Brown rice is rich in fiber compared to white. And since it undergoes less processing, many micronutrients are also present in good amount. And the important factor is the Glycemic Index. Brown rice has less Glycemic Index than white rice and thus very beneficial for the ones suffering from diabetes. Also brown rice provides Phytochemicals like Oryzanol that is good for health. When brown rice is parboiled, it retains certain vitamins and iron which are usually lost in rice milling of white rice.