1, the temperature of lemonade should be neither too cold nor too hot, and the water temperature should be 20-70 degrees. Lemons with too low temperature can't be brewed completely, and the taste will be lighter. If the hot water is too sour, it can be cooled before drinking. Don't worry that hot water will wash away the vitamins. No problem, it has good heat resistance in acidic substances.

Some people think that citric acid and calcium meet to form stones, which is unscientific. On the contrary, the organic acids in citric acid can help the absorption and utilization of minerals such as calcium, magnesium and iron in food, which has a good defense effect on kidney calculi.

3, people with stomach problems can also drink lemonade, but can not directly drink high-purity lemon juice, too sour, and the acid value of lemonade has been greatly reduced, will not affect the health of the stomach, but also help digestion and eat more.

Note: Citric acid can help the absorption of minerals, so you can drop lemon juice on food when eating.