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Guava processing method

A processing method, the technology of guava, applied in the field of processing guava by ultrafiltration technology, can solve the problems that cannot be proposed and utilized, and achieve the effects of increasing comprehensive utilization rate, good clarity, and improving economic benefits

Inactive Publication Date: 2006-07-19
JINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both guava beverage production processes failed to propose and utilize guava polysaccharides as functional ingredients

Method used

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  • Guava processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 Shown, guava processing method of the present invention is as follows:

[0020] a) Fragmentation of guava: 100Kg of guava fruit is cut into small pieces, and crushed into pieces with a stainless steel crusher.

[0021] b) defibrination of guava: add 200Kg of water filtered through sand and activated carbon to the crushed guava fruit, and use colloid mill to grind into pulp to obtain 300Kg of guava pulp.

[0022] c) Filtration of guava pulp: filter the finely ground guava pulp with a juice filter press to obtain 250Kg of light gray-green guava extract.

[0023] d) Filtration of the guava extract: filter the guava extract by using a plate-and-frame filter to remove insoluble solids therein.

[0024] e) Ultrafiltration: Use an ultrafiltration device with a molecular weight cut-off of 10KDa or 20KDa to carry out ultrafiltration and separation of the guava extract until the filtrate reaches 200L, add 50L of pure water to the retained liquid, and perform ul...

Embodiment 2

[0028] a) Fragmentation of guava: Cut 5Kg of guava fruit into small pieces, and grind it into pieces with a food processor.

[0029] b) Refining of guava: Add 15 L of water filtered through sand and activated carbon to the crushed guava fruit grains, and use colloidal grinding to grind into pulp to obtain 20 L of guava pulp.

[0030] c) Filtration of guava pulp: filter the finely ground guava pulp with a centrifugal filter to obtain 17 L of light gray-green guava extract.

[0031] d) Filtration of the guava extract with a plate-and-frame filter: filter the guava extract with a plate-and-frame filter to remove insoluble solids therein.

[0032] e) Ultrafiltration: Use an ultrafiltration device with a molecular weight cut-off of 5KDa to carry out ultrafiltration and separation of the guava extract to a filtrate of 12L, add 5L of pure water to the retentate, and perform ultrafiltration again to obtain a secondary filtrate of 8L , combined two ultrafiltration filtrates to obtain ...

Embodiment 3

[0036] According to the operation in Example 2, 10 L of water and 3.5 g of sucralose were added to the obtained ultrafiltration filtrate 10 L (the addition of sucralose ensures that the sweetness of the beverage is equivalent to the sweetness of 9 to 11% sucrose) , citric acid 0.01kg, its add-on is 0.05% of the guava fruit juice drink weight, guava essence 0.002kg (the guava essence add-on is the 0.01% of the guava fruit drink weight.) Allotment, the filtrate after allotment Adopt 121 ℃, 8min heat sterilization, make guava juice drink 20L.

[0037] Other steps are identical with embodiment 2.

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Abstract

The invention belongs to foodstuff preparing field, providing a process for preparing guava, comprising the following steps: bruising guava, grinding, filtering; filtering with plate and frame filter; hyperfiltering; adding cane sugar, edulcorant, lemon acid and essence into filter liquid for deploying, sterilizing with high temperature and getting guava juice; hyperfiltering, vacuum condensing and spraying for drying or drying in frozen and getting guava polysaccharide. The invention improves the clarity of the guava juice, improves the synthetic availability ratio of guava raw material and increases economic benefit of company producing the juice.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a method for processing guava by ultrafiltration technology. Background technique [0002] Guava is a kind of fruit with special flavor, and its juice drinks are very popular among people. Guava is rich in polysaccharides and protein substances, which has a good hypoglycemic effect. However, due to the large amount of polysaccharides in guava, the viscosity of the fruit juice is high, which affects the juice yield and the clarity of the product. In the previous guava juice production process, these macromolecular polysaccharides and protein substances were removed as substances harmful to product quality, and guava polysaccharides were not comprehensively applied as a functional component useful to the human body until So far, there is no report on the isolation of guava crude polysaccharides with hypoglycemic function by using guava fruit. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/04A23L2/72
Inventor 吴建中傅亮虞斌
Owner JINAN UNIVERSITY
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