Method for processing clear concentrated dark-plum juice

A processing method and technology for concentrated juice, which are applied in the field of deep processing of clarified green plum juice concentrate, can solve the problems of high production cost, low green plum juice yield, unsatisfactory clarification effect, etc., and achieve improved light transmittance and good clarification effect. Effect

Active Publication Date: 2007-09-05
GUANGDONG JIABAO GRP CO LTD
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AI Technical Summary

Problems solved by technology

The disadvantage of this clarification method is that when the amount of pectinase is small, the material needs to be clarified for a long time, and

Method used

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Examples

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[0009] Examples:

[0010] Choose fresh green plums that are free from deterioration and pests. After cleaning the green plums, blanch them in boiling water for 3 minutes, and then beat them with a beater. Green plum pulp is processed by complex enzymatic hydrolysis. First add cellulase enzymatic hydrolysis treatment, and then add pectinase enzymatic hydrolysis treatment 30 minutes later. The dosage of pectinase is 6U / 100ml, the dosage of cellulase is 28U / 100g, the pH is 2.8, the time is 60 minutes, and the temperature is 28°C. After enzymolysis, the juice is heated to inactivate the enzyme, the temperature is controlled at 92°C, and the time is 1.5 minutes. Then filter with 200 mesh filter cloth, and then use chitosan to adsorb and clarify. The chitosan dosage is 0.05%, the juice pH is 2.8, the temperature is 35°C, and the time is 50 minutes. Then centrifuge (2500r / min) to separate impurities. Green plum juice is concentrated by vacuum, the sugar content is increased to 65%, and t...

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Abstract

A clarified concentrated plum juice with high output rate is prepared from green plum fruit through screening, washing, scaling, beating, enzymolyzing, deactivating enzyme, filtering, clarifying by chitosan, centrifugal separation, vacuum concentrating, sterilizing and aseptic packing.

Description

technical field [0001] The invention relates to food processing technology, in particular to the deep processing technology of clarified greengage concentrated juice. Background technique [0002] The clarification method of common greengage concentrated juice is 1. Gelatin tannin clarification method: add gelatin and tannin to the greengage juice to form gelatin-tannin complex precipitation, and other suspended particles are adsorbed on the complex and precipitate together. Promote the instability of colloidal substances and produce precipitation, and the green plum juice can be clarified. The disadvantage of this clarification method is that the material needs to be clarified for a long time, is easily contaminated by microorganisms, the yield of green plum juice is low, and the clarification effect is not ideal. 2. Pectinase clarification method: Use pectinase to decompose the pectin substances in the green plum pulp, hydrolyze the colloidal subst...

Claims

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Application Information

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IPC IPC(8): A23L2/06A23L2/08A23L2/84A23L2/72A23L2/80
Inventor 吴汉强李远志陈家广许立锵
Owner GUANGDONG JIABAO GRP CO LTD
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