The genus Millettia (Leguminosae) is comprised of more than 200 species of climbers and trees distributed in tropical Africa, Asia, and Australia. Millettia plants have been known to be a rich source of flavonoids. Millettia leucantha Kurz, locally known as "Satorn," is a tree growing in the central and northern regions of Thailand. The bark of M. leucantha has been shown to produce a number of chalcones and flavones, but the wood of this plant has not been chemically investigated.
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