Dragon fruit is the fruit of several species of cactus in the genus Hylocereus. These species are native to Central and South America, and they're also cultivated in Asia. Three of these species are commercially important, although the nutritional information is substantially the same for all species. Dragon fruit is only mildly sweet and is low in calories.
Serving Size
This nutritional information applies to the raw flesh of a single dragon fruit. A whole fruit typically weighs 100 grams, or about 3.6 ounces. However, the edible portion typically comprises only 2 ounces of this total. This nutritional information also assumes that you chew the seeds in the dragon fruit in order to digest them.
Calories
A serving of dragon fruit provides 60 calories, which is 3 percent of the daily value (DV) for calories. This assumes a daily diet of 2,000 calories. Carbohydrates provide 42 calories, protein contributes 8 calories and fat accounts for the remaining 10 calories.
Carbohydrates
A serving of dragon fruit contains a total of 9 grams of carbohydrates, which includes 8 grams of sugar and 1 gram of dietary fiber. A serving of dragon fruit provides 3 percent of the DV for total carbohydrates and 4 percent of the DV for dietary fiber. A serving of dragon fruit doesn't contain any complex carbohydrates.
Fat
A serving of dragon fruit has 1.5 grams of fat, which is about 2 percent of the DV for total fat. Dragon fruit doesn't contain any saturated fat, trans fat or cholesterol. A serving of dragon fruit also has 2 grams of protein, which is 4 percent of the DV for protein.
Vitamins and Minerals
A serving of dragon fruit has 60 milligrams of sodium, which is about 3 percent of the DV for sodium. It also contains 8 percent of the DV for iron. The vitamin C content of dragon fruit can vary significantly, but a typical fruit provides about 10 percent of the DV for vitamin C. The vitamin C content can reach 25 percent for dragon fruit with very red skin.
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