洋葱又名葱头、胡葱、玉葱。洋葱作为蔬菜已有五千年的历史。洋葱不仅是佳蔬,还是药用食物的佳品,能防病治病,延年益寿。降血压,预防冠心病最近,美国科学家在洋葱中发现了前列腺素A,它具有扩张外周动脉和降低外周血管阻力的效力,从而起到降血压的作用。另外,它不仅能增加尿量,促使钠的排泄,还能降低冠状动脉的阻力,增加血流量,预防冠心病。 Onions, also known as onion, cucumber, onion. Onions as vegetables have five thousand years of history. Onions are not only good vegetables, or the best products of medicinal food, can prevent and treat diseases and prolong life. Hypotension and Prevention of Coronary Heart Disease Recently, U.S. scientists discovered that prostaglandin A is found in onions. It has the effect of expanding peripheral arteries and reducing peripheral vascular resistance, thereby lowering blood pressure. In addition, it can not only increase urine output, promote sodium excretion, but also reduce coronary resistance, increase blood flow and prevent coronary heart disease.