Method for extracting active ingredient by combination of ultrasonic slow freezing and microwave thawing in near-solid state

An active ingredient and ultrasonic technology, applied in the field of active ingredient extraction, can solve problems such as small number of crystal nuclei, juice outflow, cell rupture, etc., and achieve the effect of saving usage and reducing redundant processes

Inactive Publication Date: 2017-12-26
吴海军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the contrary, when the water-containing material is slow-frozen, the number of crystal nuclei is small and the crystal volume is large, which may easily ca

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Using fresh tomatoes as raw materials, the method for extracting active components in a near-solid state by using ultrasonic slow freezing combined with microwave thawing of the present invention includes:

[0022] 1) Raw material crushing: Cut the fresh tomato into slices of 0.2-0.5 cm;

[0023] 2) Ultrasonic slow freezing: Put the crushed tomatoes in the extraction container, add water and stir evenly, and pre-cool them to 5°C, and then slowly freeze them at a cooling rate of 1°C / h to slowly reduce the temperature of the raw materials to -5 ℃, control the slow freezing and cooling time for 10 h, apply ultrasonic waves while slow freezing and cooling; then quickly cool down to make the raw material temperature below -18 ℃ and freeze for 3 h;

[0024] Microwave thawing near solid-state extraction: After the ultrasonic slow freezing is completed, microwave and ultrasonic waves are applied to the raw materials in the extraction container at the same time to thaw, and the ...

Embodiment 2

[0029] Using fresh honeysuckle as a raw material, the method for extracting active components in a near-solid state by using ultrasonic slow freezing combined with microwave thawing of the present invention includes:

[0030] 1) Crushing of raw materials: properly cut the fresh honeysuckle into pieces;

[0031] 2) Ultrasonic slow freezing: put the broken honeysuckle in the extraction container, add water and stir evenly according to the mass ratio of water to raw materials at 1:1-3kg / kg, and pre-cool to 0 ℃ first, and then 0.2 ℃ Slowly freeze at a cooling rate of / h, so that the temperature of the raw material is slowly lowered to -5 °C, and the cooling time of the slow freezing is controlled to 25 h. Ultrasonic waves are applied while slow freezing and cooling; then the temperature is rapidly lowered so that the temperature of the raw material is below -18 °C and frozen for 1 h ; The ultrasonic process parameters applied during the ultrasonic slow freezing process are: freque...

Embodiment 3

[0037] Using fresh soybeans as raw materials, the method for extracting active ingredients in a near-solid state by using ultrasonic slow freezing combined with microwave thawing of the present invention includes:

[0038] 1) Raw material crushing: crush fresh soybeans until the particle size is 10-40 mesh;

[0039]2) Ultrasonic slow freezing: put the crushed soybeans in the extraction container, add clean water and stir evenly according to the mass ratio of clean water and raw materials at 1:1~3kg / kg, and pre-cool them to 0 ℃, and then cool them to 0.2 ℃ Slowly freeze at a cooling rate of / h, so that the temperature of the raw material is slowly lowered to -5 °C, and the cooling time of the slow freezing is controlled to 25 h. Ultrasonic waves are applied while slow freezing and cooling; then the temperature is rapidly lowered so that the temperature of the raw material is below -18 °C and frozen for 1 h ; The ultrasonic process parameters applied during the ultrasonic slow f...

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Abstract

The invention discloses a method for extracting an active ingredient by combination of ultrasonic slow freezing and microwave thawing in a near-solid state, which comprises the steps of grinding raw materials, centrifugally filtering, concentrating and drying. The method is characterized in that ultrasonic wave slow freezing and microwave thawing near-solid extraction sequentially performed between raw material grinding and centrifugal grinding steps. The method is carried out at a low-temperature environment, can achieve the effect of releasing active ingredients in a cell tissue without adding massive extraction solvent, and has remarkable advantage by judging from the extraction yield and protection perspective for active ingredients.

Description

technical field [0001] The invention belongs to the technical field of active ingredient extraction, and in particular relates to a method for extracting active ingredients in a near-solid state by ultrasonic slow freezing combined with microwave thawing. Background technique [0002] Active ingredients refer to the substances other than water that make up the living organisms, such as sugars, proteins, fats, etc., and also include their secondary metabolites, such as terpenes, flavonoids, alkaloids, steroids, lignin, minerals etc. These substances have physiological promoting effects on humans and various organisms, so they are called active ingredients. Active ingredients can be obtained from plants, animals, or microorganisms, usually by solvent extraction, assisted by ultrasonic waves and microwaves, and then concentrated and spray-dried. Advanced supercritical extraction, countercurrent extraction, molecular distillation, etc. can also be used. However, no matter which...

Claims

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Application Information

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IPC IPC(8): C02F11/02A23L33/105A23L33/10
CPCA23L33/10A23L33/105A23V2002/00B01D11/0265B01D11/0288A23V2250/21A23V2250/204
Inventor 不公告发明人
Owner 吴海军
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