Abstract
Abstract A detergent solution, 2% igepal CO 630, was compared with the AOAC-approved 2% sodium lauryl sulfate in the extraneous materials analysis of chocolate liquor. Thirty-two liquor samples were analyzed by one technician using both detergent solutions. No appreciable difference was noted between insect fragment and rodent hair counts obtained with the 2 detergent solutions. Igepal costs less and its use results in fewer filter papers to read. A wide range of insect fragment and rodent hair contamination should be studied with this reagent.
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