Production of fructose dianhydride products from inulin

Details Production of fructose dianhydride products from inulin Production of fructose dianhydride products from inulin

1996-05-31

1999-07-20

Group, Karl

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 29, 127 36, 127 42, 127 44, 426 61, 426658, 435 99, 435101, 435105, C08B 3000, C13K 3000, A23C 912, C12P 1914

Patent

active

059251905

ABSTRACT:
Inulins are pyrolyzed to di-D-fructose dianhydrides in good yield by heating at atmospheric pressure to a temperature sufficiently high to melt the inulin, or pyrolyzing in the presence of a hydroxy carboxylic acid such as citric acid, to melt temperatures of the mixture. The pyrolyzed inulins are used in foodstuffs to increase the relative proportions of bifido bacteria in the digestive tracts of humans and domesticated animals.

REFERENCES:
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patent: 4871574 (1989-10-01), Yamazaki et al.
patent: 5057418 (1991-10-01), Uchiyama et al.
patent: 5206355 (1993-04-01), Richards et al.
patent: 5318794 (1994-06-01), Richards
Chemical Abstracts Publication -1994, 120:159111e month not available.
Ponder et al., "Pyrolysis of Inulin, Glucose and Fructose", Carbohydr. Res., 244 pp. 341-359 (1993). Dec. 1992.
Defaye et al., "Acetal and Ester Protecting-Groups in the Hydrogen Fluoride-Catalyssed Synthesis of D-Fructose and L-Sorbose Difuranose Dianhydrides", Carbohydr. Res., 174 pp. 323-329 (1988). Oct. 1987.
Defaye et al., "Selective protonic activation of isomeric glycosylfructoses with pyridinium poly(hydrogen fluoride) and synthesis of spirodioxanyl oligosaccharides", Carbohydr. Res., 273 pp. 223-247 May 1992.
Defay et al., "The Behavior of L-Sorbose Towards Anhydrous Hydrogen Fluoride", Carbohydr. Res., 152 pp. 89-98 (1986). Aug. 1985.
Defaye et al., "The Behavior of D-Fructose and Inulin Towards Anhydrous Hydrogen Fluoride", Carbohydr. Res., 136 pp. 53-65 (1985). May 1984.

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