研究人员发现当两个小组的零食不是麦芬蛋糕而是杏仁时,他们的低密度脂蛋白和总胆固醇量都有所下降。此外,食用杏仁增加了他们的高密度脂蛋白(一种有益的胆固醇),而食用麦芬蛋糕却会减少这种脂蛋白。
What’s more is that even though overall body weight did not change when participants were snacking on almonds versus muffins, their belly fat and waist circumference went down.
他们还发现当受试者零食吃的是杏仁时,虽然总体重没有变化,但他们腹部的脂肪和腰围却都会减少。
And get this: both the muffin and the portion of almonds contained nearly the same number of calories (273 and 253, respectively) and both diets had the same overall number of calories. This evidence shows strong support for the argument that it’s the quality of calories that make for a healthy diet, not just quantity. The fact that almonds are rich in protein, fiber, and vitamin E —nutrients muffins score much lower in—most likely played a role in the results of this study. So next time you reach for a snack, think: nutrient-rich!
另外,同样分量的麦芬蛋糕与杏仁所含的卡路里基本相同(它们分别含273和253卡路里)而且这项研究中两组受试者的饮食安排在卡路里总量上保持一致。这强有力地证明了一个说法:决定饮食健康与否的并不是卡路里含量,而是所含卡路里的质量。杏仁富含蛋白质、纤维和维生素E,而麦芬蛋糕中的这些营养物质含量远不及杏仁。正是这点极有可能使得实验有这样的结果。因此下次你要吃零食时,想一想,要选营养丰富的哦!
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