Blackberry juice of ripe fruit is used as stomadic, carminative and diuretic. It is also used in the enlargement of spleen, suppressed or scanty urine and to combat diabetes.

Botanical name: Syzygium cuminii

Family Name: Myrtaceae


About 75 species of black berry are available. A genus of trees or shrubs, it is distributed in the tropics. Some species bear edible fruits, a few yield timbers and some species give the cloves of commerce.

Black Berry tree is a large and evergreen tree with leaves 8- 20 cm long, leathery. Fruit it 1.5- 4 cm long, violet black when ripe. Fruit is eaten raw with salt.

Parts Used:

Fruit, leaves, seed and bark.


Stomachic, astringent, diuretic, anti diabetic.

Forms of Use:

Fruit, juice, vinegar, seed powder.

Products- Preservation:

It is used for making wine, squashes and jellies. A good jelly can be made from purple-fleshed fruits. A jam can also be prepared from pitted fruits. The juice of unripe fruits is used for preparing vinegar.

Nutritional Value:

The ripe fruit is widely eaten. The edible pulp forms 75% of the whole fruit.

Analysis of the edible part shows the following composition (per 100 gm):

Moisture: 83.7%

Protein: 0.7%

Fat: 0.3%

Fiber: 0.9%

Carbohydrate: 14.0%

Ash: 0.4%

Calcium: 15 mg

Phosphorus: 15 mg

Magnesium: 35 mg

Iron: 1.2 mg

Vitamin A: 80 I.U.

Vitamin B1: 0.03 mg

Vitamin B2: 0.01 mg

Necotinic acid: 0.2 mg

Vitamin C: 18 mg

Choline: 7 mg

Folic acid: 3 mg

Glucose and fructose are principal sugars in ripe fruit. Malic acid is the major acid (0.5% of the wt. of fruit); a small quantity of oxalic acid is also reported. Gallic acid and tannins account for the astringency of the fruit.

The purple color of the fruit is due to the presence of flavors and anthocyanin pigments occurring as plant diglycosides.

Medicinal Uses:

1. Juice of ripe fruit made into vinegar is used as stomadic, carminative and diuretic.

2. Ripe fruit is eaten to combat diabetes.

3. Fruits and seeds of blackberry are hypoglycemic agents.

4. A single dose of extract of seeds produces 15 to 25% fall in fasting blood sugar in 4- 5 hours after taking it orally.

5. It is a powerful anti-diarrhea agent and controls diarrhea gradually.

6. Ripe fruit juice is used in the enlargement of spleen and suppressed or scanty urine.

7. Leaf juice is useful remedy for dysentery with blood (one tea spoon full juice 3- 4 times daily).

Fruits and Vegetables

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