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A method for producing food-grade soybean concentrated phospholipids by centrifugation

A soybean concentrated phospholipid, food-grade technology, applied in the direction of edible phospholipid composition, protein food ingredients, applications, etc., can solve problems such as unhygienic, turbid and opaque appearance of products, and achieve obvious economic benefits

Inactive Publication Date: 2012-02-01
上海圣得生物工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, other indicators of domestic soybean concentrated phospholipid products can reach the level of Table 1, only HI is relatively high, generally about 0.3%, which is much higher than the indicators of similar foreign products. It can only be used for feed grade, and the price is about 4,000 yuan / ton, which is much lower than the price of food grade products, which is 16,000 yuan / ton

Method used

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  • A method for producing food-grade soybean concentrated phospholipids by centrifugation
  • A method for producing food-grade soybean concentrated phospholipids by centrifugation
  • A method for producing food-grade soybean concentrated phospholipids by centrifugation

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Get 1000kg feed grade soybean concentrated phospholipids as raw material, its HI=0.16%, add 3M 3 n-Hexane was stirred and dissolved at room temperature. After dissolution, the feed liquid is added to the butterfly centrifuge with a quantitative pump, and the flow is controlled to make the effluent clear and transparent. The effluent is collected. After conventional desolventization and decolorization, the appearance of the product is light and transparent, HI=0.009%, other The quality indicators all reached the range specified in Table 1 and Table 2.

Embodiment 2

[0027] Get 1000kg feed grade soybean concentrated phospholipids as raw material, its HI=1%, add 4M 3 n-Hexane was stirred and dissolved at room temperature. After dissolving, the feed liquid is added to the horizontal screw decanter centrifuge with a quantitative pump, and the effluent is then added to the butterfly centrifuge in series to control the flow rate so that the final effluent is clear and transparent. The effluent is collected and subjected to conventional precipitation and decolorization. The appearance of the product is light and transparent, HI=0.007%, and other quality indicators all meet the ranges specified in Table 1 and Table 2.

Embodiment 3

[0029] Get 1000kg feed grade soybean concentrated phospholipids as raw material, its HI=0.4%, add 4M 3 n-Hexane was stirred and dissolved at room temperature. After dissolution, the feed liquid is added to the three-legged sedimentation centrifuge with a quantitative pump, and the effluent is added to the tubular centrifuge in series to control the flow rate so that the final effluent is clear and transparent, and the effluent is collected. After conventional desolventization and decolorization, its The appearance of the product is light and transparent, HI=0.007%, and other quality indicators all meet the ranges specified in Table 1 and Table 2.

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Abstract

The invention relates to the technical field of soybean phospholipids, in particular to a method for producing concentrated food-grade soybean phospholipids by centrifugation. The concentrated feed-grade soybean phospholipids are used as raw materials, dissolved in non-polar solvents such as n-hexane and continuously pumped into a centrifuge . Under the action of strong centrifugal force, the solid impurity particles contained in the feed liquid quickly settle on the wall of the centrifuge, realizing solid-liquid separation; the clarified liquid flowing out of the centrifuge adopts conventional vacuum precipitation and hydrogen peroxide decolorization, that is, the obtained light color , hexane insoluble matter (HI) less than 0.05%, food-grade soybean concentrated phospholipid with good transparency. Compared with the prior art, the present invention is successful in an industrial-scale device, and the quality of the produced soybean concentrated phospholipid products all meet the quality standards in Table 1, and also reach the hygienic standards for edible soybean concentrated phospholipids in my country. The present invention is characterized in that the centrifugal sedimentation method is used to replace the conventional filtration method, so that the most difficult "impurity removal" in the production of soybean concentrated phospholipids is industrially realized.

Description

[technical field] [0001] The invention relates to the technical field of soybean phospholipids, in particular to a method for producing food-grade soybean concentrated phospholipids by centrifugation. [Background technique] [0002] Soybean concentrated phospholipid is a by-product of the hydration and degumming process of soybean crude oil. Its main components are phospholipids [including lecithin (PC), cephalin (PE) and inositol phospholipid (PI), etc.], soybean oil and a small amount of glycolipids and other mixtures . Because soybean lecithin is a good performance, pure natural and safe surfactant, it has been widely used in the food processing industry. In addition, phospholipids play an important role in human life activities, and have certain effects in preventing and treating modern civilization diseases such as cardiovascular disease, fatty liver, hypertension and Alzheimer's disease. Therefore, the production of food-grade soybean concentrated phospholipids has a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23J7/00
Inventor 陆文达李剑英陈光华
Owner 上海圣得生物工程技术有限公司