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心情不好吃点甜食?越吃甜可能越忧郁!

2018-04-21 07:56:05    新华网

来自美国加州大学洛杉矶分校研究人员实验显示,摄入糖分过多会导致大脑受损,记忆力下降。即使这种影响可能并不是永久性的,但摄入糖分过多会导致胰岛素抵抗,从而令大脑神经突触和记忆受损,却是不争的事实。

糖分总是披着华丽的“外衣”来吸引我们的眼球,然而吃下去的分量却无法“斗量”。那么,该如何识别食物中“隐藏的糖”呢?李青教授告诉记者,在日常生活中,甜食包括糖果、砂糖、冰糖、蜜糖、中西甜点心、糕点、炼乳、含糖饮料、巧克力、罐头水果、糖制干果等。“我们现在饮用的果汁、碳酸饮料中含糖量大于5%,多数饮品含糖量在8%~11%,有的高达13%。由于饮用量大,因此很容易在不知不觉中超过WHO建议的25g,甚至50g。”此外,她还表示,中西甜点心在烹调制作过程中,通常加入较多的白砂糖、蔗糖、果葡糖浆,因此这类食品含糖量很高。“现在我们的西方饮食方式,大家喜欢将中西点心(面包、蛋糕等)作为每天的早餐或加餐食用,容易造成添加糖摄入量超标。”

聪明的消费者会买标榜“无糖”的食品,但研究发现,喝“无糖”汽水的忧郁症风险比“有糖”的增加9%;“无糖”果汁比“有糖”还增加43%的风险。《自然》期刊文章指出,这类“无热量人工甜味剂”,包括阿斯巴甜、糖精、蔗糖素,会导致血糖不稳定代谢综合征,而且是通过肠道菌失调而导致。

  专家健康小贴士

  “无添加”才是最天然最健康

戒糖不容易。想要拒绝随手可得的甜食,或许可以从一顿饱含蛋白质的早餐开始。早晨摄入蛋白质,可减少对糖类食物的渴望。究竟应该怎样“吃”才更健康?让我们一起听听李青教授怎么说。

1.日常摄入的主食(米、面、全谷物),含有的碳水化合物类型为淀粉及非淀粉多糖,是居民主要的膳食能量来源。WHO建议添加糖的摄入量每天控制不超过50克,最好控制在25克以下。

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