Horse Chestnut P.E. Original Plant：Seed of Aesculus chinesis Bge.（娑罗果） Specification ：20%~98% Aescin Test Method:UV Molecular Formula：C55H86O24 Molecular Weight：1131.26 CAS No.：6805-41-0 Pharmacology Action: Soluble in Ethanol, partly soluble in water. Description: Pharmacology Action: 1)It has demonstrated a variety of beneficial effects including anti-inflammatory, antioxidant, antiedema, venotonic 2)Published studies show alleviation of subjective symptoms of venous insufficiency such as pain, tiredness, tension or heaviness in the legs.