科学家们发现肥胖的人通常不会食用多纤维食物。在某种层面上这种做法合情合理。可发酵纤维,即可以被肠道细菌分解的纤维会让人们有饱腹感,尽管吃的很少。水果,蔬菜,燕麦等食物中含有此类纤维。
Hundreds of thousands of years ago, our paleolithic ancestors ate nearly 100 grams of fermentable fiber each day, says Gary Frost. He's a dietician who led the new study. Today, people's diets are very different. We eat only 10 to 20 grams of all types of fiber each day. Most comes from whole-grain wheat and bran. Those types do not break down in the gut, Frost notes. Modern diets also are full of convenience foods, such as snacks and frozen dinners. These tend to be high in fat and sugar. Add in our couch-potato lifestyle and it's a recipe for obesity.
新研究领导者兼营养学家Gary Frost称几十万年以前,我们的旧石器时代祖先每天吃掉近100克的发酵纤维,而今天人们的饮食较之从前大有改变。每天我们仅摄入10-20克各类型纤维,多数是全麦小麦和麦麸,这类粗纤维食物恰恰不会在肠胃里分解。现代饮食同时也充满了各类快捷食品,如冷冻餐和快餐等等。而这类食品正好富含脂肪和糖分,加入了我们"沙发土豆"的生活方式,助肥为虐。
Eating more fermentable fiber reduces the risk of becoming overweight or obese. But until the new study, exactly how the fiber did that was unclear.
【想控制体重,多补充纤维吧】相关文章:
最新
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15
2020-09-15