麻黄碱

麻黃鹼

máhuánɡjiǎn

noun #25,545

Meanings

1 ephedrine
2 an alkaloid derived from the herb ephedra (麻黄)

Characters

hemp/numb/rough

alkali/base (chemistry)

Examples

麻黄碱常用于治疗哮喘和鼻充血。

Máhuángjiǎn cháng yòng yú zhìliáo xiàochuǎn hé bí chōngxuè.

Ephedrine is commonly used to treat asthma and nasal congestion.

麻黄碱是制造冰毒的原料之一。

Máhuángjiǎn shì zhìzào bīngdú de yuánliào zhī yī.

Ephedrine is one of the raw materials used to manufacture methamphetamine.

Tips

history

麻黄碱 is derived from 麻黄 (Ephedra sinica), a plant used in traditional Chinese medicine for over 2,000 years. Modern chemistry isolated the active alkaloid ephedrine from it in 1887. Its precursor role in methamphetamine production led to strict international controls.

Stroke Order

麻 má

黄 huáng

碱 jiǎn