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The chosen validation parameters of method for assessment of aroma compounds in processed cheese analogues
 Burdějová, Lenka ; Horváthová, Viera (referee) ; Vítová, Eva (advisor)
This Bachelor‘s thesis deals with the issues of method validation for assessment of aroma compounds in processed cheese analogues. The method is based on the isolation of volatiles from the sample using Solid Phase Microextraction (SPME) and their subsequent determination by gas chromatography. The theoretical part focuses on general characteristics, classification and producing technology of processed cheese analogues. Further, aroma active substances contained in cheese analogues, differences from the classic processed cheese and processed cheese analogues occurring on the Czech market are mentioned. The methods for determination of aroma active compounds with a focus on Solid Phase Microextraction and gas chromatography are briefly mentioned. Within experimental part of the work the linearity and repeatability of the SPME-GC method were verified and detection limits and limits of quantification of selected standards were determined. Then the method was applied to chosen samples of processed cheese analogues with addition of different types of vegetable fats.
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