(info at dxalherbextract dot com) the alias name: buckeye extract the latin name: aesculus chinensis extracts of the seeds are the source of saponin known as escin, which has been shown to promote circulation through the veins. escin promotes normal tone in the walls of the veins, thereby promoting return of blood to the heart. it has made both topical and internal horse chestnut extracts popular in europe for the treatment of chronic venous insufficiency and varicose veins. escin also possesses anti-inflammatory properties and has been shown to reduce edema (swelling with fluid) following trauma, particularly those following sports injuries, surgery, and head injury. a topical escin preparation is very popular in europe for the treatment of acute sprains during sporting events. horse chestnuts also contain flavonoids, sterols, and tannins.