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Preparation method of powdered soybean phospholipids

A technology of soybean lecithin and powder, which is applied in the field of oil processing, can solve the problems of steam consumption, high water consumption and power consumption, complex production process, poor product color, etc., and achieve the effects of reducing solvent loss, good taste and improved appearance

Active Publication Date: 2014-03-26
SANHE HOPEFULL BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the actual production process, the above production processes all have the defects of complex production process, poor product color, large solvent loss, large steam consumption, water consumption and power consumption

Method used

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  • Preparation method of powdered soybean phospholipids

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Refer to the attached figure 1 , the preparation method comprises the steps of pumping the acetone aqueous solution with a volume concentration of 95% in the acetone storage tank into the primary extraction mixing tank by a centrifugal pump according to the volume ratio of the hydration oil foot and the acetone aqueous solution of 1:15; the hydration oil foot It is pumped into the primary extraction tank through a gear pump; the hydrated oil foot and acetone are stirred and mixed in the tank, the pressure in the tank is normal pressure, and the temperature is 15°C. Fully reflux through the gear pump until the phospholipids are suspended in the acetone solution and the small particles are completely dispersed, the time is 30 minutes; start the centrifuge, pump the phospholipid-acetone mixture from the extraction tank into the centrifuge for solid-liquid separation, and the centrifugation time is 50 seconds , and the centrifugation speed was 4000 rpm, and the acetone inso...

Embodiment 2

[0039] Refer to the attached figure 1, the preparation method comprises the following steps, the anhydrous acetone in the acetone storage tank is pumped into the primary extraction stirring tank by the centrifugal pump according to the ratio of hydration oil foot to acetone 1:20; the hydration oil foot is pumped by the gear pump Put it into a primary extraction tank; the hydration oil foot and acetone are thoroughly mixed in the tank by stirring, the pressure in the tank is normal pressure, and the temperature is 20°C. Fully reflux through the gear pump until the phospholipids are suspended in the acetone solution and the small particles are completely dispersed, the time is 120 minutes; start the centrifuge, pump the phospholipid-acetone mixture from the extraction tank into the centrifuge for solid-liquid separation, and the centrifugation time is 2 minutes , and the centrifugation speed was 3000 rpm, and the acetone insoluble matter was collected.

[0040] The liquid phase...

Embodiment 3

[0043] Refer to attached figure 1 , the preparation method comprises the following steps: the acetone aqueous solution with a volume concentration of 90% in the acetone storage tank is pumped into the primary extraction stirring tank by the centrifugal pump according to the ratio of hydration oil foot and acetone 1:1; the hydration oil The foot is pumped into the primary extraction tank through a gear pump; the hydration oil foot and acetone are fully mixed in the tank after stirring, the pressure in the tank is normal pressure, and the temperature is 35°C. Fully reflux through the gear pump until the phospholipids are suspended in the acetone solution and the small particles are completely dispersed, the time is 10 minutes; start the centrifuge, pump the phospholipid-acetone mixture from the extraction tank into the centrifuge for solid-liquid separation, and the centrifugation time is 3 minutes , and the centrifugation speed was 3400 rpm, and the acetone insoluble matter was...

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Abstract

The invention provides a method for preparing powdered soybean phospholipids. The method comprises the following steps: extracting hydrated oil sediments with acetone as a solvent; separating out an insoluble substance of the acetone; and drying the insoluble substance of acetone under low temperature in vacuum. The invention also discloses the powdered soybean phospholipids prepared by the method. The powdered soybean phospholipids have color mush slighter than that of the existing powdered soybean phospholipids, and the peroxide value is less than that of the existing soybean phospholipids.

Description

technical field [0001] The invention belongs to the field of oil processing, and relates to a method for preparing powdered soybean lecithin, in particular to a method for preparing powdered soybean lecithin by using acetone as a solvent. Background technique [0002] Phospholipids are yellow or brown phosphorus-containing lipids that are insoluble in acetone. "Hydrated phospholipid" refers to the yellow thick substance obtained after vegetable crude oil is hydrated and separated during filtration. Hydrated phospholipids are also called "hydrated oil feet" or oil feet in the oil processing industry, and their main components are water, triglycerides and phospholipids. [0003] From the analysis of chemical structure, phospholipids mainly include phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol and phosphatidic acid. At present, the general phospholipid production process at home and abroad is to first remove the water from the "hydration oil foot" or oil...

Claims

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Application Information

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IPC IPC(8): C07F9/10
Inventor 张昭炜
Owner SANHE HOPEFULL BIOTECH
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