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Method for skinning walnuts by hot-air drying and blowing and ethephon spraying

An ethephon, drying and blowing technology, which is applied in the fields of shelling, pod removal, food science, etc., can solve the problem of difficult control of ethylene utilization, and achieve the effect of easy control of ethylene utilization, fast speed, and bright and beautiful skin

Inactive Publication Date: 2014-02-26
王茜
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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: provide a method for hot air drying and blowing ethephon to spray walnuts to remove the seed coats, so as to solve the problem that the amount of ethylene utilization is difficult to control in the existing ethephon soaked walnuts to remove the seed coats

Method used

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  • Method for skinning walnuts by hot-air drying and blowing and ethephon spraying
  • Method for skinning walnuts by hot-air drying and blowing and ethephon spraying
  • Method for skinning walnuts by hot-air drying and blowing and ethephon spraying

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] After harvesting fresh Xiangling walnuts, peel them according to the following steps:

[0019] (1) Place the harvested fresh Xiangling walnuts on a layered grid, and lay a layer of walnut fruit on each layer. The grid is made of fine iron wire, and the grid has 3 to 5 layers. The number of layers should not be too many to avoid incomplete spraying when spraying ethephon solution;

[0020] (2) After the walnut fruit is laid, spray the walnut fruit with a concentration of 0.3% to 0.5% ethephon solution. The spraying method is from bottom to top. The ethephon solution is sprayed at 0.5L per second, and the spraying time is controlled for half a minute. ;

[0021] (3) After spraying, turn on the hot air blower for hot air drying. The blowing temperature of the hot air blower is 200-250°C, and the hot air drying time is 20-30 minutes. Hot air blower;

[0022] (4) After the hot air drying is completed, spray with 0.1% to 0.3% ethephon solution. The method of spraying is fr...

Embodiment 2

[0030] Harvest fresh fragrant variety walnuts, peel according to the peeling method of example 1, and its sample observation test result is shown in Table 2.

[0031]

Embodiment 3

[0033] Harvest fresh longan variety walnuts, peel according to the peeling method of example 1, and its sample observation test results are shown in Table 3.

[0034]

[0035] Result analysis and discussion: From the sample observation results of examples 1 to 3, the walnut peeling efficiency is related to the harvest time and walnut variety. The later the harvest time, the better the peeling effect and the higher the peeling degree. , the present invention suggests that walnuts should be harvested in good time, generally in mid-September.

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Abstract

The invention discloses a method for skinning walnuts by hot-air drying and blowing and ethephon spraying. The method is characterized by including paving harvested green-skin walnuts on a layered block rack, spraying with ethephon by times prior to hot-air drying and blowing, and then stacking the green-skin walnuts in a cool place or indoors at the temperature of 30 DEG C and relative humidity of 80%-95% for 3-4 days, wherein skinning rate reaches above 98%. The method has the advantages of high skinning rate and high skinning degree.

Description

technical field [0001] The technical field of fruit processing of the present invention relates in particular to a method for removing seed coats of walnuts by spraying ethephon with hot air. Background technique [0002] Walnuts are rich in essential substances such as protein, fat, carbohydrates, vitamin A, vitamin B, vitamin C, vitamin E, calcium, phosphorus, iron, zinc, carotene, riboflavin, etc., and have high nutritional value and medicinal properties. Use value. Studies have shown that regular consumption of walnuts not only does not raise blood sugar, but also reduces intestinal absorption of cholesterol; regular consumption of walnuts has the effect of moisturizing the intestines and treating constipation, and can make emaciated people gain weight; regular consumption of walnuts , has the effect of moisturizing the skin, black beard and hair, and preventing premature graying and shedding of hair; regular consumption of walnuts has the effects of strengthening the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23N5/08
Inventor 王茜
Owner 王茜
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