GB1008767A - Improvements in or relating to sterols and tocopherols - Google Patents

Improvements in or relating to sterols and tocopherols

Info

Publication number
GB1008767A
GB1008767A GB2053462A GB2053462A GB1008767A GB 1008767 A GB1008767 A GB 1008767A GB 2053462 A GB2053462 A GB 2053462A GB 2053462 A GB2053462 A GB 2053462A GB 1008767 A GB1008767 A GB 1008767A
Authority
GB
United Kingdom
Prior art keywords
mixture
tocopherols
sterols
watered
alcohol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2053462A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1008767A publication Critical patent/GB1008767A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)

Abstract

Sterols and tocopherols are separated from a mixture consisting of sterols, tocopherols, a monohydric aliphatic alcohol containing from 1 to 6 carbon atoms and fatty acid esters of said alcohol by admixing sufficient water with said mixture to give a watered mixture having a water concentration in the range from 5 to 60% by weight of said watered mixture, establishing and maintaining the temperature of said watered mixture in a range of 0 DEG to 40 DEG C., whereby substantially all of said sterols in the watered mixture crystallize and removing substantially all of said crystallized sterols from said mixture, the liquid remaining comprising a two-phase mixture consisting of an aqueous phase consisting essentially of water and said alcohol and an oil phase consisting essentially of said tocopherols and said fatty acid ester of said alcohol, separating the oil phase from the aqueous phase, and separating the esters from the oil phase to leave a tocopherols concentrate. The initial reaction mixture may be an esterification reaction mixture derived from deodorized sludge which sludge is obtained from vegetable oils. Specification 774,855 is referred to.
GB2053462A 1961-06-01 1962-05-29 Improvements in or relating to sterols and tocopherols Expired GB1008767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11401861A 1961-06-01 1961-06-01

Publications (1)

Publication Number Publication Date
GB1008767A true GB1008767A (en) 1965-11-03

Family

ID=22352903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2053462A Expired GB1008767A (en) 1961-06-01 1962-05-29 Improvements in or relating to sterols and tocopherols

Country Status (1)

Country Link
GB (1) GB1008767A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145418A (en) * 1983-08-17 1985-03-27 Nisshin Oil Mills Ltd Method of separating sterols from deodorisation distillates of oils
US5616735A (en) * 1993-08-06 1997-04-01 Henkel Corporation Recovery of tocopherols
US6011131A (en) * 1998-05-19 2000-01-04 Henkel Corporation Process for the preparation of polyamides
WO2001032682A1 (en) * 1999-11-04 2001-05-10 Kao Corporation Process for the purification of phytosterol from fatty acids and their esters
US6281373B1 (en) 1998-05-19 2001-08-28 Henkel Corporation Process for the preparation of dimeric fatty acid C1-4 alkyl esters
EP2635592B1 (en) 2010-11-03 2017-08-16 Verbio Vereinigte Bioenergie AG Method for obtaining phytosterols and/or tocopherols from residue of a distillation of the esters of vegetable oils, preferably from distillation residue from a transesterification of vegetable oils
CN111849628A (en) * 2020-07-28 2020-10-30 宜春大海龟生命科学有限公司 Method for treating rice bran acidification oil

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145418A (en) * 1983-08-17 1985-03-27 Nisshin Oil Mills Ltd Method of separating sterols from deodorisation distillates of oils
US5616735A (en) * 1993-08-06 1997-04-01 Henkel Corporation Recovery of tocopherols
US5646311A (en) * 1993-08-06 1997-07-08 Henkel Corporation Recovery of tocopherols
US5670669A (en) * 1993-08-06 1997-09-23 Henkel Corporation Recovery of tocopherols
US6011131A (en) * 1998-05-19 2000-01-04 Henkel Corporation Process for the preparation of polyamides
US6281373B1 (en) 1998-05-19 2001-08-28 Henkel Corporation Process for the preparation of dimeric fatty acid C1-4 alkyl esters
WO2001032682A1 (en) * 1999-11-04 2001-05-10 Kao Corporation Process for the purification of phytosterol from fatty acids and their esters
US6762312B1 (en) 1999-11-04 2004-07-13 Kao Corporation Process for purification of phytosterol from fatty acids and their esters
EP2635592B1 (en) 2010-11-03 2017-08-16 Verbio Vereinigte Bioenergie AG Method for obtaining phytosterols and/or tocopherols from residue of a distillation of the esters of vegetable oils, preferably from distillation residue from a transesterification of vegetable oils
CN111849628A (en) * 2020-07-28 2020-10-30 宜春大海龟生命科学有限公司 Method for treating rice bran acidification oil

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