咖啡的十个小知识 ：咖啡因可能有助于提升女性性欲  

　　5. Caffeine Can Indeed Keep You Up at Night

　　咖啡因的确有助于你夜晚失眠

　　Health experts advise avoiding it for 6 hours before bedtime.

　　健康专家建议临睡前6个小时内不要饮用咖啡。

　　6. Decaf Coffee Has Caffeine!

　　脱咖啡因咖啡同样含有咖啡因

　　If you drink five to 10 cups of decaffeinated coffee, you could get as much caffeine as from one or two cups of caffeinated coffee, a study found.

　　研究显示，饮用5到10杯托咖啡因咖啡所摄取的咖啡因，与饮用1到2杯普通咖啡所摄取的咖啡因相同。

　　7. Decaffeination Uses Chemicals

　　脱咖啡因咖啡使用了化学物品

　　Beans are steamed, so that dissolved caffeine rises to the surface, where it is washed off using an organic solvent called methylene chloride.

　　咖啡豆进行蒸汽压力后使溶解的咖啡因漂浮于表面，然后使用一种叫做二氯甲烷的有机溶剂将其过滤掉，即成为脱咖啡因产品。