Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PRODUCING HIGH PURITY OMEGA-3 FATTY ACID ETHYL ESTER
Document Type and Number:
WIPO Patent Application WO/2015/029364
Kind Code:
A1
Abstract:
The present invention relates to the field of methods for purifying fatty acid ethyl ester. According to the present invention, a method for obtaining ω-3 fatty acid ethyl esters such as EPA and DHA in the form of a high purity product and in high yield is provided. In this method, an oil or fat ingredient comprising EPA and DHA is treated with a lipolytic enzyme, ethyl-esterified as required, and fractionated into a glyceride fraction and a free fatty acid fraction, then a fraction rich in EPA ester and a fraction rich in DHA ester are obtained from each of the fractions, the fraction rich in EPA ester being purified to prepare high purity EPA ester and the fraction rich in DHA ester being purified to prepare high purity DHA ester.

Inventors:
SHIMIZU YOSHIO (JP)
URYU KEISUKE (JP)
TAIRA TETSURO (JP)
FUJII JUN (JP)
Application Number:
PCT/JP2014/004209
Publication Date:
March 05, 2015
Filing Date:
August 18, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BIZEN CHEMICAL CO LTD (JP)
International Classes:
C11C3/10; C07C67/60; C12P7/64
Domestic Patent References:
WO2009017102A12009-02-05
Foreign References:
JP2009504588A2009-02-05
JP2013055893A2013-03-28
JP2010064974A2010-03-25
JP2008545407A2008-12-18
JP2006506483A2006-02-23
JP2003500082A2003-01-07
JPH11209785A1999-08-03
JPH10152693A1998-06-09
JPH09510091A1997-10-14
JP2002069475A2002-03-08
JP2013005589A2013-01-07
JP2013121366A2013-06-20
JP2006288228A2006-10-26
JP2007089522A2007-04-12
JP2009504588A2009-02-05
JP2010064974A2010-03-25
JPH07242895A1995-09-19
JPH11209786A1999-08-03
JPH0672959A1994-03-15
JP2003516466A2003-05-13
JP2003313578A2003-11-06
JP2000342291A2000-12-12
Other References:
KOSAKU YASUDA ET AL., YUSHISEIHIN NO CHISHIKI, SAIWAI SHOBOU (TOKYO, 1977, pages 103 - 104
YUSHIKAGAKU BINRAN: "Japan Oil Chemists' Society, 4th edition,", 2001, MARUZEN, pages: 454 - 456
"Gyokairui no shibousan soseihyou", 1989, JAPAN AQUATIC OIL ASSOC.
"Nenban Kijun Yushi Bunseki Shikenhou", 2003, JAPAN OIL CHEMISTS' SOCIETY
MITSUMASA MANKURA; MITSU KAYAMA: "Mitsu KAYAMA", 1995, KOUSEISHA-KOUSEIKAKU CORP, article "AA, EPA, DHA-Koudo fuhouwa shibousan", pages: 207 - 224
Attorney, Agent or Firm:
YAMAMOTO, Shusaku et al. (JP)
Shusaku Yamamoto (JP)
Download PDF: