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Not-concentrated freshly squeezed compound fresh jujube juice and processing method thereof

A processing method and technology of fresh jujube juice, applied in non-concentrated freshly squeezed compound fresh jujube juice and its processing field, can solve the problems of loss of heat-sensitive nutrients, influence of jujube juice flavor, low juice content, etc., to ensure nutritional characteristics, The effect of rich flavor and harmonious aroma

Active Publication Date: 2015-01-21
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing jujube juice processing uses dried dates as raw materials, and almost no fresh jujube juice products are processed and produced with fresh dates as raw materials; most of its existing jujube juices use pre-heating treatment (such as patent ZL200410023975.2), and use high temperature Sterilization (such as patents ZL201210167188.X, ZL201010033320.9, ZL200410024274.0, ZL200410023975.2, etc.), the obtained product is brown, compared with fresh jujube, it loses most of the heat-sensitive nutrients, and its flavor is burnt Fragrance, no smell of fresh jujube fragrance; steps such as crushing, extraction (such as ZL02100872.8), enzymatic hydrolysis (such as patent ZL201010033320.9) also have a great influence on the flavor of jujube juice; and the existing jujube juice beverage also has Formulated with food additives, the juice content is not high

Method used

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  • Not-concentrated freshly squeezed compound fresh jujube juice and processing method thereof
  • Not-concentrated freshly squeezed compound fresh jujube juice and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Composition of raw materials: 46 parts by weight of fresh jujube, 46 parts by weight of pear, 7 parts by weight of kiwi fruit, and 1 part by weight of cucumber. Its processing steps are as follows:

[0022] (1) Select fresh jujubes, pears and cucumbers that are ripe but not soft, moth-eaten, and mildew-free; kiwis that are seven-ripe without moth-eaten, moldy, and rotten, decontaminated and impurity-free with ozone, and cleaned at 0-4°C Refrigerate for more than 24 hours;

[0023] (2) remove the core of fresh jujube after refrigeration, remove the core and peel of pear, peel the kiwi fruit and cucumber respectively, beat and squeeze the juice under the condition of 0 ℃ and mix well;

[0024] (3) Vacuum degassing, the vacuum used is 0.09MPa;

[0025] (4) Fill the composite fresh jujube juice treated in step (3) with a high-pressure resistant plastic bottle, sterilize at 500 MPa for 25 minutes, and then store it in cold storage at 0-4°C.

[0026] The obtained compound ...

Embodiment 2

[0034] Composition of raw materials: 48 parts by weight of fresh jujube, 48 parts by weight of pear, 10 parts by weight of kiwi fruit, and 2 parts by weight of cucumber. Its processing steps are as follows:

[0035] (1) Select fresh pear jujubes, pears and cucumbers that are ripe but not soft, moth-eaten, and mildew-free; kiwifruit that are seven-ripe without moth-eaten, mould-eaten, and seven-ripe, and cleaned with ozone at 0-4°C Refrigerate for more than 24 hours;

[0036] (2) Remove the cores of fresh jujubes after refrigeration, remove the cores and peel the Sydney pears, peel the kiwis and cucumbers respectively, beat the pulp and squeeze the juice at 0°C, and then mix them;

[0037] (3) Vacuum degassing, the vacuum used is 0.09MPa;

[0038] (4) Fill the composite fresh jujube juice treated in step (3) with a high-pressure resistant plastic bottle, sterilize at 500MPa for 15 minutes, and then store it in cold storage at 0-4°C.

[0039] The obtained compound fresh jujub...

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Abstract

The invention discloses non-concentrated freshly squeezed compound fresh jujube juice and a processing method thereof, and the compound fresh jujube juice comprises the following raw materials by weight: 45-60 parts of fresh jujube, 45-60 parts of snow pear, 7-10 parts of kiwi fruit and 1-5 parts of cucumber. The compound fresh jujube juice is prepared as follows: a variety of finely selected ripe fresh fruits are pretreated and then frozen for more than 24h, then pulped and squeezed at 0 DEG C, and then processed by vacuum degassing, aseptic filling, and ultra high pressure sterilization. The compound fresh jujube juice prepared under the cold processing conditions is not subjected to heat treatment to prevent damage of nutrient substances in fruit and fresh jujube color degradation, the prepared compound fresh jujube juice product is green and yellow in color, uniform in quality, refreshing and fragrant, and is non-concentrated freshly squeezed nutritional fresh jujube juice meeting modern consumption demands.

Description

technical field [0001] The invention belongs to the technical field of jujube processing, and relates to a non-concentrated freshly squeezed compound fresh jujube juice and a processing method thereof. Background technique [0002] Fresh dates are rich in a variety of nutrients and functional ingredients, and have many health effects such as strengthening the spleen and stomach, nourishing the middle and nourishing qi, nourishing the lungs and strengthening the kidneys, relieving drug poisoning, and anti-aging. It is one of the traditional fruits loved by the Chinese people . Fresh dates are rich in nutrients, among which, V C The content is 70 times that of apples and 140 times that of pears. However, most of the existing jujube juice processing uses dried dates as raw materials, and almost no fresh jujube juice products are processed and produced with fresh dates as raw materials; most of its existing jujube juices use pre-heating treatment (such as patent ZL200410023975...

Claims

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Application Information

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IPC IPC(8): A23L2/02A23L1/29A23L33/00
CPCA23L2/04A23V2002/00A23V2250/21
Inventor 王敏汪有科苟茜冀晓龙郑娇杜春艳沈静
Owner NORTHWEST A & F UNIV
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