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女人该怎样预防心脏病?

2010-04-15来源:和谐英语

  Researchers from Milan say high GI foods are to blame for a rise in heart attack risk in women, rather than just the quantity of carbohydrates.

  米兰的研究者说,与碳水化合物的摄入量相比,那些高升糖指数的食品才更是导致女人心脏病风险升高的罪魁祸首。

  The Italian study found the danger lies in refined carbohydrates which often have a high Glycaemic Index (GI) score.

  意大利一项研究表明,一些制作精良的碳水化合物食品中含有的升糖指数,常常是心脏病潜伏的因素。

  The GI rates how quickly glucose is released into the bloodstream after eating, with a ranking from 0 to 100.

  升糖指数可以估测出,在你吃完饭后,食物中的葡萄糖是以多快的速度分解到血液中的,这一速度值范围是0到100 。

  Low GI foods - with a value of 55 or less - such as brown pasta, porridge and lentils - break down slowly during digestion while high GI foods of 70 or over, including white bread, pizza and white rice, cause a surge in blood sugar.

  而那些具有低升糖指数的食物,诸如布朗面食、粥以及小扁豆等,其葡萄糖溶于血中的速度值大约是55或甚至更低,这些食物在被人消化时候的速度是很慢的,而那些具有高升糖指数的,比如白面包、匹萨和米饭这类食物,它们被消化的速度反而很快,速度值约为70甚至更高,因此它们会造成血糖的大幅度升高。