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Black Plum (Jamun): Health Benefits and Pharmacological Properties

Updated on October 4, 2014

Fruits are eaten raw and may be used to make tarts, sauces and jam. Palatibility of astringent fruits may be improved either by soaking in salt water, or pricking/rubbing with a little salt and leaving as such for an hour.

Black berry (Syzgium cumini Linn.) is always appreciated for the color, flavor and taste of its fruit. It is very large tropical tree that belongs to Myrtaceae family and known by synonyms jambolan or black plum (Eugenia jambolan Linn. ).When sucked, it changes the color of the tongue to purple due to its coloring properties.

Besides these properties, its usefulness in treatment of diabetes is also praised by the people and health benefits of the fruit are appreciated by all. Colored jelly is prepared adding a commercial jelling agent with the fruit flash.

Squash is also prepared extracting juice after cooking the crushed fruits and combining it with sugar, water, citric acid and sodium benzoate (preservative).

Pharmacological properties: Extensive work on its pharmacological properties is being carried out in India and elsewhere.Although whole plant is used for medicinal purpose, stem bark and leaves are extensively used plant parts.

Presence of various flavonoides, essential oils and molecules such as gallic acid, oxalic acid, malic acid, betulic acid and tannins contribute to its medicinal properties and pharmacological activities such as antimalarial, anti-infective, antibacterial and gastroprotective.

Medicinal properties:

The extracts of the bark, seeds and leaves are used for the treatment of diabetes.

The leaves have antibacterial properties and used for strengthening teethes and gums.

Oral administration of dried alcoholic extracts of the seeds to diabetic patients was found to reduce the level of blood sugar and glycosuria in trials conducted at CDRI, Lucknow.

The bark of black berry tree is astringent, digestive, diuretic, anthelmintic and is considered useful for throat problems.

Nutritional properties:

It is a fairly good source of mineral salts (calcium = 15 mg; potassium = 55 mg; magnesium = 35 mg; phosphorus = 15 mg; sodium = 26.2 mg/100 g fruit) and vitamin C (18 mg/100 g of fruit).

It provides 62 Kcal energy per 100 g of edible fruit

It contains fairly good amount of carotene (48 ug/100 g), folic acid (3 mg/100 g).

A decoction of the bark and powdered seeds is believed to be very usefil in the treatment of diarrhea, dysentery and dyspepsia.

The antibiotic activity of black berry extract has been widely studied and found useful against a number of microbial agents.

The fruit is also considered to be stomachic, carminative, anti scorbutic and diuretic.

Vinegar made from black berry fruit is administered in cases of enlargement of spleen, chronic diarrhea and urine retention.

For ringworm treatment, water diluted juice is used as lotion.

A decoction of bark is used in cases of asthma and bronchitis and are gargled or used as mouthwash for the astringent effect on mouth ulcerations, spongy gums, and stomatitis.

© 2009 C V Singh


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  • profile image

    johny abraham 7 years ago

    good collection sir...but would b happy 2 get some more info abt its genomic stdies..RAPD results

  • C V Singh profile image

    C V Singh 7 years ago

    me too. thanks mishti

  • profile image

    mishti kapoor 7 years ago

    Gr8 collection

    moreover I love jamuns.........