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Method for synchronously producing natural soybean cream and polypeptide by adopting aqueous enzymatic method

A water enzymatic method, soybean technology, applied in the field of extraction and processing of vegetable oil and protein, can solve problems such as environmental pollution, protein denaturation, toxic and harmful solvent residues, etc., and achieve the effect of simple process and equipment, and low cost.

Active Publication Date: 2015-01-21
厦门元之道生物科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

The former has a very high lipid extraction rate (>99%), but there are problems of toxic and harmful solvent residues and environmental pollution; the oil obtained by the latter retains many soybean nutrients, but the lipid extraction rate is not high, and the oil is pressed After the protein denaturation is serious, it is difficult to develop and utilize

Method used

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  • Method for synchronously producing natural soybean cream and polypeptide by adopting aqueous enzymatic method
  • Method for synchronously producing natural soybean cream and polypeptide by adopting aqueous enzymatic method
  • Method for synchronously producing natural soybean cream and polypeptide by adopting aqueous enzymatic method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Soak 200g of soybeans for 18 hours, peel them, add water to a total weight of 2000g, beat with a mixer at room temperature, the stirring speed is 15000rpm, the beating time is 7min, the slurry is filtered to remove slag, and obtain soybean milk I and bean dregs I, and bean dregs I are 1: 3 Add water and stir to mix, leaching for 2 hours, and then filter to obtain soybean milk II and soybean dregs II, mix the above obtained soybean milk I and soybean milk liquid II, and put them in a boiling water bath for 10 minutes to obtain soybean milk III;

[0036]Soymilk III was injected into the enzymolysis tank, the temperature was adjusted to 50°C, the pH value was adjusted to 8.0 with 6M sodium hydroxide solution, and the temperature was kept constant for 15 minutes. When the pH of the solution no longer changes, add alkaline protease for enzymolysis. Enzymolysis conditions: add enzyme 2% (protease is 2% of the solid content of soybean milk III), stirring speed 100 rpm, enzymoly...

Embodiment 2

[0038] 200 g of soybeans were soaked at 60-70° C. for 2-3 hours, and then peeled off. The following process was the same as in Example 1.

Embodiment 3

[0040] The specific process is the same as in Example 1, except that the mixing with the bean dregs I washing solution (soymilk II) is omitted, and only the soymilk I is hydrolyzed.

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Abstract

The invention provides a method for synchronously producing natural soybean cream and polypeptide by adopting an aqueous enzymatic method, and belongs to the technical field of extraction and processing of vegetable fat and protein. According to the method, non-transgenic soybeans are used as raw materials; firstly, the non-transgenic soybeans are immersed to be subjected to peeling pretreatment; then the non-transgenic soybeans are wetly grinded and filtered to obtain soybean milk; after the soybean milk is properly treated, protease is added for carry out enzymolysis; and then centrifuging and separation are carried out to obtain the soybean cream and a polypeptide solution. According to the method, needed equipment is simple and the operation is easy and convenient; the obtained soybean cream has a high nutritional value and has no organic solvent residues and other food additives; and meanwhile, a product enriched with the soybean polypeptide is also obtained. The obtained soybean cream has a huge potential application value in the fields of daily chemical products (skin moisturizing, nutritional supplement and the like), coffee mate, milk tea, salad cream, mayonnaise, ice products and the like.

Description

technical field [0001] The invention relates to a method for synchronously preparing natural soybean butter and polypeptide by an aqueous enzymatic method, in particular to a method for synchronously extracting oil and polypeptide from soybeans and obtaining soybean butter and polypeptide with different water contents, belonging to vegetable oil and protein The field of extraction and processing technology. Background technique [0002] Soybean processing can be mainly divided into two fields: 1) soybean oil extraction and the processing and utilization of its by-product defatted soybean meal; 2) production of traditional soybean products. Both fields require appropriate pretreatment of soybeans: the former requires dry pretreatment of soybeans such as pressing, extrusion, and crushing, while the latter usually uses wet pretreatment such as soaking. [0003] Soybean oil extraction is a very important field of soybean processing, mainly using organic solvent extraction and m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/19C12P21/06A23L9/20
CPCA23L9/24C12P21/06
Inventor 陈业明应玉桑华欲飞孔令知孔祥珍张彩猛
Owner 厦门元之道生物科技有限公司
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