Profile: Shaanxi Sunrun Bio-technology Co., Ltd. offers herbal extracts and pharmaceutical intermediates. Our products include amygdalin, trans-resveratrol, chrysophanic acid, berberine hydrochloride, ursolic acid, berberine hydrochloride, protocatechuic aldehyde and chrysophanic acid. Berberine hydrochloride is a yellow needle-like crystals, slightly soluble in cold water or ethanol. It dissolves in chloroform, in diethyl ether and almost insoluble in cold ethanol. Ursolic acid is an extract from labiatae plant prunella (prunella vulgaris L.) of the whole plant, ilex (ilex rotunda thunb.) leaves and many other plants.