RELATION BETWEEN COLLOIDAL CALCIUM-PHOSPHATE CROSS-LINKAGE AND RELEASE OF BETA-CASEIN FROM BOVINE CASEIN MICELLES ON COOLING

被引:22
作者
AOKI, T
YAMADA, N
KAKO, Y
机构
[1] Department of Biochemical Science and Technology, Kagoshima University, Kagoshima
来源
AGRICULTURAL AND BIOLOGICAL CHEMISTRY | 1990年 / 54卷 / 09期
关键词
D O I
10.1080/00021369.1990.10870320
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Colloidal calcium phosphate (CCP)-increased casein micelle dispersion (CMD) was prepared by adding calcium chloride and dipotassium phosphate to CMD adjusting the pH to 6.7. The content of casein aggregates cross-linked by CCP in casein micelles was increased from 49.3 to 68.3% by adding calcium and phosphate to CMD. The amount of serum casein released from casein micelles on cooling decreased with increasing CCP content. Since it is probable that β-casein is only released from β-casein which is not cross-linked by CCP in casein micelles, β-casein in casein micelles was divided into the three types: cross-linked by CCP; not cross-linked and released on cooling; not cross-linked and not released on cooling. When the CCP content was increased to a large extent, β-casein released on cooling decreased from 31.8 to 2.1% of the total β-casein, while β-casein cross-linked by CCP and β-casein which is not cross-linked and not released on cooling were increased from 46.2 to 69.9% and from 22.0 to 28.0% of the total β-casein, respectively. © 1990 by the Japan Society for Bioscience, Biotechnology, and Agrochemistry.
引用
收藏
页码:2287 / 2292
页数:6
相关论文
共 26 条
[1]   INFLUENCE OF STORAGE OF MILK ON CASEIN DISTRIBUTION BETWEEN THE MICELLAR AND SOLUBLE PHASES AND ITS RELATIONSHIP TO CHEESE-MAKING PARAMETERS [J].
ALI, AE ;
ANDREWS, AT ;
CHEESEMAN, GC .
JOURNAL OF DAIRY RESEARCH, 1980, 47 (03) :371-382
[2]   The estimation of phosphorus [J].
Allen, RJL .
BIOCHEMICAL JOURNAL, 1940, 34 (06) :858-865
[3]   SEPARATION OF CASEIN AGGREGATES CROSS-LINKED BY COLLOIDAL CALCIUM-PHOSPHATE FROM BOVINE CASEIN MICELLES BY HIGH-PERFORMANCE GEL CHROMATOGRAPHY IN THE PRESENCE OF UREA [J].
AOKI, T ;
KAKO, Y ;
IMAMURA, T .
JOURNAL OF DAIRY RESEARCH, 1986, 53 (01) :53-59
[4]  
AOKI T, 1986, Japanese Journal of Zootechnical Science, V57, P624
[5]   CASEINS ARE CROSS-LINKED THROUGH THEIR ESTER PHOSPHATE GROUPS BY COLLOIDAL CALCIUM-PHOSPHATE [J].
AOKI, T ;
YAMADA, N ;
TOMITA, I ;
KAKO, Y ;
IMAMURA, T .
BIOCHIMICA ET BIOPHYSICA ACTA, 1987, 911 (02) :238-243
[6]  
BRADFORD MM, 1976, ANAL BIOCHEM, V72, P248, DOI 10.1016/0003-2697(76)90527-3
[7]   VARIATION IN THE PROTEIN-COMPOSITION OF BOVINE CASEIN MICELLES AND SERUM CASEIN IN RELATION TO MICELLAR SIZE AND MILK TEMPERATURE [J].
DAVIES, DT ;
LAW, AJR .
JOURNAL OF DAIRY RESEARCH, 1983, 50 (01) :67-75
[8]   IMPROVED METHOD FOR QUANTITATIVE FRACTIONATION OF CASEIN MIXTURES USING ION-EXCHANGE CHROMATOGRAPHY [J].
DAVIES, DT ;
LAW, AJR .
JOURNAL OF DAIRY RESEARCH, 1977, 44 (02) :213-221
[9]   TEMPERATURE-DEPENDENT DISSOCIATION OF BETA-CASEIN FROM BOVINE CASEIN MICELLES AND COMPLEXES [J].
DOWNEY, WK ;
MURPHY, RF .
JOURNAL OF DAIRY RESEARCH, 1970, 37 (03) :361-&
[10]   STRUCTURE OF CASEIN MICELLE - A PROPOSED MODEL [J].
GARNIER, J ;
RIBADEAU.B .
JOURNAL OF DAIRY RESEARCH, 1970, 37 (03) :493-+