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Actinidia arguta Sieb.et Zucc. freeze-dried powder and standard thereof

A technology of freeze-dried powder and jujube, which is applied in the direction of food science, etc., can solve the problems that restrict the comprehensive development of wild jujube, cannot meet consumer demand, and the products are rare, and achieve good processing effect, less sugar solution, and no pesticides residual effect

Inactive Publication Date: 2016-01-06
通化百泉参业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The resources of wild jujube in Changbai mountain area are very rich, but its products are still rare, and the storage period is short in the harvest season, which cannot meet the consumption demand in different seasons, which seriously restricts the comprehensive development of wild jujube

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Freeze-dried wild jujube powder and its standard:

[0021] (1) Raw material selection

[0022] Choose soft jujubes with bright colors, complete fruits, no mildew, no pests and diseases, fully mature, and no mechanical damage.

[0023] (2) cleaning

[0024] Rinse the fruit twice with water, then soak it with 1% NaCl for 30 minutes, and then wash it once with running water repeatedly.

[0025] (3) Color protection

[0026] Put jujube in the color protection solution, 0.5-1.5% malic acid, 0.05-0.2% ascorbic acid, volume ratio 1:1, soak for 5-30 minutes for color protection;

[0027] (4) peeled

[0028] Put the well-washed jujube fruit into boiling water for 20 seconds, and peel off the skin;

[0029] (5) beating

[0030] Put it into a beater (with a sieve diameter of 1 mm) to beat and crush to obtain a fine-textured fruit puree, which is filtered through a 40-mesh screen;

[0031] (6) concentrated

[0032] The jujube puree is put into a concentration tank, heated a...

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Abstract

The invention relates to the field of fruit processing and discloses Actinidia arguta Sieb.et Zucc. freeze-dried powder and a standard thereof. A pre-cooling process comprises putting a device with Actinidia arguta Sieb.et Zucc. paste into a refrigerating chamber, carrying out pre-freezing at a pre-freezing temperature of -35 DEG C for 10h until the core temperature of the Actinidia arguta Sieb.et Zucc. paste is -40 DEG C, and keeping the temperature for 2-6h so that the pre-cooling process is finished. A vacuum freeze-drying process comprises feeding the pre-frozen Actinidia arguta Sieb.et Zucc. paste into a drying cabin, starting a vacuum pump, keeping vacuum pressure of 1-20pa, slowly heating the Actinidia arguta Sieb.et Zucc. paste to -30 DEG C at a heating rate of 1 DEG C / h, keeping the temperature for 12h, slowly heating the Actinidia arguta Sieb.et Zucc. paste to -5 DEG C at a heating rate of 2 DEG C / h, keeping the temperature for 8h so that a first drying stage is finished, on the premise of enzyme activity guarantee, slowly heating the Actinidia arguta Sieb.et Zucc. paste to 40 DEG C at a heating rate of 3 DEG C / h, keeping the temperature for 8h and taking the Actinidia arguta Sieb.et Zucc. paste out of the cabin. The Actinidia arguta Sieb.et Zucc. freeze-dried powder has small nutrition loss and good fruit powder processing effects and is suitable for being eaten in different seasons. The Actinidia arguta Sieb.et Zucc. freeze-dried powder has scientific and reasonable quality indexes and gets the guarantee.

Description

technical field [0001] The invention relates to the field of fruit processing, namely the freeze-dried powder of wild jujube and its standard. Background technique [0002] Wild soft jujube (Actinidia arguta Sieb. et Zucc.), commonly known as soft jujube and round jujube, belongs to the perennial deciduous vines of Actinidiaceae and Actinidia genus. It is widely distributed in the Changbai Mountain area in Northeast my country and has rich reserves. Unique flavor, sweet and sour taste, rich in nutrients, the pulp contains a variety of vitamins, of which vitamin C can be as high as 4mg / g, which can be called the king of fruits. At the same time, it contains more than 20 kinds of trace elements and 20 kinds of amino acids. The total content of various amino acids can reach 10mg / g. The function of fire can prevent and treat constipation and hemorrhoids; improve blood flow and prevent the formation of thrombus; regulate sugar metabolism, regulate intracellular hormones and ner...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00
Inventor 骆长林
Owner 通化百泉参业集团有限公司
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