Vitamins contained in oranges include vitamin C, folic acid, and vitamin A, with vitamin C being the highest. As a common fruit in daily life, oranges are rich in vitamins such as vitamin C, vitamin A and folic acid. Among them, the content of vitamin C can be up to 33 mg/100 g. Therefore, oranges can be used as a daily food source of vitamin C. In addition to this, oranges are also rich in carbohydrates, which can be up to 11.1 g/100 g. Moderate consumption of oranges can also provide energy for the body. However, because of the low protein content in oranges, it is recommended to consume oranges with some high-quality protein-rich foods such as beef, fish, etc., to ensure a comprehensive and balanced intake of nutrients.