Abstract
From the methanol root extract of Godmania aesculifolia, a species
selected in a multinational OAS program aimed at discovering antifungal
compounds from Latin American plants, a new chavicol diglycoside (1),
the known
3,4-dihydroxy-2-(3-methylbut-2-en-1-yl)-3,4-dihydronaphthalen-1(2H)-one
(2), and lapachol (3) were isolated and characterized by
1D and 2D NMR and MS techniques. Only 3 exhibited fairly good
activity against a panel of clinical isolates of Cryptococcus
neoformans (MIC50 between 7.8 and 31.2 µg/mL) and
moderate activities against Candida spp. and non-albicans
Candida spp.
Key words
Godmania aesculifolia
- Bignoniaceae - lapachol - chavicol diglycoside -
Trichophyton spp. -
Microsporum spp. -
Aspergillus spp. -
Candida
-
Cryptococcus neoformans