Vitamin B1, Vitamin C, carotene, niacin, prostaglandin A, diallyl disulfide, and sulfur-containing amino acids. Among these, the sulfur-containing amino acids have the effect of lowering blood lipids and blood pressure, and prostaglandin A acts to dilate blood vessels, reduce blood viscosity, and prevent thrombosis.
Eating onions daily, it was found that the compounds contained in onions can also prevent platelet aggregation and accelerate the dissolution of blood clots. Therefore, when you enjoy high-fat foods, it is best to pair them with some onions, which will help counteract the blood clots caused by high-fat foods. This is why it makes perfect sense that steak is usually served with onions. Onions are not only delicious when cooked but also nutritious. In fact, onions are an alkaline food and contain sugars, inorganic salts, zinc, selenium (an anti-cancer substance), phosphorus, sulfur, and more.
Cold-dressed Onion
Regular consumption of onions has the following benefits for the body:
1. The prostaglandin A it contains is a potent vasodilator that can counteract pressor substances like catecholamine, promote sodium salt excretion, and has a blood pressure-lowering effect;
2. The sulfides it contains can promote fat metabolism, have the effect of lowering blood lipids and preventing arteriosclerosis. If 50-70 grams of onions are consumed daily, its blood lipid-lowering effect is even stronger than that of the lipid-lowering drug clofibrate;
3. The flavonoids in onions can reduce the viscosity of platelets. Regular consumption of onions can prevent thrombosis and reduce the probability of myocardial infarction and cerebral thrombosis;
4. Onions contain organic compounds similar to the hypoglycemic drug tolbutamide, which can significantly lower blood sugar levels;
5. The sulfides, trace element selenium, etc., it contains can inhibit stomach cancer, esophageal cancer, colon cancer, breast cancer, and more;
6. The volatile oil in onions can enhance libido, and regular consumption by the elderly can improve the quality of their sex life;
7. Onions can increase the bone density of experimental mice, and regular consumption can prevent osteoporosis;
8. Onions are rich in Vitamin C and niacin, which can promote the formation of intercellular substance and the repair of damaged cells, making the skin smooth, ruddy, and elastic, thus having a beautifying effect. The sulfur, Vitamin E, etc., it contains can prevent the formation of lipofuscin pigment from unsaturated fatty acids, which can prevent age spots. In addition, onions contain antibacterial and anti-inflammatory substances, and eating onions can prevent and treat enteritis and dysentery.
Cool onions