Diet low in flavanols may drive age-related memory loss, scientists claim.

科学家称，低黄烷醇饮食可能会导致与年龄有关的记忆力丧失。

The belief is that dark chocolate can increase muscle growth because it contains the flavanol epicatechin.

有人相信黑巧克力可以增长肌肉，因为它富含黄烷醇表儿茶素。

He also says many manufacturers remove the flavanols from their chocolate products.

他说很多制造商还从巧克力产品中去掉了黄烷醇。

He is the lead writer of a research paper describing the effects of cocoa flavanols on brain activity.

他是一份研究论文的主撰稿人，这篇论文描述了可可黄烷醇对大脑活动的影响。

Sounds delicious, but it sounds more like… it also has cocoa flavanols, though, they say.

听起来很美味，但听起来更像是… … 不过，他们说，它还含有可可黄烷醇。

Another study is looking to see if high levels of cocoa flavanols can help prevent heart attacks and strokes.

另一项研究着眼于看可可黄烷醇能否预防心脏病和中风。

" This capsule of cocoa flavanols will avoid having the calories and the sugar and the saturated fat found in chocolate."

“这种可可黄烷醇胶囊不含巧克力中的热量、糖分和饱和脂肪。”

Dr. Small says that the subjects who had the high-level flavanol drink showed much improvement on memory tests.

斯摩尔博士说，饮用高浓度黄烷醇的受试者的记忆测试水平有了很大提高。

For a period of three months, some subjects got 900 milligrams of flavanol a day. The others got 10 milligrams of flavanol each day.

在三个月时间内，有些受试者每天饮用900毫克的黄烷醇，其他的每天饮用10毫克的黄烷醇。

But, one group's capsules will contain flavanols. The other group will take capsules made of an inactive substance, or placebo.

但是一组服用的胶囊含有黄烷醇，另一组服用的胶囊是用非活性物质即安慰剂制成的。