CN101380134B - Method for reducing organophosphorus pesticide in fruit vegetable juice - Google Patents
Method for reducing organophosphorus pesticide in fruit vegetable juice Download PDFInfo
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- CN101380134B CN101380134B CN2008102243089A CN200810224308A CN101380134B CN 101380134 B CN101380134 B CN 101380134B CN 2008102243089 A CN2008102243089 A CN 2008102243089A CN 200810224308 A CN200810224308 A CN 200810224308A CN 101380134 B CN101380134 B CN 101380134B
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Abstract
The invention discloses a method for reducing organophosphorus pesticide residue in fruit and vegetable juice, and belongs to the technical filed of food safety. The fruit and vegetable juice to be treated is added to a treatment chamber by an ultrasonic device, a constant temperature circulator is opened the temperature of which is set to perform precooling on the fruit and vegetable juice to be treated; the ultrasonic treatment power is set, and the temperature of the constant temperature circulator is set to cool the fruit and vegetable juice to be treated by circulating water; the ultrasonic device is started to begin ultrasonic treatment and obtain the treated fruit and vegetable juice. After the fruit and vegetable juice is treated by the ultrasonic technology, the concentration of the organophosphorus pesticide in the treated fruit and vegetable juice is significantly reduced. In addition, by adopting a circulating water cooling device, the method avoids adverse effect of heating on the flavor of the fruit and vegetable juice after the ultrasonic treatment. The method is easy and feasible, and can be used for removing the organophosphorus pesticide in other liquid food.
Description
Technical field
The invention belongs to the food security technical field, particularly a kind of method that reduces organophosphorus pesticide in fruit vegetable juice.
Background technology
Fruits and vegetables can provide abundant vitamin and the mineral matter of needed by human body.In recent years, the production and consumption amount of Juice presents the trend that increasingly rises.But in the growth course of fruit and vegetable, need repeatedly applying pesticides to reach the purpose that destroys plant diseases and insect pests.This causes the higher phenomenon of Juice Pesticide Residues frequently to occur.Wherein, organophosphorus pesticide is one of residues of pesticides the most common in the Juice.Studies show that, organophosphorus pesticide can form the phosphorylated cholinesterase with cholinesterase in human body, cholinesterase activity is suppressed, thus the normal function of the system that affects the nerves.In addition, organophosphorus pesticide also has cytotoxicity, genetoxic and genotoxicity.Therefore, the organophosphorus pesticide of seeking to remove in the Juice is significant for assurance food security, protection health.
At present, the method for removing the Juice Pesticide Residues has a variety of, for example, the physical cleaning fruits and vegetables and to fruit peel, hydrogen peroxide edman degradation Edman, ozone degradation method, microbial degradation method and absorption method etc.But for the residues of pesticides in removing Juice, all there is certain defective in these methods.For example, the physical cleaning fruit and vegetable surfaces has certain effect for reducing residues of pesticides, but is unsuitable for large-scale industrial production; And the ozone degradation method can affect nutrition and the local flavor of Juice.
Ultrasonic wave is that frequency is greater than the elastic wave of 20kHz.In recent years, the cavitation effect that has utilized gradually ultrasonic wave to produce is realized the degraded of the organic pollution in the waste water.Ultrasonic technology then is mainly used in the aspects such as extraction, inactive enzyme work, killing microorganisms and acceleration emulsification of functional components in food industry.Ultrasonic technology is applied to degrade, and the research of organophosphorus pesticide yet there are no report at home and abroad in the Juice.
Summary of the invention
The purpose of this invention is to provide a kind of method that reduces organophosphorus pesticide in fruit vegetable juice, it is characterized in that, adopt following steps:
(1) in process chamber, adds pending Juice;
(2) open constant temperature circulator, it is 5～15 ℃ that the constant temperature circulating actuator temperature is set, and pending Juice is carried out recirculated water precooling 5～10min;
(3) setting the ultrasonic wave processing power is 100～500W, and setting simultaneously the constant temperature circulating actuator temperature is 15～40 ℃, and Juice is carried out circulating water, starts ultrasonic unit, begins to carry out ultrasonic wave and processes;
(4) ultrasonic wave is processed 15～120min, the Juice after obtaining processing.
Described organophosphorus pesticide comprises diazinon, chlopyrifos and malathion.
Beneficial effect of the present invention is: adopt ultrasonic technology that Juice is processed, organophosphorus pesticide in fruit vegetable juice concentration after treatment is significantly reduced.In addition, because adopting circulating water cooling device in the processing procedure, avoided ultrasonic wave to process the rear harmful effect to the Juice local flavor that heats up and cause.This method is simple and easy to do, also can be used for the removal of organophosphorus pesticide in other food liquid.
The specific embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1
A kind of method that reduces organophosphorus pesticide in fruit vegetable juice is used the method and is processed cider, adopts following steps:
(1) in process chamber, adds pending cider 1L;
(2) open constant temperature circulator, it is 10 ℃ that the constant temperature circulating actuator temperature is set, to the pending cider precooling 8min that circulates;
(3) setting the ultrasonic wave processing power is 100W, and setting simultaneously the constant temperature circulating actuator temperature is 30 ℃, and cider is carried out circulating cooling, starts ultrasonic unit, begins to carry out ultrasonic wave and processes;
(4) ultrasonic wave is processed 60min, the cider after obtaining processing.
Described organophosphorus pesticide comprises diazinon, chlopyrifos and malathion.
The temperature decline of the cider quality that causes that raises makes processed cider cooling by the series circulation cooling device in the ultrasonic wave processing procedure.
Adopt gas-chromatography-flame photometric detector that organophosphorus pesticide in fruit vegetable juice is detected.The degradation effect of agricultural chemicals represents with degradation rate (%):
Degradation rate=(1-C
t/ C
0) * 100%.
C wherein
tAnd C
0Before and after representing that respectively ultrasonic wave is processed, the concentration of organophosphorus pesticide (mg/L) in the Juice.
As calculated, the degradation rate that obtains diazinon in the cider, chlopyrifos and malathion is respectively 36.7%, 29.1% and 15.3%.
Embodiment 2
A kind of method that reduces organophosphorus pesticide in fruit vegetable juice is used the method and is processed carrot juice, adopts following steps:
(1) in process chamber, adds pending carrot juice 200ml;
(2) open constant temperature circulator, it is 15 ℃ that the constant temperature circulating actuator temperature is set, to the pending carrot juice precooling 5min that circulates;
(3) setting the ultrasonic wave processing power is 300W, and setting simultaneously the constant temperature circulating actuator temperature is 15 ℃, and carrot juice is carried out circulating cooling, starts ultrasonic unit, begins to carry out ultrasonic wave and processes;
(4) ultrasonic wave is processed 90min, the carrot juice after obtaining processing.
Described organophosphorus pesticide comprises diazinon, chlopyrifos and malathion.
The temperature decline of the carrot juice quality that causes that raises makes processed carrot juice cooling by the series circulation water-cooling apparatus in the ultrasonic wave processing procedure.
Adopt gas-chromatography-flame photometric detector that organophosphorus pesticide in fruit vegetable juice is detected.The degradation effect of agricultural chemicals represents with degradation rate (%):
Degradation rate=(1-C
t/ C
0) * 100%.
C wherein
tAnd C
0Before and after representing that respectively ultrasonic wave is processed, the concentration of organophosphorus pesticide (mg/L) in the Juice.
As calculated, the degradation rate that obtains diazinon in the carrot juice, chlopyrifos and malathion is respectively 60.1%, 55.1% and 31.2%.
Embodiment 3
A kind of method that reduces organophosphorus pesticide in fruit vegetable juice is used the method and is processed Celery Juice, adopts following steps:
(1) in container, adds pending Celery Juice 750mL;
(2) open constant temperature circulator, it is 5 ℃ that the constant temperature circulating actuator temperature is set, to the pending Celery Juice precooling 10min that circulates;
(3) setting the ultrasonic wave processing power is 500W, and setting simultaneously the constant temperature circulating actuator temperature is 25 ℃, and Celery Juice is carried out circulating cooling, starts ultrasonic unit, begins to carry out ultrasonic wave and processes;
(4) ultrasonic wave is processed 120min, the Celery Juice after obtaining processing.
Described organophosphorus pesticide comprises diazinon, chlopyrifos and malathion.
The temperature decline of the Celery Juice quality that causes that raises makes processed Celery Juice cooling by the series circulation cooling device in the ultrasonic wave processing procedure.
Adopt gas-chromatography-flame photometric detector that organophosphorus pesticide in fruit vegetable juice is detected.The degradation effect of agricultural chemicals represents with degradation rate (%):
Degradation rate=(1-C
t/ C
0) * 100%.
C wherein
tAnd C
0Before and after representing that respectively ultrasonic wave is processed, the concentration of organophosphorus pesticide (mg/L) in the Juice.
As calculated, the degradation rate that obtains diazinon in the Celery Juice, chlopyrifos and malathion is respectively 82.0%, 82.0% and 41.7%.
Claims (2)
1. a method that reduces organophosphorus pesticide in fruit vegetable juice is characterized in that, adopts following steps:
(1) in process chamber, adds pending Juice;
(2) open constant temperature circulator, it is 5～15 ℃ that the constant temperature circulating actuator temperature is set, and pending Juice is carried out recirculated water precooling 5～10min;
(3) setting the ultrasonic wave processing power is 100～500W, and setting simultaneously the constant temperature circulating actuator temperature is 15～40 ℃, and Juice is carried out circulating water, starts ultrasonic unit, begins to carry out ultrasonic wave and processes;
(4) ultrasonic wave is processed 15～120min, the Juice after obtaining processing.
2. a kind of method that reduces organophosphorus pesticide in fruit vegetable juice according to claim 1 is characterized in that, described organophosphorus pesticide comprises diazinon, chlopyrifos and malathion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102243089A CN101380134B (en) | 2008-10-16 | 2008-10-16 | Method for reducing organophosphorus pesticide in fruit vegetable juice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102243089A CN101380134B (en) | 2008-10-16 | 2008-10-16 | Method for reducing organophosphorus pesticide in fruit vegetable juice |
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| CN101380134A CN101380134A (en) | 2009-03-11 |
| CN101380134B true CN101380134B (en) | 2013-05-01 |
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| CN2008102243089A Active CN101380134B (en) | 2008-10-16 | 2008-10-16 | Method for reducing organophosphorus pesticide in fruit vegetable juice |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238766A (en) * | 2013-05-31 | 2013-08-14 | 陈�光 | Fruit and vegetable pesticide residue vacuum cleaner |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423019B (en) * | 2011-11-17 | 2013-01-02 | 宁波海通食品科技有限公司 | Physical and chemical treatment method for degradation of specific pesticide-containing vegetable raw material before processing, and quality guaranteeing |
| CN103284025B (en) * | 2013-06-26 | 2014-06-18 | 中南林业科技大学 | Method for reducing pesticide residues in fruits and vegetables |
| CN103559814B (en) * | 2013-11-11 | 2016-01-27 | 河海大学常州校区 | Multi-frequency ultrasonic medicine residual cleaning degradation experiment platform |
| CN103918954B (en) * | 2014-04-18 | 2016-04-06 | 重庆鸿紫圆光生物科技有限公司 | A kind of use ultrasonic wave to process food method and ultrasonic food processing machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2860299Y (en) * | 2005-11-28 | 2007-01-24 | 广东鑫艳电器有限责任公司 | Cleaning and detoxifying device for fruit, vegetable and meat |
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- 2008-10-16 CN CN2008102243089A patent/CN101380134B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2860299Y (en) * | 2005-11-28 | 2007-01-24 | 广东鑫艳电器有限责任公司 | Cleaning and detoxifying device for fruit, vegetable and meat |
Non-Patent Citations (2)
| Title |
|---|
| 傅敏等."超声波降解有机磷农药乐果的实验研究".《重庆环境科学》.2003,第25卷(第12期),第27页第1.3和2.1节. |
| 陈芳等."浓缩苹果汁中农药残留去除方法的研究现状及展望".《食品与发酵工业》.2005,第31卷(第9期),第66-69页. |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238766A (en) * | 2013-05-31 | 2013-08-14 | 陈�光 | Fruit and vegetable pesticide residue vacuum cleaner |
| CN103238766B (en) * | 2013-05-31 | 2014-07-23 | 陈�光 | Fruit and vegetable pesticide residue vacuum cleaner |
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| CN101380134A (en) | 2009-03-11 |
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