1. A polysaccharide of fructose ( e.g., inulin) containing small amounts of other sugars; present in certain tubers. SYN: fructan, levan, levulan, levulin, levulosan, polyfructose. 2. 2,6-Anhydrofructofuranose.
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fruc·to·san 'frək-tə-.san, 'fru̇k- n a polysaccharide (as inulin) yielding primarily fructose on hydrolysis called also levulosan
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fruc·to·san (frookґto-san) any polymer composed solely or mainly of fructose residues; e.g., inulin.Medical dictionary. 2011.