BRAZILIAN ROASTED COFFEE OIL OBTAINED BY MECHANICAL EXPELLING: COMPOSITIONAL ANALYSIS BY GC-MS
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Sociedade Brasileira de Ciência e Tecnologia de Alimentos
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A preliminary analysis by GC-MS comparing the mass spectrum of the compounds with the Wiley 275 L mass spectral data base was used to identify the fatty acids and mainly, some volatile compounds responsible for the flavor of the roasted coffee oil. The oil was obtained by mechanical expelling of Brazilian beans (Coffea arabica) roasted at 238o C for 10 minutes. Different sample preparation methodologies such as headspace, adsorbent suction trapping and esterification were used. It was possible to identify pyrazines, pyridines, furan derivatives and other compounds not reported in the literature.
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