茶、咖啡和可可曾长期被列为痛风患者禁用的饮食之列。禁用的原因是它们分别含有茶叶碱、咖啡碱和可可碱,其分子结构均是甲基黄嘌呤,因此人们认为茶叶碱、咖啡碱和可可碱在体内代谢后,会转变为尿酸。近年来大量研究发现,甲基黄嘌呤在人体内代谢后变为甲基尿酸盐,与尿酸盐是两种不同的物质,不会在肾脏和关节等处沉积,也不会形成痛风 Tea, coffee and cocoa have long been classified as prohibited foods for gout patients. Banned because they contain theophylline, caffeine and theobromine, respectively, the molecular structure of methylxanthines, it is believed that theophylline, caffeine and theobromine in the body after metabolism, will be converted to uric acid. In recent years, a large number of studies have found that methylxanthine becomes methyl urate after metabolism in the human body, and urate is two different substances that do not deposit in the kidneys and joints or form gout