HPTLC standardization of five commercial Rhus Tox mother tincture formulations was carried out.
Quercitrin and rutin were used as chemical markers.
Correlation between biological activity of Rhus Tox mother tinctures with their contents of chemical markers was established.
This study establishes quercitrin and rutin as valid markers of its anti-inflammatory activity of Rhus Tox mother tincture.