Oat is a cereal grain cultivated for its seed. It is derived from the annual grass known as Avena Sativa. All the different types of oats are basically derived from oat groats which are hulled and cleaned oats.

Avena sativa or oats is a species of cereal grain that is grown for its seed, also known with the same name. Rolled oats are oat groats that are flattened using steel rollers in a mill and then pre-steamed,...