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Patent Searching and Data


Title:
METHOD FOR PRODUCING REFINED OILS AND FATS, AND METHOD FOR PRODUCING TOCOPHEROLS
Document Type and Number:
WIPO Patent Application WO/2020/194936
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for producing refined oils and fats whereby the content of, e.g., glycidol, can be reduced and reductions in the content of tocopherols can be inhibited, and providing a method for producing low-impurity tocopherols. The present invention provides a method for producing refined oils and fats, the method comprising a first distillation step of subjecting a starting oil/fat to thin film distillation under a first condition; a second distillation step of subjecting a first distillate obtained after the first distillation step to thin film distillation under a second condition; a third distillation step of subjecting a second residue obtained after the second distillation step to thin film distillation under a third condition; and a mixing step of obtaining a mixed oil by mixing a first residue obtained after the first distillation step, with a third distillate obtained after the third distillation step. The first, second, and third conditions include specified temperature conditions and pressure conditions.

Inventors:
KOZUI HIROYUKI (JP)
Application Number:
PCT/JP2019/050032
Publication Date:
October 01, 2020
Filing Date:
December 20, 2019
Export Citation:
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Assignee:
NISSHIN OILLIO GROUP LTD (JP)
International Classes:
C11B3/12; A23D9/04; C07D311/72
Foreign References:
CN101445498A2009-06-03
JPH029875A1990-01-12
Other References:
HIROMORI, KOUSUKE ET AL: "Separation technology of vitamin E from rice bran oil, Oleoscience", IMPROVEMENT OF SEPARATION PROCESS BASED ON MOLECULAR DISTILLATION, vol. 17, no. 6, 2017, pages 253 - 259, XP055842969
PUDEL, F. ET AL.: "3-MCPD- and glycidyl esters can be mitigated in vegetable oils by use of short path distillation", EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY, vol. 118, 22 May 2015 (2015-05-22), pages 396 - 405, XP055417264, DOI: 10.1002/ejlt.201500095
MATTHAEUS, B. ET AL.: "Mitigation of 3-MCPD and glycidyl esters within the production chain of vegetable oils especially palm oil", LIPID TECHNOLOGY, vol. 25, no. 7, 10 July 2013 (2013-07-10), pages 151 - 155, XP055110706, DOI: 10.1002/lite.201300288
JIANG S.T. ET AL.: "Molecular Distillation for recovering Tocopherol and Fatty Acid Methyl Esters from Rapeseed Oil Deodoriser Distillate", BIOSYSTEMS ENGINEERING, vol. 93, no. 4, 9 March 2006 (2006-03-09), pages 383 - 391, XP024970536, DOI: 10.1016/j.biosystemseng.2006.01.008
POSADA L.R. ET AL.: "Extraction of tocotrienols from palm fatty acid distillates using molecular distillation", SEPARATION AND PURIFICATION TECHNOLOGY, vol. 57, 2007, pages 220 - 229, XP022261049, DOI: 10.1016/j.seppur.2007.04.016
LWT-FOOD SCIENCE AND TECHNOLOGY, vol. 42, 2009, pages 1751 - 1754
JAPAN OIL CHEMISTS' SOCIETY: "Tocopherols", STANDARD METHODS FOR THE ANALYSIS OF FATS, OILS, AND RELATED MATERIALS
JAPAN OIL CHEMISTS' SOCIETY: "Acid Value", STANDARD METHODS FOR THE ANALYSIS OF FATS, OILS, AND RELATED MATERIALS
JAPAN OIL CHEMISTS' SOCIETY: "Peroxide Value", STANDARD METHODS FOR THE ANALYSIS OF FATS, OILS, AND RELATED MATERIALS
JAPAN OIL CHEMISTS' SOCIETY: "CDM Test", STANDARD METHODS FOR THE ANALYSIS OF FATS, OILS, AND RELATED MATERIALS
JAPAN OIL CHEMISTS' SOCIETY: "Color (Lovibond method", STANDARD METHODS FOR THE ANALYSIS OF FATS, OILS, AND RELATED MATERIALS
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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