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Non-transgenic soybean oil cold pressing preparation process

A non-GMO, soybean oil technology, applied in the field of cold-pressed production technology of non-GMO soybean oil, can solve problems such as harm to health and damage to nutrients, and achieve the effects of eliminating potential hazards, eliminating pollution and reducing the content of impurities

Active Publication Date: 2013-06-05
山东嘉冠粮油工业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and provide a non-transgenic soybean oil cold-pressing production process, which mainly solves the problem of unsaturated fatty acids, VE, lecithin and other nutrients brought by the existing soybean oil pressing process. The ingredients are severely damaged, and there may be problems such as chloropropanol precursors, trans fatty acids and other substances that are harmful to health and additional antioxidants

Method used

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  • Non-transgenic soybean oil cold pressing preparation process

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Effect test

Embodiment 1

[0023] Embodiment 1, a kind of cold-pressing preparation process of non-transgenic soybean oil, adopts the following process steps to realize:

[0024] 1. Selection of raw materials: 1000kg of non-transgenic soybeans with full grains are selected, which are well preserved, free from mold contamination, high in protein content, above 34.0%, the higher the better;

[0025] 2. Selection of raw materials: 1) first pass through vibrating sieve to remove impurities, as well as ash and soil whose diameter is larger than beans; 2) then pass through wind sieve to remove impurities such as grass clippings and other relatively light weight impurities; 3) Impurity removal by specific gravity machine: Send the pre-selected soybean raw materials into the specific gravity removal machine to remove impurities that are similar in volume to soybean particles but different in density, such as sand; 4) Sorting and sorting with machine: remove impurities The soybean raw materials are sent into the...

Embodiment 2

[0033] Embodiment 2, with embodiment 1, difference is that in step 4, when the crude oil output rate reaches 12%, promptly stop pressurization, and this moment bean cake residual oil is generally 6.0%, and this process produces about 110kg of soybean crude oil, Soybean meal is about 890kg; the irradiation dose in step 7 is 400 J / m 2 , the irradiation time is 5 seconds; in step 8, the processed soybean oil obtained in the previous step is heated to 100°C for standby; the heating device of the vacuum tank is turned on so that the temperature in the tank is maintained at 100°C; the vacuum pump is started to make the absolute temperature in the vacuum tank The pressure drops below 400Pa; open the feed valve, and slowly inhale the heated soybean oil, so that the heated soybean oil instantly boils and removes the beany smell; control the feed amount, and keep the temperature of the feed liquid in the vacuum tank at 100°C No more than 400Pa; after the feeding is completed, keep the o...

Embodiment 3

[0034] Embodiment 3, with embodiment 1, difference is that in step 4, when the crude oil output rate reaches 10%, promptly stop pressurization, and this moment bean cake residual oil is generally 7.5%, and this process produces about 96kg of soybean crude oil, Soybean meal is about 900kg; the irradiation dose in step 7 is 200 J / m 2 , the irradiation time is 15 seconds; in step 8, the processed soybean oil obtained in the previous step is heated to 90°C for standby; the heating device of the vacuum tank is turned on so that the temperature in the tank is maintained at 90°C; the vacuum pump is started to make the absolute temperature in the vacuum tank The pressure drops below 400Pa; open the feed valve, and slowly inhale the heated soybean oil, so that the heated soybean oil instantly boils to remove the beany smell; No more than 400Pa; after the feeding is completed, keep the operating conditions unchanged and continue to process for 5 minutes.

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Abstract

The invention discloses a non-transgenic soybean oil cold pressing preparation process which is characterized by including the steps of raw material selection and polishing and dehulling, pressing moisture adjustment, pressing and residual oil control, crude oil filtering, removal of lipoxygenase by hyperfiltration and removal of beany flavor by bumping in vacuum at the low temperature. Non-transgenic soybeans serving as raw materials eliminates potential hazard possibly caused by transgenic raw materials, and using the physical cold pressing technology enables a product to be free from organic solvent residues, eliminates contamination of aflatoxin on the raw materials and biological factors resulting in deterioration during soybean oil storage, effectively removes the beany flavor and other peculiar smell in soybean oil and is rich in natural antioxidants such as VE (vitamin E) and the like so that extra antioxidants do not need to be added during oil storage.

Description

Technical field: [0001] The invention relates to the technical field of soybean oil processing, in particular to a process for preparing non-transgenic soybean oil by cold pressing. Background technique: [0002] Soybean oil is an indispensable edible oil in people's daily life. It is mainly used for cooking, frying, frying, frying, etc. The consumption is very large. The safety and nutritional value of soybean oil are becoming more and more popular . [0003] At present, soybean oil products mainly have the following potential safety hazards: [0004] 1. Unsafe factors caused by raw material issues. At present, most soybean oil production uses genetically modified soybeans, which leads to potential food safety hazards in the products; [0005] 2. Unsafe factors brought by solvent extraction process. At present, soybean oil production generally adopts solvent extraction process with high degree of mechanization and high oil yield. The soybean oil produced by this process h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/04C11B1/06C11B1/00
Inventor 杜永霞李兆祥王晓飞高莹安宁刘鹏莉
Owner 山东嘉冠粮油工业集团有限公司
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