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A kind of γ-oryzanol embedding solution and preparation method and instant milk powder and preparation method

An oryzanol and embedding solution technology, applied in the directions of vitamin-containing food ingredients, dairy products, milk preparations, etc., can solve the problems of low γ-oryzanol content, floating γ-oryzanol, low emulsifier content, etc., and achieves low heat sensitivity loss. , the effect of high activation energy and low cost

Active Publication Date: 2022-05-31
西安华企众信科技发展有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But due to the low content of gamma-oryzanol, it is difficult to mix it well
Especially when γ-oryzanol is mixed into milk, since the protein in the milk is easily denatured under high pressure, the homogenization pressure of the milk is generally below 20MPa, and the emulsifier content in the milk is also very low. Under normal circumstances, γ-oryzanol cannot be dispersed stably, and it is easy to float or agglomerate γ-oryzanol in the subsequent processing, which will affect the quality of milk powder

Method used

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  • A kind of γ-oryzanol embedding solution and preparation method and instant milk powder and preparation method
  • A kind of γ-oryzanol embedding solution and preparation method and instant milk powder and preparation method
  • A kind of γ-oryzanol embedding solution and preparation method and instant milk powder and preparation method

Examples

Experimental program
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Effect test

preparation example Construction

[0047] The preparation method of the γ-oryzanol aqueous solution is as follows: mixing 50g γ-oryzanol and 25g ascorbyl palmitate in a high-purity nitrogen atmosphere, then adding 1kg of water, heating to 80° C., then adding 25g ascorbyl palmitate, At 80°C, with a stirring speed of 20 r / min, keep stirring for 3 minutes, and after cooling to 50°C, continue to keep stirring for 25 minutes at 50°C with a stirring speed of 20 r / min, and adjust the pH value of the solution to 5.0 to obtain Aqueous solution of γ-oryzanol 1.

[0048] The preparation method of the wall material liquid is as follows: add 100 g of dextrin, 80 g of maltodextrin and 80 g of soluble starch to 1 kg of water, and under 25 MPa, homogenize for 5 minutes to obtain wall material liquid 1.

[0049] A kind of preparation method embodiment 1 of γ-oryzanol embedding solution

[0050] Mix 1.1 kg of γ-oryzanol aqueous solution 1 with a heated temperature of 60° C. and 1.26 kg of wall material solution 1, and homogeniz...

Embodiment 1

[0054] Made from 7.5kg of fresh milk and 2.36kg of γ-oryzanol Embedding Solution 1.

[0055] A kind of preparation method embodiment 1 of instant milk powder

[0056] 7.5kg of fresh milk and 2.36kg of γ-oryzanol embedding solution 1 were mixed and homogenized at 25MPa for 15min, sterilized at 75°C for 20min, and concentrated to 25% of the total mass at 35°C and 65Pa. The material speed is 8kg / h, the air inlet temperature is 230℃, the air outlet temperature is 110℃, and the wind speed is 3.8m 3 / min, spray drying, freeze for 35 min at -15°C, seal and perform ball milling and ultra-fine pulverization to an average particle size of 15 μm at a feeding rate of 15kg / h at -15°C to obtain instant milk powder 1.

[0057] A kind of γ-oryzanol embedding solution embodiment 2

[0058] Homogenized by 1.1kg γ-oryzanol aqueous solution and 1.18kg wall material liquid; Described γ-oryzanol aqueous solution is formed by mixing 60g γ-oryzanol, 40g dibutylhydroxytoluene and 1kg water; Describe...

Embodiment 2

[0062] Mix 1.1 kg of γ-oryzanol aqueous solution 2 with a heated temperature of 90° C. and 1.18 kg of wall material liquid 2, and homogenize for 7 minutes at 20 MPa to obtain γ-oryzanol embedding solution 2.

[0063] The method for detecting the embedding rate of the γ-oryzanol embedding solution is the same as that in Example 1.

[0064] After testing, the embedding rate of the γ-oryzanol embedding solution obtained in the embodiment of the present invention was 40.37%.

[0065] A kind of instant milk powder embodiment 2

[0066] It is made of 7.5kg fresh milk and 2.28kg γ-oryzanol embedding solution 2.

[0067] A kind of preparation method embodiment 2 of instant milk powder

[0068] 7.5kg of fresh milk and 2.28kg of γ-oryzanol embedding solution 2 were mixed and homogenized for 20min at 20MPa, sterilized for 15min at 70°C, concentrated to 20% of the total mass at 30°C and 70Pa, and then, in The feed rate is 10kg / h, the air inlet temperature is 220°C, the air outlet tempe...

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Abstract

A gamma-oryzanol embedding solution and its preparation method and instant milk powder and its preparation method, wherein the gamma-oryzanol embedding solution is mainly homogeneously formed by a gamma-oryzanol aqueous solution and a wall material solution at a mass ratio of 1:0.5 to 1.5; The γ-oryzanol aqueous solution is formed by mixing γ-oryzanol, antioxidants and water; the wall material liquid is formed by homogenizing the wall material and water. The preparation method of the gamma-oryzanol embedding solution is to mix the heated gamma-oryzanol aqueous solution with the wall material solution, and make it homogeneous. The instant milk powder is mainly made of milk liquid and γ-oryzanol embedding solution at a mass ratio of 2-5:1. The invention also discloses a preparation method of the instant milk powder. The embedding solution of the present invention has high embedding rate, strong stability, and is not easy to be oxidized; the instant milk powder of the present invention has high content of γ-oryzanol, low loss, high activation energy, small particle size, good instant effect and excellent sensory quality; The method is simple, low in cost and suitable for industrialized production.

Description

technical field [0001] The invention specifically relates to a γ-oryzanol embedding solution and a preparation method, and an instant milk powder and a preparation method. Background technique [0002] γ-oryzanol (γ-oryzanol) is a kind of fat-soluble vitamin, which has a high content in rice bran, so it is also called rice bran. It is a natural, non-toxic, non-irritating and no side effect compound. Among them, about 35% of 24-methylene pineapple alcohol ferulate, about 30% of pineapple enol ferulate, and about 18% of sterol ferulate; its appearance is white It is a light yellow crystalline powder with a specific fragrance, and is soluble in benzene, dichloroethylene, chloroform, ether, acetone, petroleum ether, hexane, heptane, methanol, ethanol and various vegetable oils, but insoluble in water. γ-oryzanol is a natural antioxidant, and its effects on human health are mainly manifested in: lowering blood lipids, lowering blood sugar, preventing atherosclerosis, reducing c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L29/00A23L29/30A23L33/11A23P10/30A23C9/158A23C9/16
CPCA23C9/158A23C9/16A23L29/035A23L29/045A23L29/30A23L33/11A23P10/30A23V2002/00A23V2200/224A23V2200/238A23V2200/30A23V2250/21368A23V2250/70
Inventor 杨涛祝贺林亲录刘博吴健吴小霞刘盛钢蓝彩红
Owner 西安华企众信科技发展有限公司
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