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Preparation method of abelmoschus esculentus powder

A technology of okra powder and a production method, which is applied in the directions of food heat treatment, food science, food drying, etc., can solve the method of destroying the balance of the structure of bioactive components, and does not provide a solution to the problems such as too small particle size of okra powder, so as to improve the dissolution rate. Abilities, Nature-changing Effects

Active Publication Date: 2020-07-24
HANGZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent application only introduces vacuum microwave drying into the preparation of okra powder, and does not provide a solution to the balance between the too small particle size of okra powder and the destruction of the structure of bioactive components.

Method used

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  • Preparation method of abelmoschus esculentus powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of okra powder, comprises the following steps:

[0025] (1) Clean the picked tender okra fruit, then soak it in water at 90°C for 120s for blanching to protect the color, take it out, dry it in the sun to remove surface moisture, remove the peduncle and cut it into small pieces with a length of about 1 cm;

[0026] (2) The okra fritters after the dicing are placed in the container with a stacking height of 5 cm, and then the external force with a load intensity of 5 MPa is continuously impacted 3 times to make the okra broken;

[0027] (3) placing the crushed okra in a vacuum freeze-drying environment for drying treatment at a drying temperature of -80° C., a drying pressure of 500 Pa, and drying to a moisture content of 8 ± 0.2 wt %;

[0028] (4) Finely pulverize the okra treated in step (3) on a pulverizer, then pass through a 100-mesh sieve, and pulverize it several times until the proportion of powder with a particle size in the range of...

Embodiment 2

[0030] A kind of preparation method of okra powder, comprises the following steps:

[0031] (1) Clean the picked tender okra fruit, then soak it in water at 90°C for 20 seconds to blanch and protect the color, take it out, dry it in the sun to remove surface moisture, remove the peduncle and cut it into small pieces with a length of about 1 cm;

[0032] (2) Place the diced okra pieces in a container with a stacking height of 5cm, and then place them in an environment box with a temperature of -80°C for 24 hours and freeze them for 24 hours. The impact load of 40MPa is continuously impacted and broken for 3 times, and the acceleration of the impact load is 10g;

[0033] (3) placing the crushed okra in a vacuum freeze-drying environment for drying treatment, the drying temperature is -80°C, the drying pressure is 400Pa, and dried to a moisture content of 8 ± 0.2wt%;

[0034] (4) Finely pulverize the okra processed in step (3) on a pulverizer, then pass through a 100-mesh sieve,...

Embodiment 3

[0036] A kind of preparation method of okra powder, comprises the following steps:

[0037] (1) Clean the picked tender okra fruit, then soak it in water at 100°C for 30s for blanching to protect the color, take it out, dry it in the sun to remove surface moisture, remove the peduncle and cut it into small pieces with a length of about 1 cm;

[0038](2) Place the diced okra pieces in a container with a stacking height of 5cm, and then place them in an environment box with a temperature of -60°C for 30 hours and freeze them for 30 hours. The impact load of 32MPa is continuously impacted and broken for 5 times, and the acceleration of the impact load is 8g;

[0039] (3) placing the crushed okra in a vacuum freeze-drying environment for drying treatment at a drying temperature of -60° C., a drying pressure of 500 Pa, and drying to a moisture content of 8 ± 0.2 wt %;

[0040] (4) Finely pulverize the okra treated in step (3) on a pulverizer, then pass through a 100-mesh sieve, an...

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Abstract

The invention relates to the technical field of abelmoschus esculentus powder preparation, aims to balance the relationship between too small and too fine particle size of abelmoschus esculentus powder and reduction of the biological activity of the abelmoschus esculentus powder, and discloses a preparation method of the abelmoschus esculentus powder. The method comprises the following steps of cleaning tender abelmoschus esculentus fruits, removing pedicles, and performing dicing, impact crushing, drying and micro-crushing to obtain the abelmoschus esculentus powder. During impact crushing, abelmoschus esculentus dices are saturated with water and then frozen to form ice crystals, and then a large load is applied for rapid impact crushing. Impact crushing and micro-crushing are combined,so that the dissolution capacity of the abelmoschus esculentus powder in a micro-powder particle size state is improved; and the ice crystals in and among cells of the abelmoschus esculentus are crushed through low-temperature freezing impact and water mist infiltration to release intracellular substances, and while the dissolution capacity is improved, the biological activity is not lost and further improved, so that the property of the abelmoschus esculentus powder is allowed to be changed under the condition of keeping the relatively large particle size.

Description

technical field [0001] The invention relates to the technical field of preparation of okra dry powder, in particular to a preparation method of okra powder. Background technique [0002] Okra is commonly known as okra, ambrette, etc. It is native to Africa and is planted in Zhejiang, Shanghai, Guangdong and other places. It contains protein, pectin, polysaccharides, carbohydrates, vitamins, dietary fiber and other nutrients. It is a nutritious and healthy vegetable. . Existing studies have shown that okra contains natural hormone-like substances, and the extract of okra has biological activities such as scavenging free radicals and anti-fatigue. However, fresh okra has thin skin and high water content, which makes it easy to lose water and deteriorate after picking. It can only be stored for 2 to 3 days at room temperature. If it is not eaten in time, it will cause waste. At present, there are researches on the processing of okra. For example, making okra into dry okra pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23L5/00
CPCA23L19/01A23L5/00A23V2002/00A23V2300/31A23V2300/10A23V2300/24
Inventor 许明峰夏梦雪蒋思伟
Owner HANGZHOU NORMAL UNIVERSITY