1価および2価カチオンによるフノリ科粘質多糖の改良分別法

概要

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Polysaccharides extracted with hot water from the red algae Gloiopeltis tenax (Gt), G. furcata (Gf) and G. complanata (Gc) were separated into K- and S-fractions by potassium chloride. The K-fractions, precipitated with potassium ions, were refractionated by calcium chloride into two components, KP- and KS-fractions. Similarly, potassium chloride-soluble S-fractions were refractionated into two polysaccharides, SP- and SS-fractions by barium chloride fractionation. The resulting fractions were different in chemical composition and some properties, and the ratios of KP-, KS-, SP- and SS-fractions in Gt, Gf and Gc were 34:22:10:34, 39:21:9:31 and 34:21:14:31, respectively. The above procedures were not only applicable to polysaccharides of the Endocladiaceae family but also to some species of the Solieriaceae family and Carrageenans. The results of this investigation indicate that the present fractionation method using mono- and di-valent cations is useful for examining the mucilaginous polysaccharides of red algae.
社団法人日本農芸化学会の論文