荷兰一项研究发现,鸡蛋中含有的色氨酸,吃了能让人变得更加大方。研究招募了32名志愿者,给每人发了7.5英镑(约70元人民币)。一组人服用含有0.8克色氨酸的补充剂(相当于3个鸡蛋中的总量),另一组服用安慰剂。之后捐款时,服用色氨酸的人平均捐款75便士(约7元人民币),是另一组的2倍。研究人员说,色氨酸在体内 A Dutch study found that tryptophan contained in eggs, eat can make people become more generous. The study recruited 32 volunteers and gave each of them 7.5 pounds (about 70 yuan). One group took supplements containing 0.8 grams of tryptophan (equivalent to the total of three eggs) and the other group took placebo. After donations, people taking tryptophan donated an average of 75 pence (about 7 yuan), is another two times. Researchers say that tryptophan is in the body