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Amaltas (Cassia Fistula) - Uses, Health Benefits, Dosage, Medicinal Properties

cassiasplane natural herbs

Botanical Name: Cassia fistula
Indian Name: Amaltas
Origin, Distribution and Composition

Cassia or purging cassia is one of the most beautiful trees of India. It is a small to medium-sized tree with compound leaves and large, shining, dark green leaflets. It has bright yellow flowers in very large', hanging branches and black or shining dark brown,50 to 60 cm long almost cylindrical fruits.

The tree is also known as Indian Laburnum owing to its resemblance in colour and profusion of flowers with the European Laburnum. The trade name is based on its scientific name but the specific name fistula, which means a shepherd's pipe, refers to the shape of its fruit.

The cassia tree is indigenous to India. It is very decorative and is found throughout India up to an altitude of about 1500 metres. It is more common in moist or evergreen forests.

The leaves of the tree contain anthraquinone derivatives and very little tannin. The root bark, besides tannin, contains phlobaphenes and oxy-anthraquinone substance; the pulp contains rhein, the major anthraquinone derivative, a small amount of volatile oil, three waxy substances and a resinous substance.

Healing Power and Curative Properties

Nearly all parts of the tree have medicinal properties. The fruits are, however, most important and are included in the Indian Pharmaceutical Codex.


The pulp from the fruits, called cassia pulp, is a well-known laxative, and is used in the treatment of constipation. It can be safely taken even by children and expectant mothers. About 50 grams of the pulp is soaked in water overnight. it is then strained in the morning and taken with 25 grams of sugar.

The pulp of cassia is a mild, pleasant and safe purgative. Approximately four grams of the pulp is taken with an equal quantity of sugar or tamarind. As a purgative, 30 to 60 grams are required, but this quantity may cause colic, nausea and flatulence. It is therefore generally used in combination with other drugs, preferably in mixture with the leaves of senna, botanically known as cassia angustifolia.

Common Cold

The root of the tree is useful in common cold. In case of running nose, smoke from the burning root can be inhaled. It encourages a copious nasal discharge and provides relief.


The root of the tree is a tonic and useful in reducing fever. An alcoholic extract of the root-bark is used for black water fever.

Intestinal Disorders For children suffering from flatulence, the cassia pulp can be applied around the navel to ensure evacuation. Mixed with linseed or almond oil, it can be massaged on the stomach for easing the bowel movements.


The pulp of cassia is very useful in ageusia or loss of sense of taste due to excessive use of opium or cocaine. About 24 grams of the pulp is mixed with a quarter litre of hot milk and used as a mouthwash to treat this syndrome.

Skin Disorders

The leaves of the tree are useful in relieving irritation of the skin and in alleviating swellings and pains. Their juice or paste serves as a useful dressing for ringworm and inflammation of the hands or feet caused by exposure to cold. They also relieve dropsical swellings due to excessive accumalation of fluid in the body tissue. Its leaves can be rubbed beneficially on affected parts for relief from rheumatism and facial paralysis.

Other Uses

Its flowers are at times consumed as vegetables by certain hilI tribes in India.