Herb library

Jambu (Java Plum / Black Plum)

Jamun (Java Plum / Black Plum)

Syzygium cumini

Indian blackberry tree: seed and bark long used for blood sugar and loose digestion.

Jamun tree · Tree · Parts: Seed, Bark, Fruit, Leaf

Taste (rasa)
Astringent, sour, sweet
Energy (virya)
Cooling
Balances
Pitta, Kapha

What it is used for

Benefits

  • Seed powder is the classical Ayurvedic remedy for prameha (raised blood sugar)
  • Astringent bark used for diarrhoea and mouth ulcers
  • Fruit cools excess Pitta and eases thirst in hot weather

How it has been used

Traditional uses & benefits

Jambu seed and bark are astringent and cooling — the classical kitchen-garden support for sweet-tasting, Kapha-type imbalance.

Traditional uses

  • Traditional support for blood-sugar balance
  • Loose motions and weak gut tone
  • Mouth ulcers and bleeding gums

Practical guidance

  1. 1Dry the seeds fully, then powder — half a teaspoon with warm water before meals is the household method.
  2. 2The fruit is food; the seed is the medicinal part.
  3. 3If you take diabetes medication, monitor closely and speak to your clinician.

How much

Dosage

1-3 g of dried seed powder daily with water, or fruit in season.

How to take it

Preparation & usage

Seed churna

Dry the seeds fully, grind to a fine powder and store airtight. Take 1/2 tsp in water.

Twice daily, 30 minutes before meals

Bark gargle

Boil 1 tbsp bark in 2 cups water for 10 minutes; cool and strain.

As a mouth rinse for ulcers or bleeding gums

Read this first

Precautions

  • Can lower blood sugar; monitor closely with diabetes medication
  • Avoid the fruit on an empty stomach
  • Stop two weeks before surgery

Where this comes from

Sources

Common questions

What is Jamun used for?

Indian blackberry tree: seed and bark long used for blood sugar and loose digestion. In traditional use the main applications are: Seed powder is the classical Ayurvedic remedy for prameha (raised blood sugar); Astringent bark used for diarrhoea and mouth ulcers; Fruit cools excess Pitta and eases thirst in hot weather.

What is the typical dosage of Jamun?

1-3 g of dried seed powder daily with water, or fruit in season. Amounts vary with age, constitution and health status, so confirm your own dose with a qualified practitioner.

How and when should Jamun be taken?

Seed churna: Dry the seeds fully, grind to a fine powder and store airtight. Take 1/2 tsp in water. Timing — Twice daily, 30 minutes before meals

Are there any precautions with Jamun?

Can lower blood sugar; monitor closely with diabetes medication Avoid the fruit on an empty stomach Stop two weeks before surgery Speak to a doctor before use during pregnancy or breastfeeding, or if you take prescription medication.

Does Jamun replace medical treatment?

No. This page documents traditional Ayurvedic use for education; it is not a diagnosis or treatment and does not replace prescribed medication or professional advice.

Where to buy

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If you buy, look for a batch-tested product that states the botanical name and tests for heavy metals. Check with your doctor first if you take medication, are pregnant or breastfeeding.