Analysis of the protein composition of raw milk with different somatic cell counts by capillary zone electrophoresis

ZHANG Ming; REN Fa-zheng; FANG Bing; ZHANG Hao; GUO Hui-yuan

doi:10.13386/j.issn1002-0306.2018.07.041

ZHANG Ming, REN Fa-zheng, FANG Bing, ZHANG Hao, GUO Hui-yuan. Analysis of the protein composition of raw milk with different somatic cell counts by capillary zone electrophoresis[J]. Science and Technology of Food Industry, 2018, 39(7): 232-236. DOI: 10.13386/j.issn1002-0306.2018.07.041

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Analysis of the protein composition of raw milk with different somatic cell counts by capillary zone electrophoresis

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Abstract

To study the rules of different somatic cell count(SCC) acting on proten composition of raw milk.In this study,raw milk with different ranges of SSC were collected and the protein composition were measured by capillary zone electrophoresis. It was suggested that the proportion of casein decreased as the increasing of SSC (p<0.05), the content of whey protein increased relatively.Meanwhile,as SSC increased,the contents of β A1-casein and β-casein B decreased significantly(p<0.05).The study provided a method for protein analysis during raw milk purchase,which laid a theoretical basis for the later milk processing.

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Analysis of the protein composition of raw milk with different somatic cell counts by capillary zone electrophoresis

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