Which is an example of a whole grain?

Brown rice is an excellent example of a whole grain because it retains the bran and germ layers of the grain, which are removed in the processing of white rice. These layers contain important nutrients, including fiber, vitamins, and minerals, that contribute to the health benefits associated with whole grains. Whole grains are known for their ability to reduce the risk of chronic diseases and aid in digestion due to their high fiber content.

On the other hand, white rice has been milled and polished, resulting in the loss of these nutrient-rich layers, and is therefore not classified as a whole grain. Barley flour can be a whole grain depending on its processing, but it is often refined, and potato, while nutritious, is not a grain at all, making it irrelevant to the classification of whole grains. Brown rice stands out as a clear and simple example of a whole grain food item.