The efficacy and effects of onions and contraindications

Onions, also known as scallions, are a highly recommended vegetable by many gourmets for health. The onion is known as the "queen of vegetables" and has excellent medicinal and food properties. This article will introduce you to the effects and contraindications of onions.

Benefit cardiovascular health

The cyclic allicin contained in onions is an effective component in lowering blood lipids, so onions are considered to be a good medicine against atherosclerosis. The onion contains prostaglandins, a strong vasodilator and softening agent, can reduce the resistance of blood vessels and coronary arteries of the heart, can promote the excretion of sodium, thereby reducing blood pressure, is a good vegetable remedy for patients with hypertension. Onions help cells to use glucose more efficiently, effectively preventing diabetes.

Expectorant and diuretic

The phytochemicals in onions have an expectorant and diuretic effect, and are used to prevent colds and antibacterial and antiseptic effects; the quercetin contained in onions, induced by flavonols in the human body, can form a medicinal glycoside, which has a strong diuretic effect and can be used to assist in the treatment of edema caused by nephritis and other diseases.

Refreshing and healthy

Allicin in onion can stimulate the lacrimal gland to secrete tears, and also has a good refreshing effect, which can promote metabolism, enhance physical strength, eliminate fatigue, improve concentration, and promote the effectiveness of brain activation.

Anti-cancer and anti-cancer

Onion contains one of the most effective natural anti-cancer substances glutathione, when this component increases in the human body, the chance of cancer will be seen, it can control the growth of cancer cells, with cancer prevention and anti-cancer effect.

Prevention of cerebral thrombosis

Onions contain some active ingredients that activate hemolysis fibrinogen, which can play a role in preventing platelet coagulation, thus preventing the formation of cerebral thrombosis.

Promote digestion

Onions contain onion allicin and volatile oil, which have the effect of stimulating the secretion of the digestive glands, from playing a stomach and promote digestion.

Repair damaged cells

The vitamins contained in onion can enhance the body's ability to repair damaged cells, and onion also has an antiseptic and anti-inflammatory effect, which can effectively kill staphylococcus, streptococcus, dysentery bacillus and diphtheria bacillus, thus keeping the body healthy.

Prevention of age spots

Onions contain nutrients such as sulfur and essential vitamins that help remove age spots and delay skin aging; in addition, onions contain more cysteine, an anti-aging substance that can delay cellular aging and prolong life.

Prevention of intestinal infections

Onions contain phytocide with a special aroma, which has antibacterial and antiseptic effects. Eating more onions in summer is very beneficial, as it can prevent gastrointestinal infections.

Contraindications

People with pruritic diseases, eye diseases, and eye congestion should eat less onions, and people in general should not eat them in excess.