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AACC International Approved Methods - AACC Method 28-22.02. Cracking-Flotation Test for Internal Insects in Whole Grains

AACC International Approved Methods

Extraneous Matter

AACCI Method 28-22.02
Cracking-Flotation Test for Internal Insects in Whole Grains

VIEW METHOD

Objective
Insects inside grains are difficult to remove by mill cleaning and thus become ground and incorporated into finished product. In this method, surface insects are removed from grain by brushing prior to cracking and release of internal insects. Subsequently, cracked grains are extracted and filtered, and internal insects are removed and evaluated. It is desired to recover whole insects, or equivalents. The method is applicable to whole grains, including cereals, unpopped popcorn, and dried peas and beans.