CN101485484A - Method for sterilizing concentrated apple turbid juice using high-voltage pulse electric field - Google Patents
Method for sterilizing concentrated apple turbid juice using high-voltage pulse electric field Download PDFInfo
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- CN101485484A CN101485484A CNA2009100213384A CN200910021338A CN101485484A CN 101485484 A CN101485484 A CN 101485484A CN A2009100213384 A CNA2009100213384 A CN A2009100213384A CN 200910021338 A CN200910021338 A CN 200910021338A CN 101485484 A CN101485484 A CN 101485484A
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Abstract
The invention discloses concentrated cloudy apple juice, which is a popular novel fruit juice product at present. The prior sterilization method causes serious damages to the heat sensitive substances in the concentrated apple juice and great loss of nutrients. The invention discloses a method for sterilizing the concentrated cloudy apple juice by using high voltage pulse electric fields and adopts a technical proposal comprising: building a sterilization room; arranging a temporary juice tank; a vacuum pump and a cooling device; arranging a high voltage pulse generator; setting working parameters; controlling sterilization temperature; concentrating and sterilizing cloudy juice; and detecting microbiological indexes. The method can kill harmful microorganisms in the concentrated cloudy apple juice effectively, reduce the survival rate of the harmful microorganisms to almost zero, and better protect the nutrients, color, scent and taste of the concentrated cloudy apple juice obviously than pasteurization. The sterilized concentrated cloudy juice meets national standards completely.
Description
Technical field
The present invention relates to a kind of method that concentrated apple juice is sterilized, specifically is to utilize high-pressure pulse electric concentrated apple juice to be carried out the method for quick pasteurisation.Belong to the Food Engineering Development field.
Background technology
Concentrated apple juice is very popular in the market a kind of novel concentrated apple juice product, because it has vitamin and micronutrient levels height, nutriment enrich, characteristics such as mouthfeel is full, the soft nature of local flavor, and more and more is subjected to people's favor.The sterilization mode of at present traditional concentrated apple juice is a heat sterilization, promptly utilizes steam that the temperature of inspissated juice is increased to about 100 ℃, thereby kills wherein various harmful microorganisms.There is tangible drawback in this method for disinfection, for some heat-sensitive substances in the inspissated juice very big destruction is arranged, and nutritional labeling has very big loss, makes inspissated juice lose original freshness, even also produces peculiar smell, and influence the quality of inspissated juice.High voltage pulsation electric-field sterilizing tech is emerging in recent years a kind of sterilization technology, have that sterilization effect is good, speed is fast, to advantages such as the nutriment destructiveness are little.But this kind Study on Technology majority also rests in device and the elementary exploitation of equipment at present, " the high-voltage pulse electric field sterilization device handler " announced as: State Intellectual Property Office (application number: 02152160.3), " high-pressure pulse electric sterilization process device for liquid food " (application number: 200710144498.9) specifically be used in the food processing example seldom, particularly the application in concentrating turbid juice production does not then appear in the newspapers especially.
Summary of the invention
The objective of the invention is to utilize the basic principle of high voltage pulsation electric-field sterilizing tech, special requirement at the apple juice sterilization, a kind of method of utilizing high-pressure pulse electric that concentrated apple juice is sterilized is set, reach both good bactericidal effect, can keep nutritional labeling and scenery material in the apple simultaneously again to greatest extent concentrated apple juice.
The present invention is achieved through the following technical solutions:
Temporary jar of sterilization treatment chamber → be provided with fruit juice, vavuum pump and cooling device → be provided with high-voltage pulse generator → settings running parameter → control sterilization temperature → concentrated turbid juice sterilization → detection microbiological indicator is set.
The present invention can effectively kill the harmful microorganism in the concentrated apple juice; it is almost nil that its survival rate is reduced to; its killing effect can be equal to pasteurize; the nutritional labeling of concentrated apple juice and the protection of color then obviously are better than pasteurize; randomly draw the concentrated turbid juice after the sterilization; carry out the monitoring of harmful microbes such as mould, saccharomycete, Escherichia coli according to state specified standards, testing result is that total plate count＜80cfu/mL, mould and saccharomycete＜10cfu/mL, coliform＜2MPN/mL, pathogenic bacteria do not detect.
Description of drawings
Fig. 1 is a high-voltage pulse treatment system schematic flow sheet of the present invention.
Fig. 2 is the structural representation of high-voltage pulse sterilization treatment of the present invention chamber.
Fig. 3 is the circuit diagram of high-voltage pulse generator of the present invention.
The specific embodiment
Specific embodiments of the present invention is:
1. the sterilization treatment chamber is set
The sterilization treatment chamber is made of two parallel disc type electrodes and two electrically potentiometers, install cooling jacket between two electrodes, utilize ion-conductive membranes that electrode and concentrated turbid juice are isolated, ion-conductive membranes available polyethylene sulphonic acid ester, acrylic acid copolymer or fluorinated hydrocarbon are made, between electrode and ion-conductive membranes, form electrical conduction by electrolyte, when electrolyte solution circulates, get rid of electrolysate at any time, the electrolyte solution that electrolyte concentration more renews when changing;
2. temporary jar of fruit juice, vavuum pump and cooling device are set
Temporary jar of fruit juice, vavuum pump and cooling device are set respectively and are connected in that sterilization treatment is outdoor with the sterilization treatment chamber;
3. high-voltage pulse generator is set
High-voltage pulse generator is made up of high-voltage DC power supply, high-voltage trigger, storage capacitor, high-voltage DC power supply is the alternating current that the common alternating current of 220V is become several hectovolts by transformer, become high voltage direct current through over commutation then, current-limiting resistance R is set simultaneously
1, resistance R in limited time
2, charging resistor R
3, charging resistor R
3Form charging circuit, current-limiting resistance R with storage capacitor C
1, resistance R in limited time
2, storage capacitor C and fruit juice forms discharge circuit, the charge and discharge process is controlled by switch, the open frequency of switch is controlled by high-voltage trigger;
4. set the sterilization parameter
Before the sterilization, open high-voltage pulse generator, set every technological parameter of high-pressure pulse electric according to technological requirement:
Electric-field intensity 5～100kV/cm
Pulse frequency 1～120Hz
2～150 of pulse numbers;
5. control sterilization temperature
In the time of high-pressure pulse electric sterilization, temperature controller is monitored the variations in temperature of fruit juice in the process chamber in real time, and monitoring range is arranged on 5～35 ℃, if the temperature of fruit juice surpasses this scope, then starts cooling device and lowers the temperature;
6. concentrate the sterilization of turbid juice
Open computer and temperature controller dispatch control system, operation conditions to whole system is monitored, after guaranteeing that each apparatus working is normal, just can begin to concentrate turbid juice and carry out sterilization, to concentrate turbid juice with vavuum pump and from the temporary jar of fruit juice, inject the sterilization treatment chamber, concentrating the sterilizing time of turbid juice in the sterilization treatment chamber is 8ms～75s, and the sterilization to concentrated apple juice is promptly finished in concentrated turbid juice outflow sterilization treatment chamber;
7. detection microbiological indicator
Monitor microbiological indicator in real time, the concentrated turbid juice after getting 100～300mL sterilization in 4～6 hours carries out harmful microbes monitorings such as mould, saccharomycete, Escherichia coli according to state specified standards, so that the checking bactericidal effect.
Claims (1)
1. the method for utilizing high-pressure pulse electric that concentrated apple juice is sterilized is characterized in that being undertaken by following embodiment:
1.1 the sterilization treatment chamber is set
The sterilization treatment chamber is made of two parallel disc type electrodes and two electrically potentiometers, install cooling jacket between two electrodes, utilize ion-conductive membranes that electrode and concentrated turbid juice are isolated, ion-conductive membranes available polyethylene sulphonic acid ester, acrylic acid copolymer or fluorinated hydrocarbon are made, between electrode and ion-conductive membranes, form electrical conduction by electrolyte, when electrolyte solution circulates, get rid of electrolysate at any time, the electrolyte solution that electrolyte concentration more renews when changing;
1.2 temporary jar of fruit juice, vavuum pump and cooling device are set
Temporary jar of fruit juice, vavuum pump and cooling device are set respectively and are connected in that sterilization treatment is outdoor with the sterilization treatment chamber;
1.3 high-voltage pulse generator is set
High-voltage pulse generator is made up of high-voltage DC power supply, high-voltage trigger, storage capacitor, high-voltage DC power supply is the alternating current that the common alternating current of 220V is become several hectovolts by transformer, become high voltage direct current through over commutation then, current-limiting resistance R is set simultaneously
1, resistance R in limited time
2, charging resistor R
3, charging resistor R
3Form charging circuit, current-limiting resistance R with storage capacitor C
1, resistance R in limited time
2, storage capacitor C and fruit juice forms discharge circuit, the charge and discharge process is controlled by switch, the open frequency of switch is controlled by high-voltage trigger;
1.4 set the sterilization parameter
Before the sterilization, open high-voltage pulse generator, set every technological parameter of high-pressure pulse electric according to technological requirement:
Electric-field intensity 5～100kV/cm
Pulse frequency 1～120Hz
2～150 of pulse numbers;
1.5 control sterilization temperature
In the time of high-pressure pulse electric sterilization, temperature controller is monitored the variations in temperature of fruit juice in the process chamber in real time, and monitoring range is arranged on 5～35 ℃, if the temperature of fruit juice surpasses this scope, then starts cooling device and lowers the temperature;
1.6 concentrate the sterilization of turbid juice
Open computer and temperature controller dispatch control system, operation conditions to whole system is monitored, after guaranteeing that each apparatus working is normal, just can begin to concentrate turbid juice and carry out sterilization, to concentrate turbid juice with vavuum pump and from the temporary jar of fruit juice, inject the sterilization treatment chamber, concentrating the sterilizing time of turbid juice in the sterilization treatment chamber is 8ms～75s, and the sterilization to concentrated apple juice is promptly finished in concentrated turbid juice outflow sterilization treatment chamber;
1.7 detection microbiological indicator
Monitor microbiological indicator in real time, the concentrated turbid juice after getting 100～300mL sterilization in 4～6 hours carries out harmful microbes monitorings such as mould, saccharomycete, Escherichia coli according to state specified standards, so that the checking bactericidal effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100213384A CN101485484A (en) | 2009-03-03 | 2009-03-03 | Method for sterilizing concentrated apple turbid juice using high-voltage pulse electric field |
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| CNA2009100213384A CN101485484A (en) | 2009-03-03 | 2009-03-03 | Method for sterilizing concentrated apple turbid juice using high-voltage pulse electric field |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978908A (en) * | 2010-09-10 | 2011-02-23 | 北京林业大学 | High-voltage pulse treatment method for reducing loss amount of apple polyphenol in storage process |
| CN103349339A (en) * | 2013-04-03 | 2013-10-16 | 华南理工大学 | Pulse electric field treatment chamber |
| WO2016029589A1 (en) * | 2014-08-29 | 2016-03-03 | 华南理工大学 | Method for improving freeze concentration quality of fruit juice with the assistance of variable-voltage direct-current electric field |
| CN108142772A (en) * | 2018-01-31 | 2018-06-12 | 德清秋水果汁有限公司 | A kind of fruit juice high pressure sterilization device |
| CN108271989A (en) * | 2018-01-15 | 2018-07-13 | 北京林业大学 | A kind of blueberry juice non-thermal sterilization microprocessor room, disinfection system and method for disinfection |
| CN108850787A (en) * | 2018-08-31 | 2018-11-23 | 北京中电聚能新技术有限公司 | A kind of solution sterilization algae removal device |
| CN109699869A (en) * | 2017-10-26 | 2019-05-03 | 湖南飞天光电科技有限公司 | A kind of food sterilization fresh-keeping system and method |
| CN110338330A (en) * | 2018-04-04 | 2019-10-18 | 襄阳九鼎昊天环保设备有限公司 | A kind of high-pressure pulse electric sterilization system |
| CN110754603A (en) * | 2018-07-28 | 2020-02-07 | 周子恒 | Pulse highlight sterilization device and application method |
| CN112841487A (en) * | 2020-12-31 | 2021-05-28 | 山西国投中鲁果汁有限公司 | Processing method of high-color-protection sugar-core apple caries-prevention instant gas-producing solid beverage |
| CN112841460A (en) * | 2020-12-31 | 2021-05-28 | 山西国投中鲁果汁有限公司 | Green processing method of natural sugar core fruit particle apple juice |
| CN117413897A (en) * | 2023-12-18 | 2024-01-19 | 山东农圣恒昌农业科技有限公司 | Composite vegetable juice fermented beverage and production method thereof |
-
2009
- 2009-03-03 CN CNA2009100213384A patent/CN101485484A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978908A (en) * | 2010-09-10 | 2011-02-23 | 北京林业大学 | High-voltage pulse treatment method for reducing loss amount of apple polyphenol in storage process |
| CN101978908B (en) * | 2010-09-10 | 2012-10-24 | 北京林业大学 | High-voltage pulse treatment method for reducing loss amount of apple polyphenol in storage process |
| CN103349339A (en) * | 2013-04-03 | 2013-10-16 | 华南理工大学 | Pulse electric field treatment chamber |
| CN103349339B (en) * | 2013-04-03 | 2014-10-08 | 华南理工大学 | Pulse electric field treatment chamber |
| WO2016029589A1 (en) * | 2014-08-29 | 2016-03-03 | 华南理工大学 | Method for improving freeze concentration quality of fruit juice with the assistance of variable-voltage direct-current electric field |
| CN109699869A (en) * | 2017-10-26 | 2019-05-03 | 湖南飞天光电科技有限公司 | A kind of food sterilization fresh-keeping system and method |
| CN108271989A (en) * | 2018-01-15 | 2018-07-13 | 北京林业大学 | A kind of blueberry juice non-thermal sterilization microprocessor room, disinfection system and method for disinfection |
| CN108271989B (en) * | 2018-01-15 | 2021-06-29 | 北京林业大学 | Non-thermal sterilization micro-processing chamber, sterilization system and sterilization method for blueberry juice |
| CN108142772A (en) * | 2018-01-31 | 2018-06-12 | 德清秋水果汁有限公司 | A kind of fruit juice high pressure sterilization device |
| CN110338330A (en) * | 2018-04-04 | 2019-10-18 | 襄阳九鼎昊天环保设备有限公司 | A kind of high-pressure pulse electric sterilization system |
| CN110754603A (en) * | 2018-07-28 | 2020-02-07 | 周子恒 | Pulse highlight sterilization device and application method |
| CN108850787A (en) * | 2018-08-31 | 2018-11-23 | 北京中电聚能新技术有限公司 | A kind of solution sterilization algae removal device |
| CN108850787B (en) * | 2018-08-31 | 2024-04-30 | 北京中电聚能新技术有限公司 | Solution sterilization algae removal device |
| CN112841487A (en) * | 2020-12-31 | 2021-05-28 | 山西国投中鲁果汁有限公司 | Processing method of high-color-protection sugar-core apple caries-prevention instant gas-producing solid beverage |
| CN112841460A (en) * | 2020-12-31 | 2021-05-28 | 山西国投中鲁果汁有限公司 | Green processing method of natural sugar core fruit particle apple juice |
| CN117413897A (en) * | 2023-12-18 | 2024-01-19 | 山东农圣恒昌农业科技有限公司 | Composite vegetable juice fermented beverage and production method thereof |
| CN117413897B (en) * | 2023-12-18 | 2024-02-20 | 山东农圣恒昌农业科技有限公司 | Composite vegetable juice fermented beverage and production method thereof |
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