Maintain cardiovascular health
Onions are the only vegetables known to contain prostaglandin A. Prostaglandin A can dilate blood vessels and reduce blood viscosity, thus lowering blood pressure and increasing the blood flow of coronary arteries to prevent thrombosis. Quercetin, which is abundant in Onions, is highly bioavailable. Scientists reported that quercetin may help prevent the oxidation of low-density lipoprotein (LDL) and provide important protection against atherosclerosis.
Stimulates appetite and AIDS digestion
Onion contains alliin, has a strong aroma, processing because of the pungent smell and often make people cry. It is this special smell can stimulate the secretion of gastric acid, increase appetite. Animal experiments have also proved that onion can improve gastrointestinal tension, promote gastrointestinal peristalsis, so as to play an appetizing role, to atrophic gastritis, stomach power, dyspepsia caused by anorexia has obvious effect.
Sterilization, cold resistance
Onion contains plant bactericidal element such as garlic, has a strong bactericidal ability, can effectively resist influenza virus, prevent cold. When this kind of plant bactericidal element passes respiratory tract, urinary tract, sweat gland eduction, can stimulate the cellular conduit wall of these position to secrete, have dispel phlegm, diuresis again so, sweat and the action such as antiseptic.
Onion is a good prevention of "diseases of affluence"
Used for headache, nasal congestion, body weight, aversion to cold, fever and no sweat caused by external wind chill. Coca-Cola 500ml, add onion 100g shred, ginger 50g shred, a small amount of brown sugar, slow boil for 5min, drink hot.
In recent years, it has been found that in addition, onion can effectively prevent "disease of affluence". Onion contains yellow urine butyric acid, which can make cells make better use of sugar, thus reducing blood sugar.