Ipomoea pescaprae

Family ► Convolvulaceae.

Habitat ► Near sea, especially on the West Coast.

English ► Goat's Foot Creeper.

Ayurvedic ► Chhagalaantri, Mar-yaada-valli.

Siddha/Tamil ► Adambu, Attukkal, Musattalai.

Action ► Astringent, stomachic, laxative, antidiarrhoeal, antiemetic, analgesic. Leaf—diuretic, anti-inflammatory. Used in colic, prolapsus ani; externally in rheumatism. Essential oil of leaves— antagonistic to histamine. Leaf extract is used for different types of inflammations including injuries caused by poisonous jelly-fish.

Clinical trials have proved that an extract (IPA) inhibited the action of jelly-fish toxins. Its topical application inhibited carrageenan-induced paw and ear oedema induced by arachi-donic acid or ethyl phenylpropionate in rats. The crude extract of leaves also show inhibitory effect on prostaglan-din synthesis in vitro.

Crude extract (IPA) of the leaves has also been shown to antagonize smooth muscle contraction induced by several agonists via non-specific mechanism. Antispasmodic isoprenoids,

334 Ipomoea petaloidea Choisy.

beta-damascenone and E-phytol have been isolated from the extract. The antispasmodic activity was found to be in the same range as that of papaverine.

The alcoholic extract of leaves showed insulinogenic and hypoglycaemic activities in rats, comparable to the hypoglycaemic drug chlor-propamide.

The leaves and seeds contain indole alkaloid. Plant also contains a steroid, an amide, pentatriacontane, triacon-tane, volatile oil and behenic, melissic, butyric and myristic acids.

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