wholegrain

• whole grain
• whole-grain

whole +‎ grain

wholegrain (plural wholegrains)

1. A cereal grain that contains cereal germ, endosperm, and bran, in contrast to refined grains, which retain only the endosperm.
   • 2009 January 25, By Joanna Hall, “Teen tips for healthy eating”, in Herald Sun‎:

     Best sources lean red meat, poultry, fish, dark green, leafy vegetables and wholegrain cereals.

• wholemeal (adjective)
• whole-wheat (adjective)