Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)

2015 ◽  
Keyword(s):  
Amino Nitrogen ◽  
Processing Waste ◽  
Kjeldahl Method

Total protein determined in human breast milk by use of coomassie brilliant blue and centrifugal analysis.

1989 ◽  
Vol 35 (10) ◽  
pp. 2127-2129 ◽  
Author(s):  
Y Bergqvist ◽  
L Karlsson ◽  
L Fohlin
Keyword(s):  
Breast Milk ◽  
Total Protein ◽  
Brilliant Blue ◽  
Human Breast Milk ◽  
Human Breast ◽  
Simple Method ◽  
Coomassie Brilliant Blue ◽  
Kjeldahl Method ◽  
Coomassie Brilliant

Abstract This simple method of centrifugal analysis for total protein in human breast milk is based on the change in the wavelength of the absorbance maximum of Coomassie Brilliant Blue G-250 when the dye is bound to protein. Within-run and between-day CVs were 3.8% and 4.8%, respectively. Compared with a micro-Kjeldahl method for determination of total nitrogen, the coefficient of correlation was 0.99.

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