2. Lemon is rich in vitamins, which can prevent the deposition of melanin in the skin and decompose melanin in the skin. It is a holy product for beauty and whitening. If you drink it with lemonade, it can also prevent calcium ion coagulation and prevent diseases such as hypertension.
3. Apple is mild in taste, rich in carbohydrates, vitamins and trace elements, including sugars, organic acids, pectin, protein, calcium, phosphorus, potassium, iron, vitamin A, vitamin B, vitamin C and dietary fiber, and also contains malic acid, tartaric acid and carotene, which is the most perfect one among all fruits and vegetables.