426 / | HD | FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS |
531 | DF | PRODUCTS PER SE, OR PROCESSES OF PREPARING OR TREATING COMPOSITIONS INVOLVING CHEMICAL REACTION BY ADDITION, COMBINING DIVERSE FOOD MATERIAL, OR PERMANENT ADDITIVE {29} |
615 | DF | .~ Plant material is basic ingredient other than extract, starch or protein {10} |
635 | DF | .~.~ Animal food {1} |
636 | .~.~.~ Grasses or straw |