BACKGROUND
Baeckea frutescens is a natural remedy recorded to be used in curing various health conditions. In Peninsular Malaysia, B. frutescens is found on the mountain tops, quartz ridge and sandy coasts. To our knowledge, there is only limited published literature on B. frutescens.
METHODS
B.
A phytochemical study of Baeckea frutescens afforded a new biflavonoid named as baeckein E (1), along with four known C-methylated flavonols, baeckeins A (2) and B (3), 6-methylquercetin (6) and 6-methylquercetin-4'-O-β-D-glucopyranoside (7), and two known biflavonoids baeckeins C (4) and D (5). The