Table 3.

Nutrient Content of One Medium Okinawan Sweet Potato^a

	Macronutrients	%DV b
Calories	251 kcal	13
Total Carbohydrate	61 g	20
Dietary Fiber	6 g	24
Total Fat	0 g
Protein	1 g	2
Micronutrients and other Constituents c
Vitamin A	1643 RE	100 c
Vitamin C	34 mg
Thiamin	0.2 mg	13
Riboflavin	0.07 mg	12
Niacin	0.97 mg	5
Vitamin B6	0.5 mg	25
Calcium	58 mg	6
Iron	1 mg	6
Magnesium	29 mg	7
Phosphorus	55 mg	6
Potassium	812 mg	23
Other
GI d	34 ± 2.3
GL e	11

^aNutrient data source other than GI & GL: University of Hawaii’s http://hawaiifoods.hawaii.edu/index.asp. Percent Daily Values (%DV) are for adults or children aged 4 or older, and are based on a 2,000 calorie reference diet.

^bDV = Daily Value

^c5000 IU calculated into 1650 RE with methods provided by UMIN Nutrition Coordinating Center

^dAllen, J et al. The Open Nutrition Journal 2012:6:1–11.

^eGL calculated as GI/100 × grams available carbohydrate (total carb – fiber) per serving.