Catha edulis


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Cath·a ed·u·lis

(kath'ă ed'yū-lis),
A plant of Ethiopia and Arabia (family Celastraceae), cultivated for use as a stimulant; khat (the fresh leaves and twigs) is chewed or used in the preparation of a beverage; the active principle is pharmacologically related to the amphetamines, probably d-norisoephedrine.
[Ar. khat]
Drug slang A regional term for amphetamine
Herbal medicine A shrub with a high content of d-norpseudoephedrine, a CNS stimulant; consumed as a leaf—in a similar fashion to that of coca—khat increases alertness, relieves hunger and fatigue, and produces mild euphoria. See Herbal medicine
Substance abuse The dried bitter leaves of Catha edulis, an evergreen shrub from eastern Africa—e.g., Somalia, Ethiopia—and Yemen; khat is chewed for its stimulatory and euphoric effects by millions in the Saudi peninsula. It contains cathinone—a DEA Schedule I controlled substance—an amphetamine-like alkaloid, which causes excitement, euphoria and anorexia

Catha edulis,

n See khat.

Catha edulis

plant of the family Celastraceae. A small, rare African tree. Contains an unidentified toxin which causes depression, muscle spasms and dysentery. The leaves are chewed by humans for their narcotic effect. Called also khat, gat, caffa.
References in periodicals archive ?
Investigation into the toxicological effects of Catha edulis leaves.
Catha edulis (Khat) use, abuse and current status of scientific knowledge.
The leaves of Catha edulis were collected from City Hajja--Yemen in September 2009.
Were collected leaves of the Catha edulis plant (soft twigs) from Hajja city of argument in mid-September 2009.
As shown in Figure 1, the DPPH radical scavenging activities of various investigated extract n-Butanol and Ethyl acetate of Catha Edulis with age 3 years were in order of AcOEt extract (95.
In Figure 2, the DPPH radical scavenging activities of various investigated extract n-Butanol and Ethyl acetate of Catha Edulis with age 50 years were in order of n-BuOH extract (63.
The results obtained in this study clearly showed that both AcOEt and n-BuOH extracts from the leaves of Catha edulis possess antioxidant activity.
Also, increased plasma levels of alkaline phosphatase, alanine aminotransferase and indirect bilirubin were found in rabbits after three months of Catha edulis exposure (Al-Mamary et al.
Biochemical effects of catha edulis, cathine and cathinone on adrenocortical functions.
Behavioural sensitisation following repeated intermittent oral administration of catha edulis in rats.
Effects of the active constituents of catha edulis on the neuromuscular junction.