Gomaa, M., Abdel-Aziz, M., Hafez, E., Salama, S. (2014). NEW METHOD FOR DETERMINATION OF PROTEIN CONTENT OF GOAT'S MILK AND COMPARED WITH DIFFERENT METHODS. Journal of Food and Dairy Sciences, 5(2), 95-101. doi: 10.21608/jfds.2014.52745
M. SH. Gomaa; M. E. Abdel-Aziz; E. H. Hafez; Samar I. Salama. "NEW METHOD FOR DETERMINATION OF PROTEIN CONTENT OF GOAT'S MILK AND COMPARED WITH DIFFERENT METHODS". Journal of Food and Dairy Sciences, 5, 2, 2014, 95-101. doi: 10.21608/jfds.2014.52745
Gomaa, M., Abdel-Aziz, M., Hafez, E., Salama, S. (2014). 'NEW METHOD FOR DETERMINATION OF PROTEIN CONTENT OF GOAT'S MILK AND COMPARED WITH DIFFERENT METHODS', Journal of Food and Dairy Sciences, 5(2), pp. 95-101. doi: 10.21608/jfds.2014.52745
Gomaa, M., Abdel-Aziz, M., Hafez, E., Salama, S. NEW METHOD FOR DETERMINATION OF PROTEIN CONTENT OF GOAT'S MILK AND COMPARED WITH DIFFERENT METHODS. Journal of Food and Dairy Sciences, 2014; 5(2): 95-101. doi: 10.21608/jfds.2014.52745
NEW METHOD FOR DETERMINATION OF PROTEIN CONTENT OF GOAT'S MILK AND COMPARED WITH DIFFERENT METHODS
1Dairy Dept. , Fac. of Agric. Mansoura Univ., Egypt.
2Dairy Chem. Dept., Anim. Prod. Res. Inst.
Abstract
A total of 45 samples of goats milk were collected during the milk production season to estimate %protein by Kjeldahl method and also as much as formol number. All samples were analyzed and correlation coefficient between the results was calculated to get a constant factor from which we can estimate protein content by formol titration method directly.
The calculated factor was 2.505 and the suggested concluded equation for protein determination was as follows: Protein content (%) = 2.505 x formol No – 0.114. However, the differences when applying such equation and Kjeldahl method were statistically insignificant. Protein content (%) by Kjeldahl method (A) differed significantly from that given by Milkoscan method (B) as shown in the following equation: A = 1.2008 x B – 0.4428
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