Authors:M. Nikolova, G. Janicsák, E. Genova, and I. Máthé
The surface flavonoid distributions of 20 samples of 12 Salvia species originating from Hungary or Bulgaria were surveyed. The majority of the flavonoids proved to be flavones. The most common constituents of the exudates were apigenin, luteolin and scutellarein 6,7,4'-trimethyl ether (salvigenin). Flavonols were found only in S. ringens. No significant variation in flavonoid profile was observed between the samples with different origins. The flowers of the plants studied were richer than the leaves and stems in flavonoids.