牛角椒植物學上分類是水果， 但烹飪上會視為蔬菜。 They are botanical fruits but culinary vegetables. 

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​椒類所含的辣椒素，可對哺乳類動物的皮膚產生灼燒感。Capsaicin contained in capsicums is a lipophilic chemical that can cause a strong burning sensation when it comes in contact with mucous membranes.