Ma-huang

Nagai s ephedrine was obtained from Ma-Huang and the same alkaloid, together with its stereoisomeride pseudoephednne ( -ephedrine), was isolated by Merck from the European species, E. helvetica C. A. Meyer. From commercial Ma-Huang Smith prepared two additional bases, 1-W-methylephedrine and nnr-d- -ephedrine. Nagai and Kanao added two more, viz., d-W-methyl- -ephedrine and Z-norephedrine, and... [Pg.635]

Ephedra (sea grape, ma-huang, yellow horse) ephedra sinica Relieves colds, improves respiratory function, headaches, diuretic effects 3heart rate, psychosis l hedra should only be used after consulting with the physician. Many restrictions apply and the herb can cause serious reactions. Do not use with cardiac glycosides, monoamine oxidase inhibitor halothane, guanethidine, (MAOIs) or oxytocin. Do not use with 3. John s wort or in weight loss formulas. [Pg.660]

Ephedrine is the principal active ingredient in the herb ephedra, or ma huang. It is similar in form to the appetite-control drug phenylpropanolamine (banned in the United States), which is also known as norephedrine, meaning ephedrine whose methyl group has been replaced by a hydrogen. [Pg.159]

M-dihydroxybenzene. See resorcinol ma huang. See ephedrine Magic Rocks, 240... [Pg.257]

Select over-the-counter dietary supplements and non-traditional medicines (e.g., ephedra, ma huang, and bitter orange)... [Pg.12]

Herbals Ma huang, St. )ohn s wort, ginseng, guarana, belladonna... [Pg.610]

Ma Huang (Ephedra sinica) is another potentially harmful herb that is available in the United States. Claims of utility of Ma Huang for the treatment of bronchial asthma, cold and flu symptoms, fevers or chills, headaches and other aches, edema, and lack of perspiration have been made [23], Ma Huang contains approximately 1% of ephedrine and therefore possesses central nervous stimulatory potential [24], However, ephedrine is difficult to extract and purify from Ma Huang, so it presently has no street value. [Pg.736]

Some products available on the market contain a combination of Ma Huang and St. John s wort and are referred to as herbal phen-fen. Phen-fen received its name when the combination of phentermine and fenfluramine were used for weight loss. Herbal phen-fen is touted as a natural and effective weight loss agent that does not contain phentermine or fenfluramine. However, herbal phen-fen carries the same warnings that apply to Ma Huang and St. John s wort when each is used alone. Furthermore, there are no clinical studies to support the use of herbal phen-fen. ... [Pg.736]

Ephedra, also known as Ma-Huang, is a central nervous system stimulant that is similar to amphetamine. Ephedra alkaloids (a material found in plants) with the active ingredient ephedrine have been used for medicinal purposes in China for... [Pg.49]

Johnson KJ, Cygan RT, Fein JB (2006) Molecular simulations of metal adsorption to bacteria surfaces. Geochim Cosmochim Acta 70 5075-5088 Jokic A, Frenkel AI, Vairavamurthy MA, Huang PM (2001) Bimessite catalysis of the Maillard reaction and its significance in natural humification. Geophys Res Lett 28 3899-3902... [Pg.33]

Pseudoephedrine hydrochloride is prepared by a Welsh rearrangement10 of -ephedrine hydrochloride with acetic anhydride followed by deacetylation with hydrochloric acid.11 -Ephedrine can be resolved from d -ephedrine with -mandelic acid.12 -Ephedrine occurs naturally in certain plants of the Ma Huang species. [Pg.497]

Ephedra is also known by the Chinese name ma huang, which translates as "yellow astringent." It has been used medicinally by the Chinese for more than five thousand years. A related species. Ephedra nevadensis, grows in North America and is sometimes referred to as Mormon tea (Rudgley... [Pg.128]

White LM, Gardner SF, Gurley BJ, Marx MA, Wang PL, Estes M. (1997). Pharmacokinetics and cardiovascular effects of ma-huang (Ephedra sinica) in normotensive adults. J Clin Pharmacol 37(2) 116-22. [Pg.467]

Ma huang (Ephedra sinica) Protects against respiratory disorders... [Pg.42]

Ephedra (Ephedra sinica)/Ma Huang Evening Primrose Oil Oenothera biennis) Feverfew Tanacetum parthenium)... [Pg.58]

Ephedra (Ephedra sinica)/Ma Huang Uses Stimulant, aid in wt loss, bronchial dilation Dose Not OK d/t reported deaths (>100 mg/d can be life-threatening). US sales banned by FDA in 2004 bitter orange w/ similar properties has replaced this compound in most wt loss supplements Caution Advise cardiac events, strokes, death SE Nervousness, HA, insomnia, palpitations, V, hypoglycemia Interactions Digoxin, antihypertensives, antidepressants, diabetic medications EMS Tinctures extracts contain EtOH may X glucose linked to several deaths behavioral mood changes... [Pg.328]

Ephedra (ma huang) Arrhythmias, stroke, elevated blood pressure... [Pg.787]

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