"Chocolate contains many substances that act as stimulants, such as theobromine, phenethylamine, and caffeine," Dr. Bryan Raudenbush from Wheeling Jesuit University in West Virginia.
西弗吉尼亚威林学的布莱恩博士说:“巧克力内有很多具有兴奋作用的物质,碱、苯已基以及咖啡因。”
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