Chinese Corktree Bark

Primarily produced in northeastern China.

Flat pieces, uneven length and width, about 2~4mm thick. Outer surface is yellowish-green or pale brownish-yellow, relatively flat, with irregular longitudinal cracks, lenticel scars are small and sparse, sometimes there are grayish-white remnants of rough skin. Inner surface is yellow or yellowish-brown. Light, relatively hard texture; fractured surface is fresh yellow or yellow-green, fibrous, sometimes cracks into layers. faint odor; extremely bitter taste, sticky when chewed.

Superior medicinal material has thick cortex and yellow fractured surface.

Bitter; cold.

Clears heat, dry dampness, removes fire, eliminates steaming, resolves toxin, treats sores. Apply to dysentery due to damp-heat pathogen, jaundice, leukorrhea, pyretic stranguria, beriberi, osteopyrexia, night sweat, emissions, burns and scalds and swelling.