Process for producing gamma-cyclodextrins

Details Process for producing gamma-cyclodextrins Process for producing gamma-cyclodextrins

1981-07-27

1983-11-29

Shapiro, Lionel M.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing compound containing saccharide radical

435 97, 536103, C12P 1920, C12P 1918

Patent

active

044181442

ABSTRACT:
This invention relates to a process for producing .gamma.-cyclodextrin without using any organic solvents i.e. by non-solvent process and more particularly, to processes for producing .gamma.-cyclodextrin, which comprise: (1) passing a sugar solution containing cyclodextrins and reducing sugars as primary ingredients through a column packed with alkali or alkali earth metal salts of strongly acidic cation exchange resin to separate cyclodextrins fraction from reducing sugars fraction and then, passing the cyclodextrins fraction through a column packed with gel resin particles to separate and collect .gamma.-cyclodextrin and, (2) bringing the sugar solution into contact with a hydrophobic, synthetic adsorption resin comprising a porous polymer to adsorb only .gamma.-cyclodextrin or .gamma.- and .beta.-cyclodextrins and then, eluting the adsorbed cyclodextrin(s) with water to separate and collect .gamma.-cyclodextrin.

REFERENCES:
patent: 4303787 (1981-12-01), Horikoshi et al.

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