AACC Approved Methods of Analysis, 11th Edition

Extraneous Matter

AACC Method 28-80.01
Flotation Method, for Insect and Rodent Filth in Popped Popcorn

VIEW METHOD

Objective
To recover light filth from popcorn. Sample is saturated with water by boiling. Heptane is mixed into sample after boiling and cooling in order to coat unsaturated filth. Filth is isolated by attraction to the heptane phase and extracted by flotation