PREVENTION OF MCPD FORMATION BY HIGH TEMPERATURE WASHING
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United States of America Patent
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Issued Date -
Aug 3, 2023
app pub date -
May 26, 2021
filing date -
May 28, 2020
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Abstract
A method is provided for preventing or reducing the formation of monochloropropanediols (MCPDs) or monochloropropanediol esters (MCPDEs) in triacylglyceride oil, comprising the steps: (a) admixing the triacylglyceride oil with a liquid to form an admixture, wherein said liquid is selected from one or more of water, acid solution, base solution, phospholipid solution, 5 and surfactant solution; (b) optionally homogenizing the admixture; (c) performing one or more of the following steps 1. heating the admixture while homogenizing; and 2. heating the admixture; (d) cooling the admixture to under 100° C.; (e) optionally concentrating the insoluble and crystallized components from the admixture 1. by applying a centrifugational force to the admixture; and/or 2. by allowing insoluble and crystallized components in the admixture to 10 settle by gravity; (f) separating aqueous insoluble phase and crystallized components from the admixture and/or applying one or more processes to the admixture selected from degumming, physical refining, chemical refining, neutralization, interesterification, bleaching, dewaxing and fractionation. (g) applying heat treatment to the admixture.
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