Ketchup is a sauce-like concentrated product of fresh tomatoes. It is a bright red sauce body with a unique flavor of tomato. It is a distinctive condiment. It is generally not directly accessible. Ketchup is made by crushing, beating, and removing rough and hard substances such as skin and seeds from mature red tomatoes, and is then concentrated, canned, and sterilized. Ketchup is often used as a seasoning for fish, meat, and other foods. It is a seasoning tonic, add acid, help fresh, Yuxiang flavor. The use of ketchup is an important seasoning for Hong Kong and Guangdong cuisine.
In addition to lycopene, tomato sauce contains B vitamins, dietary fiber, minerals, protein, and natural pectin. Compared with fresh tomatoes, the nutrients in tomato sauce are more easily absorbed by the body.