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Mass Spectrometric Analysis of Animals Fats (Analisis beberapa Lemak Hewani dengan Kromatografi Gas Spektrometer Massa)
Fat is not only as an important component of food but also widely used in pharmaceutical preparations. The presence of lard in foods, however, creates a big problem among Moslem consumers. The study was aimed to obtain an analytical method to distinguish lard from other animal fats. Fat was extracted from a blended meat (chicken, cow, goat, pork) with hexane in a soxhlet for 6 hours. The extract was evaporated then esterified using methanol-concentrated sulphuric acid-benzene mixture. The ester was applied to gas chromatography connected to mass spectrometry. In addition, the ester was also analyzed by use of TLC and UV-spectrophotometry.
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