Máhuáng hányǒu máhuángjiǎn, suǒyǐ hěnduō guójiā duì tā de xiāoshòu yǒu yángé de xiànzhì.
Ephedra contains ephedrine, so many countries strictly control its sale.
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history
One traditional explanation of the name, recorded by 李时珍, is that the herb tastes numbing (麻) and is yellow (黄). Ephedrine, 麻黄碱, was first isolated from it in the 1880s.
