"Unrefined grains" refers to grains that have not been stripped of their natural outer layer, which contains beneficial nutrients like fiber, vitamins, and minerals. These include whole wheat, brown rice, and oats. Full definition
The end result is almost identical to my nana's pie, but with unrefined grains, bursts of lemon flavor, and way less sugar. (simplenaturalnutrition.com)
If you are consuming whole, unrefined grains there is no need for enrichment. (prettylittleapron.com)
The Mayo Clinic notes that whole - wheat breads contain unrefined grains that haven't had their nutrient - rich bran or germ layer removed through milling. (healthyeating.sfgate.com)