Damaged grains are those rendered unfit for human consumption and, as regards feed grain, for consumption by cattle, owing to putrefaction, mildew, or bacterial or other causes.
Grains which have dete, riknenud, mädanenud, hallitanud, söestunud, pruunistunud rukki-, nisu- ja odraterad, kõik silmanähtavalt riknenud endospermiga, mille värvus on muutunud pruunist mustani, samuti heledad, kuid kergesti