Dentinal Protein

Abstract
A technic is described for isolation of maximum percentages of dentinal protein by demineralization. HC1 at pH 1 is used for 48 hrs. at room temp. Variations in acid concn. have definite effects on protein yields. The protein recovered amounts to 15.5% of the original wt. of dentin, is white, and contains over 16% N and less than 0.6 % ash. Of the total amt. of N in the original sample of dentin, from 97 % to 99% has been accounted for in solns. and solid material recovered from demineralization.
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