Blood-Group-(A + H) Complex Fucolipids of Hog Gastric Mucosa

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Abstract
A new group complex glycosphingolipids exhibiting blood-group-(A+H) activity was isolated from the lipid extract of hog gastric mucosa. Four components of this group have been purified to homogeneity and their structures and immunological properties were studied. The branched structures of glycolipids were identified by patial acid hydrolysis, sequential degradation with specific glycosidases, oxidation with periodate and chromium trioxide, and comparison of the permethylation products of the native and defucosylated compounds. The structures of these fucolipids are proposed to be as follows.