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Method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage films

A technology for drinking water and concentrated juice, which is applied in the field of parallel production of sugarcane juice concentrate and sugarcane drinking water with multi-stage membranes, and can solve the problems of the destruction of sugarcane juice flavor substances and nutrients, the loss of sugarcane juice nutrients and flavor substances, and the sugarcane juice aromatic substances. The problem of large loss is to avoid the decomposition of heat-sensitive substances and the loss of flavor substances and nutrients, avoid the loss of nutrients and flavor substances, and reduce the frequency of film cleaning.

Active Publication Date: 2015-07-01
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Though this method can process the sugarcane concentrated juice that concentration is higher, thus helps to save the cost of transportation and storage, but still has many deficiencies: (1) after the sugarcane is squeezed out of the juice, the enzyme is deactivated, and the enzyme deactivation temperature High temperature (95-100°C) can easily cause the decomposition of heat-sensitive substances in sugarcane juice, such as sterols, alkanols and polyphenols, etc., resulting in the loss of nutrients and flavor substances in sugarcane juice; (2) Before ultrafiltration and clarification It needs to go through two cumbersome processes of centrifugation and enzymatic hydrolysis, high energy consumption, and sugarcane juice contains more nutrients needed for microbial growth, coupled with long enzymatic hydrolysis time (60-90min), it is very easy to infect bacteria , will cause sugarcane juice to deteriorate; (3) The temperature of evaporation and concentration is relatively high (the temperature of first-effect evaporation is close to 90°C), and the entrainment of mist in the evaporation process will cause a large loss of aromatic substances in sugarcane juice; (4) The heat load of thermal sterilization will lead to the destruction of flavor substances and nutrients in sugarcane juice, thus affecting the quality of sugarcane juice
Although this method extracts the water in the sugarcane and processes it into drinking water, it can extract the sugar in the sugarcane at the same time, but the condensed water of the first and second effects comes from the clarified sugarcane juice, and the sugarcane juice clarification process Added more chemical reagents as clarifiers, such as: lime, SO 2 , phosphoric acid and polyacrylamide, etc., the water obtained in this way will inevitably destroy the free radicals beneficial to the human body in sugarcane water, and even leave a small amount of harmful chemical substances, especially the monomer (acrylic acid) for synthesizing polyacrylamide. a carcinogen

Method used

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  • Method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage films
  • Method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage films
  • Method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage films

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Embodiment 1

[0044] A method for producing sugarcane concentrated juice and sugarcane drinking water in parallel with multi-stage membranes, the operation steps are:

[0045] (1) Blanch and eliminate enzymes: select fresh and mature sugarcane, remove the raw materials of rotten pests, cut the sugarcane into sections, each section is 20-40cm long, and clean the sugarcane skin; then put the sugarcane into the sandwich pot adding water and boiling for 4 minutes to inactivate the oxidase in the sugarcane, prevent enzymatic browning in the processing process, and obtain the enzyme-inactivated sugarcane;

[0046] (2) Squeeze and extract juice: send the enzyme-inactivated sugarcane into a three-roller sugarcane press to squeeze out the juice to obtain virgin sugarcane juice;

[0047] (3) Coarse filtration: filtering virgin sugarcane juice through a decanter centrifuge with a pore size of 100.0 μm to obtain coarsely filtered sugarcane juice;

[0048] (4) The first ceramic membrane ultrafiltration...

Embodiment 2

[0064] A method for producing sugarcane concentrated juice and sugarcane drinking water in parallel with multi-stage membranes, the operation steps are:

[0065] (1) Blanch and eliminate enzymes: select fresh and mature sugarcane, remove the raw materials of rotten pests, cut the sugarcane into sections, each section is 20-40cm long, and clean the sugarcane skin; then put the sugarcane into the sandwich pot adding water and boiling for 5 minutes to inactivate the oxidase in the sugarcane, prevent enzymatic browning in the processing process, and obtain the enzyme-inactivated sugarcane;

[0066] (2) Squeeze and extract juice: send the enzyme-inactivated sugarcane into a three-roller sugarcane press to squeeze out the juice to obtain virgin sugarcane juice;

[0067] (3) Coarse filtration: the virgin sugarcane juice is filtered through a decanter centrifuge with a pore size of 150.0 μm to obtain coarsely filtered sugarcane juice;

[0068] (4) The first ceramic membrane ultrafilt...

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Abstract

The invention provides a method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage films. The method comprises the steps as follows: enabling sugarcanes to be subject to blanching enzyme deactivation, pressing and juice extracting and crude filtering sequentially, to obtain crudely filtered sugarcane juice; ultra-filtering and cleaning the crudely filtered sugarcane juice by a first ceramic film to obtain clear sugarcane juice; concentrating the clear sugarcane juice by an organic nano-filtration film to obtain a nano-filter clear solution and a nano-filter concentrated solution; ultra-filtering the nano-filter concentrated solution by a second ceramic film, sterilizing and filling sterilely to obtain the sugarcane concentrated juice; purifying the nano-filter clear solution by an organic reverse osmosis film to obtain a reverse osmosis clear solution; ultra-filtering and sterilizing the reverse osmosis clear solution by a third ceramic film, and filling sterilely to obtain the sugarcane drinking water. Based on the integration of film process separation, concentration, cold sterilizing and other functions, the high-quality sugarcane concentrated juice and sugarcane drinking water are produced in parallel with sugarcanes as a raw material, and the optimization of products and comprehensive utilization of sugarcane resource are prompted.

Description

technical field [0001] The invention relates to a method for parallel production of sugarcane concentrated juice and sugarcane drinking water by multi-stage membranes, belonging to the technical field of food processing. technical background [0002] Sugarcane is not only a raw material for sugar production, but also a unique fruit in subtropical and tropical regions. It is rich in juice, high in sugar content, and has a sweet taste, which is widely loved by people. In addition, sugarcane also has the functions of clearing away heat and detoxification, promoting body fluid and quenching thirst, harmonizing the stomach and relieving vomiting, nourishing yin and moistening dryness, etc. It is a high-quality raw material for the production of beverages. At present, the method of making beverage with sugarcane juice mainly contains two kinds: a kind of is directly squeezed sugarcane juice and is mixed with beverage; Limited by resources and raw materials, it is impossible for ...

Claims

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Application Information

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IPC IPC(8): A23L2/04A23L2/74
Inventor 李凯李文杭方学陆海勤谢彩锋
Owner GUANGXI UNIV
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