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Also, they warned that everyone should avoid taking ephedrine or pseudoephedrine with other stimulants like caffeine. They also banned all products that contain both ephedrine (or pseudoephedrine) and caffeine. [148] Products whose only medicinal ingredient is pseudoephedrine must be kept behind the pharmacy counter.
Ephedrine works by inducing the release of norepinephrine and hence indirectly activating the α-and β-adrenergic receptors. [11] Chemically, ephedrine is a substituted amphetamine and is the (1R,2S)-enantiomer of β-hydroxy-N-methylamphetamine. [14] Ephedrine was first isolated in 1885 and came into commercial use in 1926.
Chelate complex of the Chen-Kao reaction starting from (1S,2S)-pseudoephedrine. The Chen-Kao reaction (named after Ko Kuei Chen and Chung-Hsi Kao, Madison, Wisconsin 1926) [1] [2] is a chemical method for determining the presence of pseudoephedrine, ephedrine, and similar phenylalkylamines. [3]
The Ephedra alkaloids, ephedrine and pseudoephedrine – constituents of E. sinica and other members of the genus – have sympathomimetic and decongestant qualities, [22] and have been used as dietary supplements, mainly for weight loss. [23] The drug ephedrine is used to prevent low blood pressure during spinal anesthesia. [22]
Zhenli Ye Gon (born January 31, 1963, in Shanghai [1] [2]) is a Chinese-Mexican businessman currently under suspicion of trafficking pseudoephedrine or ephedrine precursor chemicals into Mexico from Asia. He is the owner and legal representative of Unimed Pharm Chem México, as well as various other Mexican corporations.
Legal restrictions on pseudoephedrine have not reduced meth use, but they have driven people with colds or allergies toward substitutes that seem to be completely ineffective.
Ephedra was used 5000 years ago in China as a medicinal plant; its active ingredients are alkaloids ephedrine, pseudoephedrine, norephedrine (phenylpropanolamine) and norpseudoephedrine . Natives of Yemen and Ethiopia have a long tradition of chewing khat leaves to achieve a stimulating effect. The active substances of khat are cathinone and ...
A wide variety of alkaloid and non-alkaloid compounds have been identified in various species of Ephedra.Of the six ephedrine-type ingredients found in ephedra (at concentrations of 0.02-3.4%), the most common are ephedrine and pseudoephedrine, [13] which are the sources of its stimulant and thermogenic effects. [4]
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