Processing method of strawberry

A processing method and strawberry technology, applied in the confectionery industry, food preservation, confectionery and other directions, can solve the problems of dehydrated strawberry nutrient loss, large shape variation, low maintenance temperature, etc., and achieve the advantages of long-term storage, low moisture content, The effect of prolonged storage time

Inactive Publication Date: 2015-12-23
杨明彰 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditionally dehydrated strawberries are generally blanched, hardened, color-protected, cooled, and then dried at a temperature of 60-80°C, first at high temperature, then at medium temperature, and then at high temperature. The dehydrated strawberry nutrition is easy to lose, color, Fragrance, taste, and shape vary greatly, and the taste is poor; while the main freeze-drying technology at this stage, the freeze-drying time is generally more than 15 hours, the processing time is long, and the maintenance temperature is low, so the energy consumption is large and the processing cost is high. , therefore, the development of strawberry processing is of great significance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The processing method of strawberry of the present invention, described processing method comprises the following steps:

[0030] 1) Choose bright-colored mature strawberries that are picked on the same day and have no insects, rot, or deformities, remove the stalks, and set aside;

[0031] 2), wash with flowing deionized water for 5 minutes, then add deionized water, salt and ginger juice to clean with an ultrasonic cleaner with a filter screen for 5 minutes, put the strawberries on the filter screen, and then change the ozone concentration to 2mg / L ozone Wash with water for 5 minutes, dry after cleaning, the surface of the strawberry is not smooth, it is easier to clean the strawberry with ultrasonic cleaning, and the strawberry can be cleaned more cleanly, and the cleaning process will not damage the strawberry, the salt and ginger juice in the water can disinfect and sterilize , Ozone water not only plays a role in disinfection and sterilization, but also cleans the...

Embodiment 2

[0036] The processing method of strawberry of the present invention, described processing method comprises the following steps:

[0037] 1) Choose bright-colored mature strawberries that are picked on the same day and have no insects, rot, or deformities, remove the stalks, and set aside;

[0038] 2), wash with flowing deionized water for 10 minutes, then add deionized water, salt and ginger juice to clean for 10 minutes with an ultrasonic cleaner with a filter screen, the weight ratio of the water, salt and ginger juice is 100:1: 2. The temperature of the water is 25°C. Put the strawberries on the filter, and then change the ozone concentration to 5mg / L ozone water to wash for 10 minutes. The cleaning is cleaner, and the cleaning process will not damage the strawberries. The salt and ginger juice in the water play a role in disinfection and sterilization. The ozone water not only plays a role in disinfection and sterilization, but also cleans the agricultural residues on the ...

Embodiment 3

[0044] The processing method of strawberry of the present invention, described processing method comprises the following steps:

[0045] 1) Choose bright-colored mature strawberries that are picked on the same day and have no insects, rot, or deformities, remove the stalks, and set aside;

[0046] 2), wash with flowing deionized water for 8 minutes, then add deionized water, salt and ginger juice to clean with an ultrasonic cleaner with filter screen for 6 minutes, the weight ratio of the water, salt and ginger juice is 100:3: 4. The temperature of the water is 23°C. Put the strawberries on the filter, and then change the ozone concentration to 3 mg / L ozone water to wash for 8 minutes. After washing, dry the strawberries. The cleaning is cleaner, and the cleaning process will not damage the strawberries. The salt and ginger juice in the water can disinfect and sterilize. The ozone water can not only disinfect and sterilize, but also clean the agricultural residues on the surfa...

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PUM

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Abstract

The invention discloses a processing method of strawberry. The processing method comprises the following steps: (1) selecting strawberries; (2) cleaning the strawberries by running water, cleaning the strawberries by salt solution and ginger juice in a ultrasonic wave cleaner with a filter screen, further cleaning the strawberries by ozonated water, then spreading the strawberries and airing; (3) cutting the strawberries half-half by a knife and placing the cut strawberries on a layered frame net; (4) sending the whole frame of placed strawberries into a dehydrating and drying room, dehydrating and drying by hot air circulation, wherein the temperature is kept at 40-45 DEG C and the time for dehydrating and drying is 4-6 hours, until water content in the strawberries is lower than 7%; (5) sorting the dehydrated and dried strawberries for packaging or bottling, then sealing. According to the processing method, water in strawberry is dried by hot air generated by dry hot air circulation at 40-45 DEG C, so that complex technological processes are omitted and energy consumption is reduced; moreover, the processing method keeps original nutrition, color and flavor of the strawberry to the maximum, so that the product is healthy and safe.

Description

technical field [0001] The invention relates to the technical field of fruit processing. More specifically, the present invention relates to a processing method of strawberries. Background technique [0002] Strawberry is the earliest fresh fruit on the market in a year, and it is also an important raw material for food processing. The picking and production of high-quality and high-grade strawberries is of great significance in solving the off-season of early spring fruits and increasing the income of fruit farmers. Strawberry is also called berry, ground berry, ground fruit, pineapple, red berry, etc. It is native to Europe and was introduced to my country in the early 20th century and became popular in China. Strawberry is heart-shaped in appearance, bright in color, juicy in flesh, sweet and sour, pleasant in aroma, rich in nutrition, rich in vitamin C, phosphorus, zinc, iron, calcium, various amino acids and other nutrients. In addition, the fruit has a certain curati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L1/00A23G3/48A23B7/02A23L1/272
CPCA23G3/48A23B7/0205
Inventor 杨明彰杨晓文
Owner 杨明彰
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