perennial herb. Bulb columnar-conical or sub-terete, solitary or several aggregates, 4-6 cm long,
Synonym jade onion (Dictionary of Botany).
Commonly known as onion. In Europe is known as the "Queen of vegetables", its nutrients, in addition to fat-free, containing protein, sugar, crude fiber and calcium, phosphorus, iron, selenium, carotene, thiamin, riboflavin, niacin, ascorbic acid and other nutrients.
The flavor is pungent and warm.
Attributes to the heart and spleen.
Effects kills worms and removes dampness, warms the middle and eliminates food, transforms meat and eliminates grain, refreshes the spirit and strengthens the body, lowers blood pressure and eliminates blood lipids.
Mainly used for treating cold and pain in the abdomen, indigestion, hypertension, hyperlipidemia and diabetes mellitus.
DescriptionOnions, also known as scallions, are closely related to garlic, having a similar pungent flavor and a similar chemical structure. Onions are virtually fat-free and contain a mixture of sulfide-containing compounds in their essential oils that can lower cholesterol. Onions are reported to be the only plant known to contain prostaglandins, and also contain components that activate hemolytic fibrin activity. These substances are strong vasodilators, which can reduce the resistance of peripheral blood vessels and coronary arteries of the heart, counteract the role of catecholamines and other antihypertensive substances in the body, and promote the excretion of sodium salts, thereby reducing blood pressure. It can be said that onion is high blood fat, hypertension and other cardiovascular patients of good vegetables and good medicine. So onions have been valued since ancient times.
Fresh onion per 100g contains about 88g of water, protein 1.1g, carbohydrates 8.1g, crude fiber 0.9g, fat 0.2g, ash 0.5g, 0.02mg of carotene, vitamin B10.03mg, vitamin B20.02mg, vitamin C8mg, vitamin E0.14mg, potassium 147mg, sodium 4.4mg, calcium 40mg. mg, calcium 40mg and selenium, zinc, copper, iron, magnesium and other trace elements. Onion in addition to general nutrients, but also contains bactericidal diuretic anti-fat antihypertensive anti-cancer and other biologically active substances. Onions in the allicin and a variety of sulfur-containing compounds in a relatively short period of time can kill a variety of bacteria and fungi; onions in some of the bioactive ingredients can promote the body's sodium discharge from the kidneys with diuretic effect; onion oil has the effect of lowering blood lipids; onions in the K-factor (potassium / sodium ratio) is higher (33.42) and contains a can be diastolic vascularization, reduce the peripheral and coronary vascular resistance, the fight against the catecholamine substances. Prostaglandin A1 and present the effect of lowering blood pressure; onion contains methylsulfonylurea has the effect of lowering blood glucose; onion contains high selenium has anti-cancer effect. In recent years, medical clinical and research evidence, onion has a variety of high physiological and medicinal value, in nutritional therapy is respected as a multi-functional lowering of fat, blood pressure and anti-cancer nutritional health food, enjoy the "Queen of vegetables" reputation.
Onion is a set of nutrition, medical and health care in a special vegetable.
Onion nutritional value is very high,
The fat bulb containing sugar 8.5%, 9.2% of the dry matter, per 100 grams of vitamin A5 mg, vitamin C9.3 mg, calcium 40 mg, phosphorus 50 mg, iron 8 mg, and 18 kinds of amino acids, is a rare health food.
Recent medical research also shows that onions contain trace elements of selenium. Selenium is an antioxidant, its special role is to enable the body to produce a large number of glutathione, glutathione's physiological role is to transport oxygen for cellular respiration, selenium content in the body to increase, the incidence of cancer will be greatly reduced. Therefore, the onion is another health food.
Onion also has a hypoglycemic effect, because the onion contains and hypoglycemic drugs methylsulfonylbutane pulse similar to the organic matter, and in the body can generate a strong diuretic effect of the skin bitter pigment. Diabetic patients eat 25 to 50 grams of onions per meal can play a better role in lowering blood sugar and diuretic.
The onion phytocides in addition to stimulate appetite, help digestion, but also because it is discharged through the respiratory tract, urinary tract, sweat glands, can stimulate the pipeline wall secretion, so there is expectorant, diuretic, sweating, prevention of colds and anti-bacterial corrosion effect.
Additionally, there is a "Queen of Vegetables - onions", onions are good for the body, but also to lose weight.