It may be used as reference standard in analyzing bioactive components (hyperin, nobiletin, hesperidin, emodin, chrysophanol, resveratrol, curcumine, and physcion) in Danning tablets using HPLC-UV and HPLC-ESI-MS.
Chrysophanol is an anthraquinone compound and occurs naturally in Chinese herb Rheum officinale. It shows antimicrobial activity, and is an active component in many crude drugs having purgative properties.
Bottomless glass bottle. Contents are inside inserted fused cone.