Parboiled rice, also known as converted rice, is a partially precooked rice that has been common is Asian and African countries for a number of years. Parboiling happens when you soak, steam, and dry rice while it's still in its inedible outer husk. This turns the rice inside a slightly yellow hue.IR 64 Parboiled Rice is widely renowned Indian rice variety. ... IR 64 Parboiled Rice is one of the most exported varieties of Long grain rice with average length of 5.8mm to 6.2mm and has in good demand. This rice variety is highly popular in African and Gulf Countries for its good quality and low prices.