Rice, is a kind of cereal well-known to the Thais and to all of Asia as a staple food for centuries, has played an essential role in nutrition and to the health of people worldwide. Over half the world population, especially the Asians, consume rice as their major source of dietary intake. It can be said that rice is the product originated from the endeavour and the industrious aspects of the Thai people. Rice has been the bloodstream, nourishing Thailand from the past and into the future. In addition to this, rice has also inherited the nations' valuable legends, passing from generation to generation. Therefore all the Thai people have always realized the values of rice.