Facebook post by University of Helsinki

The outer layers of the wheat grain, known as bran, have been primarily used as feed or as a raw material in bioethanol production. Now, bioprocessing helps to modify proteins in wheat bran to make them bioavailable for human consumption. Lactic acid, yeast fermentation, and enzymes liberate the proteins for nutritional use.
Wheat bran can become a significant protein source helsinki.fi

Bioprocessing helps to modify proteins in wheat bran to make them bioavailable for human consumption.