Lemon is alkaline.
Lemon is an alkaline fruit, which tastes sour and is mistaken for acidic by many people. However, lemon juice will be converted into alkaline substances after entering the human body, so it can be judged that lemon belongs to alkaline substances.
The alkaline substance in lemon can adjust the pH of human body. The pH value of a healthy human body is alkaline, while acidity is unhealthy. Many people adjust the pH value of their bodies by drinking lemonade, and the juice will be decomposed into carbon dioxide and water after entering the body.