Nectarines are not hot or cold and are a warm fruit. A fresh nectarine contains vitamin C, which is almost enough to meet an adult's needs for a day. Vitamin C not only helps the body absorb iron and maintain the immune system, but also plays an important role in the synthesis of collagen, an essential component of the skin. Nectarines are characterized by firm flesh, pink, yellow and white in color, and are more fragrant than peaches. Nectarines have a slightly higher calorie content than peaches, averaging 36 calories. Nectarines are nutritious, containing 13% sugar, 1.5% organic acid, 1% pectin and 1.1% protein. Each 100 grams of pulp contains vitamin C12, phosphorus 40, calcium 12, iron 0.8, magnesium 14.5.