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Method for physically refining soybean crude oil and synchronously preparing soybean concentrated phospholipids employing enzymatic degumming

A technology of soybean concentrated phospholipid and physical refining, which is applied in the directions of edible phospholipid composition, fat oil/fat refining, fat production, etc., can solve problems such as waste, and achieve the effects of saving energy consumption, reducing environmental impact, and improving economic benefits

Active Publication Date: 2014-05-07
SHANDONG GAOTANG LANSHAN GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, phospholipids in oily feet have high nutritional value and are good raw materials for health food. In terms of resource utilization, it is undoubtedly a huge waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0034] The method for synchronously producing soybean concentrated lecithin by enzymatic degumming and physically refining soybean crude oil of the present invention comprises the following steps:

[0035] ①Take soybean crude oil, add 0.15% citric acid of soybean crude oil weight, homogenize for 30 minutes, and keep warm for 30 minutes.

[0036] ②Add 0.3‰ of phospholipase A2, 0.5‰ of protease and 0.5‰ of amylase in the homogenized crude soybean oil, and homogenize for 1 hour, so that the phosphorus content of the degummed oil is below 10ppm.

[0037] ③Let stand the homogenized crude oil in step ② for 2 hours, centrifuge at a speed of 7200r / min, and centrifuge for 2-5 s to obtain degummed oil and oil foot respectively;

[0038] ④The degummed oil obtained by centrifugation in step ③ is added with 1.5% clay by weight and 3% activated carbon for adsorption and decolorization. The decolorization time is 25 minutes. After the filtration process, deacidification, deodorization and se...

Embodiment 2

[0042] The method for synchronously producing soybean concentrated lecithin by enzymatic degumming and physically refining soybean crude oil of the present invention comprises the following steps:

[0043] ① Take crude soybean oil, add 1% citric acid, homogenize for 30 minutes, and keep warm for 30 minutes.

[0044] ②Add 0.2‰ of phospholipase A2, 0.1‰ of protease and 0.1‰ of amylase in the homogenized crude soybean oil, and homogenize for 2 hours to make the phosphorus content of the degummed oil below 10ppm.

[0045] ③Let stand the homogenized crude oil in step ② for 3 hours, centrifuge at a speed of 7200r / min, and centrifuge for 2-5 s to obtain degummed oil and oil foot respectively;

[0046]4. The degummed oil obtained by centrifugation in step 3. is added with 2% clay by weight and 1% activated carbon for adsorption and decolorization. The decolorization time is 20 minutes. After the filtration process, deacidification, deodorization and separation of fatty acids are carri...

Embodiment 3

[0050] The method for synchronously producing soybean concentrated lecithin by enzymatic degumming and physically refining soybean crude oil of the present invention comprises the following steps:

[0051] ① Take crude soybean oil, add 0.05% citric acid, homogenize for 40 minutes, and keep warm for 40 minutes.

[0052] ② Add 05101 degumming enzyme to the homogenized crude soybean oil, treat it for 0.5-2 hours, and filter through ultrafiltration membrane for degumming.

[0053] ③Let stand the homogenized crude oil in step ② for 1.5 hours, centrifuge at a speed of 7200r / min, and centrifuge for 2-5 s to obtain degummed oil and oil foot respectively;

[0054] ④The degummed oil obtained by centrifugation in step ③ is added with 1% clay and 0.5% activated carbon for adsorption and decolorization. The decolorization time is 20-30 minutes. After the filtration process, deacidification, deodorization and separation are carried out by distillation fatty acids, to obtain soybean oil.

...

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Abstract

The invention discloses a method for physically refining soybean crude oil and synchronously preparing soybean concentrated phospholipids employing enzymatic degumming. The method comprises the following steps: (1) taking soybean crude oil, and adding a citric acid to homogenize; (2) adding phospholipase and / or degummase to the homogenized soybean crude oil to homogenize; (3) stewing the crude oil homogenized in the step (2) for 1.5-3 hours, and then centrifugally separating, so as to obtain degummed oil and residues; (4) carrying out decolorizing, deodorizing and deacidifying on the degummed oil which is centrifugally separated in the step (3), so as to obtain product oil; (5) adding an organic solvent to remove neutral oil in the residues which are centrifugally separated in the step (3). By adopting enzymatic degumming, not only is a water resource saved, but also the produced product oil and residues are low in moisture, the quality of the phospholipids is easily controlled, and the product is stable in quality. Thus, the economic benefits are greatly improved.

Description

technical field [0001] The invention relates to the technical field of edible oil refining, in particular to a method for synchronously producing concentrated soybean phospholipids by enzymatically degumming and physically refining soybean crude oil. Background technique [0002] The existence of non-hydratable phospholipids in vegetable oils has brought a lot of trouble to oil refining. The traditional refining method is to degumming soybean crude oil with water. During the refining process, a large number of oil feet are produced. The soybean oil feet are disposed of as waste at a low price. Not only Cause environmental pollution, and, cause serious waste. At the same time, during the washing process, a large amount of sewage is produced, which must be treated by the sewage treatment station before being discharged up to the standard, which increases the economic burden of sewage treatment for enterprises. With the continuous expansion of the production scale of enterpris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00A23J7/00
Inventor 许兰山许振国穆洪静高剑殷广军杜曰庆
Owner SHANDONG GAOTANG LANSHAN GRP CORP
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