Esculin, also rendered Aesculin or Asculin, is a coumarin glucoside that naturally occurs in the horse chestnut (Aesculus hippocastanum), California buckeye (Aesculus californica), prickly box (Bursaria spinosa) and in daphnin (the dark green resin of Daphne mesereum). It's also found in dandelion coffee.

Esculin and its glycoside were effective in the treatment of bacterial dysentery and tracheitis. In addition, it also has anti-inflammatory, Chemicalbook antibacterial, anticoagulant, analgesic and other activities, and has a significant diuretic effect on mice. It can inhibit the aldose reductase of rat eye lens, is the growth inhibitor of Bacillus subtilis, and also has the inhibitory effect on chemical cancer

1. Anti-inflammation, anti-bacteria, anti-cancer, ease pan, anti-arrhythmic, anti-histaminic, anti-cruor. Esculin is a glycoside composed of gluccose and a hihydroxycoumarin compound;
2. Esculin is a product of a coumarin derivative extracted from the bark of flowering ash (Fraxinus ornus);
3. Esculin is used in the manufacturing of pharmacetuicals with venotonic, capillary-strengthening and antiphlogistic action similar to that of Vitamin P;
4. Esculin is a fluorescent dye that can be extracted from the leaves and bark of the horse chestnut tree;
5. Improve skin vasculature and is effective in the management of cellulitis.