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Preparation method of dried berry fruits

A fruit and dried fruit technology, which is applied in the field of berry fruit dried fruit preparation, can solve the problems of reduced nutritional content, reduced volume, and hardened texture of dried fruit, and achieves low drying temperature, no loss of color, porous and crisp effect

Inactive Publication Date: 2018-08-21
XINGHUA LIANFU FOODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, drying in a dryer is carried out at a higher temperature, resulting in reduced volume, hard texture, easy loss of volatile components, and denaturation of heat-sensitive substances such as proteins and vitamins; these all lead to a decline in the nutritional content of dried fruit

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method for dried berry fruit, comprising the steps of:

[0028] The first step is raw material pretreatment: screening fresh berries with the same shape and size, intact and undamaged as raw materials, cleaning and draining;

[0029] The second step, disinfection treatment;

[0030] The third step, color protection treatment: soak the fruit after the second step in a mixture of 0.5% citric acid and 0.2% ascorbic acid for 5 minutes;

[0031] The fourth step, cleaning treatment: after the color protection treatment, spray and clean with distilled water for 30 seconds;

[0032] The fifth step is cooling treatment; use inert gas spray cooling treatment;

[0033] The sixth step, freezing treatment: freezing treatment in the freezer, the freezing process includes pre-freezing-freezing-post-freezing, pre-freezing: freezing temperature is -4 degrees Celsius; freezing time is 0.5 hours; freezing: reduce by 1 per minute The speed of Celsius will drop the freezing...

Embodiment 2

[0042] A preparation method for dried berry fruit, comprising the steps of:

[0043] The first step is raw material pretreatment: screening fresh berries with the same shape and size, intact and undamaged as raw materials, cleaning and draining;

[0044] The second step, disinfection treatment;

[0045] The third step, color protection treatment: soak the fruit after the second step in a mixture of 0.5% citric acid and 0.2% ascorbic acid for 8 minutes;

[0046] The fourth step, cleaning treatment: after the color protection treatment, spray and clean with distilled water for 180 seconds;

[0047] The fifth step is cooling treatment; use inert gas spray cooling treatment;

[0048] The sixth step, freezing treatment: freezing treatment in the freezer, the freezing process includes pre-freezing-freezing-post-freezing, pre-freezing is: freezing temperature is -10 degrees Celsius; freezing time is 0.5 hours; freezing is: reduce by 5 per minute The speed of Celsius will drop the ...

Embodiment 3

[0057] Adopt the preparation method of embodiment 1, embodiment 2 to make the dried fruit that obtains.

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PUM

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Abstract

The present invention relates to a preparation method of dried berry fruits. The preparation method comprises the following steps: raw material pretreatment, disinfection treatment, color protection treatment, washing treatment, fruit pretreatment, freezing treatment, drying treatment and nitrogen filling packaging. The prepared dried fruits by the preparation method are rich in nutrients, brightin color and luster, free of additives of preservatives, pigments, etc., unchanged in volume, and porous and loose inside. Besides, the preparation method can reduce energy consumption.

Description

technical field [0001] The invention relates to a method for preparing dried berry fruits. Background technique [0002] Dried fruit is a popular snack in recent years. On the one hand, dried fruit is convenient to use, and on the other hand, compared with traditional candies and snacks, it has higher nutritional value. It is especially suitable for office workers to quickly supplement nutrition after work. The main component lost after the fruit is dried is water, but other nutrients are concentrated, such as sugar, vitamins, potassium, iron, calcium and other minerals and dietary fiber. Compared with fresh fruit of the same quality, the nutrient content of dried fruit is more dense. , Of course, the sugar content is higher, and the energy is also higher. At the same time, for workers who are traveling and exploring, or in special environments (such as sailing, industrial and mining), due to the high labor intensity and the inability to carry fresh fruits, dried fruit has ...

Claims

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Application Information

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IPC IPC(8): A23B7/024A23B7/055A23L5/20A23L5/41
CPCA23B7/024A23B7/055A23L5/27A23L5/41Y02P60/85
Inventor 刘庆峥刘庆嵘陈洪虎邓昊宋展
Owner XINGHUA LIANFU FOODS