Estudo fitoquímico de Mikania pseudohoffmanianna G. M. Barroso ex W. C. Holmes / Phytochemical study of Mikania pseudohoffmanianna G. M. Barroso ex W. C. Holmes
RBCF, Rev. bras. ciênc. farm. (Impr.)
;
42(2): 265-268, abr.-jun. 2006.
Article
in Portuguese
| LILACS
| ID: lil-454543
ABSTRACT
This work describes the fractionation of methanol and dichloromethane extracts of aerial parts from the Mikania pseudohoffmanniana G. M. Barroso ex W. C. Holmes. The phytochemical study of extracts led to isolation and the identification of 16 known compounds, including steroids campesterol, stigmasterol and 'beta'-sitosterol, diterpenes ent-15'beta'-E-cinnamoyloxy-kaur-16-en-19-oic acid, ent-15'beta'-Z-cinnamoyloxy-kaur-16-en-19-oic acid and ent-kaur-16-en-19-oic acid, triterpenes 'alpha'-amyrin, 'beta'-amyrin, 'alpha'-amyrin acetate, 'beta'-amyrin acetate, lupeol, lupeol acetate and friedelin, coumarin scopoletin, flavonoid quercetin and caffeoyl quinic acid derivative 4,5-di-O-[E]-caffeoyl quinic acid
RESUMO
O fracionamento dos extratos diclorometânico e metanólico das partes aéreas de Mikania pseudohoffmanniana G. M. Barroso ex W. C. Holmes resultou na identificação de 16 substâncias os esteróides campesterol, estigmasterol e b-sitosterol; os diterpenos ácido ent-15b-E-cinamoiloxi-caur-16-en-19-óico, ácido ent-15b-Z-cinamoiloxi-caur-16-en-19-óico e ácido ent-caur-16-en-19-óico; os triterpenos a-amirina, b-amirina, acetato de a-amirina, acetato de b-amirina, lupeol, acetato de lupeol e friedelina; a cumarina escopoletina; o flavonóide quercetina e o derivado do ácido cafeoilquínico 4,5-di-O-[E] -cafeoilquínico
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Flavonoids
/
Asteraceae
/
Mikania
/
Phytotherapy
Language:
Portuguese
Journal:
RBCF, Rev. bras. ciênc. farm. (Impr.)
Journal subject:
Biochemistry
/
Pharmacy
/
Pharmacology
Year:
2006
Type:
Article
Affiliation country:
Brazil
Institution/Affiliation country:
Universidade de São Paulo/BR
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