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Method used for preparing soybean oil through enzymatic hydrolysis

A technology of soybean oil and enzymatic hydrolysis, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems that cannot be used with high added value, can only be used as feed or fertilizer, and soybean meal has a high degree of denaturation. Achieving favorable effects of hydrolysis, good transparency and strong smell

Inactive Publication Date: 2018-07-13
凤阳县金祥粮油食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Organic solvent extraction oil extraction rate is relatively high, but organic solvent residues, long-term consumption will cause harm to human health, and after oil extraction, soybean meal can only be used as feed or fertilizer, which limits the utilization of resources; hot pressing However, due to high-temperature processing, the oil produces harmful substances such as trans fatty acids and oil polymers. After oil extraction, the soybean meal has a high degree of denaturation and cannot be used for high added value. Indirectly increased production costs

Method used

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  • Method used for preparing soybean oil through enzymatic hydrolysis

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Embodiment 1

[0019] A method for preparing soybean oil by enzymatic hydrolysis, comprising the following steps:

[0020] (1) Preparation of soybean powder: Soak soybeans in an amino acid solution with a mass fraction of 3.5-5.5 for 15-20 minutes, then take them out, drain them, and fumigate the drained soybeans with steam for 10-12 minutes, and then fumigate them The finished soybeans are put into an oven for drying treatment, dried until the water content reaches 10%, and then crushed to obtain soybean powder;

[0021] (2) Preparation of soybean slurry: Add 40-50% of the mass of distilled water to the soybean powder prepared in step (1), stir at 1500r / min for 10 minutes, and then add 500W microwave with 2.1-2.3% of the mass of soybean powder Process the chestnut starch for 15s, and continue to stir for 15min to obtain soybean slurry;

[0022] (3) Enzyme treatment: Weigh the compound enzyme according to 1.2-1.5% of the mass of the soybean slurry, add distilled water 5-7 times its mass to ...

Embodiment 2

[0032] A method for preparing soybean oil by enzymatic hydrolysis, comprising the following steps:

[0033] (1) Preparation of soybean powder: Soak soybeans in an amino acid solution with a mass fraction of 3.5-5.5 for 15-20 minutes, then take them out, drain them, and fumigate the drained soybeans with steam for 10-12 minutes, and then fumigate them The finished soybeans are put into an oven for drying treatment, dried until the water content reaches 10%, and then crushed to obtain soybean powder;

[0034] (2) Preparation of soybean slurry: Add 40-50% of the mass of distilled water to the soybean powder prepared in step (1), stir at 1500r / min for 10 minutes, and then add 500W microwave with 2.1-2.3% of the mass of soybean powder Process the chestnut starch for 15s, and continue to stir for 15min to obtain soybean slurry;

[0035] (3) Enzyme treatment: Weigh the compound enzyme according to 1.2-1.5% of the mass of the soybean slurry, add distilled water 5-7 times its mass to ...

Embodiment 3

[0045] A method for preparing soybean oil by enzymatic hydrolysis, comprising the following steps:

[0046] (1) Preparation of soybean powder: Soak soybeans in an amino acid solution with a mass fraction of 3.5-5.5 for 15-20 minutes, then take them out, drain them, and fumigate the drained soybeans with steam for 10-12 minutes, and then fumigate them The finished soybeans are put into an oven for drying treatment, dried until the water content reaches 10%, and then crushed to obtain soybean powder;

[0047] (2) Preparation of soybean slurry: Add 40-50% of the mass of distilled water to the soybean powder prepared in step (1), stir at 1500r / min for 10 minutes, and then add 500W microwave with 2.1-2.3% of the mass of soybean powder Process the chestnut starch for 15s, and continue to stir for 15min to obtain soybean slurry;

[0048] (3) Enzyme treatment: Weigh the compound enzyme according to 1.2-1.5% of the mass of the soybean slurry, add distilled water 5-7 times its mass to ...

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Abstract

The invention discloses a method used for preparing soybean oil through enzymatic hydrolysis, and belongs to the technical field of grain and oil. The method comprises following steps: 1, soybean powder is prepared; 2, soybean slurry is prepared; 3, enzyme treatment is carried out; 4, low pressure plasma treatment is carried out; and 5, cold pressing is carried out. The method is capable of avoiding generation of harmful substances such as trans-fatty acids and grease polymers in grease; denaturation of soybean meal obtained via oil extraction is avoided, and high added value utilization can be realized; the prepared soybean oil is thick in fragrance, is red and yellow in color, and is high in transparency.

Description

technical field [0001] The invention belongs to the technical field of grain and oil, and in particular relates to a method for preparing soybean oil by an enzymatic hydrolysis method. Background technique [0002] The current conventional industrial oil production methods continue to use the traditional hot pressing process and organic solvent extraction. Although these two oil extraction processes have high oil extraction efficiency, they all have their own disadvantages. Organic solvent extraction oil extraction rate is relatively high, but organic solvent residues, long-term consumption will cause harm to human health, and after oil extraction, soybean meal can only be used as feed or fertilizer, which limits the utilization of resources; hot pressing However, due to high-temperature processing, the oil produces harmful substances such as trans fatty acids and oil polymers. After oil extraction, the soybean meal has a high degree of denaturation and cannot be used for hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/02C11B1/04C11B1/06C11B3/00
CPCC11B1/025C11B1/04C11B1/06C11B3/001
Inventor 陈昌全
Owner 凤阳县金祥粮油食品有限公司
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