8PIERLUIGI D, ALl R F, JOHN K G K, et al. Evaluation of highly polar ionic liquid gas chromatographic column for the determination of the fatty acids in milk fat[J]. Journal of Chromatography A, 2012, 1233: 137-146.
9XIE Lijuan, YE Xingqian, LIU Donghong, et al. Prediction of titratable acidity, malic acid, and citric acid in bayberry fruit by near- infrared spectroscopy[J]. Food Research International, 2011, 44(7): 2198-2204.
10FARKAS O, ZENKEVICH I G, STOUT F, et al. Prediction of retention indices for identification of fatty acid methyl esters[J].Journal of Chromatography A, 2008, 1198/1199: 188-195.