The star fruit is the fruit of the Carambola tree, known botanically as Averrhoa carambola. The cross section of this fruit resembles a five-pointed star, hence its name. The Carambola tree is native to the Philippines, although it is cultivated throughout the tropics. Like most fruit, the star fruit is high in sugar and vitamin C.
The Fitbit website provides this nutritional information on star fruit. The information assumes a serving size of one fruit, which provides about 5 oz. of edible flesh.
A serving of star fruit has 43 total calories, which is equal to about 2 percent of the daily value for calories, assuming a daily diet of 2,000 calories. Carbohydrates provide about 30 calories in a serving of star fruit, fat accounts for nine calories, and protein makes up the remaining four calories.
Star fruit contains 9.5 g of carbohydrates per serving, including 2.5 g of dietary fiber. This provides 3 percent of the daily value for carbohydrates and 10 percent of the daily value for dietary fiber.
Protein and Fat
A serving of star fruit contains 1 g of protein, which is 2 percent of the daily value. Star fruit also has 1 g of fat, which provides about 2 percent of the daily value. This fat content consists entirely of unsaturated fat. Star fruit has no saturated fat, trans fat or cholesterol.
Vitamins and Minerals
A star fruit has 24 mg of vitamin C, or 40 percent of the daily value for vitamin C. It also has 135 international units of vitamin A, which is 15 percent of the daily value. The iron content in a star fruit is 0.36 mg, or 2 percent of the daily value. Star fruit contains no calcium, potassium or sodium.