Chemical characterisation of the oligosaccharides in a sample of milk of a white-nosed coati, Nasua narica (Procyonidae: Carnivora).
Carbohydrates were extracted from a sample of coati milk and the component oligosaccharides were separated and partially purified by gel filtration and preparative thin layer chromatography. Their structures were determined by 1H-NMR. Fuc alpha 1-->2Gal beta 1-->4Glc Gal alpha 1-->3Gal beta 1-->4Glc Gal beta 1-->4GlcNAc beta 1-->3Gal beta 1-->4Glc Fuc alpha 1-->2Gal beta 1-->4GlcNAc beta 1-->3Gal beta 1-->4Glc Gal alpha 1-->3Gal beta 1-->4GlcNAc beta 1-->3Gal beta 1-->4Glc The two pentasaccharides are novel sugars. In addition, higher oligosaccharides, whose core units were lacto-N-neohexaose, were found in coati milk. Free lactose constituted only about one-third of the total free milk saccharides. The results are discussed in terms of comparisons with the milk sugars of bears and other species.
Urashima
T
T
Department of Bioresource Chemistry, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido, Japan. urashima@obihiro.ac.jp
Yamamoto
M
M
Nakamura
T
T
Arai
I
I
Saito
T
T
Namiki
M
M
Yamaoka
K
K
Kawahara
K
K
D000818:Animals; D002335:Carnivora / Q000378:metabolism*; D002850:Chromatography, Gel; D002855:Chromatography, Thin Layer; D005260:Female; D007785:Lactose / Q000032:analysis; D009682:Magnetic Resonance Spectroscopy; D008892:Milk / Q000737:chemistry*; D009844:Oligosaccharides / Q000737:chemistry*
D009844:Oligosaccharides; D007785:Lactose