Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1996-05-31
1998-11-10
Drodge, Joseph W.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210774, 426430, 554 83, B01D 1100, A23L 120
Patent
active
058338586
ABSTRACT:
A method of the concentration of acidic phospholipids is disclosed, which comprises a first step wherein lecithin originating in a plant is treated with a solvent containing from 85 to 100% by weight of a lower alcohol and then eliminating the solvent fraction containing said lower alcohol to thereby give a phospholipid mixture, and a second step wherein said phospholipid mixture is treated by using an aqueous solution containing 75% by weight or less of ethanol.
In the method of the present invention, the water-soluble components contained in the phospholipid mixture obtained in the first step are efficiently removed in the second step. Thus a lipid mixture containing acidic phospholipids at a high concentration can be relatively easily obtained from the lecithin originating in a plant. This lipid mixture is useful as an emulsifier or a taste modifier.
REFERENCES:
patent: 4496489 (1985-01-01), Gupta
patent: 5214171 (1993-05-01), Dijkstra et al.
patent: 5319116 (1994-06-01), Viole et al.
patent: 5362892 (1994-11-01), Umeda et al.
Katsuragi Yoshihisa
Otsuji Kazuya
Umeda Tomoshige
Drodge Joseph W.
Kao Corporation
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