Production technology of dehydrated litchi flesh

A production process and technology of lychee meat, which are applied in the direction of preservation of fruits/vegetables by dehydration, preservation of fruits and vegetables, preservation of fruits/vegetables by freezing/refrigeration, etc. To reduce the loss of nutrients and improve the quality of products

Inactive Publication Date: 2017-02-01
GUANGXI HUITOU INTERNET FINANCE SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, it is also susceptible to various microorganisms, so the fruit is most likely to deteriorate and rot after harvesting, losing its original color, aroma, and taste, which b

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Selection of raw materials: Choose fresh fruits, bright red in appearance, white flesh, full fruits, eight to nine ripe, sweet and slightly sour, strong aroma, not easy to change color during processing, and easy to peel off the shell. Remove branches and leaves, fruits with diseases, insect pests and mechanical damage, as well as underdeveloped fruits, cracked fruits, rotten fruits, etc.;

[0028] Cleaning: Use clean water to wash away the dirt on the surface of the litchi, and at the same time pick out the remaining fruit branches and other sundries;

[0029] Disinfection: Put the cleaned lychees in a sodium hypochlorite solution with an effective chlorine concentration of 150-200 ppm, soak for 3-5 minutes, then remove the residual chlorine on the surface by rinsing with water;

[0030] Color protection: Put in a 0.2% oxalic acid solution for color protection;

[0031] Freezing: Put the packed lychee meat into the pre-freezing tank for freezing, the temperature is about -35℃,...

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PUM

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Abstract

The invention discloses a production technology of dehydrated litchi flesh. A method of the dehydrated litchi flesh comprises the following steps of sorting raw materials, cleaning the sorted raw materials, performing disinfecting, performing color protection, performing low-temperature refrigerating at minus 35 DEG C for 2h, performing sublimation drying, when the vacuum degree achieves 80Pa, enabling heating steam of 50 DEG C to start to enter, performing heating, and finally, performing packaging so as to obtain finished products. According to the prepared dehydrated litchi flesh disclosed by the invention, loss of nutrient components of litchis in a processing course can be reduced, original color, original fragrance and original taste of the litchis are maintained to the maximum extent, the product level is increased, and a new method is provided for deep processing of the litchis.

Description

Technical field [0001] The invention belongs to the technical field of fruit and vegetable processing, and particularly relates to a production process of dehydrated lychee meat. Background technique [0002] Drying is one of the methods to keep materials from spoiling. There are many drying methods, such as sun drying, boiling, drying, spray drying and vacuum drying. However, these drying methods are all performed at temperatures above 0°C or higher. The product obtained by drying is generally reduced in size and hardened in texture. Some substances are oxidized, and most of some volatile components will be lost. Some heat-sensitive substances such as protein and vitamins will be denatured. Microorganisms will lose their biological vitality, and the dried substances will not easily dissolve in water. Therefore, the properties of the dried product are quite different from those before drying. [0003] The lychee fruit is rich in nutrients, with a variety of vitamins and high co...

Claims

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Application Information

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IPC IPC(8): A23B7/02A23B7/04
CPCA23B7/0205A23B7/04
Inventor 苏碧
Owner GUANGXI HUITOU INTERNET FINANCE SERVICE CO LTD
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