钾是维持人体生命活动所必须的营养素,它有维持神经肌肉的正常功能、营养包括心肌在内的肌肉组织、保持肌肉弹性等作用。近年来还发现,血(清)钾水平与中风之间有着密切关系。英国剑桥大学的科学家对859人的摄钾量与中风的关系进行了研究,发现即使每天摄取少量的钾,也可使与中风有关的死亡率减少40%。由此得出“选食含钾丰富的食物可 Potassium is an essential nutrient for maintaining human life. It has the functions of maintaining normal neuromuscular functions, nourishing muscle tissue including myocardium, and maintaining muscle elasticity. In recent years, it has also been found that there is a close relationship between serum potassium level and stroke. Scientists at the University of Cambridge in the United Kingdom studied the relationship between potassium intake and stroke in 859 people and found that even a small daily intake of potassium can reduce the stroke-related mortality by 40%. This leads to ”food-rich potassium-rich foods can be