Maximum calorie per 100 gram is obtained from . . . . . . . . vegetable.

The maximum calorie per 100 grams is obtained from sweet potato vegetables.
It contains 86 calories in 100 gms raw sweet potatoes.
A medium-sized sweet potato (boiled without the skin) contains 27 grams of carbs. Sweet potatoes have a medium to high Glycemic index (GI), varying from 44 - 96. Sweet potatoes are one of the best sources of vitamin A, beta carotene, vitamin C and potassium.