Methods of recovering and separating water-soluble cyclodextrins

Details Methods of recovering and separating water-soluble cyclodextrins Methods of recovering and separating water-soluble cyclodextrins

1989-04-06

1990-11-13

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Resolution of optical isomers or purification of organic...

435 95, 435 96, 435 97, 435101, 536103, C08B 3716, C12P 1904, C12P 1918

Patent

active

049701649

ABSTRACT:
A method of recovering and separating water-soluble cyclodextrins from cyclodextrin formation liquid, wherein the CD formation liquid or the CD liquid after separating .beta.-CD by concentrated precipitation method is mixed with .alpha.-amylase to hydrolyze dextrins to small oligosaccharides, then is concentrated and precipitated again to separate the remained .beta.-CD, after that, soluble .alpha.- and .gamma.-CD are recovered by using inclusion extraction method with organic solvent from the residual liquid.

REFERENCES:
patent: 3541077 (1970-11-01), Armbruster
patent: 4738923 (1988-04-01), Ammeraal
patent: 4808232 (1989-02-01), Beesley
patent: 4835105 (1989-05-01), Sergs et al.
patent: 4840679 (1989-06-01), Ammeraal et al.
patent: 4904307 (1990-02-01), Ammeraal et al.

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