SpeedExtractor E-916, Multivapor™: Fat determination of milk powder and infant formula samples without hydrolysis

In the dairy industry, the fat determination and extraction is not only a routine procedure in quality assurance and labelling also it is very important for contaminant determination, as e.g. PCBs, dioxins or pesticides. A procedure for fat determination in milk powder and infant formula samples is introduced. The samples are extracted by applying elevated pressure and temperature with the SpeedExtractor E-916. After drying the extract to a constant weight, the total fat content is determined gravimetrically. The samples are not hydrolyzed prior to the extraction - hence, the process time is reduced and chemicals saved. To validate this approach, fat determination was performed with a prior hydrolysis step.

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