Folk Michaai

Action ► Purgative, febrifuge. Seeds—cardiac depressant, spasmolytic, hypotensive, antibacterial, antifungal. Plant juice destroys bedbugs.

The seeds contain resin glycosides which are laxative. Lysergol is also present in the seeds. It exhibits hy-potensive, psychotropic, analgesic, and uterus and intestine-stimulating properties. The presence of indole alkaloids is reported in the seed.

Ipomoea pes-caprae (Linn.) Sweet.

Ipomoea nil (Linn.) Roth

Convolvulus bilobatus Roxb. Convolvulus nil Linn.

Family ► Convolvulaceae.

Habitat ► Throughout India; also occurs as a weed.

English ► Pharbitis seeds.

Ayurvedic ► Antah-kotarpushpi, Kaalaanjani (provisional synonym), Krishnabija, Kaalaadaanaa, Shyaamabija, Shankhani, Jhaara-maaricha.

Unani ► Kaalaadaanaa.

Siddha/Tamil ► Kaakkattan.

Action ► Purgative and blood-purifier. A substitute for Jalap. Seeds—antifungal.

The seeds from Pakistan contain al-kaloids—lysergol, chanoclavine, pen-niclavine, isopenniclavine and elymo-clavine. Also contain 14.2% resin and glucosides.

Commercial samples of the drug contain 14-15% of crude resinous matter. Research has shown that glycosi-dal part of the resin is inert; the non-glycosidal resin (2% of the drug) causes copious purgation in doses of 250 mg. Besides the resinous matter, the seeds contain a fixed oil (12.4%) and small amounts of saponin, mucilage and tannin.

The flowers of the plant contains an-thocyanin pigments.

The plant extract exhibited hypogly-caemic activity in rats.

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