It is good for the elderly to add some vinegar when eating vegetables

　　1. Vinegar can act as a "catalyst". Adding some vinegar when cooking dishes can make the chemical structure of water-soluble vitamins and vitamin C in the food more stable and less likely to be destroyed by cooking, thus protecting the nutrients in the food. In addition, vinegar can also dissolve plant fiber and animal bones. Adding some vinegar when cooking fish, stewing meat, or stewing ribs can dissolve the calcium in it to facilitate the body's absorption and prevent osteoporosis in the elderly.
　　
　　2. From the perspective of traditional Chinese medicine, vinegar is sour, bitter and warm in nature, and has the functions of dispersing silt, detoxifying, and killing insects. It is effective in improving the acidic environment of the stomach and inhibiting the reproduction of harmful bacteria.
　　
　　3. Adding some vinegar when cooking can increase appetite, especially for those with poor appetite. elderly , add some vinegar to cold dishes, which is crisp and refreshing and can increase appetite.
　　
　　4. For those elderly people who have been troubled by high blood pressure all year round, vinegar can be used as a substitute for salt, effectively reducing sodium intake and thus controlling the rise in blood pressure. Moreover, after vinegar is absorbed by the human body, it can promote the decomposition of fat, prevent the deposition of cholesterol substances on the blood vessel walls, and prevent cardiovascular disease in the elderly. disease It also plays a role.
　　
　　Elderly people need to pay special attention to the method of eating vinegar. They should not drink it directly, but should be added to dishes for consumption. Because vinegar is acidic, it can damage the gastric mucosa if not diluted, causing acute gastritis and gastric ulcers, and may even cause massive bleeding in the upper gastrointestinal tract.
　　
　　When cooking carrots and green vegetables, avoid adding vinegar. Because heating will accelerate the chemical reaction between acetic acid and nutrients in vegetables, for example, the carotene content will be reduced, and chlorophyll will also be destroyed under the action of acetic acid.