Rice is very nutritious and is one of the main foods for our people. Taking japonica rice as an example, every 100 grams of japonica rice contains 6.7 grams of protein (protein food), 0.9 grams of fat, 77.6 grams of carbohydrates, 0.3 grams of crude fiber, 7 mg of calcium (calcium food), 136 mg of phosphorus, iron (iron) Food) 2.3 mg, vitamin B1 0.16 mg, vitamin (vitamin food) B2 0.05 mg, niacin 1 mg and methionine 125 mg, valine 394 mg, leucine 610 mg, isoleucine 251 mg, threonine 280 mg, phenylalanine 394 mg, tryptophan 122 mg, lysine 255 mg and other nutrients.