1. white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically; used to treat allergies and asthma. 
   一种白色无味粉状或晶状生物碱，从麻黄属植物中提取或人工合成，用于治疗过敏和哮喘。
2. A white, odorless, powdered or crystalline alkaloid, C10H15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma. 
   麻黄素一种白色，无味，粉状或结晶状碱，c10h15no，从麻黄属植物中提取或人工合成。用于治疗过敏和哮喘
3. Chinese ephedra yielding ephedrine. 
   中国麻黄属植物，产生麻黄素。
4. An alkaloid that is the active component of curare. 
   筒箭毒碱作为箭毒活跃成分的生物碱
5. Any of various Asian shrubs of the genus Ephedra, especially E. sinica, from which the drug ephedrine is obtained. 
   麻黄任一属于麻黄属的多种亚洲灌木，尤指麻黄，从中可以提取麻黄素

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• 1. 麻黄属生物碱
  eosinophil 嗜伊红性粒细胞...ephedra alkaloid 麻黄属生物碱...ephedrin 麻黄碱
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