Title:
RECOVERY OF TOCOPHEROLS AND STEROLS
Document Type and Number:
Japanese Patent JP2648450
Kind Code:
B2
Abstract:
PURPOSE: To recover tocopherols and sterols from natural, especially vegetable, sources.
CONSTITUTION: This is the separation method of tocopherols and sterols from deodorizer sludges by distillation of these deodorizer sludges, in that prior to the distillation the sterols present in the deodrizer sludge are esterified with the fatty acids which are also present, the resulting mixture is distilled to obtain residual fatty acids and subsequently obtain tocopherols, whereby the sterol esters formed in the esterification remain in the residue of this distillation, and then the tocopherols are isolated from the distillate and the sterols, after cleavage of their esters, are isolated from the distillation residue.
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Inventors:
KURISUCHAN FUIZE
Application Number:
JP3423494A
Publication Date:
August 27, 1997
Filing Date:
February 08, 1994
Export Citation:
Assignee:
EFU HOFUMAN RA ROSHU AG
International Classes:
B01D3/00; C07D311/72; C07J9/00; C07J75/00; (IPC1-7): C07D311/72; B01D3/00; C07J9/00; C07J75/00
Attorney, Agent or Firm:
Heiyoshi Odashima
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