Soaking fresh lemon in water is a beauty product, because it is rich in vitamins, which can prevent and eliminate skin pigmentation and play a whitening role; Drinking lemonade can also prevent and treat cardiovascular diseases, because lemonade can alleviate the role of calcium ions in promoting blood coagulation, so it can prevent and assist in the treatment of hypertension and myocardial infarction; Lemon water contains a lot of citrate, which can inhibit the crystallization of calcium salt, thus preventing the formation of kidney calculi, and even reducing the number of stones in some patients with chronic kidney calculi. The research results published at the annual meeting of the American Urological Society also show that drinking lemon juice can increase the level of citrate in urine, and citrate can prevent minerals in urine from forming crystals in the kidneys, that is, kidney calculi. Lemon is rich in vitamin C, which has many functions, such as anti-bacteria, improving immunity and assisting the formation of bone collagen. Drinking lemonade regularly can supplement vitamin C. Drinking 500 to 1000 ml of lemonade every day can reduce runny nose when you have a cold, and the cold will spread quickly, especially when you have just caught a cold, and you can recover without taking medicine. In addition to resisting bacteria and enhancing immunity, it also has the effects of stimulating appetite, promoting digestion, promoting fluid production and quenching thirst, and relieving summer heat. What is even less well known is that lemon can also expectorate, and the expectorant effect is stronger than that of oranges and citrus. Add warm water and salt to lemon juice, drink it and cough up the thick phlegm accumulated in your throat. At the beginning of a cold, you may wish to wash it with lemon and honey, which can relieve sore throat and reduce discomfort such as dry throat. Slice the lemon and soak it in water. It is best to use warm water when soaking, which helps to preserve more nutrients in lemons. Of course, you can also add lemon slices when drinking black tea and drinks. It is worth noting that even the best food can't be eaten recklessly. Lemon is no exception. Many women drink a lot of lemonade every day for beauty, which hurts their stomachs. So drink lemonade in moderation, not more than 1000 ml per day. In addition, because the pH value of lemon is as low as 2.5, people with hyperacidity and gastric ulcer should not drink lemonade. Sweet and sour slimming According to research, lemon is a fruit with high nutritional and medicinal value. Besides sugar, the most important nutrients are calcium, phosphorus, iron, vitamin B 1, vitamin B2, vitamin C and nicotinic acid. The reason why it tastes more sour and bitter than other oranges is that the organic acid content is as high as 6.4%, which is ten times higher than oranges, oranges and other fruits. In addition, it is rich in nutrients such as flavonoids, volatile oil and hesperidin. Traditional Chinese medicine believes that lemon has the effects of "promoting fluid production to quench thirst, regulating stomach to reduce adverse reactions, resolving phlegm and relieving cough". When your stomach is not harmonious or you don't feel well and don't want to eat, eating some lemons can relieve you to some extent. Modern nutrition believes that lemon has high medicinal value. For women who love beauty, the first is a very effective diet food. Drinking some water soaked in fresh lemons after meals is very helpful for digestion. However, people with hyperacidity should not drink it. Secondly, lemon can prevent and reduce the complications of diabetes. This is mainly because it contains a special ingredient, namely erioside. Experiments show that it can greatly reduce the content of overacid fat in liver, kidney and blood of diabetic patients. Lemon is also a food to prevent cardiovascular diseases. Patients with hypertension and myocardial infarction often drink lemon drinks, which is of great benefit to improving symptoms. In the way of eating, cut the lemon into thin slices and soak it in water, which will have a faint fragrance and make people refreshed. If you are interested, you can learn from the British. When drinking black tea, add two or three slices of lemon to make the tea taste more fragrant. In addition, you can put a slice of lemon in various drinks, such as soda, and even use it to make some lemon sauce, which is also a healthy and delicious way to eat.