Grapefruit, grapefruit, yellow fruit, delicious, that is, "Zhuluan", also known as "grapefruit", the skin is light yellow, the pulp color is similar to Shatian pomelo, with sour and sweet taste. When ripe, the skin is yellow and the flesh is red and white. Grapefruit should be the same weight, and the fruiting body should be shiny, thin and soft. Grapefruit is rich in vitamin C, and it is a fruit with less sugar, so it is indispensable on the menu of dieters.