The difference between eating onions raw and cooked is not very big, raw and cooked can play a role in lowering blood pressure, lowering blood lipids to reduce blood viscosity, promote appetite, treatment of indigestion and other effects.

Onion is a very common cheap home cooking. Its flesh is tender, juicy spicy flavor light, good quality, suitable for raw food. Native to western Asia, cultivated throughout China and available in all seasons. Onion can remove oxygen free radicals in the body, enhance the metabolic capacity, anti-aging, prevention of osteoporosis, is suitable for middle-aged and elderly health food.

Onions are rich in nutrients, not only rich in potassium, vitamin C, folic acid, zinc, selenium, and fiber and other nutrients, but also two special nutrients - quercetin and prostaglandin A. Onions contain prostaglandin A, which reduces peripheral vascular resistance, reduces blood viscosity, can be used to reduce blood pressure, refresh the mind, relieve stress, and prevent colds.

Expanded information:

The effect of onion:

1, prevent cancer: onion's anti-cancer effect comes from its rich selenium and quercetin. Selenium is an antioxidant that stimulates the body's immune response, thereby inhibiting the division and growth of cancer cells, while also reducing the toxicity of carcinogens. Quercetin, on the other hand, inhibits carcinogenic cell activity and prevents cancer cell growth.

2, the maintenance of cardiovascular health: onion is known to be the only vegetable containing prostaglandin A. Prostaglandin A can dilate blood vessels. Prostaglandin A can dilate blood vessels, reduce blood viscosity, which will produce lower blood pressure, increase coronary blood flow, prevent thrombosis.

Onions are rich in quercetin, which is highly bioavailable, and scientists have reported that quercetin may help to prevent the oxidation of low-density lipoproteins (LDL), which, in the case of atherosclerosis, can provide important protection.

3, stimulate appetite, help digestion: onion contains onion garlic chorine, has a strong aroma, processing due to the pungent odor and often make people cry. It is this special flavor can stimulate gastric acid secretion, enhance appetite. Animal experiments have also proved that onions can improve gastrointestinal tract tension, promote gastrointestinal peristalsis, thus playing the role of appetizing, atrophic gastritis, gastric dynamics, indigestion and other causes of loss of appetite have obvious effects.

4, bactericidal, anti-flu: onions contain phytobactericides such as allicin, has a strong bactericidal ability, can effectively resist the influenza virus, prevent colds. This phytobactericides by the respiratory tract, urinary tract, sweat glands, can stimulate the cell wall secretion of these locations, so there is expectorant, diuretic, sweating and antibacterial antiseptic effect.

Baidu Encyclopedia-Onion