Process for manufacturing vegetable lysolecithins

Details Process for manufacturing vegetable lysolecithins Process for manufacturing vegetable lysolecithins

1998-04-08

1999-09-21

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing nitrogen-containing organic compound

435134, 435198, C12P 1300, C12P 764, C07F 910

Patent

active

059553278

ABSTRACT:
In accordance with the present invention, there is provided a process for manufacturing vegetable lysolecithins which comprises allowing a hydrolysis enzyme consisting of phospholipase A.sub.1 or A.sub.2 to act on a hydrated lecithin used as a starting material, then adding for stirring to the resultant lysolecithin solution acetone in a proportion on a volume basis of either 1 to 4, or 5 or more, against the water contained in said resultant lysolecithin solution to thereby either float or precipitate the lysolecithin phase, then separating out said lysolecithin phase, followed by repetition of the acetone extraction procedure to separate for removal free fatty acids by-produced in the said lysolecithin production reaction as well as oil-soluble impurities originated from the starting material.
The process of the present invention can produce high-quality vegetable lysolecithins with reduced discoloration and improved flavor in increased yields.

REFERENCES:
patent: 4220551 (1980-04-01), Orthoefer
patent: 4221731 (1980-09-01), Short et al.
patent: 4399224 (1983-08-01), Flider et al.
patent: 5160759 (1992-11-01), Nomura et al.
patent: 5716814 (1998-02-01), Yesair
APS Computer Abstract Yoshitomi et al JP 63-302929 "Production of Emulsifier Composition", Dec. 9,1988.
APS Computer Abstract EGI et al JP 62-279832 "Manufacture of Emulsifying Agent", Dec. 4, 1987.

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