Vinegar has a good effect on human body, but if anything is overdone, it will definitely have some negative effects. The suitable dosage of vinegar is 5 ~ 20ml each time, which is a fermented sour liquid condiment. It is made of starch grains (sorghum, yellow rice, glutinous rice, indica rice, etc.). ) as the main material, rice bran and rice husk as the auxiliary materials. Vinegar is one of the main condiments in cooking, which is mainly sour and fragrant, and has a wide range of uses. It is the main raw material of sweet and sour taste. It can remove fishy smell and relieve boredom, increase umami and fragrance, reduce the loss of vitamin C during food heating, and dissolve calcium in cooking materials, which is beneficial to human absorption. The famous varieties are fragrant vinegar from Zhenjiang, Jiangsu and mature vinegar from Shanxi. , often used to slip vegetables, mixed vegetables, heavy dishes. Because of different raw materials and production methods, vinegar can be divided into fermented vinegar and synthetic vinegar, and its main varieties are rice vinegar, smoked vinegar and white vinegar. The main raw materials of rice vinegar are sorghum, yellow rice, bran, rice bran and salt, which are fermented by vinegar koji. It is light brown, rich in fragrance and good in quality, suitable for dipping and cooking. The raw materials of smoked vinegar are basically the same as rice vinegar except yellow rice. After fermentation, smoke with a little pepper and cinnamon. Dark color, should be stored for a long time. Suitable for dipping and cooking. White vinegar (also known as vinegar essence) is diluted with glacial acetic acid and water. The content of acetic acid is higher than that of rice vinegar, which is sour and tasteless. Concentrated acetic acid has a certain corrosive effect, and the dosage should be diluted and controlled according to the needs. Adding vinegar to cooking can not only make the dishes crisp and delicious, but also protect the nutrients in them. However, people who are taking certain drugs, such as sulfonamides, alkaline drugs, antibiotics and traditional Chinese medicine for relieving symptoms and sweating, should not be jealous. According to the analysis of nutritionists in related populations, the general population can eat spleen and stomach dryness and dampness, and the first onset of exogenous diseases is taboo; People with gastric ulcer and hyperacidity should not be jealous. Nutritional analysis 1. Vinegar can stimulate appetite, promote the secretion of saliva and gastric juice, help digestion and absorption, make appetite strong and promote digestion and accumulation; 2. Vinegar has good bacteriostatic and bactericidal effects, and can effectively prevent intestinal diseases, influenza and respiratory diseases; 3. vinegar can soften blood vessels and lower cholesterol, which is a good prescription for patients with cardiovascular and cerebrovascular diseases such as hypertension; 4. Vinegar can protect skin and hair well. In the ancient medicine of China, there was a record that vinegar was used as medicine. It was believed that vinegar had the effects of promoting hair growth, beautifying, lowering blood pressure and losing weight. 5. Vinegar can eliminate fatigue, promote sleep, and relieve discomfort symptoms of motion sickness and seasickness; 6. Vinegar can also reduce the alcohol concentration in gastrointestinal tract and blood, and play the role of sobering up; 7. Vinegar can also soften chicken bones and shark fins and promote the absorption of calcium. Guidelines for the production of food phase grams 1. Rinse your mouth in time to protect your teeth after eating vinegar-dipped jiaozi dishes or being jealous; 2. When cooking, the best time to add vinegar is at both ends, that is, add vinegar immediately after the raw materials are put into the pot, and add vinegar before the dishes are put out of the pot, the first time should be more, and the second time should be less; 3. Vinegar can be used for raw materials that need to be deodorized and greasy, such as cooking aquatic products or stomach, intestine and heart. , can eliminate the fishy smell and peculiar smell, and some raw materials with heavy fishy smell can also be impregnated with vinegar in advance; 4. Vinegar is used to cook raw materials with bones, such as ribs and fish, which can soften bone spurs, promote the dissolution of minerals such as calcium and phosphorus in bones and increase nutrients. The therapeutic effect of vinegar is sour, bitter and warm, and enters the liver and stomach; Has the effects of removing blood stasis, stopping bleeding, detoxicating and killing insects; Indications: Postpartum dizziness, jaundice, yellow sweat, hematemesis, epistaxis, hematochezia, carbuncle swelling and pain.