Search Results - "Midiwo, J."

7a- O-methyldeguelol, a modified rotenoid with an open ring-C, from the roots of Derris trifoliata by Yenesew, Abiy, Mushibe, Eluid K., Induli, Martha, Derese, Solomon, Midiwo, J.O., Kabaru, Jacques M., Heydenreich, Matthias, Koch, Andreas, Peter, Martin G.

“…From the roots of Derris trifoliata an isoflavonoid derivative ( 1), a modified rotenoid with an open ring-C, representing a new sub-class of isoflavonoids…”
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Bioactive compounds from some Kenyan ethnomedicinal plants: Myrsinaceae, Polygonaceae and Psiadia punctulata by Ogweno Midiwo, J., Yenesew, A., Juma, B.F., Derese, S., Ayoo, J.A., Aluoch, A.O., Guchu, S.

“…There are several described medicinal plants in Kenya from a flora of approximately 10,000 members. Strong cross-medical information from the 42 ethnic groups…”
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Four isoflavones from seed pods of Millettia dura by Yenesew, Abiy, Midiwo, J.O., Waterman, Peter G.

“…Seed pods of Millettia dura yielded four novel isoflavones, which have been characterized as 3-(3,4-dimethoxyphenyl)-6-methoxy-8,8-dimethyl-4 H,8 H-benzo[1,2-…”
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Diterpenes from the leaf exudate of Psiadia punctulata by Ogweno Midiwo, J., Owuor, F.A.O., Juma, B.F., Waterman, Peter G.

“…Two known diterpenes, ( ent)-2-oxokaur-16-en-18,19-diol (psiadin) and ( ent)-kaur-16-en-2α,18,19-triol, and three novel diterpenes, ( ent)-16…”
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Vangueria infausta root bark: in vivo and in vitro antiplasmodial activity by Abosi, A.O., Mbukwa, E., Majinda, R.R.T., Raseroka, B.H., Yenesew, A., Midiwo, J.O., Akala, H., Liyala, P., Waters, N.C.

“…Vangueria infausta burch subsp. infausta (Rubiaceae) produces fruits eaten by humans and animals. The leaf, fruit, stem bark and root bark are used as a remedy…”
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6-Methoxycalpogonium Isoflavone A:  A New Isoflavone from the Seed Pods of Millettia dura by Yenesew, Abiy, Midiwo, Jacob O, Waterman, Peter G

“…From the seed pods of Millettia dura a new isoflavone has been isolated and identified as…”
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Triterpenoids and steroids of Myrsine africana leaves by Manguro, L O, Midiwo, J O, Kraus, W

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Rotenoids, isoflavones and chalcones from the stem bark of Millettia usaramensis subspecies usaramensis by Yenesew, Abiy, Midiwo, Jacob O., Waterman, Peter G.

“…New rotenones, isoflavones and dihydrochalcones have been obtained from the stem bark of Millettia usaramensis (Leguminosae) and identified by spectroscopic…”
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Two isoflavanones from the stem bark of Erythrina sacleuxii by Yenesew, Abiy, Midiwo, Jacob O, Heydenreich, Matthias, Schanzenbach, Dirk, Peter, Martin G

“…From the stem bark of Erythrina sacleuxii two new isoflavanones, ( R)-5,7-dihydroxy-2′,4′,5′-trimethoxyisoflavanone (trivial name, (…”
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Antiplasmodial and cytotoxic activities of the constituents of Turraea robusta and Turraea nilotica by Irungu, Beatrice N., Adipo, Nicholas, Orwa, Jennifer A., Kimani, Francis, Heydenreich, Matthias, Midiwo, Jacob O., Martin Björemark, Per, Håkansson, Mikael, Yenesew, Abiy, Erdélyi, Máté

“…Turraea robusta and Turraea nilotica are African medicinal plants used for the treatment of a wide variety of diseases, including malaria. The genus Turraea is…”
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Four isoflavones from the stem bark of erythrina sacleuxii by Yenesew, Abiy, Midiwo, Jacob O, Heydenreich, Matthias, Peter, Martin G

“…From the stem bark of Erythrina sacleuxii four new isoflavones were isolated and characterized as 5,7-dihydroxy-2′,4′,5′-trimethoxyisoflavone (trivial name,…”
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Larvicidal benzoquinone from Embelia schimperi by C.P. Kiprono, J.O. Midiwo, P.K. Kipkemboi, Santino Ladogana

“…Chromatographic analysis of air-dried berries of Embelia schimperi led to the isolation of methyl vilangin (1), which was characterized on the basis of…”
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Changes in the concentrations of testosterone, luteinising hormone and progesterone associated with administration of embelin by Githui, E K, Makawiti, D W, Midiwo, J O

“…The mode of action of embelin, a naturally occurring plant benzoquinone with male fertility regulating potential, was investigated. Sexually mature white New…”
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Two prenylated flavanones from stem bark of Erythrina burttii by Yenesew, Abiy, Midiwo, Jacob O., Miessner, Merle, Heydenreich, Matthias, Peter, Martin G.

“…From the stem bark of Erythrina burttii, two new flavanones were isolated and characterised as 5,7-dihydroxy-4′-methoxy-3′,5′-di-(3-methylbut-2-enyl)flavanone…”
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The Mystery of Trichothecene Antibiotics in Baccharis Species by Jarvis, Bruce B, Midiwo, Jacob O, Bean, George A, Aboul-Nasr, M. Bassam, Barnos, Claudio S

“…The Brazilian higher plant Baccharis coridifolia has been shown to synthesize de novo a series of highly toxic macrocyclic trichothecene antibiotics heretofore…”
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Flavones and phenylpropenoids in the surface exudate of Psiadia punctulata by Juma, Benard F, Yenesew, Abiy, Midiwo, Jacob O, Waterman, Peter G

“…Three flavones, 5,7-dihydroxy-2′,3′,4′,5′-tetramethoxyflavone, 5,4′-dihydroxy-7,2′,3′,5′-tetramethoxyflavone, and 5,7,4′-trihydroxy-2′,3′,5′ -trimethoxyflavone…”
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12,13-Deoxytrichoverrins from Myrothecium verrucaria by Jarvis, Bruce B, Midiwo, J. O, Guo, Mao-di

“…The structures of two new diastereoisomeric 12,13-deoxytrichothecenes have been established by a combination of nmr and mass spectroscopy…”
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Toxicity and growth-inhibitory activity of Polygonum senegalense (Meissn.) surface exudate against Aedes aegypti larvae by Gikonyo, Nicholas K., Mwangi, Richard W., Ogweno Midiwo, J.

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Interaction between the antibiotic trichothecenes and the higher plant Baccharis megapotamica by Jarvis, B.B, Midiwo, J.O, Tuthill, D

“…The Brazilian shrub Baccharis megapotamica contains significant amounts of antibiotic trichothecenes. When these plants are grown in the United States, they…”
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Vangueria infausta root bark: in vivo and in vitro antiplasmodial activity by Abosi, A O, Mbukwa, E, Majinda, R R T, Raseroka, B H, Yenesew, A, Midiwo, J O, Akala, H, Liyala, P, Waters, N C

“…Vangueria infausta burch subsp. infausta (Rubiaceae) produces fruits eaten by humans and animals. The leaf, fruit, stem bark and root bark are used as a remedy…”
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