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AACC Approved Methods of Analysis, 11th Edition - AACC Method 30-25.01. Crude Fat in Wheat, Corn, and Soy Flour, Feeds, and Mixed Feeds

AACC Approved Methods of Analysis, 11th Edition

Crude Fat

AACC Method 30-25.01
Crude Fat in Wheat, Corn, and Soy Flour, Feeds, and Mixed Feeds

VIEW METHOD

Objective
Dried sample is exhaustively extracted by Soxhlet or continuous (Goldfisch) extraction, utilizing petroleum ether as solvent. Solvent is evaporated, and residue is dried to constant weight at 100°. Residue is expressed as % crude fat or ether extract. This method is applicable to flours of grains (wheat, corn, soybean, etc.) and mixed feeds that have not been heat-treated, baked, or expanded.