Generally by the food composition table can be found, can also be used to measure the heater for accurate measurement, the sample will be measured into the heater combustion chamber complete combustion, water absorption of all the energy released. A milliliter of water at atmospheric pressure to rise one degree, need to absorb 4.187 joules, record the water mass and water temperature changes, corresponding to the conversion of boiled corn and rice calories are almost the same, relatively speaking, corn calories a little lower.

Calories of corn

86 calories/100g

Each 100 grams of corn contains 19.02 grams of carbohydrates, 1.18 grams of fat, 3.22 grams of protein, 2.7 grams of fiber.

Calories of rice

116 calories/100g

Each 100 grams of rice contains 25.86 grams of carbohydrates, 0.33 grams of fat, 2.6 grams of protein, 0.3 grams of fiber, 25 milligrams of potassium and 147 milligrams of sodium.