Bael tree is deciduous about 12 meters in height. It is a sacred tree and the leaves known as Bilipatra are used for worshipping God Shiva. The tree is seen is sub Himalayan tract and throughout India, especially Central and Southern India, Burma, occurring as wild and also cultivated. The tree has strong straight spines, compound trifoliate leaves and a berry fruit. Fruits are collected, epicarp removed and usually cut into transverse slices or irregular pieces Fruit size is 5 to 10 cm in diameter. It is berry kind of fruit with sub spherical shape.Its Epicarp is hard, woody, externally reddish-brown, smooth or granular. Mesocarp and Endocarp consist of pulp which is reddish brown and made up of 10 to 12 carpels. Each carpel contains several seeds with oblong, flat, multicellular, woolly white hairs. Seeds are surrounded by mucilage. Its odour is Aromatic and Taste is mucilaginous.

Mucilage is considered as active constituent. Ripe fruits contain tannin. It also contains marmelosin a furocoumarin shown to be identical with imperatorin. From the fruits two alkaloids 1. O. methyl halfordinol and 2. isopentyl halfordinol and furanocoumarin alloimperatorinmethyl ether have been isolated. Alkaloids may be responsible for the activity of drug.

Drug is very popular in Ayurveda and is used in diarrhea and dysentery. Action is attributed to mucilage. • Unripe and half ripe fruits improve appetite and digestion. The pulps of fruits produce a soothing effect on the patients who have just recovered from bacillary dysentery. • It has antiparasitic, cooling, digestive and stomachic. So prevents the intestinal canal from the bacteria causing diarrhea and makes digestion better.