Kupilu (Strychnos nux-vomica) is medium sized tree with short and crooked trunk. Wood of the tree is close grained, white colored, very hard and durable. Plant bears irregular branches that are covered with smooth and ash grey colored bark; young shoots of the tree are dark green in color. Leaves are simple opposite, oval about 4 inch long and 3 inch broad, shiny and smooth from both upper and lower surface. Flowers are very small, greenish white and funnel shaped. Flowers are arranged in small terminal cymes and flowers of this plant have very disagreeable odor. Fruits are lovely orange colored, about the size of large apple and surrounded by hard rind or covering. Flesh of the fruit is soft and white with jelly like substance covered 5 seeds with soft woolly covering. After ripening of fruit seeds are removed from fleshy pulp. Seeds are flattened disc shaped covered by hairs from the center of the sides. Hard and dark grey colored seeds are cleaned, dried, sorted and purified for medicinal purposes.
Kupilu is native to tropical and sub-tropical regions of South East Asia and Australia. In India it is distributed in moist deciduous and semi evergreen forests of Maharashtra widely spreading across Konkani and shayadri foothills of Western Ghats up to altitude of 400mts.
Strychinine tree, nux vomica, nux vomique, poisonous nut, semen strychnous, nux vom, vishamushti and quaker buttons are common names of Nux vomica. Kapilu is well known poisonous plant in Indian ayurvedic medicine system. It is described under upvisha gana in Ayurveda. From the ancient times strychnine found in this herb is considered as folk medicine for treating numerous disorders. According to acharya charka poison of this herb is used as brilliant drug after purification (shodhana). But in higher doses it acts like a poison.
Seeds of this herb are aphrodisiac, appetizers, digestive, purgative and stimulant in nature. In Ayurveda after purification it is used to prepare numerous formulations. Major chemical compounds available in this plant are:
During 17th century in England this poisonous herb is used to destroy superfluous animals. In present times a number of preparations from this herb like oil, tincture, powder and liquid extract are used to treat number of disorders.
Kuchla is a poisonous herb and for its medicinal uses purification of Kuchla is necessary. Its purification methods are described below:-
Hindi / Sanskrit |
English |
||
Rasa |
Tikta, Katu |
Taste |
Bitter, Pungent |
Guna |
Laghu |
Physical Property |
Light |
Virya |
Ushna |
Potency |
Hot |
Vipaka |
Katu |
Metabolic Property (After Digestion) |
Pungent |
It balances vata and kapha dosha and it aggravates pitta dosha.
Charak Samhita |
Sushrut Samhita |
Upvisha gana |
Upvisha gana |
It states that tinduk, jalad, dhirgpatrak, kapilu, kulak, kaaktinduk, kaakpiluk, kaakendu, vishtindu and markattinduk all are synonyms of nux vomica. This herb is bitter in taste with cold effects. It possesses light properties, aggravates vata dosha and causes delirium. It causes intoxication and it act as absorbent. It is used to cure pitta and kapha dosha and very effective for treating bleeding disorders.
The Bhavprakash nighantu with elaborated Hindi commentary by Padmashri prof. K.C.Chunekar, edited by Late Dr. G.S.Pandey: Twenty Eighth edition of 2010: Amradiphala varga; verse 66-68, page no-556.
Nux vomica is not recommended for more than one week. It is not safe for pregnant and lactating mothers. Strychnine in nux-vomica causes complete damage to liver. Its higher dose may cause various side effects that may include:-