近日,美国的研究人员报道说,在健康成年人中,按照健康补品制造商的说明服用双子叶银杏,并不能改善记忆力或认知能力。美国Williams学院的主要研究人员Paul Solomon声称,研究发现银杏与安慰剂绝对没有任何区别。 Solomon及其同事将230名年龄为60岁或更大的老年男女随机分组。在6个星期中,受试者分别接受银杏(40mg,3次/日)或安慰剂。所有的参加者都很健康,且没有认知损害的记录;在研究的初 Recently, researchers in the United States reported that taking a dicot Ginkgo biloba as a healthy supplement manufacturer does not improve memory or cognitive ability among healthy adults. Paul Solomon, a principal researcher at Williams College in the United States, claimed that the study found absolutely no difference between ginkgo and placebo. Solomon and colleagues randomized 230 elderly men and women aged 60 or older. During 6 weeks, subjects received ginkgo (40 mg, 3 times/day) or placebo, respectively. All participants were healthy and there was no record of cognitive impairment; at the beginning of the study