colorless pungent crystalline compound derived from capsicum; source of the hotness of hot peppers of the genus Capsicum such as chili and cayenne and jalapeno
例句
用作名词(n.)
A particularly appealing one is the capsaicin receptor.其中最吸引人的目标是辣椒素受体。
Capsaicin the active ingredient in cayenne assists digestion by stimulating the flow of both saliva and stomach secretions.辣椒中的辣椒素可刺激唾液及胃液的分泌而促进消化。