Zobrazeno 1 - 10
of 182
pro vyhledávání: '"J. D. Msonthi"'
Autor:
Salvador Máñez, Rosa M. Giner, J. D. Msonthi, Anna Rita Bilia, María del Carmen Recio, José Luis Ríos, Maria Jose Just, Kurt Hostettmann, M. J. Cuéllar
Publikováno v:
Journal of Natural Products. 60:191-194
Three new saponins, zanhasaponins, A, B, and C, were isolated from the MeOH extract of the root bark of Zanha africana and were, respectively, identified by spectroscopic methods as 3-O-beta-D-glucuronopyranosyl-2 beta,16 alpha-dihydroxyolean-12-ene-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9464b4c0a9ccf8a6334f79b2729f515a
https://doi.org/10.1021/np960527i
https://doi.org/10.1021/np960527i
Autor:
J. D. Msonthi, L. P. Molleyres, Kurt Hostettmann, Steven Mavi, Jean-Luc Wolfender, Nicola Fuzzati
Publikováno v:
Phytochemical Analysis. 7:76-85
A lipophilic crude extract of Valeriana capense exhibited antifungal activity against the plant pathogenic fungus Cladosporium cucumerinum. Activity-guided fractionation of the extract afforded valtrate (1). Isovaltrate (2), didrovaltrate (3), chloro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31e858a63e70f7e7345bf6a930b9ef18
https://doi.org/10.1002/(sici)1099-1565(199603)7:2<76::aid-pca288>3.0.co
https://doi.org/10.1002/(sici)1099-1565(199603)7:2<76::aid-pca288>3.0.co
Autor:
Andrew Marston, N. Beuscher, C. Bodinet, J. Frevert, Kurt Hostettmann, R. Kaufmann, D. Ottendorfer, J. D. Msonthi
Publikováno v:
Phytotherapy Research. 8:383-390
The in vitro immunomodulatory activities of extracts from African medicinal plants have been studied. Certain extracts exerted enhancing effects in a concentration dependent manner on immune cells from three different strains of mice. Among these wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b1167f9ed1aa9f882cddf213f716721
https://doi.org/10.1002/ptr.2650080702
https://doi.org/10.1002/ptr.2650080702
Autor:
J. D. Msonthi, J.D. Kalenga Saka
Publikováno v:
Forest Ecology and Management. 64:245-248
The edible portions of 16 edible wild fruits were analysed for moisture, protein, fat, crude fibre, ash and minerals (Ca, Mg, Fe, P, K, and Na). The total carbohydrate and energy contents were calculated. Trichilia emetica, Strychnos spinosa, Azanza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cec0b826056b013dfe9e514cb782fc2
https://doi.org/10.1016/0378-1127(94)90298-4
https://doi.org/10.1016/0378-1127(94)90298-4
Autor:
Kurt Hostettmann, Andrew Marston, J. D. Msonthi, Matthias Hamburger, Isabelle Sordat-Diserens
Publikováno v:
Phytochemistry. 33:809-812
The dichloromethane extract from the roots of Polygala nyikensis afforded four simple xanthones, two of which are new compounds. Their structures were established by chemical and spectroscopic methods (UV, EIMS, 1 H and 13 C NMR, NOE difference spect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc055f9c05dc4ad5db9278031a8b1eb1
https://doi.org/10.1016/0031-9422(93)85279-z
https://doi.org/10.1016/0031-9422(93)85279-z
Publikováno v:
Journal of Natural Products. 56:682-689
The MeOH root extracts of four Chironia species, Chironia krebsii, Chironia palastris, Chironia purpurascens, and Chironia baccifera, have been screened for thermospray 1c-ms and 1c-uv. Swertiamarine [1], gentiopicroside [3], steroside [4], eustomosi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::796a9f0c3eca2734222b230694b7786b
https://doi.org/10.1021/np50095a004
https://doi.org/10.1021/np50095a004
Publikováno v:
Phytochemistry. 30:3625-3629
From a dichloromethane extract of the aerial parts and from a methanolic root extract of Chironia krebsii , 11 1-hydroxyxanthones and six xanthone glycosides have been isolated. The glycosides 5-hydroxy-3-methoxy-1- O -primeverosylxanthone, 1-hydroxy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::731d491c6ffb336e8015a81f36654b97
https://doi.org/10.1016/0031-9422(91)80080-k
https://doi.org/10.1016/0031-9422(91)80080-k
Autor:
J. D. Msonthi, Sándor Antus, Julien Ferrari, Christian Terreaux, Attila Szikszai‐Kiss, Kurt Hostettmann, Tibor Kurtán
Publikováno v:
Helvetica Chimica Acta, Vol. 86 (2003) pp. 2768-2778
Investigation of the methanol extract of the roots of Gnidia involucrata (Thymelaeaceae) led to the isolation and characterization of two new 3,8"-biflavonoid diastereoisomers, named GB-4 (6a) and GB-4a (6b). Their absolute configurations were determ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d09f944d14801e5a577a3c27de0f512
https://doi.org/10.1002/chin.200352232
https://doi.org/10.1002/chin.200352232
Publikováno v:
Phytochemistry. 31:309-311
Three isoflavones and two xanthones have been isolated from the roots ofPolygala virgata. The structures were established on the basis of spectral data of the isolates and of some derivatives. 5,7,4′-Trihydroxy-6,8-dimethoxyisoflavone and 5,7-dihyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ee4ff5c8da189b6111012d282164f19
https://doi.org/10.1016/0031-9422(91)83060-x
https://doi.org/10.1016/0031-9422(91)83060-x
Publikováno v:
Phytochemistry. 29:2849-2851
From the methanolic extract of roots of Clerodendrum wildii , a molluscicidal and antifungal triterpenoid saponin has been isolated and identified as Mi-saponin A by spectral analysis and chemical transformations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e160dfae87b077a9169e13d7097a4b8e
https://doi.org/10.1016/0031-9422(90)87090-h
https://doi.org/10.1016/0031-9422(90)87090-h