8a2cff36_uman_Food___Pet_Food_Institute__Human_Food
[Pet Food] Rules exist for ingredient not defined by AAFCO: Can be recognized by FDA (Code of Federal Regulations, approved food additives, or GRAS) Can be common and usual terms such as "beef”, "chicken” or "corn” [Human Food] 
Ingredients can be recognized by FDA (Code of Federal Regulations, approved food additives, or GRAS)
Pet Food VS Human Food - Pet Food Institute
Human Food