Patent · US Expired

Process for the production of egg yolk with reduced cholesterol content

US5342633A · kind A · utility

16Cited by

6References

28Claims

0Family size

Assignee

SKW Trostberg Aktiengesellschaft · DE

Inventors

Jan Cully · Garching bei München, DE
Heinz-Rudiger Vollbrecht · Cham, DE

Key dates

Filing date	Sep 13, 1993
Grant date	Aug 30, 1994
Priority date	—
Expiry date	Sep 13, 2013

Classification

Technology area (CPC A)Human Necessities
CPC primaryA23V2002/00
WIPO fieldFood chemistry
WIPO sectorChemistry

Abstract

A process for the production of egg yolk with a reduced cholesterol content, wherein PA1 a) the egg yolk is diluted by the addition of water or of an aqueous salt solution, PA1 b) cholesterol and cholesterol esters which are contained in the diluted egg yolk are selectively complexed with .beta.-cyclodextrin, PA1 c) the .beta.-cyclodextrin loaded with cholesterol and/or cholesterol esters are separated from the diluted egg yolk, PA1 d) the added water is removed from the egg yolk, PA1 e) the residual amounts of .beta.-cyclodextrin present in the egg yolk are decomposed enzymatically with the help of .alpha.-amylase and/or PA1 f) the .beta.-cyclodextrin is recovered by treatment with water and/or an alcohol from the .beta.-cyclodextrin complexes and optionally returned to step b).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.