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A polysaccharide made up of polymerized fructofuranose units.



(C6H10O5), an organic substance of the polysaccharide group, a D-fructose polymer. It is a white powder, readily soluble in hot water and poorly soluble in cold. Sweet-tasting, it has a molecular weight of 5,000–6,000. Its structural formula is

During hydrolysis, inulin forms D-fructose and a small quantity of glucose in the presence of acids and the enzyme inulase. Inulin and the intermediate products of its fermentative decomposition, that is, inulides, do not have reducing properties. An inulin molecule comprises a chain of 30–36 fructose radicals in furanose form. Like starch, inulin serves as a reserve carbohydrate and occurs in many plants, primarily in the family Compositae as well as in the families Campanulaceae, Liliaceae, Lobeliaceae, and Violaceae. The inulin content reaches 10–12 percent in the tubers and roots of the dahlia, narcissus, hyacinth, tuberose, chicory, and Jerusalem artichoke. Related carbohydrates (pseudoinulin, inulenin, levulin, helianthin, sinistrin, irisin) are nearly always found with inulin in plants; these carbohydrates yield D-fructose upon hydrolysis as does inulin.

Inulin is extracted from chicory or from the Jerusalem artichoke. It is readily assimilated by the human body and is there fore used in medicine as a starch and sugar substitute in diabetes mellitus. Inulin also serves as the starting material for the commercial preparation of fructose.

References in periodicals archive ?
Dahlin won the short handicap title with 84, six better than Christensen.
The gold surface is 20 nanometres thick so there is not that much gold in it," says Andreas Dahlin.
Dahlin hopes to increase bus driver wages during contract negotiations later this school year.
MIDTJYLLAND: Dahlin 6, Romer 6, Hansen 7, Sviatchenko 6, Lauridsen 6, MOTM Sparv 7, Sisto 7 (Hassan 71, 5), Poulsen 6 (Onuachu 89), Andersson 7 (Olsson 78), Royer 6, Rasmussen 6.
rnoz, Malmo boss Rikard "We didn't score a third focusing more on not MALMO: Dahlin, Albornoz, Jansson, Halsti, Eriksson, Hamad, Thern (Friberg Johansson, Forsberg (Kroon 69).
Dahlin was part of the side that extinguished English hopes at Euro 92, when a Tomas Brolininspired Sweden reached the semi-finals of the competition on home soil.
CATEGORY: Custom home, less than 3,500 square feet; ENTRANT/ ARCHITECT/INTERIOR DESIGNER: Dahlin Group Architecture Planning, San Ramon, Calif.
Charles Tabler, President of OCS IntelliTrak in Cincinnati, OH dedicated an engineering team to work with Kellwood and Dahlin to develop the ultimate IntelliTrak Transport and Distribution System.
Local news is their strength," says Dahlin about smaller paper sites.
Dahlin spent the last months of his career with German side Hamburg on loan from Blackburn but his deal with the English club has now expired.
Pearce was forced to clear off the line with Dahlin hovering after Sherwood had galloped past Ferdinand only to see his shot superbly, if only partially, saved by Hislop.
MARTIN Dahlin became the second Blackburn player to be sent off in a week when he was dismissed after a clash with Everton's Italian defender Marco Materazzi.