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Structural determination of three neutral oligosaccharides in bovine (Holstein-Friesian) colostrum, including the novel trisaccharide; GalNAc alpha 1-3Gal beta 1-4Glc.

作者信息

Urashima T, Saito T, Ohmisya K, Shimazaki K

机构信息

Department of Bioresource Chemistry, Obihiro University of Agriculture and Veterinary Medicine, Japan.

出版信息

Biochim Biophys Acta. 1991 Jan 23;1073(1):225-9. doi: 10.1016/0304-4165(91)90207-w.

DOI:10.1016/0304-4165(91)90207-w
PMID:1991141
Abstract

Two trisaccharides, and a pentasaccharide were obtained from bovine colostrum. Their chemical structures were determined by using methylation and 13C-NMR analyses as follows: GalNac alpha 1-3Gal beta 1-4Glc, Gal alpha-1-3Gal beta 1-4Glc, GaL beta 1-3[Gal beta 1-4GlcNAc beta 1-6]Gal beta 1-4Glc. GalNAc alpha 1-3Gal beta 1-4Glc, which was identified in this study, is a novel oligosaccharide from natural sources. Gal alpha 1-3Gal beta 1-4Glc and Gal beta 1-3[Gal beta 1-4GlcNAc beta 1-6]Gal beta 1-4Glc (lacto-N-novopentaose) have been already found in ovine colostrum, and in horse colostrum and marsupial milk, respectively.

摘要

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