美国研究人员说,巧克力不但美味可口,而且对人体有益。研究人员分别让两组志愿人士进食25克含有丰富类黄碱素的巧克力和面包,然后在相隔2个小时和6个小时后,向两组人士抽取血液样本,以观察他们的血小板活动。通过实验发现,进食巧克力的志愿人士,体内的血小板活动量较低,进食面包的志愿人士的血小板活动量 US researchers said that chocolate is not only delicious but also good for the human body. The researchers asked two groups of volunteers to eat 25 grams of chocolate and bread rich in xanthophyll, and then blood samples were drawn to the two groups two hours and six hours apart to observe their platelet activity. The experiment found that volunteers eating chocolate, the body’s lower platelet activity, the bread-making activities of volunteers eating bread