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Storage and fresh keeping method of sweet potatoes

A fresh-keeping method, sweet potato technology, applied in the direction of fruit and vegetable preservation, food ingredients as anti-microbial preservation, food preservation, etc., can solve the problems of perishability and deterioration, and achieve the effect of long-lasting preservation time, strong environmental protection and convenient adjustment

Inactive Publication Date: 2017-12-26
安徽省阜阳永祥良种服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The nutritional components of sweet potato, such as carotene, vitamin B1, B2, C, iron, calcium and other substances, are higher than those of rice and wheat flour. Textile papermaking, medicine and other industries, the hydrolysis products of sweet potato starch include glucose, fructose, glucose, etc., and the brewing industry uses Aspergillus fermentation to saccharify starch, and produces alcohol, liquor, citric acid, lactic acid, monosodium glutamate, butanol, acetone, etc. With the continuous improvement of the living standards of urban and rural people, sweet potatoes are very popular as whole grains, mainly fresh food and dry food. However, sweet potatoes are water-based agricultural products, and they are easy to rot and deteriorate after a long storage time. Therefore, an easy fresh-keeping method is needed. To prolong the storage time of sweet potatoes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The present embodiment provides a kind of storage and fresh-keeping method of sweet potato, and concrete steps are as follows:

[0020] (1) Material cleaning treatment: firstly, after the sweet potatoes are collected, they are cleaned with clean water, and the mildewed, browned and deteriorated sweet potatoes are removed during the cleaning process. After the sweet potatoes are washed, the sweet potatoes are treated with ozone, and the processing time is 5 minutes, the treatment concentration is 0.5ppm, and the treatment frequency is divided into daily treatment, next day treatment and three-day treatment;

[0021] (2) Air-drying treatment: put the sweet potato processed in step (1) into an air-drying chamber for processing, where multiple fans are arranged on both sides of the air-drying chamber, and multiple shelves are placed in the middle of the fan, and the sweet potatoes are placed on the shelves. Carry out air-drying, keep a distance of 1 meter between adjacent s...

Embodiment 2

[0026] The present embodiment provides a kind of storage and fresh-keeping method of sweet potato, and concrete steps are as follows:

[0027] (1) Material cleaning treatment: firstly, after the sweet potatoes are collected, they are cleaned with clean water, and the mildewed, browned and deteriorated sweet potatoes are removed during the cleaning process. After the sweet potatoes are washed, the sweet potatoes are treated with ozone, and the processing time is 15 minutes, the treatment concentration is 1.5ppm, and the treatment frequency is divided into daily treatment, next day treatment and three-day treatment;

[0028] (2) Air-drying treatment: put the sweet potato processed in step (1) into an air-drying chamber for processing, where multiple fans are arranged on both sides of the air-drying chamber, and multiple shelves are placed in the middle of the fan, and the sweet potatoes are placed on the shelves. Carry out air-drying, keep a distance of 1 meter between adjacent ...

Embodiment 3

[0033] The present embodiment provides a kind of storage and fresh-keeping method of sweet potato, and concrete steps are as follows:

[0034] (1) Material cleaning treatment: firstly, after the sweet potatoes are collected, they are cleaned with clean water, and the mildewed, browned and deteriorated sweet potatoes are removed during the cleaning process. After the sweet potatoes are washed, the sweet potatoes are treated with ozone, and the processing time is The treatment time is 25 minutes, the treatment concentration is 2.5ppm, and the treatment frequency is divided into daily treatment, next day treatment and three-day treatment;

[0035](2) Air-drying treatment: put the sweet potato processed in step (1) into an air-drying chamber for processing, where multiple fans are arranged on both sides of the air-drying chamber, and multiple shelves are placed in the middle of the fan, and the sweet potatoes are placed on the shelves. Carry out air-drying, keep a distance of 1 me...

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Abstract

The invention provides a storage and fresh keeping method of sweet potatoes, and belongs to the field of fresh keeping of grains. The storage and fresh keeping method comprises the following specific steps of (1) performing cleaning and treating on materials: cleaning sweet potatoes, and screening the cleaned sweet potatoes; (2) performing air-drying treatment: performing air-drying on the sweet potatoes; (3) performing sterilization treatment: performing sterilization treatment on the air-dried sweet potatoes; (4) choosing and treating a storage room: choosing proper storage space for sweet potatoes, performing sterilization treatment on the storage space, and mounting intelligent equipment through which the temperature, the humidity and the gas flow of a cellar are convenient to control; and (5) regulating and controlling gases in the cellar: regulating and controlling the proportion of the gases suitable for storing the sweet potatoes in the cellar to be suitable, and then placing the sweet potatoes in the cellar. The storage and fresh keeping method of sweet potatoes disclosed by the invention is reasonable in design and high in environmental protection property, the storage time of the sweet potatoes can be longer, and the eatable time of fresh sweet potatoes is prolonged; and the concentration proportion of the gases in the cellar allowing the sweet potatoes to be stored can be controlled intelligently and systematacially, so that the sweet potatoes are in the cellar with air proportion under which the sweet potatoes are easy to store, and the stored sweet potatoes can be conveniently regulated and managed by a user in time.

Description

technical field [0001] The invention relates to a fresh-keeping method, in particular to a storage and fresh-keeping method for sweet potatoes. Background technique [0002] The nutritional components of sweet potato, such as carotene, vitamin B1, B2, C, iron, calcium and other substances, are higher than those of rice and wheat flour. Textile papermaking, medicine and other industries, the hydrolysis products of sweet potato starch include glucose, fructose, glucose, etc., and the brewing industry uses Aspergillus fermentation to saccharify starch, and produces alcohol, liquor, citric acid, lactic acid, monosodium glutamate, butanol, acetone, etc. With the continuous improvement of the living standards of urban and rural people, sweet potatoes are very popular as whole grains, mainly fresh food and dry food. However, sweet potatoes are water-based agricultural products, and they are easy to rot and deteriorate after a long storage time. Therefore, an easy fresh-keeping meth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/00A23B7/148
CPCA23B7/00A23B7/148A23V2002/00A23V2200/10A23V2250/124A23V2250/11
Inventor 王德英
Owner 安徽省阜阳永祥良种服务有限责任公司
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