Chemical characterisation of the oligosaccharides in a sample of milk of a white-nosed coati, Nasua narica (Procyonidae: Carnivora)

Tadasu Urashima, Masaki Yamamoto, Tadashi Nakamura, Ikichi Arai, Tadao Saito, Misako Namiki, Koh Ichi Yamaoka, Kazuyuki Kawahara

    Research output: Contribution to journalArticlepeer-review

    29 Citations (Scopus)

    Abstract

    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 α 1 → 2Gal β 1 → 4Glc Gal α 1 → 3Gal β 1 → 4Glc Gal 2b 1 → 4GlcNAc 2b 1 → 3Gal β 1 → 4Glc Fuc α 1 → 2Gal β 1 → 4GlcNAc β 1 → 3Gal β 1 → 4Glc Gal α 1 → 3Gal β 1 → 4GlcNAc β 1 → 3Gal β 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.

    Original languageEnglish
    Pages (from-to)187-193
    Number of pages7
    JournalComparative Biochemistry and Physiology - A Molecular and Integrative Physiology
    Volume123
    Issue number2
    DOIs
    Publication statusPublished - 1999 Jun

    Keywords

    • Carnivora
    • Chemical structure
    • Coati
    • H-NMR
    • Milk
    • Nasua narica
    • Oligosaccharide
    • Procyonidae

    ASJC Scopus subject areas

    • Biochemistry
    • Physiology
    • Molecular Biology

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