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Production method of edible phospholipid and edible phospholipid obtained through production

A production method and phospholipid technology, applied in the field of oil processing, can solve the problems of increased phospholipid peroxide value, limited product application range, difficult mass production, etc., and achieves low peroxide value, short heating time, and reduced thermal decomposition. the effect of the probability of

Inactive Publication Date: 2018-07-20
山东渤海油脂工业有限公司 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the quality of domestic concentrated soybean lecithin is quite different from that of similar foreign products, mainly because of dark color, high impurity content and low transparency, which makes the added value of domestic concentrated soybean lecithin low, and the product application range is limited, so it can only be used as feed grade phospholipids used
[0003] In order to meet the requirements of food-grade phospholipids, improve the color and transparency of phospholipids, in the prior art, hydrogen peroxide is added to decolorize, so as to solve the problems of dark color and poor transparency of concentrated phospholipids
However, after adding hydrogen peroxide for decolorization, the peroxide value of phospholipids increases, and heat is generated during the decomposition process, which can easily cause color reversion
And, the process of reducing peroxide value in the prior art is slow, and production efficiency is low, is difficult for large-scale production

Method used

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  • Production method of edible phospholipid and edible phospholipid obtained through production

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Comparison scheme
Effect test

Embodiment 1

[0037] The production method of edible phospholipid described in the present embodiment comprises the steps:

[0038] (A) Feed-grade soybean lecithin and n-hexane are mixed in a mixing tank at a mass ratio of 1:3 to form a uniform mixture, and the mixture is filtered through a 60-mesh filter to remove solid impurities, and then enters the membrane filtration system. After being filtered by a 0.1μm membrane, the phospholipid molecules enter the filtrate through the membrane, while the macromolecular substances such as proteins, polysaccharides, bacteria and the remaining very small amount of solid impurities in the solution are intercepted by the membrane, and the filtrate is purified; with the filtration The solution is concentrated, the concentration is increased, and n-hexane is added regularly to dilute to ensure the normal progress of the filtration; the above-mentioned filtration steps are carried out in a cycle, and after 8-10 hours of circulating filtration, most of the ...

Embodiment 2

[0043] The production method of edible phospholipid described in the present embodiment comprises the steps:

[0044] (A) Feed-grade phospholipids and n-hexane are mixed in a mixing tank at a mass ratio of 1:2 to form a uniform mixture, and the mixture is filtered through a 60-mesh filter to remove solid impurities, and then enters the membrane filtration system. After 0.1μm membrane filtration, phospholipid molecules enter the filtrate through the membrane, while the protein, polysaccharide, bacteria and other macromolecular substances in the solution and the remaining very small amount of solid impurities are intercepted by the membrane, and the filtrate is purified; , the solution is concentrated, the concentration is increased, regular addition of n-hexane to dilute to ensure the normal progress of the filtration; the above-mentioned filtration steps are carried out in a cycle, and after 8-10 hours of circulating filtration, most of the phospholipid molecules enter the filt...

Embodiment 3

[0049] This embodiment refers to the production method described in Example 1, the main difference is that in the step (A), the mass ratio of feed grade phospholipid to n-hexane is 1:4.

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Abstract

The invention relates to the technical field of grease processing, in particular to a production method of edible phospholipid and the edible phospholipid obtained through production. The production method of the edible phospholipid comprises the following steps of mixing feed grade phospholipid and a nonpolar solvent into a uniform mixed solution; performing filtering to eliminate macromolecularsubstances, solid impurities and oil ingredients for obtaining filter liquid; concentrating the filter liquid to obtain a concentrated material; adding hydrogen peroxide; performing stirring, decoloring and evaporation; performing molecular distillation treatment to obtain decoloring materials; performing continuous deodorization on the decoloring materials under the vacuum conditions; performingcooling to obtain a finished product. The peroxide value is eliminated through cooperation of evaporation and molecular distillation treatment; the materials cannot be easily oxidized or damaged; thematerial heating time is short; the material thermal decomposition possibility is reduced; under the condition of fast reducing the peroxide value, the color return due to thermal decomposition of peroxides is also avoided, so that the obtained edible phospholipid has good color and luster, high transparency and low peroxide value; the product does not have a color return problem.

Description

technical field [0001] The invention relates to the technical field of oil processing, in particular to a method for producing edible phospholipids and the produced edible phospholipids. Background technique [0002] Phospholipids are a class of lipid compounds with important physiological functions. As a natural food additive, phospholipids are widely used in a huge amount. Concentrated soybean lecithin is mainly a by-product of soybean crude oil processing. Generally, hydrated oil foot is obtained through hydration and degumming, and then the finished product is obtained through dehydration. At present, the quality of domestic concentrated soybean lecithin is quite different from that of similar foreign products, mainly because of dark color, high impurity content and low transparency, which makes the added value of domestic concentrated soybean lecithin low, and the product application range is limited, so it can only be used as feed Grade phospholipids are used. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/10A23J7/00
CPCA23J7/00C07F9/103
Inventor 白长军舒泉先初跃峰丛瑞涛杨小雁王敏张伟王建鲁郭远峰
Owner 山东渤海油脂工业有限公司
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