Rice is a cereal grain that is consumed by a vast population globally.

Leading rice producing countries in the world today are China, India and Indonesia. Rice was introduced by China and South Asian countries. The topmost rice exporting countries at the moment are India, Thailand and Vietnam.

Rice comes with more than 40,000 varieties with different sizes, shapes, texture, aroma, and colors from different countries. Different types of rice that can be seen in the market are white, brown, rose, black pearl, noodle, red yeast, wild and jasmine and sushi rice. These varieties could be long grain, medium grain, and short grain. Rice contains high amount of carbohydrates and protein.

Rice crop usually reaches maturity at around 105–150 days and harvesting involve cutting, stacking, threshing, handling, cleaning. Good harvesting methods could help maximize grain yield and minimize grain damage and deterioration.

The by-product foods that are primarily made out of rice are Rice Vinegar, Rice Noodles, Rice Bread, Rice Milk and Sake. These products contain many nutrients and millions of people consume it.