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[in-yuh-lin] /ˈɪn yə lɪn/
noun, Chemistry.
a polysaccharide, (C 6 H 10 O 5) n , obtained from the roots of certain plants, especially elecampane, dahlia, and Jerusalem artichoke, that undergoes hydrolysis to the dextrorotatory form of fructose: used chiefly as an ingredient in diabetic bread, in processed foods to increase their fiber content, and as a reagent in diagnosing kidney function.
Also called alant starch.
Origin of inulin
1805-15; < New Latin Inul(a) a genus of plants (Latin: elecampane) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for inulin


a fructose polysaccharide present in the tubers and rhizomes of some plants. Formula: (C6H10O5)n
Word Origin
C19: from Latin inula elecampane + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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inulin in Medicine

inulin in·u·lin (ĭn'yə-lĭn)
A fructose polysaccharide derived from the rhizomes of Inula helenium or I. elecampane, and other plants.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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