Onions are rich in allicin, thiols, trisulfides, etc. Contains caffeic acid, sinapic acid, cinnamic acid, citrate, polysaccharide and various amino acids. The tear-causing component of onions is cycloaliin. Modern medical research also shows that onions contain trace elements selenium. Selenium is an antioxidant. Its special function is to make the human body produce a large amount of glutathione. The physiological function of glutathione is to transport oxygen for cell respiration. The increase of selenium content in the human body will greatly reduce the incidence of cancer. Therefore, onion is a health food.
Onion extract is also rich in allicin, vitamins, sugar and various inorganic salts, and also contains trace element selenium, while selenium is a strong antioxidant, which can eliminate free radicals in the body and improve cell vitality and metabolism. Onion extract also contains a certain amount of calcium, which can help the human body improve bone density and has a good effect on the prevention and treatment of osteoporosis. Allicin in onion extract has a strong bactericidal ability to prevent colds, its bactericidal and anti-inflammatory effect can also promote wound healing, and has a certain therapeutic effect on recurrent oral ulcers. Onion extract can stimulate the secretion of gastrointestinal tract, increase appetite, promote digestion, can inhibit the increase of blood lipids caused by high-fat diet, and can reduce the content of cholesterol in the blood. The refreshing effect in onion extract also helps cells make better use of glucose, which is great for lowering blood sugar.
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