teponno, Rémy Bertrand

“…Four previously unreported triterpenoid saponins named 3β-hydroxy-23-oxours-12-en-28-oic acid 28- -β- -glucopyranosyl ester (mannioside G) ( ), 23-…”
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Rheediinosides A and B, two antiproliferative and antioxidant triterpene saponins from Entada rheedii by Nzowa, Laurence Kegah, Barboni, Luciano, Teponno, Remy Bertrand, Ricciutelli, Massimo, Lupidi, Giulio, Quassinti, Luana, Bramucci, Massimo, Tapondjou, Léon Azefack

“…Two triterpenoid saponins have been isolated from the seed kernels of Entada rheedii. Their structures have been established using 1D- and 2D-NMR and MS as 3-…”
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Ethnobotany, Phytochemistry, and Biological Activities of the Genus Cordyline by Tematio Fouedjou, Romuald, Tsakem, Bienvenu, Siwe-Noundou, Xavier, Dongmo Fogang, Hervet P, Tiombou Donkia, Aphalaine, Kemvoufo Ponou, Beaudelaire, Poka, Madan, Demana, Patrick H, Teponno, Rémy B, Azefack Tapondjou, Léon

“…species have a long history in traditional medicine as a basis of treatment for various ailments such as a bloody cough, dysentery, and a high fever. There are…”
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Dimeric antioxidant and cytotoxic triterpenoid saponins from Terminalia ivorensis A. Chev by Ponou, Beaudelaire Kemvoufo, Teponno, Rémy Bertrand, Ricciutelli, Massimo, Quassinti, Luana, Bramucci, Massimo, Lupidi, Giulio, Barboni, Luciano, Tapondjou, Léon Azefack

“…Three saponins, including two dimeric triterpenoid glucosides possessing an unusual skeleton ( 1, 2) and a monomeric triterpenoid saponin ( 3) together with…”
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Constituents from ripe figs of Ficus vallis-choudae Delile (Moraceae) with antiplasmodial activity by Chouna, Hardo Suzy Donfack, Dize, Darline, Kagho, Donald Ulrich Kenou, Bankeu, Jean Jules Kezetas, Fongang, Yannick Stéphane Fotsing, Tali, Mariscal Brice Tchatat, Ponou, Beaudelaire Kemvoufo, Bitchagno, Gabin Thierry Mbahbou, Awantu, Angelbert Fusi, Tapondjou, Léon Azefack, Lenta, Bruno Ndjakou, Fekam, Fabrice Boyom, Sewald, Norbert, Ngouela, Silvère Augustin

“…Ripe figs, barks, and wood of Ficus vallis-choudae are used in traditional medicine against several conditions including nausea and malaria. However, its use…”
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Hepatoprotective effects of extracts, fractions and compounds from the stem bark of Pentaclethra macrophylla Benth: Evidence from in vitro and in vivo studies by Bomgning, Cyrille Lionel Kamga, Sinda, Pierre Valery Kemdoum, Ponou, Beaudelaire Kemvoufo, Fotio, Agathe Lambou, Tsague, Mathias Kenfack, Tsafack, Borice Tapondjou, Kühlborn, Jonas, Mbuyo-Nguelefack, Elvine Pami, Teponno, Rémy Bertrand, Opatz, Till, Tapondjou, Léon Azefack, Nguelefack, Télesphore Benoit

“…[Display omitted] •Pentaclethra macrophylla extracts and fractions induced concentration-dependent inhibition of lipid peroxidation greater than that of…”
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Pennogenin-3-O-α-L-Rhamnopyranosyl-(1→2)-[α-L-Rhamnopyranosyl-(1→3)]-β-D-Glucopyranoside (Spiroconazol A) Isolated from Dioscorea bulbifera L. var. sativa Induces Autophagic Cell Death by p38 MAPK Activation in NSCLC Cells by Ki, Yo Sook, Chung, Kyung-Sook, Lee, Heon-Woo, Choi, Jung-Hye, Tapondjou, Léon Azefack, Jang, Eungyeong, Lee, Kyung-Tae

“…In our previous study, we reported the isolation of pennogenin-3-O-α-L-rhamnopyranosyl-(1→2)-[α-L-rhamnopyranosyl-(1→3)]-β-D-glucopyranoside (spiroconazol A),…”
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Steroidal Saponins from Dracaena humilis (Dracaenaceae) and their Chemotaxonomic Significance by Cédric, Mbiesset Mouzié, Beaudelaire, Kemvoufo Ponou, Romuald, Tematio Fouedjou, Rémy, Bertrand Teponno, Léon, Azefack Tapondjou

“…A new steroidal saponin, (23S,24S)-spirosta-5,25(27)-diene-1β,3β,23,24-tetrol…”
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Echinocystic Acid Bidesmoside Saponins from Microglossa afzelii O. Hoffm and Their Cytotoxic Activity against the CAL-27 Oral Squamous Carcinoma Cell Line by Tchegnitegni, Billy Toussie, Ahmed, Tehmina, Ngouafong, Francis Tatong, Kamso, Viviane Flore Kamlo, Teponno, Rémy Bertrand, Lenta, Bruno Ndjakou, Tapondjou, Léon Azefack, Ali, Arslan, Musharraf, Syed Ghulam

“…This paper describes eight new triterpenoid saponins, including afzeliioside A (1), four acetylated afzeliiosides as pairs of inseparable regioisomers, called…”
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Assessing implementation modalities of mhealth intervention on pregnant women in Dschang health district, West region of Cameroon by Afutendem, Nkemngu Blake, Baleba, Aubin Nino, Tapondjou, Azefack Léon, Nkfusai, Claude Ngwayu, Viyoff, Vecheusi Zennobia, Nsai, Frankline Sanyuy, Shirinde, Joyce, Cumber, Samuel Nambile

“…Every 90 seconds, a woman dies of complications related to pregnancy and childbirth, resulting in more than 340,000 maternal deaths a year. Antenatal care…”
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A New Flavonol Glycoside from Tristemma hirtum (Melastomataceae) by Kenfack, Joseph Nandjou, Ponou, Beaudelaire Kemvoufo, Kühlborn, Jonas, Teponno, Rémy Bertrand, Nono, Raymond Ngansop, Fouedjou, Romuald Tématio, Opatz, Till, Park, Hee Juhn, Tapondjou, Léon Azefack

“…Chemical investigation of the plant Tristemma hirtum P. Beauv (Melastomataceae) resulted to the isolation of a new flavonol glycoside named…”
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Bafoudiosbulbins F and G, further clerodane diterpenoids from Dioscorea bulbifera L. var sativa and revised structure of Bafoudiosbulbin B by Teponno, Rémy Bertrand, Tapondjou, Azefack Léon, Abou-Mansour, Eliane, Stoeckli-Evans, H., Tane, Pierre, Barboni, Luciano

“…From the bulbils of Dioscorea bulbifera L. var sativa, two clerodane diterpenoids, Bafoudiosbulbins F ( 1) and G ( 2), together with five known compounds:…”
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Bafoudiosbulbins A, and B, two anti-salmonellal clerodane diterpenoids from Dioscorea bulbifera L. var sativa by Teponno, Rémy Bertrand, Tapondjou, Azefack Léon, Gatsing, Donatien, Djoukeng, Jules Désiré, Abou-Mansour, Eliane, Tabacchi, Raphael, Tane, Pierre, Stoekli-Evans, H., Lontsi, David

“…Two clerodane diterpenoids, Bafoudiosbulbins A 1, and B 2, together with five known compounds: tetracosanoic acid, 1-(tetracosanoyl)-glycerol,…”
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Effectiveness of eight essential oils against two key stored-product beetles, Prostephanus truncatus (Horn) and Trogoderma granarium Everts by Kavallieratos, Nickolas G., Boukouvala, Maria C., Ntalli, Nikoletta, Skourti, Anna, Karagianni, Effrosyni S., Nika, Erifili P., Kontodimas, Demetrius C., Cappellacci, Loredana, Petrelli, Riccardo, Cianfaglione, Kevin, Morshedloo, Mohammad Reza, Tapondjou, Léon Azefack, Rakotosaona, Rianasoambolanoro, Maggi, Filippo, Benelli, Giovanni

“…The use of chemical pesticides to preserve food commodities is a global issue of concern due to their negative effect on the environment and public health. In…”
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Integracide K: A New Tetracyclic Triterpenoid from Desmodium uncinatum (Jacq.) DC. (Fabaceae) by Tsafack, Borice Tapondjou, Ponou, Beaudelaire Kemvoufo, Teponno, Rémy Bertrand, Nono, Raymond Ngansop, Jenett-Siems, Kristina, Melzig, Matthias F., Park, Hee Juhn, Tapondjou, Léon Azefack

“…A new tetracyclic triterpenoid [4,4,24-trimethylcholesta-D8,9;14,15;24,28-trien-3b,11b,12a-triol-12-acetate, 3-sulfate] sodium salt (1), together with eight…”
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Pyrroloquinolones B–F: Five unusual alkaloids from Vernonia glabra (Steetz) Vatke (Asteraceae) by Kana Takeuneu, Voutro, Eckhardt, Paul, Tapondjou Tsafack, Borice, Tsopmene, Ulrich Joël, Ponou, Beaudelaire Kemvoufo, Dzoyem, Jean Paul, Teponno, Rémy Bertrand, Opatz, Till, Tapondjou, Léon Azefack

“…Five unusual alkaloids featuring a pyrrolo[1,2-a]quinolone skeleton (pyrroloquinolones B–F, 1–5) were isolated from the ethanol extract of the whole plant of…”
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Three New Clerodane Diterpenoids from the Bulbils of Dioscorea bulbifera L. var. sativa by Teponno, Rémy Bertrand, Tapondjou, Azefack Léon, Ju-Jung, Hyun, Nam, Jung-Hwan, Tane, Pierre, Park, Hee-Juhn

“…From the bulbils of Dioscorea bulbifera L. var. sativa, three new clerodane diterpenoids, bafoudiosbulbin C (=methyl (2β,8α,12S)‐17‐oxo‐2,19 : 8,19 : 12,17 :…”
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Botanicals and phytochemicals from the bark of Hypericum roeperianum (Hypericaceae) had strong antibacterial activity and showed synergistic effects with antibiotics against multidrug-resistant bacteria expressing active efflux pumps by Demgne, Olive Monique F., Damen, Francois, Fankam, Aimé G., Guefack, Michel-Gael F., Wamba, Brice E.N., Nayim, Paul, Mbaveng, Armelle T., Bitchagno, Gabin T.M., Tapondjou, Léon Azefack, Penlap, Veronique B., Tane, Pierre, Efferth, Thomas, Kuete, Victor

“…Infections due to multidrug-resistant (MDR) bacteria constitute a real problem in the public health worldwide. Hypericum roeperianum Schimp. ex A. Rich…”
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Exploring Cassia mimosoïdes as a promising natural source of steroids with potent anti-cancer, urease inhibition, and antimicrobial properties by Kepdieu Tchebou, Robert Viani, Farooq, Umar, Teponno, Rémy Bertrand, Wani, Tanveer A, Tapondjou, Léon Azefack, Rasool, Azhar, Sarwar, Rizwana, Khushal, Aneela, Bukhari, Syed Majid, Zargar, Seema, Xu, Hong-Guang, Khan, Sara

“…The genus is a rich source of physiologically active secondary metabolites, including a novel compound named 21-methylene-24-ethylidene lophenol, alongside 15…”
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