Title:
METHOD FOR EXTRACTING ACTIVE COMPONENT EXISTING IN HARD HUSK
Document Type and Number:
Japanese Patent JP2009248049
Kind Code:
A
Abstract:
To solve the problems such as safety troubles, lipid contamination, lengthening the required time of a process and exclusive use of a crusher before extraction, although an extraction method by organic solvent is utilized so that active components existing in hard husks like astaxanthin is taken out with a sufficient yield.
Crushing of the husks and extraction of active components are carried out in one step by making objects to be treated into contact with subcritical water. When astaxanthin is extracted from haematococcus algae, astaxanthin can be extracted with critically sufficient yield by bringing the subcritical water into contact with the algae at 210-220C and under 5-6 MPa.
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Inventors:
ETO HIDEO
NAKANISHI MOTOYASU
KOBAYASHI FUMIO
NAKANISHI MOTOYASU
KOBAYASHI FUMIO
Application Number:
JP2008102049A
Publication Date:
October 29, 2009
Filing Date:
April 10, 2008
Export Citation:
Assignee:
SHIMIZU SHOKO KAIGISHO
International Classes:
B01D11/00; C07C403/24; C09B61/00
Domestic Patent References:
| JPH11196818A | 1999-07-27 | |||
| JPH09111139A | 1997-04-28 | |||
| JP2007301472A | 2007-11-22 | |||
| JP2007224296A | 2007-09-06 |
Attorney, Agent or Firm:
Koji Kikkawa
Akiko Yoshikawa
Akiko Yoshikawa