Onion usually appears as a side dish, but it has high nutritional value. Onion contains protein, carbohydrate, volatile oil, malic acid, calcium, phosphorus, iron, vitamin A, vitamin B 1, vitamin B2, nicotinic acid, vitamin C and 18 amino acids, which is a rare health food.
Eating onions is very effective. In addition to taste, its bulbs and leaves contain special nutrients, which can also help people to be weak and strengthen their physique. Modern medicine has proved that onion is also an alkaline vegetable that people often say. Eating onions regularly can resist diseases and delay aging.
The function of onion: 1, which is beneficial to cardiovascular health.
The cyclic alliin contained in onion is an effective component for reducing blood lipid, so onion is considered as a good medicine for anti-atherosclerosis. Prostaglandin contained in onion is a powerful vasodilator and softener, which can reduce the resistance of blood vessels and coronary arteries, promote the excretion of sodium salts, and thus lower blood pressure. It is a good plant medicine for patients with hypertension. Onions can help cells make more effective use of glucomannan and effectively prevent diabetes.
2, expectorant diuresis
Phytoncide and onion have expectorant, diuretic, sweating, cold prevention, antibacterial and antiseptic effects. Quercus substances contained in onion can be induced by flavonol in human body to form a medicinal glycoside, which has a strong diuretic effect and can be used to treat edema caused by nephritis and other diseases.
3, refreshing fitness
Allicin in onion can stimulate lacrimal gland to secrete tears, and at the same time has a good refreshing effect, which can promote metabolism, enhance physical strength, eliminate fatigue, improve attention and promote brain activation.
4. Anti-cancer
Onion contains one of the most effective natural anticancer substances, glutathione. When this ingredient increases in the human body, the incidence of cancer will be effective. It can control the growth of cancer cells and prevent cancer.
5. Prevent cerebral thrombosis
Onion contains some active ingredients that can activate plasminogen, which can prevent platelet aggregation, thus preventing the formation of cerebral thrombosis.
Step 6 promote digestion
Allicin and volatile oil in onion can stimulate the secretion of digestive gland, strengthen stomach and promote digestion.
7. Repair damaged cells
The vitamins contained in onion can enhance the human body's ability to repair damaged cells. Onion has the functions of sterilization and anti-inflammation, and can effectively kill Staphylococcus, Streptococcus, Shigella and Diphtheria, thus maintaining good health.
8. Prevention of senile plaque
Onion contains essential nutrients such as sulfur and vitamins, which helps to remove facial senile spots and delay skin aging. In addition, onion contains more cysteine, which is an anti-aging substance that can delay cell aging and prolong life.