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Preparation method of quercetin soybean milk

A quercetin and soymilk technology, applied in dairy products, milk replacers, applications, etc., can solve the problems of oxidative degradation and quercetin precipitation, and achieve the effects of promoting absorption, uniform distribution of soymilk particles, and strong antioxidant properties.

Pending Publication Date: 2020-09-11
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The present invention provides a method for preparing quercetin soymilk in order to solve the problems of precipitation and oxidative degradation when adding quercetin to soymilk

Method used

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  • Preparation method of quercetin soybean milk
  • Preparation method of quercetin soybean milk
  • Preparation method of quercetin soybean milk

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Embodiment 1

[0029] Embodiment 1: This embodiment provides a kind of quercetin soybean milk, the specific preparation process is as follows, as figure 1 Shown:

[0030] Step 1, dissolving quercetin: Dissolve quercetin powder completely in absolute ethanol to a final concentration of 10 mg / mL, then add the dissolved quercetin to soybean oil at 0.5 mg / g, and dissolve the quercetin powder at 40 Carry out rotary evaporation at ℃ until all the ethanol is evaporated, and the quercetin is completely dissolved in the soybean oil to obtain the quercetin oil phase solution;

[0031] Step 2, preparation of quercetin nanoemulsion: with soybean protein isolate (Soybean protein isolate, SPI) as surfactant, SPI (SPI concentration is 30mg / mL in the final solution) is dissolved in the phosphate buffer solution of 0.01mol / L (pH 7.4), use a magnetic stirrer to continue stirring until the SPI is completely dissolved in the phosphate buffer solution, mix the oil phase of quercetin with the water phase of the ...

Embodiment 2

[0034] Embodiment 2: This embodiment provides a kind of quercetin soybean milk, the specific preparation process is as follows:

[0035] Step 1, dissolving quercetin: Dissolve quercetin powder completely in absolute ethanol to a final concentration of 10 mg / mL, then add the dissolved quercetin to soybean oil at 0.5 mg / g, and dissolve the quercetin powder at 40 Carry out rotary evaporation at ℃ until all the ethanol is evaporated, and the quercetin is completely dissolved in the soybean oil to obtain the quercetin oil phase solution;

[0036] Step 2, preparation of quercetin nanoemulsion: with soybean protein isolate (Soybean protein isolate, SPI) as surfactant, SPI (SPI concentration is 30mg / mL in the final solution) is dissolved in the phosphate buffer solution of 0.01mol / L (pH 7.4), use a magnetic stirrer to continue stirring until the SPI is completely dissolved in the phosphate buffer solution, mix the oil phase of quercetin with the water phase of the SPI solution, and us...

Embodiment 3

[0039] Embodiment 3: This embodiment provides a kind of quercetin soybean milk, the specific preparation process is as follows:

[0040]Step 1, dissolving quercetin: Dissolve quercetin powder completely in absolute ethanol to a final concentration of 10 mg / mL, then add the dissolved quercetin to soybean oil at 0.5 mg / g, and dissolve the quercetin powder at 40 Carry out rotary evaporation at ℃ until all the ethanol is evaporated, and the quercetin is completely dissolved in the soybean oil to obtain the quercetin oil phase solution;

[0041] Step 2, preparation of quercetin nanoemulsion: with soybean protein isolate (Soybean protein isolate, SPI) as surfactant, SPI (SPI concentration is 30mg / mL in the final solution) is dissolved in the phosphate buffer solution of 0.01mol / L (pH 7.4), use a magnetic stirrer to continue stirring until the SPI is completely dissolved in the phosphate buffer solution, mix the oil phase of quercetin with the water phase of the SPI solution, and use...

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Abstract

The invention discloses a preparation method of quercetin soybean milk, belongs to the technical field of soybean milk processing, and solves the problems of precipitation, oxidative degradation and the like caused by adding quercetin into soybean milk in the prior art. The quercetin is embedded in a nano-emulsion and then added into the soybean milk, the quercetin nano-emulsion and the soybean milk are mixed through a high-pressure homogenization technology, and finally the uniform and stable quercetin soybean milk is obtained. While the quercetin nano-emulsion and the soybean milk are mixedby utilizing the pressure and the cavity effect of a high-pressure homogenizer, the particle size of the soybean milk can be reduced, the taste of the soybean milk is improved, and the absorption of the soybean milk in the human body is promoted.

Description

technical field [0001] The invention relates to a preparation method of quercetin soybean milk, which belongs to the technical field of soybean milk processing. Background technique [0002] Quercetin is a hydrophobic flavonoid that can be isolated from fruits and vegetables. Quercetin can prevent cardiovascular diseases and other antioxidant effects by scavenging free radicals and inhibiting lipid peroxidation. In addition, quercetin can also Effective in the treatment of a variety of diseases including diabetes, nervous disorders and obesity. However, their poor solubility, easy chemical degradation, and low bioavailability often limit their applications in the food field. Adding quercetin to soy milk can increase the functional properties of soy milk and play a positive role in the development of soy milk. However, due to the water insolubility of quercetin, it is sensitive to light, heat and other environments, and it is prone to chemical degradation. Directly adding q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23C11/10
CPCA23C11/103
Inventor 李杨齐宝坤胡淼闫世长江连洲
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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