夏天缺钾，头晕眼花，常吃3种食物，补钾消暑，增强免疫力！
这3种食物比香蕉更补钾，患有心脑血管疾病的人，要多吃为好
补钾的食物：
粮食中：以荞麦、玉米、红薯、大豆等含钾元素较高。
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水果中：以香蕉含钾元素最丰富。
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蔬菜中：以菠菜、苋菜、香菜、油菜、甘蓝、芹菜、大葱、青蒜、莴笋、土豆、山药、鲜豌豆、毛豆等含钾元素较高。
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海藻类：含钾元素相当丰富，如紫菜每百克含钾1640毫克，是含钠的175倍；海带含钾是含钠的22倍；羊栖菜含钾是钠的3．1倍。因此，紫菜汤、紫菜蒸鱼、紫菜肉丸、凉拌海带丝、海带炖肉等都是夏季补钾菜肴的上品。
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扩展资料
1.钾是人体内不可缺少的元素，一般成年人体内的含钾元素150g左右，其作用主要是维持神经、肌肉的正常功能。因此，人体一旦缺钾，正常的运动就会受到影响。
2.钾是人体生长必需的营养素。它占人体无机盐的5%，对保持健全的神经系统和调节心脏节律非常重要。它能防止中风，维持正常的肌肉收缩，与钠共同维持体液平衡。
参考资料：/baike.baidu.com/item/%E9%92%BE%E5%85%83%E7%B4%A0/1886544"target="_blank"title="百度百科——钾元素">百度百科——钾元素
