Glucans having a cycle structure, and processes for preparing th

Food or edible material: processes – compositions – and products – Products per se – or processes of preparing or treating... – Carbohydrate containing

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426590, 514 23, 514 25, 536 11, 5361231, A23G 300, A61K 3170, C07H 100

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056861320

ABSTRACT:
The present invention provides glucans and derivatives thereof which are useful as raw materials in the starch processing industries, food and drink compositions, food additive compositions, and starch substitutes for biodegradable plastics, and processes for preparing the same. Particularly, it provides glucans and derivatives thereof having excellent properties such as higher solubility in water than conventional starches, lower viscosity and the glucans are not subject to retrogradation which is observed in conventional starches, and which are capable of preventing the retrogradation of starches.

REFERENCES:
patent: 5364936 (1994-11-01), Oguma et al.
Denpun Kagaku 38:314 (1991) (with partial translation).
Endo et al., "Isolation, Purification and Characterization of Cyclomaltododecaose (.eta.-cyclodextrin)," Carbohydrate Research 269:369-373 (1995).
French, "The Schardinger Dextrins," Department of Chemistry, Iowa State College, Ames, Iowa, pp. 189-260.
French, "Studies on the Schardinger Dextrins. The Molecular Size and Structure of the .delta.-, .epsilon.-, .zeta.-, and .eta.-Dextrins," Archives of Biochemistry and Biophysics 111:153-160 (1965).
Matsuura et al., "Crystal Structure of Cyclodextrin Glucanotransferase from Bacillus stearothermophilus and its Carbohydrate Binding Sites," Crystal Structure of .alpha.-Amylases and Related Enzymes, pp. 153-162.
Pulley et al., "Studies on the Schardinger Dextrins. The Isolation of New Schardinger Dextrins," Biochemical and Biophysical Research Communications 5(1):11-15 (1961).
Sundararajan et al., "Conformation Studies on Cycloamyloses," Carbohydrate Research 13:351-358 (1970).
S. Kobayashi, "Fundamental Study and Application of Cyclodextrins," Denpun Kagaku 40(2):103-116 (1993).
Horikoshi et al., "Industrial Production of Cyclodextrins," I. Int. Symp. on Cyclodextrins 25-39 (1981).

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