Fragments of ceramic beakers from this period contain dark residues that researchers initially assumed came from chocolate , and chemical analysis of the traces revealed caffeine and theobromine , which are components of chocolate .
What it does theobromine suppresses activity in the vagus nerve , which causes coughing .
作用可可碱镇静引起咳嗽的迷走神经过敏。
Theobromine , like caffeine , and also like the asthma drug theophylline , belong to the chemical group known as xanthine alkaloids .
可可碱与咖啡因、茶碱(哮喘药)一样,属于黄嘌呤生物碱家族。
This peripheral mechanism of action differentiates theobromine from codeine and other centrally acting agents , and lessens its lower central nervous system side effects .
Theobromine is the predominant methylxanthine in cocoa that is thought to contribute to the cardiovascular supportive and mood elevating properties ascribed to chocolate .
可可碱是主要的可可甲基,被认为有助于心血管的支持和情绪提升归功于巧克力的属性。
Chocolate contains three substances , caffeine , theobromine and phenyethylamine that might be related to this myth .
巧克力含有的三种物质:咖啡因,可可碱和phenyethylamine也许和这个神话有关。
Holly , on the other hand , does contain all three chemicals , and the ratio of caffeine to theobromine in the beverage residues matches the ratio in black drink .
Almost all chocolate contains some level of caffeine , and on top of that , it 's loaded with stimulants like theobromine , which is known to make your heart race a little bit .