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Method for preparing high-color value concentrated peach clear juice

A technology of color value and clear juice, which is applied in the field of preparation of concentrated peach clear juice with high color value, and can solve the problems of peach browning, chroma and poor stability

Active Publication Date: 2011-05-11
长沙市集义厚投资管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preparing concentrated peach clear juice with high color value in view of the problems that peaches are prone to browning, chromaticity and poor stability during processing, and the prepared peach juice is clear and translucent, and the state is stable

Method used

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  • Method for preparing high-color value concentrated peach clear juice

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The preparation method of concentrated peach clear juice with high color value comprises the steps of:

[0033] A. Raw fruit pretreatment: 1) Cleaning and sorting: select 70 tons of fresh and ripe white peaches as raw fruit and unload them into the fruit trough, and transport the raw fruit to the sorting table while washing with tap water, and sort the raw fruit; 2) Floating washing: transport the selected raw fruit in step 1) to the floating washing tank for cleaning; 3) Crushing: Spray 0.5‰ of fresh fruit weight VC to protect the color of the raw fruit after floating washing, and then use crushing The machine is crushed into pulp, and the peach pits in the pulp are removed by using a 16mm aperture screen.

[0034] B. Squeeze and pre-sterilize the juice: preheat the pulp to 52°C after depitting, cache for 35 minutes, and then press to extract the juice; pass the squeezed juice into the pasteurization device for pre-sterilization, and sterilize at 100°C for 25s.

[003...

Embodiment 2

[0047] The preparation method of concentrated peach clear juice with high color value comprises the steps of:

[0048] A. Raw material fruit pretreatment: 1) Cleaning and sorting: select fresh and ripe peaches as raw material fruit and unload them into the fruit trough, and transport the raw material fruit to the sorting table while washing with tap water, and sort the raw material fruit; 2) Floating Washing: transport the selected raw fruit in step 1) to the floating washing tank for cleaning; 3) crushing: spray 0.5‰ VC color protection of fresh fruit weight to the raw fruit after floating washing, and then use a crusher to break into pulp, and use a sieve with a pore size of 16mm to remove the peach pits in the pulp.

[0049] B. Squeeze and extract juice and pre-sterilize: preheat the pulp to 55°C after depitting, cache for 30 minutes, and then press to extract the juice; pass the squeezed juice into a pasteurization device for pre-sterilization, and sterilize at 105°C for 2...

Embodiment 3

[0058] The preparation method of concentrated peach clear juice with high color value comprises the steps of:

[0059] A. Raw material fruit pretreatment: 1) Cleaning and sorting: choose fresh and ripe peaches as raw material fruit and unload them into the fruit trough, and transport the raw material fruit to the sorting table while washing with tap water, and sort the raw material fruit; 2) Floating Washing: transport the selected raw fruit in step 1) to the floating washing tank for cleaning; 3) crushing: spray 0.5‰ VC color protection of fresh fruit weight to the raw fruit after floating washing, and then use a crusher to break into pulp, and use a sieve with a pore size of 16mm to remove the peach pits in the pulp.

[0060] B. Squeeze and extract juice and pre-sterilize: Preheat the pulp to 50°C after depitting, cache for 40 minutes, and then press to extract the juice; put the squeezed juice into a pasteurization device for pre-sterilization, and sterilize at 95°C for 30 ...

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Abstract

The invention relates to a method for preparing high-color value concentrated peach clear juice, and belongs to the technical field of the deep processing of fruits and vegetables. The method comprises the following step of: removing amino nitrogen from peach juice, namely introducing 20 to 60 volume percent of peach juice into an LSC-106 macroporous cation exchange resin tower, collecting outflow liquid, and allowing 20 to 60 volume percent of overflow liquid to pass through an LSC-208 macroporous anion exchange resin tower, and mixing the rest of the overflow liquid and the overflow liquid of the LSC-208 resin tower in peach juice which does not enter the LSC-106 resin tower. The concentrated peach clear juice prepared by utilizing the technical scheme of the invention is in a brownish yellow or shallow amber, does not contain suspensions or precipitates and is clear and transparent, the color value of the peach clear juice can reach 80 percent, the amino nitrogen content is between 100 and 150 mg / 100g. In addition, the concentrated peach clear juice does not add sweeteners, preservatives and the like, is pure in mouthfeel, and is suitable to be drunk directly by diluting or is used for preparing other peach juice drinks.

Description

technical field [0001] The invention belongs to the technical field of deep processing of fruits and vegetables, and in particular relates to a preparation method of high color value concentrated peach clear juice. Background technique [0002] Peach is a fruit with high nutritional value. It is rich in protein, fat, sugar, calcium, phosphorus, iron and vitamin B, C and other ingredients. The iron content is 4 to 6 times that of apples, ranking first among many fruits. at the forefront. Traditional Chinese medicine believes that peaches are hot in nature and sweet and sour in taste. They have many effects such as nourishing qi and blood, nourishing yin and promoting body fluid, eliminating accumulation and moistening intestines, relieving labor heat, and benefiting color. It is used as an auxiliary food therapy for those who suffer from asthma and cough. [0003] However, nutritious and delicious peaches are extremely perishable and difficult to store, and peach juice prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/02A23L2/80A23L2/84
Inventor 孙景源秦锁高许英刚王淑敏李世辉
Owner 长沙市集义厚投资管理有限公司
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