ECB-ART-43020
Food Chem
2014 Jan 01;142:197-200. doi: 10.1016/j.foodchem.2013.06.079.
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Structural study of fucoidan from sea cucumber Acaudina molpadioides: a fucoidan containing novel tetrafucose repeating unit.
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Structure of fucoidan from sea cucumber Acaudina molpadioides (Am-FUC) was investigated in this study. Low molecular weight polysaccharide of Am-FUC (Am-LMW) was prepared by enzymatic degradation and assayed by nuclear magnetic resonance. According to the structure of Am-LMW, and referring to previously reported information of Am-FUC oligosaccharides, the structure of Am-FUC was elucidated as [→3-α-l-Fucp-1→3-α-l-Fucp2,4(OSO3(-))-1→3-α-l-Fucp-1→3-α-l-Fucp2(OSO3(-))-1→]n. Compared to other investigated fucoidans, which also consist of tetrafucose repeating units with 1→3-linkages, Am-FUC contains a novel repeating unit distinctive in sulphation pattern.
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Genes referenced: LOC100887844