The Jamun is a purple coloured tropical berry with a unique taste, colour and flavour. It is acidic and astringent in nature, with a sweet taste. The jamun also popularly known as jambolan, kala jamun, jambas, rajaman, neredu, naval, nerale, java plum, jamali, black plum and black berry. The anthocyanin a plant pigment present in the fruit renders purple colour to the tongue.
The fruit has loads of minerals, with glucose and fructose being the major sugars found in the ripe fruit. It offers lesser calories, in comparison to other fruits. The seed of the fruit is rich in protein carbohydrates and calcium. The fruit is also a fair source of iron, folate and vitamin-B, carotene, potassium, magnesium, antioxidants and fibre.
- Jamun is particularly used in treatment of diabetes. Extracts of the bark, leaves and seeds have been found to cause a marked prolonged decrease in blood sugar and glycouria. Studies have shown that jamun has hypoglycaemic effects, wherein a 30percent reduction in blood sugar is reported. It has therefore been rightly named diabetic fighter, as recommended by studies – Indian Journal of Pharmacology, Bhaba Atomic Research Centre and Central Drug Research Institute. An effective remedy to control diabetes is to mix jamun seeds, bitter gourd (karela), Basil (tulsi) and Gurmar. This, when taken regularly, controls diabetes in a better way.
- Unani and Ayurvedic system use it for treatment of digestive disorders, including diarrohea.
- Studies have proven that Jamun could be protective in liver disease, thereby playing a vital role in preventing liver damage.
- The Jamun fruit extract, due to the presence of bioactive phytochemicals including polyphenols has shown to have an anti-cancer potential. The fruit consumption is also believed to have benefits during chemotherapy and radiation.
- The polyphenolic compounds in the fruit have great health benefits including prevention of several chronic diseases like heart disease, cancer, ageing, diabetes and arthritis.
- The anti-bacterial property in the leaves of the jamun tree makes it an ideal medicine for strengthening of teeth and gums.
- The bark of the jamun tree is used for urinary disorders, de-worming, and to formulate herbal medicines by traditional healers.
- Extracts from the bark of the tree also has moderate level of antibiotic activity, and high astringent properties.
- The bark and leaves of the tree are used in controlling high blood pressure.
- The powder of jamun is applied externally to stop bleeding