Search Results - "Mbafor, J. T."

Secondary metabolites from Senecio burtonii (Compositae) by Ndom, J.C., Mbafor, J.T., Azebaze, A.G.B., Vardamides, J.C., Kakam, Z., Kamdem, A.F.W., Deville, A., Ngando, T.M., Fomum, Z.T.

“…A cacalolide derivative named 4α-[2′-hydroxymethylacryloxy]-1β-hydroxy-14-(5-6)abeo eremophilan-12,8-olide and a shikimic acid derivative named (3′…”
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Antimicrobial activity of Bridelia ferruginea leaves extracts by Talla, E., Djamen, D., Djouldé, D.R., Tatsadjeu, L., Tantoh, D., Mbafor, J.T., Fomum, Z.T.

“…Methanol, ethyl acetate, and hexane extracts of Bridelia ferruginea leaves exhibited significant activity against Pseudomonas frutescens, Bacillus subtilis,…”
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Furanoflavones from root bark of Millettia sanagana by Mbafor, J.T., Atchade, A.T., Nkengfack, A.E., Fomum, Z.T., Sterner, Olov

“…A new furanoflavone, named sanaganone, was isolated from the root bark of Millettia sanagana in addition to four known compounds, pongamol, lanceolatin B,…”
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Inhibition of Histamine-induced Contraction of Rat Ileum by Promethazine and the Methanol Stembark Extract of Erythrina sigmoidea (Hua) by Nkeh, B., Kamany, A., Bopelet, M., Ayafor, J. F., Mbafor, J. T.

“…Histamine, a potent H1 and H2 receptor agonist provoked dose dependent contractions of the rat ileal strip. The contractile effect was reduced by almost 54.6%…”
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Sesquiterpene lactones from Crepis cameroonica (Asteraceae) by Ndom, J. C., Mbafor, J. T., Wansi, J. D., Kamdem, A. W., Meva'a, L. M., Vardamides, J. C., Toukam, F., Pegyemb, D., Ngando, T. M., Laatsch, H., Fomum, Z. T.

“…In addition to one known compound, 3β,8α-dihydroxyguaian-4(15),10(14),11(13)-trien-6,12 olide (8-desacylcynaropicrin) (3), two new sesquiterpene lactones have…”
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Further isoflavonoid metabolites from Millettia griffoniana (Bail) by Yankep, Emmanuel, Mbafor, J.Tanyi, Fomum, Z.Tanee, Steinbeck, Christoph, Messanga, Bernard Blaise, Nyasse, Barthelemy, Budzikiewicz, H., Lenz, Christof, Schmickler, Hans

“…Three new isoflavonoids, griffonianone A (1), B (2) and C (4) were isolated from the root bark of Millettia griffoniana, along with the known maximaisoflavone…”
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Biological activity of plant extracts and isolated compounds from Alchornea laxiflora: Anti-HIV, antibacterial and cytotoxicity evaluation by Siwe-Noundou, X., Ndinteh, D.T., Olivier, D.K., Mnkandhla, D., Isaacs, M., Muganza, F.M., Mbafor, J.T., Van Vuuren, S.F., Patnala, S., Hoppe, H., Krause, R.W.M.

“…This study was designed to assess the cytotoxicity, anti-HIV and antibacterial efficacy of various solvent extracts of roots, stem and leaves of Alchornea…”
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Sigmoidin F, a New Prenylated Flavonoid from Erythrina sigmoidea by Promsattha, Rattanaporn, Mbafor, Joseph T, Tempesta, Michael S, Fomum, Z. Tanee

“…Sigmoidin F, a new prenylated flavanone, as well as abyssinone IV and 5,7,4'-trihydroxy-3'-methoxy-5'-(1"-prenyl) flavonone have been isolated from the stem…”
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Two biflavonoids from Ouratea nigroviolacea by Ngo Mbing, Josephine, Enguehard-Gueiffier, Cécile, Atchadé, Alex de Théodore, Allouchi, Hassan, Gangoué-Piéboji, Joseph, Mbafor, Joseph Tanyi, Tih, Raphael Ghogomu, Pothier, Jacques, Pegnyemb, Dieudonné Emmanuel, Gueiffier, Alain

“…Two biflavonoids, ouratine A and B ( 1– 2) were isolated from the leaves of Ouratea nigroviolacea together with two known compounds. The structure of 1 was…”
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Isolation and Characterization of Taxifolin 6-C-glucoside from Garcinia epunctata by Mbafor, J. Tanyi, Fomum, Z. Tanee, Promsattha, Rattanaporn, Sanson, Dale R, Tempesta, Michael S

“…Garcinia epuctata is an indigenous medicinal plant of Cameroon from which taxifolin 6-C-glucoside was isolated and characterized. The nmr assignments obtained…”
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Prenylated isoflavonoids from Erythrina senegalensis by Oh, Won Keun, Lee, Hyun Sun, Ahn, Soon Cheol, Ahn, Jong Seog, Mbafor, J.Tanyi, Wandji, Jean, Fomum, Z.Tanee, Chang, Hye Kyung, Kim, Yong Hae

“…Two prenylated isoflavonoids, erysenegalensein N, 5,7,2′,4′-tetrahydroxy-6-(2″-hydroxy-3″-methylbut-3″-enyl)-8-( γ, γ-dimethylallyl) isoflavone and…”
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Evaluation of the sedative and anticonvulsant properties of three Cameroonian plants by Okomolo, Fleur Clarisse Moto, Mbafor, Joseph Tanyi, Bum, Elisabeth Ngo, Kouemou, Nadège, Kandeda, Antoine Kavaye, Talla, Emmanuel, Dimo, Théophile, Rakotonirira, Alice, Rakotonirira, Silvère Vincent

“…Millettia thonningii, Ocinum sanctum and Securitaca longepedunculaca are used in traditional medicine in Cameroon to treat epilepsy, insomnia and headaches…”
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Triterpenoid saponins from Erythrina sigmoidea by Tanyi Mbafor, J., Ndom, Jean-Claude, Tanee Fomum, Z.

“…Two new triterpenoid saponins, designated sigmoside C and D, have been isolated from the methanol extract of the stem bark of Erythrina sigmoidea in addition…”
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Anti-inflammatory activities of two flavanones, sigmoidin A and sigmoidin B, from Erythrina sigmoidea by Njamen, Dieudonné, Mbafor, Joseph Tanyi, Fomum, Zacharias Tanee, Kamanyi, Albert, Mbanya, Jean-Claude, Recio, M Carmen, Giner, Rosa M, Máñez, Salvador, Ríos, José Luis

“…Two prenylated flavanones isolated from Erythrina sigmoidea Hua (sigmoidin A and sigmoidin B) were studied for their ability to inhibit the stable…”
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Anti-inflammatory activity of erycristagallin, a pterocarpene from Erythrina mildbraedii by Njamen, Dieudonné, Talla, Emmanuel, Mbafor, Joseph Tanyi, Fomum, Zacharias Tanee, Kamanyi, Albert, Mbanya, Jean-Claude, Cerdá-Nicolás, Miguel, Giner, Rosa M., Recio, M.Carmen, Rı́os, José Luis

“…Erycristagallin, a pterocarpene isolated from Erythrina mildbraedii, was tested in vitro for its antioxidant properties on the stable…”
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Inhibition of Histamine-induced Contraction of Rat Ileum by Promethazine and the Methanol Stembark Extract ofErythrina sigmoidea (Hua) by Nkeh, B., Kamany, A., Bopelet, M., Ayafor, J. F., Mbafor, J. T.

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Warangalone, the Isoflavonoid Anti-inflammatory Principle of Erythrina addisoniae Stem Bark by Talla, Emmanuel, Njamen, Dieudonné, Mbafor, Joseph Tanyi, Fomum, Zacharias Tanee, Kamanyi, Albert, Mbanya, Jean-Claude, Giner, Rosa M, Recio, M. Carmen, Máñez, Salvador, Ríos, José Luis

“…The prenylisoflavone warangalone has been isolated from the bark of Erythrina addisoniae. This compound, previously recognized as a powerful inhibitor of…”
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Heterocycles of biological importance: Part 7. Synthesis of biologically active pyrimido[2,1-b]benzothiazoles from acetylenic acids and 2-aminobenzothiazoles by Wahe, Helene, Mbafor, Joseph T., Nkengfack, Augustin E., Fomum, Zacharias T., Cherkasov, Rafael A., Sterner, Olov, Doepp, Dietrich

“…Conjugate addition of the imino nitrogen of 2-aminobenzothiazoles 1 to the alkyne beta-carbon atom of acetylenic acids 2 followed by ring closure gives rise to…”
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Sigmoidin F, a new prenylated flavonoid from Erythrina sigmoidae by RATTANAPORN PROMSATTHA, MBAFOR, J. T, TEMPESTA, M. S, FOMUM, Z. T

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Sigmoidin D: A New Prenylated Flavanone from Erythrina sigmoidea by Promsattha, Rattanaporn, Tempesta, Michael S, Fomum, Z. Tanee, Ayafor, J. Foyere, Mbafor, J. Tanyi

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