Über die Kohlenhydratgruppen des Submaxillarismucins.

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Abstract
Esterified H2SO4 is present only in inconsiderable amounts in sub-maxillary mucin. The prosthetic group of the latter can therefore not be mucoitin sulfuric acid. 2 carbohydrate compounds were isolated from the mucin mentioned. The one, which formed about 20-25% of the protein, was obtained in crystalline state. It was a relatively strong acid and contained an hexosamine, 1 (or 2) acetyl groups (per 1 mol. hexosamine) and an acidic component, which probably was a polyhydroxic acid but no hexuronic acid. The 2d carbohydrate was a neutral substance and contained 2 molecules of an hexose (probably mannose) per mol. of hexosamine. This latter carbohydrate constituted about 5% of the mucin.

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