Canadian Medical Guide > Chemicals and Drugs > Heterocyclic Compounds > Alkaloids > Solanaceous Alkaloids Terms and Definitions

Solanaceous Alkaloids

Medical Definition:	Alkaloids, mainly tropanes, elaborated by plants of the family Solanaceae, including Atropa, Hyoscyamus, Mandragora, Nicotiana, Solanum, etc. Some act as cholinergic antagonists; most are very toxic; many are used medicinally.
Previously Indexed:	Alkaloids (1966-1976),Solanum Alkaloids (1977-1978)

Solanaceous Alkaloids Categories.

	Belladonna Alkaloids - Alkaloids obtained from various plants, especially the deadly nightshade (Atropa belladonna), variety acuminata; atropine, hyoscyamine and scopolamine are classical, specific antimuscarinic agents with many pharmacologic actions; used mainly as antispasmodics.
	Capsaicin - Cytotoxic alkaloid from various species of Capsicum (pepper, paprika), of the Solanaceae.
	Nicotine - Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is also important medically because of its presence in tobacco smoke.
	Solanine
	Tomatine - An alkaloid that occurs in the extract of leaves of wild tomato plants. It has been found to inhibit the growth of various fungi and bacteria. It is used as a precipitating agent for steroids. (From The Merck Index, 11th ed)

Solanaceous Alkaloids Medical Definitions and Terms

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