SUN Pei,REN Shuo,CHEN Rou-han,et al.Quantitative Determination of Lactulose in Liquid Milk by High Performance Liquid Chromatography with Evaporative Light Scattering Detection[J].Journal of Instrumental Analysis,2021,40(09):1391-1395.
SUN Pei,REN Shuo,CHEN Rou-han,et al.Quantitative Determination of Lactulose in Liquid Milk by High Performance Liquid Chromatography with Evaporative Light Scattering Detection[J].Journal of Instrumental Analysis,2021,40(09):1391-1395. DOI: 10.19969/j.fxcsxb.21010101.
Quantitative Determination of Lactulose in Liquid Milk by High Performance Liquid Chromatography with Evaporative Light Scattering Detection
Lactose and lactulose in liquid milk are isomers with similar retention properties, which makes separation and detection on lactulose by chromatography difficult. At present, although a variety of liquid chromatography detection methods have been reported, there are some problems in the simplicity of the pretreatment, the applicability of the chromatographic column and the stability of the separation effect. A method for the determination of lactulose in liquid milk by high performance liquid chromatography with evaporative light scattering detection(HPLC-ELSD)was developed. The protein was deposited with 0.4 mol/L ammonium acetate(pH 3.8). The sugar analysis column was used for separation, and the evaporative light scattering detector was applied to detection. There was a good linear relationship for lactulose in liquid milk in the range of 1.0-100 mg/L, with a correlation coefficient(,r,2,) of 0.998 0. The detection limit and the quantitative limit were 15 mg/L and 50 mg/L, respectively. The recoveries were in the range of 85.1%-110%, with relative standard deviations(RSDs) not more than 7.5%. The method is simple to operate, and could be completed within 8 min. It could meet the requirements for daily detection of lactulose with good repeatability and high accuracy.
Neves L N D, Marques R, da Silva P H F, de Oliveira M A L. Food Chem., 2018, 258(30): 337-342.
Ritota M, Di Costanzo M G, Mattera M, Manzi P. J. Anal. Methods Chem., 2017, 2017: 1864832.
Cataldi T R I, Angelotti M, Bufo S A. Anal. Chem., 1999, 71(21): 4919-4925.
Morales F J, Romero C, Jiménez-Pérez S. Int. J. Food Sci. Technol., 2000, 35(2): 193-200.
ISO 11285-2004. Milk - Determination of Lactulose Content - Enzymatic Method. Standards of the International Organization for Standardization(牛奶. 乳糖含量的测定. 酶催化方法. 国际标准化组织标准).
NY/T 939-2016. Identification of Reconstituted Milk in Pasteurized and UHT Milk. Agricultural Industry Standards of the People's Republic of China(巴氏杀菌乳和UHT灭菌乳中复原乳的鉴定. 中华人民共和国农业行业标准).
Liu Y, Yue H, Zhao Z, Liu L J, Li C Z, Shao J B. Dairy Sci. Technol.(刘洋, 岳虹, 赵贞, 刘丽君, 李翠枝, 邵建波. 乳业科学与技术), 2017, 40(1): 19-22.
Yu B H, Du Y P, Xie X B, Luan S R. Chin. J. Anal. Lab.(于博昊, 杜一平, 谢小波, 栾绍嵘. 分析试验室), 2010, 29(3): 119-121.
Generoso M, De Rosa M, De Rosa M, De Magistris L, Secondulfo M, Fiandra R, Carratù R, Cartenì M. J. Chromatogr. B, 2003, 783(2): 349-357.
Nagaraj V. Technological Approaches for Novel Applications in Dairy Processing. London: InTechOpen, 2018: 128-147.
Montilla A, Moreno F J, Olano A. Chromatographia, 2005, 62(5/6): 311-314.
Manzi P, Pizzoferrato L. Food Bioprocess Technol., 2013, 6(3): 851-857.
ISO 11868—2007. Heat-Treated Milk-Determination of Lactulose-Method Using High-performance Liquid Chromatography, Standards of the International Organization for Standardizaiton(热处理牛奶.乳果糖含量的测定. 高效液相色谱法. 国际标准化组织标准).
Jungbauer A, Hahn R. Methods Enzymol., 2009, 463: 349-371.
Mu W M, Li Q X, Fan C, Zhou C, Jiang B. Appl. Microbiol. Biotechnol., 2013, 97(5): 1821-1827.
Elliott A J, Datta N, Amenu B, Deeth H C. J. Dairy Res., 2005, 72(4): 442-446.
Liu H T, Huang R M, Zeng G F, Xu Z L, Sun Y M, Lei H T, Sheng Y D, Wang H M, Xu B J, Wei X Q. LWT-Food Sci. Technol., 2010, 117: 108648.
Liu M M, Song G. China Dairy Ind.(刘萌萌, 宋戈. 中国乳品工业), 2018, 46(3): 49-51.
Schuster-Wolff-Bühring R, Michel R, Hinrichs J. Dairy Sci. Technol., 2011, 91(1): 27-37.
Schmidt C M, Zürn T, Thienel K J F, Hinrichs J. Food Chem., 2017, 215(15): 347-353.
Li S N, Zhang M J, Hu H X, Feng P Y, Zeng J, Wei X Q. Sci. Technol. Food Ind.(李盛楠, 张敏婕, 胡浩鑫, 冯沛彦, 曾静, 韦晓群. 食品工业科技), 2018, 4(10): 998-1003.
Wang Q E, Ding M Y. J. Instrum. Anal.(王巧娥, 丁明玉. 分析测试学报), 2006, 25(6): 126-132.
Determination of Polycyclic Aromatic Hydrocarbons in Environmental Water by HPLC with Stir Bar Adsorption Extraction Based on Covalent Organic Framework Coating
Polydopamine Modified Titanium Dioxide Nano/Submicro Particles Coating for Solid Phase Microextraction of Phthalic Acid Esters
Preparation of a Covalent Organic Framework TpBD-(NH2)2-D-(-)-α-phenylglycine and Its Application Used as Chiral Stationary Phase for High Performance Liquid Chromatography
Determination of 12 Saccharides in Honey by Ultra High Performance Liquid Chromatography Coupled with Evaporative Light Scattering Detection
Related Author
No data
Related Institution
School of Chemistry and Chemical Engineering,Lanzhou City University
Provincial Key Laboratory of Gansu Higher Education for City Environmental Pollution Control
Provincical Key Laboratory of Gansu Higher Education for City Environmental Pollution Control
College of Chemistry and Chemical Engineering,Qinghai Minzu University
Key Lab of Resource Chemistry&Eco-environmental Protection in Qinghai-Tibet Plateau, State Ethnic Affairs Committee,Qinghai Minzu University