A kind of processing method of washing-free persimmon

A processing method and technology of dried persimmons, which are applied in the field of no-clean persimmons processing, can solve the problems of sticking dust on the surface of dried persimmons that cannot be eaten directly, cumbersome processing techniques of dried persimmons, and high labor intensity, so as to reduce labor intensity and labor costs, reduce The steps of manual operation, the effect of improving the drying quality

Inactive Publication Date: 2015-09-09
ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a processing method for washing-free dried persimmons, so as to solve the problems of poor quality of dried persimmons, cumbersome processing of dried persimmons, high labor intensity, poor sanitation, and dust attached to the surface of dried persimmons, which cannot be eaten directly. Consumer demand for convenient and ready-to-eat persimmons

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for processing persimmons without washing, the steps are as follows: ①Pick the persimmons from the tree, pick out the foreign matter in the persimmons, and then pick out the damaged fruit, insect fruit, diseased fruit, etc., and separate the persimmons according to 2. Use a persimmon peeling machine to peel the persimmons, and then use a cleaning device to clean the persimmons; 3. Use a radio frequency generator to perform radio frequency heating treatment on the persimmons. The radio frequency treatment frequency is 27.12MHz. After 15 minutes of radio frequency heating, the persimmon’s The central temperature rises to 60°C, and the heating is stopped at this time; ④The persimmons after radio frequency treatment are dried in a heat pump drying room. %, stop drying when the moisture content of the dried persimmons drops to 30%; ⑤Put the dried persimmons into a pre-made cake-shaped mold and keep them for 2 hours to form a cake; ⑥After cooling the dried persimmons ...

Embodiment 2

[0025] A method for processing persimmons without washing, the steps are as follows: ①Pick the persimmons from the tree, pick out the foreign matter in the persimmons, and then pick out the damaged fruit, insect fruit, diseased fruit, etc., and separate the persimmons according to Classify the size; ②Use the persimmon peeler to peel the persimmons, and then use the cleaning equipment to clean the persimmons; ③Use the radio frequency generator to carry out radio frequency heating treatment on the persimmons. The central temperature rises to 55°C, and the heating is stopped at this time; ④The persimmons after radio frequency treatment are dried in a heat pump drying room, and the process parameters are: drying temperature is 50°C, drying wind speed is 1m / s, and relative humidity is 50% , and stop drying when the moisture content of the dried persimmons drops to 20%; ⑤ Put the dried persimmons into a pre-made cake-shaped mold and keep them for 0.5 hours to form a cake; ⑥ Cool the ...

Embodiment 3

[0027] A method for processing persimmons without washing, the steps are as follows: ①Pick the persimmons from the tree, pick out the foreign matter in the persimmons, and then pick out the damaged fruit, insect fruit, diseased fruit, etc., and separate the persimmons according to Classify the size; ②Use the persimmon peeler to peel the persimmons, and then use the cleaning equipment to clean the persimmons; ③Use the radio frequency generator to carry out radio frequency heating treatment on the persimmons, wherein the radio frequency treatment frequency is 40.68MHz, and the persimmon’s temperature after 10 minutes of radio frequency heating The central temperature rises to 65°C, and the heating is stopped at this time; ④The persimmons after radio frequency treatment are dried in a heat pump drying room. The process parameters are: drying temperature 60°C, drying wind speed 1.5m / s, relative humidity 55 %, stop drying when the moisture content of the dried persimmons drops to 25...

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PUM

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Abstract

The invention discloses a processing method of washing-free persimmon cake, and belongs to the field of agricultural products processing engineering. According to the technical scheme, the processing method comprises the following steps: removing peel and washing; performing radio processing and heating; drying; performing die molding; and frosting and packaging. When the radio heat treatment is adopted before drying persimmon, internal temperature of persimmon can be rapidly increased and the effects of disinfestation and sterilization can be realized; when a heat pump dehumidification drying device is used cooperatively, softening and astringency removal can be effectively performed on the persimmon, drying speed can be increased, and drying quality can be improved, so that the processing technology and quality of the persimmon cake are greatly improved.

Description

technical field [0001] The invention discloses a washing-free persimmon processing method, which belongs to the field of agricultural product processing engineering. Background technique [0002] Fresh persimmons have very high water and sugar content, high respiration intensity, and are not resistant to storage. Therefore, making persimmons is an effective way to preserve persimmons. There are two major technical problems in the practical dried persimmon processing technology and have not solved at present. [0003] Question 1: Persimmons are generally dried in a hot air circulation drying room. During the hot air drying process, the moisture in the outer layer of the material diffuses rapidly, but the moisture in the interior diffuses slowly, and the temperature rise in the center of the persimmon lags behind severely. Because persimmons are larger than ordinary fruits and vegetables and other agricultural products, the water migration path is longer, resulting in extre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/212A23L19/00
CPCA23L19/00
Inventor 娄正刘清师建芳赵玉强赵威何晓鹏
Owner ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
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