Processing method for vacuum frozen dried puffed fresh golden silk jujube

A technology of vacuum freeze-drying and golden silk jujube, which is applied in food processing, fruit and vegetable fresh-keeping, food preservation, etc. It can solve the problems of affecting product sensory evaluation, short shelf life of golden silk jujube, and high product hardness, so as to achieve the goal of not being prone to grease The effects of rancidity, complete shape, and increased added value

Active Publication Date: 2013-06-12
山东鼎力枣业食品集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, when drying Jinsixiaozao, it is usually vacuum freeze-dried, and the final product Jinsixiaozao that has only been vacuum freeze-dried will have appearance wrinkles, structural collapse, and high product hardnes

Method used

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  • Processing method for vacuum frozen dried puffed fresh golden silk jujube
  • Processing method for vacuum frozen dried puffed fresh golden silk jujube
  • Processing method for vacuum frozen dried puffed fresh golden silk jujube

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Embodiment Construction

[0023] Refer to the attached figure 1 To attach Figure 4 A kind of processing method of vacuum freeze-drying puffed fresh golden shredded jujube of the present invention is described in detail below.

[0024] A processing method of vacuum freeze-drying puffed fresh golden jujube according to the present invention comprises the following steps: (1) raw material pretreatment: the fresh golden silk jujube is subjected to inspection, cleaning and nuclear penetration treatment;

[0025] (2) Immerse the processed golden jujube in the sugar solution with a sugar content of 40% for 8-12 hours, take it out and spray, remove the sugar solution on the surface of the golden jujube, and control it to dry;

[0026] (3) Spread the dried golden jujube into a single layer, evenly distribute it on the material tray 12, put it into the quick freezer, and perform quick freezing at -40°C for 4-6 hours to ensure that the water in the golden jujube is completely frozen;

[0027] (4) Vacuum freeze...

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Abstract

The invention discloses a processing method for vacuum frozen dried puffed fresh golden silk jujube, and belongs to the dry-cure of fresh golden silk jujube. The method comprises the following steps of: (1) pretreating the raw material, namely, selecting and washing fresh golden silk jujube and carrying out stone elimination treatment on the washed golden silk jujube; (2) steeping the treated golden silk jujube into a sugar liquid of which the sugar content is 40% for 8-12h, subsequently taking out the golden silk jujube to be sprayed, removing the sugar liquid on the surface of the golden silk jujube, and draining; (3) spreading the drained golden silk jujube in a single layer and uniformly distributing on a material tray, putting the golden silk jujube in the material tray into an instant freezer, and instantly freezing for 4-6h at minus 40 DEG C so as to ensure that the moisture in the golden silk jujube is completely frozen; and (4) carrying out vacuum freezing puffing drying by using a vacuum freezing puffing drying machine. By utilizing the method, the original biological activity and the nutrition components of the golden silk jujube are maintained to the maximum extent, and moreover, the fresh golden silk jujube has the characteristics of good crispness, completeness in appearance, additive or preservative free, lower drying energy consumption, capacities of improving the taste and improving the production efficiency, and the like.

Description

technical field [0001] The invention relates to a drying process of fresh golden jujube, in particular to a processing method of vacuum freeze-drying puffed fresh golden jujube. Background technique [0002] Jujube has always been regarded as a good nourishing product, which has the effects of nourishing the stomach, strengthening the spleen, nourishing blood and strengthening the mind. And Jinsixiaozao is the best among jujubes, and has the reputation of "the king of all kinds of fruits"! The Dezhou and Binzhou areas of Shandong Province are the birthplace and concentrated production areas of Jinsixiaozao with a long history. Jinsi jujube has thin skin and thick flesh, small core and juicy, sweet and delicious taste, and is very nutritious. Golden silk jujube contains 18 kinds of amino acids, fats, crude cellulose, organic acids, calcium, phosphorus, iron and other substances that are beneficial to the human body. The sugar content and vitamins are among the best in fruit...

Claims

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Application Information

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IPC IPC(8): A23B7/024
CPCY02P60/85
Inventor 刘玉林王中山孙曙光冀利
Owner 山东鼎力枣业食品集团有限公司
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