Assay on the Harmful Volatile Components of the Refined Waste Edible Oil Gained from the Restaurant Sewer by Static Headspace and Gas Chromatography/Mass Spectrometry

Abstract

Abstract: The refined oil gained from the waste edible oil sewer collected from the waste edible oil pool of restaurants wasconducted by a series of refining methods. For being used repeatedly many times and influenced by the complex environmentalconditions, the refined oil would deteriorate or be introduced with some harmful component. If unlawfully sold in the edible oilmarket, it would do much harm to human health. This paper described a qualitative assay method of the volatile compounds ofthe refined edible oil gained from the sewer by static headspace and gas chromatography/mass spectrometry. Alarge amount ofalkane, from n-C9 to n-C14, and the second grade production of the deteriorated oil hexanal were identified in this experiment.

Key words: static headspace, GC-MS, waste edible oil, oil gained from the sewer, volatile compound

QUAN Chang-Chun, YIN Ping-He, ZHAO Ling, DAN Xi-Zhang, ZHANG Xuan, YU Han-Hao. Assay on the Harmful Volatile Components of the Refined Waste Edible Oil Gained from the Restaurant Sewer by Static Headspace and Gas Chromatography/Mass Spectrometry[J]. FOOD SCIENCE, 2004, 25(4): 128-134.

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Assay on the Harmful Volatile Components of the Refined Waste Edible Oil Gained from the Restaurant Sewer by Static Headspace and Gas Chromatography/Mass Spectrometry

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