Effect of extracts and isolated compounds from Chresta scapigera on viability of Leishmania amazonensis and Trypanosoma cruzi
RBCF, Rev. bras. ciênc. farm. (Impr.)
;
43(2): 295-300, abr.-jun. 2007. ilus, tab
Article
in English
| LILACS
| ID: lil-460190
ABSTRACT
Fractionation of bioactive crude extracts of Chresta scapigera led to the isolation of four triterpenes and five flavonoids, among them beta-amyrin acetate (1), 11alpha,12alpha-oxidetaraxeryl acetate (2) and lupeol (3), as well as the flavonoids apigenin (6), kaempferol (7), crysoeriol (8) and luteolin (9) were active against Leishmania amazonensis amastigotes-like stages, while only the flavonoids (6), (7) and (9) showed toxicity towards bloods trypomastigote forms of Trypanosoma cruzi.
RESUMO
O fracionamento dos extratos bioativos de Chresta scapigera proporcionou o isolamento de triterpenos e flavonóides, dentre os quais acetato de beta-amirina (1), acetate de 11alfa,12-oxidotaraxeril (2) e lupeol (3), assim como os flavonóides apigenina (6), caenferol (7), crisoeriol (8) e luteolina (9) mostraram-se ativos contra formas amastigotas de Leishmania amazonensis, enquanto, apenas os flavonóides (6), (7) e (9) apresentaram toxicidade contra as formas tripomastigotas de Trypanosoma cruzi.
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Triterpenes
/
Flavonoids
/
Plant Extracts
/
Phytotherapy
Language:
English
Journal:
RBCF, Rev. bras. ciênc. farm. (Impr.)
Journal subject:
Biochemistry
/
Pharmacy
/
Pharmacology
Year:
2007
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade de São Paulo/BR
/
Universidade do Vale do Paraíba/BR
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