Identification by gas-liquid chromatography-mass spectrometry of 4-O-acetyl-9-O-lactyl-N-acetylneuraminic acid,a new sialic acid from horse submandibular gland |
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| Authors: | Gerd Reuter Reinhard Pfeil Johannis P Kamerling Johannes FG Vliegenthart Roland Schauer |
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| Institution: | 1. Department of Bio-Organic Chemistry, State University of Utrecht, Croesestraat 79, 3522 AD Utrecht The Netherlands;2. Biochemisches Institut der Christian-Albrechts-Universität, Olshausenstrasse 40-60, D-2300 Kiel 1 F.R.G. |
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| Abstract: | The novel sialic acid 4-O-acetyl-9-O-lactyl-N-acetylneuraminic acid has been identified as a constituent of horse submandibular gland glycoproteins in addition to the already know equine sialic acids, N-acetylneuraminic acid, 4-O-acetyl-N-acetylneuraminic acid, 9-O-acetyl-N-acetylneuraminic acid, 4,9-di-O-acetyl-N-acetylneuraminic acid, N-glycolylneuraminic acid, 4-O-acetyl-N-glycolylneuraminic acidand 9-O-acetyl-N-glycolylneuraminic acid. The structure has been established by combined gas-liquid chromatography-mass spectrometry. |
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| Keywords: | Acetyl lactose derivative Acetylneuraminic acid Sialic acid Gas-liquid chromatography-mass spectrometry (Horse submandibular gland) Neu5Ac Neu5G1 Neu4Ac5G1 Neu9Ac5G1 Neu5Ac9Lac |
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