Method for pretreating pickled lotus root slices based on high-voltage pulsed electric field treatment device

A technology of high-voltage pulse electric field and high-voltage pulse power supply, which is applied in the field of pretreatment processing of pickled lotus root slices, can solve the problems of low production efficiency, long processing cycle of pickled lotus root slices, and high salt content of products, so as to reduce salt content and shorten production Cycle, good color and fragrance effect

Pending Publication Date: 2021-01-08
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the technical defects existing in the prior art to solve the problems of long processing cycle, low production efficiency and high salt content in the existing pickled lotus root slice industry

Method used

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  • Method for pretreating pickled lotus root slices based on high-voltage pulsed electric field treatment device
  • Method for pretreating pickled lotus root slices based on high-voltage pulsed electric field treatment device
  • Method for pretreating pickled lotus root slices based on high-voltage pulsed electric field treatment device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A high-voltage pulsed electric field treatment device, such as figure 1 As shown, the high-voltage pulsed electric field processing device includes: a high-voltage pulsed electric field device 1 , a separator 2 , a separator 2 3 , an inner box 4 , an outer box 5 and a heating wire 6 .

[0040] The high-voltage pulsed electric field device 1 is composed of a high-voltage pulsed power supply 11, a positive plate 12 and a negative plate 13; the high-voltage pulsed power supply 11 is independently arranged on the outside of the outer box 5, and is used to control the switch of the high-voltage pulsed electric field; the positive plate 12 and the negative plate 13 are installed on the opposite partitions of the inner walls on both sides of the outer box body 5 respectively; the material used for the positive plate 12 and the negative plate 13 is food-grade stainless steel.

[0041] The partition is close to the inner wall on both sides of the outer box body 5; the material u...

Embodiment 2

[0052] (1) Wash the fresh lotus root, remove the front and rear ends, keep the middle lotus root, remove the skin, cut into thin slices with a thickness of about 1 cm, and soak in clean water for 10 minutes for later use.

[0053] (2) Take 300g of soaked fresh-cut lotus root slices and put them in such as figure 1 In the shown high-voltage pulsed electric field processing device, it is specifically placed in the inner box 4, and the inner box 4 is suspended in the outer box 5, and clear water is added to cover the lotus root slices; the electric field parameter is set to 1kV / cm, and the pulse The frequency is 500Hz, the pulse width is 200μs, and the processing time is 15s; after the processing parameters are set by the high-voltage pulse power supply 11, a stable high-voltage pulse electric field is formed between the positive plate 12 and the negative plate 13 to process the lotus root slices; after the treatment, turn off the power supply and wait for the lotus root slices A...

Embodiment 3

[0058] (1) Wash the fresh lotus root, remove the front and rear ends, keep the middle lotus root, remove the skin, cut into thin slices with a thickness of about 1 cm, and soak in clean water for 10 minutes for later use.

[0059] (2) Take 300g of soaked fresh-cut lotus root slices and put them in such as figure 1 In the shown high-voltage pulsed electric field processing device, it is specifically placed in the inner box 4, and the inner box 4 is suspended in the outer box 5, and clear water is added to cover the lotus root slices; the electric field parameter is set to 1.5kV / cm, The pulse frequency is 500Hz, the pulse width is 200μs, and the processing time is 15s; after the processing parameters are set by the high-voltage pulse power supply 11, a stable high-voltage pulse electric field is formed between the positive plate 12 and the negative plate 13 to process the lotus root slices; Soak the slices for 20 minutes, remove and drain;

[0060] (3) Open the heating system o...

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Abstract

The invention belongs to the technical field of food processing, and relates to a method for pretreating and pickling lotus root slices based on a high-voltage pulsed electric field treatment device.The device comprises a high-voltage pulsed electric field device, partition plates, an inner box body, an outer box body and an electric heating wire; the partition plates are tightly attached to theinner walls of two sides of the outer box body; the high-voltage pulse electric field device consists of a high-voltage pulse power supply, a positive plate and a negative plate; the positive plate and the negative plate are mounted on the partition plates respectively; the inner box body is an uncovered cuboid with meshes, and handles are arranged on the two sides of the inner box body so as to be suspended and carried in the outer box body; the outer box body is an uncovered cuboid made of a sealed insulating material; the electric heating wire is mounted at the bottom of the outer box body;the lotus root slices are put into the inner box body, clear water is injected to submerge the lotus root slices, and parameters of the high-voltage pulsed electric field device are set for processing; and through the electroporation effect of an electric field, surface cells and tissue structures of the lotus root slices are damaged, a large number of holes are generated, the production period is effectively shortened, the prepared pickled lotus root slices are good in color, aroma and taste, and the unique flavor of products is reserved.

Description

technical field [0001] The invention belongs to the technical field of pretreatment processing of pickled lotus root slices, and in particular relates to a method for preprocessing pickled lotus root slices based on a high-voltage pulse electric field treatment device. Background technique [0002] Lotus root is a kind of aquatic rhizome vegetable widely planted and produced in my country. It has rich nutritional value and sweet and crisp flavor, so it is deeply loved by consumers. In addition to the lotus root that can be cooked and made into daily dishes, there are currently many kinds of leisure food processed from lotus root on the market. Among them, pickled lotus root slices are a very special processed lotus root food, because it not only retains the taste of lotus root itself, but also can be processed with the unique flavor of pickled food, so it has huge development potential and market value . However, in the pickling process of lotus root, in order to ensure th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/10A23L19/20A23L5/10A23L5/30
CPCA23L19/10A23L19/20A23L5/30A23L5/13A23V2002/00A23V2300/12A23V2300/24
Inventor 邹小波李家珩石吉勇李志华黄晓玮王婷婷
Owner JIANGSU UNIV
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