How much ephedrine is in ma huang?

How much ephedrine is in ma huang?

How much ephedrine is in ma huang?

Ma-huang is a traditional Chinese medicinal herb derived from EPHEDRA: sinica Stapf and other EPHEDRA: species, used to treat asthma, nose and lung congestion, and fever with anhidrosis. It contains 0.5-2.5% by weight of total alkaloids, of which ephedrine accounts for 30 to 90%.

What plants contain the most ephedrine?

The ephedra bush grows in the desert regions of Asia, North America, and other parts of the world. Not all ephedra plants contain ephedrine alkaloids. It is the alkaloid content of the plant that gives it a medicinal effect. The Asian ephedra plant typically has the highest concentration of ephedrine alkaloids.

Does ma huang contain caffeine?

Ephedrine and caffeine are the primary active components in dietary supplements that contain Ma Huang (ephedra) and guarana-derived caffeine (Csajka et al., 2005).

When did the US ban ephedrine?

2004 The U.S. Food and Drug Administration (FDA) banned the sale of dietary supplements containing ephedrine alkaloids (stimulant compounds found in Ephedra sinica and some other plants) in the United States in 2004.

What is similar to Ma Huang?

One of the most common substitutes is Zi Su Ye. Like Ma Huang, Zi Su Ye is a pungent and warm herb which targets the lung. It is acrid and can disperse while inducing sweating like Ma Huang but is not as strong.

Does ephedrine damage your heart?

"Ephedrine looks benign when you look at its effects on normal heart rates, but when there is a blockage, boom, ephedrine causes a potentially lethal arrhythmia," Dr. Adamson said. "The heart starts beating so fast, it can no longer pump blood." Dr.

What plant has ephedrine in it?

Ephedra sinica, a Chinese species of ephedra (ma huang), contains the alkaloids ephedrine and pseudoephedrine. Ephedrine is an amphetamine-like compound that can powerfully stimulate the nervous system and heart.

Does Mormon tea contain ephedrine?

Mormon tea is made from a plant, Ephedra nevadensis. The dried branches are boiled in water to make the tea. ... Be careful not to confuse Mormon tea (Ephedra nevadensis) with ephedra (Ephedra sinica and other ephedra species). Unlike these other plants, Mormon tea does not contain ephedrine, an unsafe stimulant.

How much ma huang is safe?

What is the recommended dosage? Current guidelines suggest limiting dosage of ephedrine to less than 90 mg/day. Medical supervision may be the most appropriate mode for safe administration of ma huang.

Is ephedrine bad for your kidneys?

You should avoid ephedrine because it pushes up your heart rate and blood pressure, possibly damaging your kidneys and increasing your risk of heart disease and strokes.


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