Description: Radix polygonum multiflorum preparata extract is a brown powdery product extracted from the processed product of the dried root tubers of Polygonaceae radix polygonum multiflorum preparata.

Characters: It is brown powder in appearance, without impurities visible to naked eyes, and with a peculiar taste and odor.

Active ingredient: total anthraquinones       

Specifications: 0.1%~0.8%

Testing method: refer to enterprise standard Q/XATM 011-2018