咖啡因

It appears that theaflavins modify the bitterness of caffeine and caffeine the astringency of theaflavins, giving the beverage its characteristic briskness.

看来茶黄素改善了咖啡因的苦味，咖啡因改善了茶黄素的涩味，从而赋予红茶饮料以特有的"清爽味"。

Of course caffeine is good for us! Caffeine is one of the most common drugs in the world.

当然咖啡因对我们来说是好处多多，咖啡因在世界上是最好的良药之一。

One of today's prides of Caribou Coffee is their decaffeinated coffee which is 100% caffeine free.

其中今天引以为荣的驯鹿是他们无咖啡因咖啡是百分之百咖啡因咖啡免费。

The researchers then looked at total caffeine intake from coffee, colas, and other foods, and found that it too appeared to protect against the development of diabetes. Men and women in the highest quintile of caffeine intake were 22% and 30% less likely to develop diabetes, respectively, compared with those in the lowest quintile.

研究人员也研究咖啡、可乐和其他食物的咖啡因摄取量，发现这些食物似乎也可以避免糖尿病的发生，在咖啡因消耗量排名前五分之一的男性和女性，其发生糖尿病的机率比消耗咖啡因量排名后五分之一的人少了约22%和 30%。

The growth rate and enzyme activities significantly decreased when dikaryotic hypha ofPleurotus ostreatus were irradiated with γ-rays and subsequently treated with either caffeineor Na2-EDTA in comparison with γ-rays treatment alone. The inhibition effect of treatmentwith either caffeine or Na2-EDTA before irradiation was more obvious than that after irradi-ation. Treatment with either caffeine or Na_2-EDTA could cause biological damages on hyphawhen the concentrations of caffeine and Na_2-EDTA were up to 0.5 and 1.0mg/ml respective-ly.

侧耳双核菌丝经γ射线辐照后用咖啡因或Na＿2－EDTA处理，其生长速度和漆酶及多酚氧化酶活性较单一γ射线辐照明显降低，使辐射损伤加剧；辐照前用咖啡因和Na＿2－EDTA处理，抑制辐射损伤修复的效果优于辐照后处理；咖啡因和Na＿2－EDTA浓度分别达到0.5和1.0mg／mL后，单独处理侧耳菌丝会直接引起生理损伤。

A medium-strength cup of tea will provide about one-third as much caffeine as a cup of percolated coffee, and about two-thirds as much as a cup of instant coffee.

一个中等杯中的茶含有约三分之一的咖啡因与咖啡豆磨成的咖啡所含的咖啡因一样，其中约三分之二与一杯速溶咖啡多含的咖啡因一样。

The researchers then looked at total caffeine intake from coffee, colas, and other foods, and found that it too appeared to protect against the development of diabetes. Men and women in the highest quintile of caffeine intake were 22% and 30% less likely to develop diabetes, respectively, compared with those in the lowest quintile.

研究人员也研究咖啡、可乐和其它食物的咖啡因摄取量，发现这些食物似乎也可以避免糖尿病的发生，在咖啡因消耗量排名前五分之一的男性和女性，其发生糖尿病的机率比消耗咖啡因量排名后五分之一的人少了约22%和 30%。

"The caffeine content of energy drinks varies over a ten-fold range, with some containing the equivalent of 14 cans of Cola drinks, yet the caffeine amounts are often unlabelled and few include warnings about the potential health risks of caffeine intoxication," says Roland Griffiths, one of the authors of the article.

功能性饮料中咖啡因的含量差距可以达到十倍，其中一些功能性饮料含有相当于14听可乐饮料的咖啡因。现在咖啡因的含量经常会没有标识并且很少警告咖啡因所带来的潜在的健康风险。文章的作者之一Roland Griffiths谈到

Side-step caffeine withdrawal headaches by switching to half-caffeinated, half-decaffeinated beverages.

若要逐步戒除咖啡因头疼，可以改喝半咖啡因、半无咖啡因饮料。

Cup. Arabica coffee varieties normally contain about half the caffeine of robusta varieties, and dark roast coffee usually has less caffeine than lighter roasts since the roasting process reduces caffeine content of the bean.

世界杯。布伦特品种通常含有的咖啡因大约一半的罗布斯塔品种，和暗烤咖啡咖啡因通常较少更轻烤肉比焙烧过程以来减少咖啡因含量的大豆。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。