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Preparation technique of granular phospholipid

A preparation process and granular technology, applied in the field of chemical engineering, can solve the problems of small specific surface area, excessive acetone solvent residue, difficult to dissolve and disperse, etc., and achieve the effect of large wetting surface area.

Active Publication Date: 2013-11-20
北京美亚斯磷脂技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] CN1270030A discloses a method for directly preparing high-purity granular phospholipids with concentrated phospholipids. After the method degreases the concentrated phospholipids with acetone, wet extrusion granulation, the phospholipids obtained by extrusion are compact and have a smooth surface. Therefore, this The specific surface area of ​​this kind of particle is small, it sinks to the bottom quickly when it is added to the liquid, it is not easy to dissolve and disperse, and after extrusion granulation, the acetone wrapped inside the particle is not easy to escape and dry, which will easily cause the residual acetone solvent to exceed the standard, or need to be replaced High drying temperature or longer drying time

Method used

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  • Preparation technique of granular phospholipid

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Experimental program
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Embodiment 1

[0029] Embodiment 1: A kind of preparation technology of granular phospholipid.

[0030] Step 1: Weigh 10 kg of viscous liquid soybean lecithin, and its acetone insoluble content is 62.8%, (the raw material comes from Solea viscous liquid lecithin represented by Guangzhou Huahui Biological Industry Co., Ltd.).

[0031] a Add 80 liters of acetone to the stirring tank, start stirring, slowly add the viscous liquid soybean lecithin in a trickle, and stir vigorously for 30 minutes;

[0032] b The solid-liquid separation of the mixed material obtained in step a, the liquid part recycling, the solid part replacing the viscous liquid soybean lecithin in step a and repeating the operation of steps a and b for 6 times to obtain 8.2 kg of wet lecithin with an acetone content of 28wt%.

[0033] The second step: move the wet phospholipids into a kneader, add 250ml of 3wt% shellac acetone solution, stir and knead into lumps.

[0034] Step 3: Add the soft lumpy wet phospholipids to the sha...

Embodiment 2

[0036] Embodiment 2: A preparation process of granular phospholipids.

[0037] Weigh 10 kg of viscous liquid soybean lecithin, and its acetone insoluble matter is 62.1% (the raw material comes from ADM viscous liquid lecithin represented by Beijing Xuri Haoyang Trading Co., Ltd.).

[0038] a Add 120 liters of acetone in the stirring tank, start stirring, slowly add the viscous liquid soybean lecithin in a trickle, and stir and mix for 20 minutes;

[0039] b The mixture material obtained in step a is separated from solid to liquid, the liquid part is recycled, and the solid part replaces the viscous liquid soybean lecithin in step a and repeats the operation of steps a and b for 6 times to obtain 7.8 kilograms of wet lecithin with an acetone content of 25wt%.

[0040] The second step: move the wet phospholipids into a kneader, add 375ml of 3wt% shellac acetone solution, stir and knead into lumps.

[0041]Step 3: Add the soft lumpy wet phospholipids to the shaking granules cont...

Embodiment 3

[0043] Embodiment 3: A preparation process of granular phospholipids.

[0044] A preparation process of granular phospholipids, which weighs 10 kg of viscous liquid soybean lecithin, and its acetone insoluble content is 60.7% (the raw material comes from the viscous liquid phospholipid of Cargill Food (Tianjin) Co., Ltd.)

[0045] a Add 150 liters of acetone in the stirring tank, start stirring, slowly add the viscous liquid soybean lecithin in a trickle, stir and mix for 20 minutes;

[0046] b The solid-liquid separation of the mixed material obtained in step a, the liquid part recycling, the solid part replacing the viscous liquid soybean lecithin in step a and repeating the operation of steps a and b for 6 times to obtain 8.1 kg of wet lecithin with an acetone content of 31wt%.

[0047] The second step: move the wet phospholipid into a kneader, add 760ml of 3wt% shellac acetone solution, stir and knead into a lump.

[0048] Step 3: Add the soft blocky wet phospholipids to ...

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Abstract

The invention discloses a preparation technique of granular lecithin, which comprises the following steps: removing oil from the raw material viscous liquid soybean phospholipid with acetone, carrying out solid-liquid separation to obtain acetone-containing phospholipid, adding a shellac solution, stirring, kneading, granulating, and drying in vacuum to prepare the granular phospholipid. The phospholipid granules have rough surface, loose texture and relatively larger specific area, and can be quickly dissolved and dispersed in water. The total phospholipid content in the instant granular phospholipid prepared by the method disclosed by the invention is not less than 95%; and the granular phospholipid is irregular cylinders with rough surface and loose texture, wherein the diameter and length are about 0.5-3 mm. Therefore, the granular phospholipid has larger wetted surface area, and has the characteristics of high dissolution speed and high purity.

Description

technical field [0001] The invention belongs to the granulation technology in the field of chemical engineering, and relates to a preparation process of high-purity instant granular phospholipids. Background technique [0002] Phospholipids are a general term for a class of fats containing phosphorus, nitrogen, and sulfur. Serine), a mixture of components such as sphingomyelin. Phospholipids widely exist in animals and plants, for example, soybeans, poultry yolk, animal liver, brain, etc. We can extract phospholipids from these substances. However, plant phospholipids have the widest source and the most economic value. At present, the phospholipids extracted from soybeans are widely used in the market, called soybean phospholipids. The cumbersome extraction process of egg yolk phospholipids, higher raw material costs and other factors determine that the cost of egg yolk phospholipids is much higher than that of soybean phospholipids. [0003] Soybean lecithin (viscous liq...

Claims

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Application Information

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IPC IPC(8): A23J7/00A23P1/04A23P10/22
Inventor 郭静陈义刚杨国强张敏殷斯亮付永欢
Owner 北京美亚斯磷脂技术有限公司
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