Jambul (Syzygium cumini) is an evergreen tropical tree in the flowering plant family Myrtaceae, native to Bangladesh, India, Nepal, Pakistan and Indonesia. The fruit is oblong, ovoid, starts green and turns pink to shining crimson black as it matures. A variant of the tree produces white coloured fruit,commonly known as white jamun. The white jamun fruit has a combination of sweet, mildly sour and astringent flavour and tastes best when the fruits are soaked in salt water for 30 minutes. Raw fruits are used for for making wine and vinegar. The juice of ripe fruit is used for preparing jams, jelly, sauces and other beverages. The seeds are also rich in protein and carbohydrates and contain traces of calcium.