Operculina turpethum Health Dictionary

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Operculina Turpethum: From 1 Different Sources

(Linn.) Silva Manso.

Synonym: Ipomoea turpethum R. Br.

Family: Convolvulaceae.

Habitat: Throughout India up to 1,000 m; occasionally grown in gardens.

English: Indian Jalap, Turpeth.

Ayurvedic: Trivrta, Trivrtaa, Trib- handi, Triputaa, Saralaa, Suvahaa,

Rechani, Nishotra, Kumbha, Kaalaa, Shyaama, Shyaamaa.

Unani: Turbud, Nishoth.

Siddha/Tamil: Karunchivadai.

Action: Root—purgative, antiinflammatory (particularly used in rheumatic and paralytic affections; also in fevers, oedema, hepatic and haemophilic diseases).

White Turpeth is preferred to Black Turpeth as cathartic; the latter produces drastic purgation and causes vomiting, fainting and giddiness. White Turpeth is derived from Mars- denia tenacissima in folk medicine.

The active principle of O. turpethum is a glycosidic resin present in the drug up to 10%. It is similar to jalap resin and is concentrated mostly in the root bark. It contains an ether insoluble glycoside, turpethin, which constitutes about half of the resin and two ether soluble gly- cosides, alpha-and beta-turpethein (8 and 6% respectively).

Dosage: Root—1-3 g powder. (API, Vol. III.)
Health Source: Indian Medicinal Plants
Author: Health Dictionary

Exogonium Purga

Benth.

Synonym: Ipomoea purga Hayne.

Family: Convolvulaceae.

Habitat: Native to Amercia. Grows in Southern and Eastern India.

English: Jalap.

Unani: Jalaapaa.

Action: Tuber—drastic hydr- agogue cathartic, acts briskly, causes watery evacuations. Overdoses produce hypercatharsis. Contraindicated in inflammatory conditions of the bowels. (The roots of Operculina turpethum synonym Ipomoea turpethum are used as a substitute for jalap.)... exogonium purga

Ipomoea Petaloidea

Choisy.

Operculina petaloidea

Family: Convolvulaceae.

Habitat: Throughout India; ascending to 300 m.

Ayurvedic: Shyaamaa, Chhaa- galaantri, Vriddhadaaraka, Vrid- dhadaaru. Argyreia nervosa (Burm. f.) Boj., synonym A. spiciosa Sweet, Convolvulaceae, is equated with Vriddhadaaru and Vriddhadaaruka, while Ipomoea petaloidea and I. pes-caprae are also known by identical synonyms. Operculina turpethum, synonym I. turpethum is used as a substitute for I. petaloidea.

Unani: Shaaraf.

Siddha: Nilapoosani.

Folk: Bidhaaraa, Nishoth (black var.)

Action: Purgative. Used as a supporting herb for diseases of the nervous system.

Dosage: Leaf, root—3-6 g powder; leaf juice—5-10 ml. (CCRAS.)... ipomoea petaloidea

Marsdenia Tenacissima

Wight & Arn.

Family: Asclepiadaceae.

Habitat: Himalayas from Kumaon to Assam, up to 1,500 m, Madhya Pradesh, Bihar, Deccan Peninsula.

English: White Turpeth.

Ayurvedic: Muurvaa, Atirasaa, Madhurasaa, Gokarni, Morataa, Madhulikaa, Suvaa, Devi, Tejani, Tiktavalli.

Siddha/Tamil: Perunkurinjan.

Folk: Maruaa-bel.

Action: Root—purgative, antispas- modic, mild CNS depressant; used in colic.

Ayurvedic Pharmacopoeia of India recommends the bark in lipid disorders, also in polyuria and haemorrha- gic diseases.

Roots and seeds are rich in pregnane glycosides of 2-deoxysugars, which on hydrolysis gave genins and sugars. Stem yielded tenacissosides A to E. In folk medicine, the root is known as White Turpeth (Safed Nishoth). Op- erculina turpethum (Linn.) Silva Manso synonym Ipomoea turpethum R. Br. is the source of Turpeth (Nishoth) in Indian medicine.

Dosage: Root—2-6 g powder, 1020 g for decoction. (API, Vol.II.)... marsdenia tenacissima

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