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Ceruloplasmin concentration in human colostrum and mature milk
I Kiyosawa1, J Matsuyama, S Nyui
1Department of Agricultural Chemistry, Tamagawa University, Tokyo, Japan.
Abstract:
The concentration of ceruloplasmin (CP) in human milk was obtained by measuring the increased absorbance of a solution containing apotransferrin and Fe2+ at 460 nm after adding the milk. The CP concentrations in colostrum and mature milk at less than 1 month after parturition were 4.45 +/- 1.23 mg and 4.09 mg +/- 1.47 mg/100 ml, respectively. In mature milk after more than one month, the CP concentration had decreased to 1.72 +/- 0.91 mg/100 ml.
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