1. Fat extraction and dosing
The purpose of fat extraction is twofold:
fat dosage ;
analysis of extracted fat.
It must therefore be total and not alter the nature of the fat.
1.1 Gravimetric methods
1.1.1 Direct solvent extraction
In some cases, for wet products, it is necessary to remove the aqueous phase prior to extraction, either by oven drying or by drying on anhydrous sodium sulfate Na2SO4.
The solvents or solvent mixtures most often used are :
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Fat extraction and dosing
Determining physical characteristics
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