Phytochemistry

Phytochemistry of Pterocarpus marsupium

Several flavonoids and their derivatives have been isolated from various parts of the plant.

In general flavonoids or "bioflavonoids" are valued for their diverse health benefits including antioxidant / anti-inflammatory action, beneficial cardiovascular effects and antimicrobial properties.

Pterocarpus marsupium is a rich source of polyphenolic compounds.  The key compounds include the diaryl propane derivative, propterol; the stilbene,  pterostilbene;  the hydrochalcone, pterosupin; the benzofuranone, marsupsin; the flavanoid,  liquiritigenin and the catechin, (-)-epicatechin.

Key Chemical Constituents of Pterocarpus marsupium

Pterocarpus Marsupium

The first four are the main components of the heartwood, while (-)-epicatechin is found in the bark .

The phenolics, marsupsin, pterosupin, and, pterostilbene have been identified as the blood sugar lowering components of the heartwood, while (-)-epicatechin has been identified as the blood sugar lowering compound in the bark.