Assertion: cellulose | /r/AtLocation | the outside of all grains
Facets:
Source sentences:
text: In addition to the five food substances that are found in all cereals, there is always present another material known as cellulose, which, as is pointed out elsewhere, is an indigestible material that occurs on the outside of all grains, as the bran covering, and covers the starch granules throughout the inside of the grain.