Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Walter Vichnewski"'
Autor:
Alvaro José Hernández Tasco, Carlos José Alvarez, Marcos José Salvador, Walter Vichnewski, Román Yesid Ramírez Rueda Rueda, Izabel Yoko Ito, Ana Cláudia Barrachi Costa Sacilotto, Fabiana Terezinha Sartori
Publikováno v:
Natural Product Research. 34:863-867
Antimicrobial activity of dichloromethane and ethanol extracts and five compounds: pinostrobin (I), pinocembrin (II), tectochrysin (III), galangin 3-methyl ether (IV) and tiliroside (V) isolated from Lychnophora markgravii aerial parts against fiftee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01f5c8f7138a8382ff58a3833fa98d1b
https://doi.org/10.1080/14786419.2018.1503263
https://doi.org/10.1080/14786419.2018.1503263
Autor:
Fabiana Terezinha Sartori, Silvia C. Alfieri, Marcos José Salvador, Walter Vichnewski, Elizabeth M. F. Pral, Ana Claudia Barrachia Costa Sacilotto
Publikováno v:
Zeitschrift für Naturforschung C. 64:509-512
The bioactivity of the flavonoids pinostrobin (1), pinocembrin (2), tectochrysin (3), galangin 3-methyl ether (4), and tiliroside (5) isolated from Lychnophora markgravii aerial parts was investigated in vitro against amastigote stages of Leishmania
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f6f2b88c6a66d2388381cd7e6f4e286
https://doi.org/10.1515/znc-2009-7-807
https://doi.org/10.1515/znc-2009-7-807
Publikováno v:
Biochemical Systematics and Ecology. 30:897-900
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25cfb4310041f13a77faa75f20d947ed
https://doi.org/10.1016/s0305-1978(02)00027-3
https://doi.org/10.1016/s0305-1978(02)00027-3
Autor:
Walter Vichnewski, Norberto Peporine Lopes, Ana Claudia Barrachia Costa Sacilotto, Fabiana Terezinha Sartori, João Luis Callegari Lopes
Publikováno v:
Biochemical Systematics and Ecology. 30:609-612
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9596bd33e368f9c8114be04e7504224
https://doi.org/10.1016/s0305-1978(01)00127-2
https://doi.org/10.1016/s0305-1978(01)00127-2
Autor:
José Roberto Giglio, Suely Vilela Sampaio, Andréa Carla Pessini, Walter Vichnewski, Elisângela C Cavalheiro, Tânia T Takao, Eliane Candiani Arantes
Publikováno v:
Toxicon. 39:1495-1504
The purification procedure of a hyaluronidase from Tityus serrulatus scorpion venom is described. It involves basically an ion-exchange chromatography on CM-cellulose at pH 7.8 followed by a rechromatography of the active fraction on the same column
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f204b6677cf30d43048f587f33ecfef
https://doi.org/10.1016/s0041-0101(01)00122-2
https://doi.org/10.1016/s0041-0101(01)00122-2
Autor:
Christoph A. Klaas, Irmgard Merfort, Walter Vichnewski, Peter Rüngeler, Gerardo A. Mora, Egon Koch, Victor Castro
Publikováno v:
Biochemical Pharmacology. 62:795-801
Many sesquiterpene lactones (Sls) are known to possess anti-inflammatory activities. To gain further insight into their structure-activity relationships and the molecular mechanism of action, four germacranolide sesquiterpene lactones which differ in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26103ba99d173fc9b838c505cae33f95
https://doi.org/10.1016/s0006-2952(01)00714-6
https://doi.org/10.1016/s0006-2952(01)00714-6
Autor:
Glória Emília Petto de Souza, Sérgio de Albuquerque, Wilson Roberto Cunha, Cristiane Fernanda Fuzer Grael, João Luis Callegari Lopes, Walter Vichnewski
Publikováno v:
Phytotherapy Research. 14:203-206
Crude extracts from the aerial parts of Lychnophora granmongolense (Asteraceae) were bioassayed for trypanocidal (trypomastigote forms of Trypanosoma cruzi) and analgesic (writhing test) activities. The crude ethyl acetate extract from the leaves plu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92d2143cb806c771a727de7d881f5d97
https://doi.org/10.1002/(sici)1099-1573(200005)14:3<203::aid-ptr565>3.0.co
https://doi.org/10.1002/(sici)1099-1573(200005)14:3<203::aid-ptr565>3.0.co
Publikováno v:
Phytochemical Analysis. 11:69-73
A fast method of extraction and isolation of the major compounds of Lychnophora ericoides Mart. is described which uses only 100 g of dried, ground plant material and small amounts of solvent and solid phases. The method combines extraction by sonica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fb7db2a091531eaf34b7ccbe44dd829
https://doi.org/10.1002/(sici)1099-1565(200003/04)11:2<69::aid-pca499>3.0.co
https://doi.org/10.1002/(sici)1099-1565(200003/04)11:2<69::aid-pca499>3.0.co
Autor:
João Luis Callegari Lopes, Reinhard Zipper, Wilson Roberto Cunha, Bernhard Vogler, Otmar Spring, Diones Aparecida Dias, Walter Vichnewski
Publikováno v:
Phytochemistry. 52:79-85
The investigation of an extract of the aerial parts of Blainvillea rhomboidae afforded, in addition to known compounds, six further melampolides, two germacrolides and four guaianolides. HPLC analysis revealed that the compounds, except for one ethox
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec6419b37478e469f8113264c0f409a6
https://doi.org/10.1016/s0031-9422(99)00150-8
https://doi.org/10.1016/s0031-9422(99)00150-8
Autor:
C. A. Skrochy, J.L Callegari Lopes, Ana Maria Tucci Turco Nasi, Walter Vichnewski, Werner Herz
Publikováno v:
Phytochemistry. 50:317-320
Aerial parts of Eremanthus arboreus furnished two new eremantholides, a hydroxy acid related to them and 5,7-dihydroxy-3′,4′-dimethoxyflavone.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::112409d462ad24117896938a6d4cba00
https://doi.org/10.1016/s0031-9422(98)00524-x
https://doi.org/10.1016/s0031-9422(98)00524-x