Health,  Life

“The Queen of Vegetables” talking about onions

  Onion, also known as bulb onion, onion, jade onion, onion, etc., is a biennial herb of the genus Allium in the family Liliaceae. According to “Lingnan Miscellaneous Notes”, in the 18th century, onions were introduced to Macao from Europe, and then planted in Guangdong. Nowadays, onions are cultivated all over the north and south of our country, and have become a very common and cheap home-cooked dish, which is available in the market all year round. Its meat is crisp and tender, unique in flavor, spicy and sweet, and has high nutritional value. It is known as the “Queen of Vegetables” in some countries and regions, and has good health-care and therapeutic functions.
  |Health care function|
  1. Reduce “wealthy disease”
  ”rich man’s disease” refers to non-infectious epidemic diseases caused by people eating well, eating well, overnutrition, and reduced activity. The common ones are high blood pressure, fatty liver, coronary Heart disease, obesity, hyperlipidemia, etc. Clinical data show that in recent years, “wealthy disease” has become a major disease that endangers the health of Chinese people. The prostaglandin A, quercetin, organic sulfides and many other beneficial ingredients contained in onions are very helpful to prevent or reduce the occurrence and development of “rich man’s disease”.
  2. Maintain cardiovascular health
  Onions contain prostaglandin A. Studies have shown that prostaglandin A can dilate blood vessels, reduce blood viscosity, help lower blood pressure, increase coronary blood flow to a certain extent, help prevent platelet aggregation, and resist thrombosis. In addition, the sulfides in onions can lower cholesterol and triglyceride levels, improve red blood cell function, and are of great benefit in preventing arteriosclerosis. Onions are also rich in flavonoids, which can inhibit the production of low-density lipoproteins to a certain extent and have the effect of protecting the heart.
  3. Stimulate appetite.
  Onions contain sulfides and capsaicin, which have a strong smell, which will make people burst into tears when cutting vegetables. Animal experiments have proved that onions can enhance the tension of the gastrointestinal tract and promote gastrointestinal motility. Therefore, eating onions in some people is beneficial to increase appetite and help digestion.
  4. Sterilization
  Onions contain phytoncide such as allicin. When the bactericidal substances are discharged through the respiratory tract, urinary tract, and sweat glands, they can stimulate the secretion of these duct wall cells, and have the effects of expectorant, diuresis, sweating, antibacterial and antiseptic.
  5. Disease prevention and anti-aging
  Onions are rich in selenium and quercetin. Selenium is a strong antioxidant that can help eliminate free radicals in the body and enhance cell metabolism. Studies have shown that quercetin is one of the natural anticancer substances, which can inhibit the activity of cancer cells under certain conditions.
  |Eating precautions|
  For ordinary people, onions are mostly used for frying. However, onions are also good raw, cold, or with other foods. Onions are edible for the general population, especially suitable for diabetics, patients with cardiovascular diseases such as hypertension, hyperlipidemia, atherosclerosis, and obese patients. However, those who suffer from fever, skin disease, eye disease and stomach disease in the field of traditional Chinese medicine should eat less or temporarily stop eating to prevent the aggravation of the disease and affect the recovery. Pay attention to the following points when eating onions:
  1. Onions contain heat-labile organic components. Do not heat them at high temperature for too long when cooking, otherwise the health value will be reduced.
  2. Onions are pungent and warm foods. It is not advisable to eat too much at one time, so as not to cause symptoms of “burning” such as eye discomfort.
  3. Onions are easy to produce volatile gas, excessive consumption will lead to increased flatulence and exhaust, which will cause discomfort to people.
  4. Onion contains oxalic acid, so it should not be eaten with kelp, shrimp skin, crayfish and soy products, otherwise it will affect the utilization rate of protein in these foods, and it will also combine with calcium in these foods to form calcium oxalate, which is difficult to absorb, reducing the nutritional value. Big discount.
  |Therapeutic Recipes|
  1. Fried onions
  Ingredients : 2 onions, cooking oil, salt, soy sauce, mature vinegar, and a little sugar.
  Production: Onion cut into thin strips. After the pan is hot, put an appropriate amount of cooking oil, pour in the shredded onion and stir-fry. When the onion is cooked, add a little salt, soy sauce, mature vinegar, and sugar to taste, and serve with meals.
  Efficacy: invigorating the stomach and regulating qi, reducing blood pressure and fat, especially suitable for patients with hypertension and hyperlipidemia.
  2. Onion pickles
  Ingredients : 4 onions, 150 grams of salt.
  Production: Cut the onion into pieces, add salt to the kimchi jar, pickle for 2 to 4 days (1 to 2 days in summer), the taste is sweet and sour and slightly spicy. Eat in moderation, about half an onion each time.
  Efficacy: Nourishing the spleen and strengthening the stomach, digestion and accumulation, especially suitable for patients with indigestion and lack of appetite.
  3. Onion syrup
  Ingredients : 2 onions, 100 grams of brown sugar, appropriate amount of water.
  Production: mash the onion, soak it in an appropriate amount of warm water for 2 hours, take the juice and add brown sugar to make onion syrup. Serve 3 to 4 times a day, 10 to 15 ml each time.
  Efficacy: Sterilizes and relieves dysentery, slows down and relieves pain, especially suitable for patients with enteritis and diarrhea.
  4. Onion and ginger tea
  Ingredients : 100 grams of onion, 50 grams of ginger, a little brown sugar.
  Production: Wash and shred onion and ginger, put them in a casserole with brown sugar, add some water, boil on low heat and cook for 5-10 minutes, take the juice and drink while it is hot.
  Efficacy: Relieves exterior and dispels cold, warms and relieves vomiting, resolves phlegm and relieves cough, especially suitable for patients with exogenous wind-cold, stomach-cold vomiting, cold phlegm and cough.
  5. Fried lean meat with shredded onion and radish
  Ingredients : 100 grams of onion, 100 grams of lean meat, 50 grams of radish, ginger, cooking oil, and a little salt.
  Production: shred onion, lean meat, radish, and ginger. Put oil in a hot pan, add shredded ginger to the pan, stir-fry the shredded meat, add onion shreds and radish shreds, stir-fry, add a little salt, stir-fry over high heat, serve with rice.
  Efficacy: Invigorate the spleen and invigorate the stomach, warm the middle and dispel cold, especially suitable for patients with loss of appetite, upper abdominal discomfort, cold pain in the abdomen, anorexia and vomiting.
  |Purchasing suggestions|
  According to the color of the skin, onions can be divided into three types: white skin, yellow skin and purple skin. Among them, purple skin onions contain slightly more allicin and quercetin, and have better nutritional and health value. White-skinned onions have a lot of juice, less spicy taste and high sweetness, so they are suitable for raw food. When purchasing onions, try to choose high-quality onions with dry, firm skin and no wounds. Storage should pay attention to store it in a cool, dry and ventilated place, and never put it in a place exposed to the sun, damp and closed.

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