Analysis of the Volatile Compositions in Liquid Milk Product by Gas

Abstract

Abstract: In this paper, in order to analyze the volatile compositions of popular liquid milk product in market of food consume at present, we heated the liquid milk product in medical liquid transfer bottle by using constant temperature bath, and have done chromatographic analysis to top gas. The volatile compositions were speparated perfectly in 5% PEG-20M chromatographic column by using temperature programming, and qualitative test was performed by referencing standard substance. The results showed that the volatile compositions in liquid milk product contained mostly aldehyde, alcohol, isoamyl alcohol, ethyl formate, acetic ether, isobutyl acetate, isoamyl acetate, n-butyl acetate. Those substances have a little differences in different liquid milk products.

Key words: liquid milk product, volatile composition, gas chromatography

YUAN Dong, FU Da-You, ZHANG Li-Ping, WANG Rong, TAN Wen-Yuan. Analysis of the Volatile Compositions in Liquid Milk Product by Gas[J]. FOOD SCIENCE, 2006, 27(12): 651-653.

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Analysis of the Volatile Compositions in Liquid Milk Product by Gas

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