Department Molecular and Cellular Sports Medicine; Center of Preventive Dopoing Research, German Sports University Cologne, 50933 Cologne, Germany.
Nutrients. 2020 Jul 22;12(8):2167. doi: 10.3390/nu12082167.
Caffeine is a naturally occurring plant alkaloid and is found in plant constituents such as coffee and cocoa beans, tea leaves, guarana berries and the kola nut [...].
咖啡因是一种天然存在的植物生物碱,存在于咖啡和可可豆、茶叶、瓜拉那浆果和可乐果等植物成分中[... ]。