通过气-液色谱-质谱法鉴定4-O-乙酰基-9-O-乳酰-N-乙酰神经氨酸，一种来自马下颌下腺的新型唾液酸。
Identification by gas-liquid chromatography-mass spectrometry of 4-O-acetyl-9-O-lactyl-N-acetyl-neuraminic acid, a new sialic acid from horse submandibular gland.
作者信息
Reuter G, Pfeil R, Kamerling J P, Vliegenthart J F, Schauer R
出版信息
Biochim Biophys Acta. 1980 Jun 19;630(2):306-10. doi: 10.1016/0304-4165(80)90435-3.
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 known 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 acid and 9-O-acetyl-N-glycolylneuraminic acid. The structure has been established by combined gas-liquid chromatography-mass spectrometry.
除了已知的马唾液酸，即N-乙酰神经氨酸、4-O-乙酰基-N-乙酰神经氨酸、9-O-乙酰基-N-乙酰神经氨酸、4,9-二-O-乙酰基-N-乙酰神经氨酸、N-糖基神经氨酸、4-O-乙酰基-N-糖基神经氨酸和9-O-乙酰基-N-糖基神经氨酸外，新型唾液酸4-O-乙酰基-9-O-乳酰基-N-乙酰神经氨酸已被鉴定为马下颌下腺糖蛋白的一种成分。其结构已通过气液色谱-质谱联用得以确定。
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