カゼインの安定性に関する研究 : アルコール不安定乳カゼインのDEAEセルローズ分割について

概要

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Dialysed skim milk and casein solutions were fractionated by DEAE-cellulose column chromatography to compare alcohol-labile milk with normal milk.1) Sediments in alcohol-labile milk on alcohol test consisted mostly of peaks eluted by 0.225 (β-casein rich), 0.350 and 0.500M NaCl (αs-casein rich).2) The peaks eluted by 0.250, 0.275 and 0.300M NaCl showed relatively high sialic acid contents and were considered to consist of κ-casein, α-casein and β-casein. 3) The variation of value in relative amounts of peaks eluted in alcohol-labile milk was very large, so the difference in amounts of fractionated casein by DEAE-cellulose chromatography between alcohol-labile milk and normal milk was not clear.
社団法人日本畜産学会の論文