Treatment of the lipopolysaccharide of Vibrio parahaemolyticus serotypes O7 and O12 with mild acid gave a compound which, on the basis of chemical analysis, g.l.c.-m.s., and 1H and 13C-n.m.r. spectroscopy, was characterized as 3-deoxy-D-threo-hexulosonic acid and shown to be present as a terminal non-substituted pyranose unit.
用温和酸处理副溶血性弧菌血清型O7和O12的脂
多糖,得到的化合物在
化学分析的基础上通过glc-ms以及1H和13C-nmr光谱表征为3-脱氧-D-苏式-己糖醛酸酸,并显示为末端未取代的
吡喃糖单元。