薬やっ効こう物ぶつ

noun

medically effective ingredient

Refers to a substance or component that has a proven medicinal effect. Often used in pharmaceutical or regulatory contexts.

• この薬くすりの薬やっ効こう物ぶつは、特とく定ていの植しょく物ぶつから抽ちゅう出しゅつされています。

  The medically effective ingredient in this medicine is extracted from a specific plant.