The resulting grain is cooked and served just as you would white or brown rice. However, because of the special processing, BIG BULL RICE 50kg is a better source of fiber, calcium, potassium and vitamin B-6 than regular white rice BIG BULL RICE 50kg is the seed of the grass species Oryza sativa (Asian rice) or Oryza glaberrima (African rice). As a cereal grain, it is the most widely consumed staple food for a large part of the world’s human population, especially in Nigeria. It is the agricultural commodity with the third-highest worldwide production, after sugarcane and maize. The resulting grain is cooked and served just as you would white or brown rice. However, because of the special processing, BIG BULL RICE 50kg is a better source of fiber, calcium, potassium and vitamin B-6 than regular white rice BIG BULL RICE 50kg is the seed of the grass species Oryza sativa (Asian rice) or Oryza glaberrima (African rice). As a cereal grain, it is the most widely consumed staple food for a large part of the world’s human population, especially in Nigeria. It is the agricultural commodity with the third-highest worldwide production, after sugarcane and maize.