Study on Determination of 2-Dodecyclcobutanoes with Gas Chromatography-Mass Spectrometry(GC-MS) in Irradiated Foods Containing Fat

Abstract

Abstract: In this study,the theory and method of detecting 2-dodecylcyclobutanone with GC-MS in irradiated foods containing fat were introduced in detail. The choice of detection method,the stability of reference material,detection limit,precision and method recovery were studied particularly. The effect of storage duration and irradiated dose on the concentration of 2-dodecylcyclobutanone were also investigated. The results showed that the veriety coeffcient of precise is less than 2.6,with the absolute difference of less than 14%,the spikede recovery ranges from 84.0% to 113.0%,the linear range id between 0.01 and 0.5μg/ml,the regression coefficient is 0.9996,and the detection ilmit is 10μg/kg.

Key words: irradiation, irradiated foods containing fat, analysis method, 2-dodecylcyclobutanone

CHENG Jing, LU Ye-Ju, ZHAO Cheng-Shi, SHU Yong, WANG Cai-Xia. Study on Determination of 2-Dodecyclcobutanoes with Gas Chromatography-Mass Spectrometry(GC-MS) in Irradiated Foods Containing Fat[J]. FOOD SCIENCE, 2008, 29(12): 627-631.

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Study on Determination of 2-Dodecyclcobutanoes with Gas Chromatography-Mass Spectrometry(GC-MS) in Irradiated Foods Containing Fat

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