Process for obtaining yolk lecithin from raw egg yolk

Details Process for obtaining yolk lecithin from raw egg yolk Process for obtaining yolk lecithin from raw egg yolk

1978-07-28

1979-06-05

Caroff, Marc L.

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

426471, 426472, 426490, 426614, A23L 128

Patent

active

041574044

ABSTRACT:
A process for obtaining yolk lecithin from a raw egg yolk which comprises subjecting a raw egg yolk to extraction with liquid dimethyl ether to obtain an extract and dehydrating the extract to an extent that the water content is not more than 20% by weight, whereby a lecithin-rich fraction is obtained as a separate phase from a neutral lipids-fraction. The isolated lecithin-rich fraction may further be subjected to a second-stage dehydration to give a product in which the lecithin content is as high as 50 to 85% by weight and the water content is very small, for example, below 2 to nearly 0% by weight. By the process of the present invention, there can be obtained a high quality lecithin in high yield.

REFERENCES:
patent: 864219 (1907-08-01), Worner
patent: 2013804 (1935-09-01), Klein et al.
patent: 3795750 (1974-03-01), Levine

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