Nowadays, people worldwide are more aware of agricultural residues in foods. Consumers start to find an alternative way in food purchase. Health and wellness are the new lifestyle status for Asian consumers who are more health-conscious and interested in organic foods. China and India are two of the fastest growing markets for organic foods. Thailand is known as food basket of Asia and kitchen of the world due to an abundance of natural resources, and has increasingly emphasized on organically grown foods. The Thai government has introduce...