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Patent Searching and Data


Title:
PURIFICATION OF CAROTIN-CONTAINING CONCENTRATE
Document Type and Number:
Japanese Patent JPS6391360
Kind Code:
A
Abstract:

PURPOSE: To purify a carotin-containing concentrate, by adsorbing the carotin- containing concentrate into a filler consisting of a silica gel or activated alumina treated with a polar solvent and non-polar solvent and eluting a carotin content using a non-polar, solvent to which a small amount of polar solvent is added as a developing solvent and collecting the eluted carotin content.

CONSTITUTION: A liquid to be treated containing a carotin-containing concentrate is feeded and adsorbed into a filler consisting of a silica gel or activated alumina pre-treated with a polar solvent and non-polar solvent and a carotin is purified using a non-polar solvent containing 5×10-3W5.0wt% (preferably 0.03W0.2wt% of above-mentioned polar solvent as a developing solvent by chromatography. The filler contaminated by use can be regenerated to the condition before use by calcining at 400W800°C. According to the above- mentioned method, required time per batch can be shortened and at the same time, the amount of the solvent used can also be sharply reduced.


Inventors:
HAMA ITSUO
HARA NOBORU
IZUMIMOTO HIROYUKI
NAKAMURA MASANOBU
Application Number:
JP23753586A
Publication Date:
April 22, 1988
Filing Date:
October 06, 1986
Export Citation:
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Assignee:
LION CORP
International Classes:
C09B61/00; A23L1/275; B01D15/08; B01J20/283; B01J20/284; C07C67/00; C07C401/00; C07C403/24; G01N30/88; (IPC1-7): A23L1/275; B01D15/08; C07C175/00; C09B61/00
Attorney, Agent or Firm:
Fumio Usmura