Paepalanthus spp: antimycobacterial activity of extracts, methoxylated flavonoids and naphthopyranone fractions
Rev. bras. farmacogn
; 23(2): 268-272, Mar.-Apr. 2013. ilus, tab
Article
in En
| LILACS
| ID: lil-669524
Responsible library:
BR1.1
ABSTRACT
Paepalanthus spp., Eriocaulaceae, are native plants from Brazil known as "sempre-vivas" (everlasting flowers). In this work, we evaluated the potential anti-mycobacterial activity of two methoxylated flavonoids (flavonoid 7-methylquercetagetin and 7-methylquercetagetin-4'-O-β-D-glucopyranoside) isolated and identified from P. latipes and the naphthopyranone fractions from P. bromeliodes ethanolic extracts. The MIC value of 500 µg/mL was verified for all compounds tested against M. tuberculosis H37Rv. For M. avium, the MIC value ranged from 1000-2000 µg/mL excepting to naphthopyranone fractions with MIC of 500 µg/mL. This is the first report of activity determination of Paepalanthus spp. flavonoids activity against Mycobacterium tuberculosis and M. avium.
Full text:
1
Collection:
01-internacional
Database:
LILACS
Language:
En
Journal:
Braz. j. pharmacogn.
/
Brazilian journal of pharmacognosy
/
Rev. bras. farmacogn
/
Rev. bras. farmacogn. (Online)
/
Revista brasileira de farmacognosia (Impresso)
Journal subject:
FARMACIA
Year:
2013
Type:
Article
Affiliation country:
Brazil