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Concentrated fruit and vegetable juice, and processing method thereof

A processing method and technology of fruit and vegetable juice, applied in the field of concentrated fruit and vegetable juice and its processing, can solve the problems of difficult transportation, short storage time, unfavorable mass production, etc., achieve the protection of nutritional components and aromatic components, good nutritional components, and avoid loss Effect

Inactive Publication Date: 2019-02-26
内江学农泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, freshly squeezed juice has a large water content and a large volume, is not easy to transport, and is easy to deteriorate. The storage time is short and the nutrients are easily lost, which is not conducive to mass production.

Method used

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  • Concentrated fruit and vegetable juice, and processing method thereof
  • Concentrated fruit and vegetable juice, and processing method thereof
  • Concentrated fruit and vegetable juice, and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Present embodiment provides a kind of concentrated fruit and vegetable juice (fruit and vegetable in the present embodiment is Cabernet Sauvignon grape), and its processing method is as follows:

[0036] S1: Prepare fruit and vegetable juice

[0037] Select fresh fruits and vegetables free of pests and mildew, wash the fruits and vegetables with 200mg / l concentration of sodium hypochlorite disinfectant for 20 minutes for pre-sterilization, then rinse with clean water, drain the water, put the sterilized fruits and vegetables in the juicer Squeeze and filter to obtain fruit and vegetable juice.

[0038] S2: Freeze and vacuum thaw.

[0039] Freeze 1 kg of fruit and vegetable juice at -18°C for 24 hours, then thaw the frozen fruit and vegetable juice at a vacuum of 0.06Mpa and a temperature of 23°C, and collect the melted liquid in batches, every 5 minutes Collect once, and use a sweetness meter to measure the sweetness of the liquid collected each time, until the sweetn...

Embodiment 2

[0044] The present embodiment provides a kind of concentrated fruit and vegetable juice (fruit and vegetable in the present embodiment is tomato, celery and lemon), and its processing method is as follows:

[0045] S1: Prepare fruit and vegetable juice

[0046] Select fresh fruits and vegetables free of pests and mildew, wash the fruits and vegetables with 150mg / l concentration of sodium hypochlorite disinfectant for 30 minutes for pre-sterilization, then rinse with clean water, drain the water, put the sterilized fruits and vegetables in a juicer Squeeze and filter to obtain fruit and vegetable juice.

[0047] S2: Freeze and vacuum thaw.

[0048] Freeze 1 kg of fruit and vegetable juice at -20°C for 20 hours, then thaw the frozen fruit and vegetable juice at a vacuum of 0.05Mpa and a temperature of 20°C, and collect the melted liquid in batches, every 3 minutes Collect once, and use a sweetness meter to measure the sweetness of the liquid collected each time, until the swee...

Embodiment 3

[0052] The present embodiment provides a kind of concentrated fruit and vegetable juice (fruit and vegetable in the present embodiment is apple and carrot), and its processing method is as follows:

[0053] S1: Prepare fruit and vegetable juice

[0054] Select fresh fruits and vegetables free of pests and mildew, wash the fruits and vegetables with 250mg / l concentration of sodium hypochlorite disinfectant for 10 minutes for pre-sterilization, then rinse with clean water, drain the water, put the sterilized fruits and vegetables in a juicer Squeeze and filter to obtain fruit and vegetable juice.

[0055] S2: Freeze and vacuum thaw.

[0056] Freeze 1 kg of fruit and vegetable juice at -19°C for 30 hours, then thaw the frozen fruit and vegetable juice at a vacuum of 0.08Mpa and a temperature of 25°C, and collect the melted liquid in batches, every 8 minutes Collect once, and use a sweetness meter to measure the sweetness of the liquid collected each time, until the sweetness of...

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Abstract

The invention belongs to the technical field of food processing, and provides a concentrated fruit and vegetable juice, and a processing method thereof. The processing method comprises following steps: fruit and vegetable juice is subjected to refrigeration for 20 to 30h at -20 to -18 DEG C, the refrigerated fruit and vegetable juice is subjected to unfreezing draining at vacuum conditions, thawedliquid is collected in different batches so as to obtain liquids with different primary sweet degrees, the liquids with sweet degrees lower than a preset sweet degree are subjected to the above refrigeration and vacuum unfreezing process for another time, thawed liquid is collected in different batches so as to obtain liquids with different second sweet degrees, and the above operation is repeated until liquid concentration reaches the preset sweet degree so as to obtain the concentrated fruit and vegetable juice, the concentrated fruit and vegetable juice is stored at -20 to -18 DEG C, and is subjected to disinfection processing. The whole concentration process and the disinfection process are carried out at relatively low temperature, fruit and vegetable juice nutritional components andfragrant components are protected as far as possible in concentration process, the concentrated fruit and vegetable juice prepared through processing is excellent in quality, and small in size, and is convenient for transportation.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a concentrated fruit and vegetable juice and a processing method thereof. Background technique [0002] Fruit and vegetable juice is the juice squeezed from vegetables and fruits. It is rich in antioxidants. Fruits and vegetables have high nutritional value and provide our body with nutrition, energy and health in an empty stomach. Raw juice supplies the human body with a large amount of vitamins, minerals and enzymes. The phytochemicals in it help us remove carcinogens from the body. However, freshly squeezed fruit juice has a large water content and a large volume, is not easy to transport, and is easy to deteriorate, has a short storage time, and easily loses nutrients, which is not conducive to mass production. Contents of the invention [0003] The object of the present invention is to provide a processing method of concentrated fruit and vegetable juice, which h...

Claims

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Application Information

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IPC IPC(8): A23L2/08A23L3/005
CPCA23L2/08A23L3/005
Inventor 郑杰曾学海王见冯作山
Owner 内江学农泰科技有限公司
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