CN109497398A - The ozone treating system and method for deoxynivalenol in a kind of degradation wheat - Google Patents
The ozone treating system and method for deoxynivalenol in a kind of degradation wheat Download PDFInfo
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- CN109497398A CN109497398A CN201811279532.8A CN201811279532A CN109497398A CN 109497398 A CN109497398 A CN 109497398A CN 201811279532 A CN201811279532 A CN 201811279532A CN 109497398 A CN109497398 A CN 109497398A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
- A23L5/27—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption
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Abstract
The invention discloses the ozone treating systems and method of deoxynivalenol in a kind of degradation wheat.The system includes Ozone Water occurred pool, spray damping equipment, wheat wetting storehouse, flour mill, centrifugal deduster, centrifugal blower, ozone generator.The present invention uses the synergistic effect of high-concentration ozone water wheat wetting and ozone gas negative pressure transportation flour, it rejects ozone and washes wheat process, while effectively degradation DON toxicity, have not been changed the more universal wheat dry cleaning technique of industry instantly, on the one hand the invention is promoted to be easy to convert, another aspect this method does not have sewage discharge.During ozone closed circulation, the molten water concentration detector of ozone is installed in Ozone Water occurred pool, enter shelling flour mill mouth installation concentration of ozone gas detector in ozone gas, Ozone Water in monitor production process and concentration of ozone gas can be passed through, the accurate yield output for adjusting ozone generator, realizes controllableization of ozone degradation DON.
Description
Technical field
The invention belongs to microbiological treatment technical fields, more particularly, to deoxynivalenol in a kind of degradation wheat
The ozone treating system and method for bacterium enol.
Background technique
Deoxynivalenol bacterium dilute alcohol (following part abbreviation DON) is mainly produced by Fusarium graminearum and Fusarlum roseum
It is raw, and sickle-like bacteria is the main pathogenic bacteria of wheat scab, wheat scab also known as fusarium wilt (FHB), it is full generation
The disease of criticality is one of most destructive disease, damage in the wheat and other cereal of global warm and moist area growth
Degree is serious, and wheat scab and stripe rust of wheat and powdery mildew have formed the disease of the damage wheat greatly of the world three.
DON has the stability of height, heated to be not easily decomposed, also with the thermal stability and absolute acid stability of height.DON can
To interfere the activity of ribosomal peptidyl transferase in cell to hinder the synthesis of ribosomal circulation and inhibition protein.DON
Poisoning can cause gastrointestinal dysfunction, immune dysfunction and breeding function obstacle, therefore, in standard GB/T 2761-2011
Clearly stipulate that the DON maximum residue limit of wheat and its manufactured goods is 1000 μ g/kg.
The poison-removing method of DON mainly has physics detoxicity method (the methods of heating, absorption, ultraviolet, radiation), chemical detoxication at present
Method (the methods of alkaline process, oxidant, reducing agent), biological detoxication method (microbial cell absorption, Microbial Biotransformation and enzymatic water
The methods of solution).Wherein physical method is simple, and input cost is lower, but its effect is general, and improves power and realize high virus elimination rate
When, there is different degrees of influence to the nutritional quality of cereal, so physical method does not have universality in the food industry；Change
There are some security risks, chemical reagent may cause the change of food organoleptic attribute, fit for the addition of detoxifying agent in method
Reduction and the loss of nutritional ingredient of mouth property etc., it is also possible to which processed food is polluted；Biological method due at
This height, effect are unstable, limit the extensive use of this method.
DON of the ozone since its own has the characteristics that strong oxidizing property, half-life short, in degradation cereal and cereal products
Application be worldwide increasingly taken seriously.The discovery of existing correlative study both at home and abroad, either ozone gas or smelly
Oxygen water has obvious degradation effect to DON, while the quality of sample has no significant change in the case where ozone reasonable sanding.But
Wheat flour milling produce during, when with ozone gas dry process wheat, low concentration ozone detoxification efficiency is general, at high concentration
The discharge of ozone gas is new problem when reason；When with Ozone Water wheat wetting, under the prolonged high-moisture closed environment of wheat wetting, Ozone Water
Accelerated decomposition is unable to continued oxidation detoxification, is found according to correlative study (see 2 tempering time of attached drawing to vomitoxin content in wheat
Effect tendency figure), in wheat wetting early period, DON content is downward trend, but with the extension of tempering time, and DON content has few
Measure the trend of rise；And with ozone water immersion foam washing wheat, though effect is good, production cost is persistently put into, and sewage discharge also affects
The application of this method in actual production.
Summary of the invention
The purpose of the present invention is to solve the above problem, degrades during wheat flour milling deoxynivalenol bacterium for ozone
The practical application of enol provides a new method, cooperates with work using Ozone Water wheat wetting and ozone gas negative pressure transportation wheat flour
With, DON toxicity of effectively degrading, while the closed circulation mode of ozone, that is, guarantee the efficient utilization of ozone, while solving again
The problem of ozone waste gas discharge.
To achieve the goals above, the first aspect of the present invention provides deoxynivalenol in a kind of degradation wheat
Ozone treating system, which includes:
Ozone Water occurred pool, spray damping equipment, wheat wetting storehouse, flour mill, centrifugal deduster, centrifugal blower, ozone occur
Device；
The spray damping equipment is sequentially connected with the wheat wetting storehouse, flour mill and centrifugal deduster, as wheat flour milling
Logistics delivery pipeline；
The Ozone Water occurred pool is connect with the spray damping equipment, and the Ozone Water occurred pool is used for spray damping
Equipment provides Ozone Water, as Ozone Water transfer pipeline；
The Ozone Water occurred pool is also connected with ozone generator, and the ozone generator is used to occur to the Ozone Water
Ozone is provided in pond；
The centrifugal deduster, centrifugal blower, Ozone Water occurred pool are sequentially connected；
The ozone treating system is enclosed internal circulation system.
As a preferred embodiment of the present invention, oxygen rich source compressor, air-cooled quartz are provided in the ozone generator
Pipe and oxygenerator, the power of the ozone generator are 0.5~1kw.
As a preferred embodiment of the present invention, it is additionally provided with bag filter between the centrifugal deduster and centrifugal blower,
The centrifugal deduster, bag filter and centrifugal blower are sequentially connected.
As a preferred embodiment of the present invention, the Ozone Water occurred pool is also connected with the first ozone concentration detector,
For detecting the ozone concentration in Ozone Water occurred pool.
As a preferred embodiment of the present invention, the inlet of the flour mill is also connected with the detection of the second ozone concentration
Device, for detecting the concentration of the ozone gas entered in flour mill.
The second aspect of the present invention provide it is a kind of degradation wheat in deoxynivalenol method, this method use
Above-mentioned ozone treating system, this method comprises:
1) wheat wetting is carried out to the wheat spray Ozone Water after removal of impurities using spray damping equipment, makes the final moisture of wheat
15~17wt%；
2) wheat that step 1) obtains is milled in flour mill, negative pressure transportation is used in milling process, and to mill
The feeding inlet delivery of ozone gas of powder machine.
As a preferred embodiment of the present invention, in step 1), tempering time is 24~36h.
As a preferred embodiment of the present invention, in step 1), the concentration of Ozone Water is 1~30mg/L.
As a preferred embodiment of the present invention, in step 2), the concentration of ozone gas is 5~80mg/L.
As a preferred embodiment of the present invention, in step 1), the concentration of Ozone Water is 5~20mg/L.
As a preferred embodiment of the present invention, in step 2), the concentration of ozone gas is 20~60mg/L.
As a preferred embodiment of the present invention, on the basis of wheat weight, deoxynivalenol in wheat
Content is 1~5mg/kg.
According to the present invention, the measurement range of the first ozone concentration detector is 0~50mg/L, accuracy 0.1mg/
L；The measurement range of the second ozone concentration detector is 0~100mg/L, accuracy 0.1mg/L.
According to the present invention, the pipeline that those skilled in the art routinely use can be used between each processing unit to connect
It connects.
The advantages and positive effects of the present invention:
(1) present invention uses the synergistic effect of Ozone Water wheat wetting and ozone gas negative pressure transportation wheat flour, rejects Ozone Water
Wheat process is washed, while effectively degradation DON toxicity, has not been changed the more universal wheat dry cleaning technique of industry instantly, one
Aspect promotes the invention to be easy to convert, and another aspect this method does not have sewage discharge.
(2) Ozone Water wheat wetting ozone during wheat wetting is decomposed completely, and negative pressure transportation ensure that ozone gas in pipe
It does not leak in road, and the closed circulation mode of ozone, even more largely reduce the exhaust gas in entire production process
Discharge.
(3) during ozone closed circulation, the molten water concentration detector of ozone is installed in Ozone Water occurred pool, is being ground
Concentration of ozone gas detector is installed in the inlet of powder machine, can be dense by Ozone Water in monitor production process and ozone gas
Degree, the accurate yield output for adjusting ozone generator, realizes controllableization of ozone degradation DON.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Detailed description of the invention
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein in exemplary embodiment of the invention, identical reference label
Typically represent same parts.
Fig. 1 shows the signal of the ozone treating system of deoxynivalenol in a kind of degradation wheat of the invention
Figure.
Fig. 2 shows tempering times to the effect tendency figure of vomitoxin content in wheat.
Description of symbols: 1- Ozone Water occurred pool, 2- spray damping equipment, 3- wheat wetting storehouse, 4- flour mill, 5- centrifugation remove
Dirt device, 6- centrifugal blower, 7- ozone generator, 8- bag filter, the first ozone concentration of 9- detector, the second ozone of 10- are dense
Spend detector.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
Fig. 1 shows the signal of the ozone treating system of deoxynivalenol in a kind of degradation wheat of the invention
Figure, as shown in Figure 1, the ozone treating system includes:
It is Ozone Water occurred pool 1, spray damping equipment 2, wheat wetting storehouse 3, flour mill 4, centrifugal deduster 5, centrifugal blower 6, smelly
Oxygen Generator 7；
The spray damping equipment 2 is sequentially connected with the wheat wetting storehouse 3, flour mill 4 and centrifugal deduster 5；
The Ozone Water occurred pool 1 is connect with the flour mill 4, and the Ozone Water occurred pool 1 is also connected with ozone
Device 7, the ozone generator 7 is for providing ozone into the Ozone Water occurred pool 1；
The centrifugal deduster 5, centrifugal blower 6, Ozone Water occurred pool 1 are sequentially connected；
The Ozone Water occurred pool 1 is connect with the spray damping equipment 2, and the Ozone Water occurred pool 1 is used for spraying
Wetting system 2 provide Ozone Water；
The ozone treating system is enclosed internal circulation system.
Oxygen rich source compressor, air-cooled quartz ampoule and oxygenerator (not shown) are provided in the ozone generator 7, it is described smelly
The power of Oxygen Generator 7 is 0.5~1kw.
Bag filter 8 is additionally provided between the centrifugal deduster 5 and centrifugal blower 6, the centrifugal deduster 5, cloth bag remove
Dirt device 8 and centrifugal blower 6 are sequentially connected.
The Ozone Water occurred pool 1 is also connected with the first ozone concentration detector 9, for detecting in Ozone Water occurred pool 1
Ozone concentration.
The inlet of the flour mill 4 is also connected with the second ozone concentration detector 10, enters in flour mill 4 for detecting
Ozone concentration.
Head blight pollution wheat cleaning is completely placed in wheat wetting storehouse 3 using dry cleaning, at ozone of the present invention
When reason system is run, ozone is generated by ozone generator 7, is delivered to Ozone Water occurred pool 1, acquisition concentration is 1mg/L~30mg/
The Ozone Water is delivered to spray damping equipment 2 by L Ozone Water, smelly from wheat spray of the spray damping equipment 2 into wheat wetting storehouse 3
Oxygen water carries out wheat wetting, makes 15~17wt% of moisture of wheat, while the deoxynivalenol in wheat of degrading.Will
To wheat be milled in flour mill 4, be passed through in milling process in flour mill 4 feeding inlet and produced by ozone generator 7
Ozone gas, using negative pressure, transportation concentration is the ozone gas of 5mg/L~80mg/L into flour mill 4, the ozone gas being passed through
The degradation to deoxynivalenol is realized during milling and pneumatic conveying.After ozone gas is passed through flour mill 4,
As Pneumatic conveying pipeline is after 8 dedusting of 5 discharging of centrifugal deduster and bag filter, Ozone Water hair is sent by centrifugal blower 6
Raw 1 bottom of pond produces Ozone Water, and the ozone not dissolved in water is connected by pipeline with ozone generator pipeline, is passed through milling jointly
Machine 4.
The sample used in the embodiment of the present invention pollutes wheat raw grain wherein for the two kinds of head blight provided by grain depot:
Wheat A: deoxynivalenol content is 4.21mg/kg；
Wheat B: deoxynivalenol content is 1.38mg/kg.
In embodiment, DON detection method: according to GB5009.111-2016 " in food deoxynivalenol and its
The measurement of acetyl derivatives " in immunoaffinity chromatography purify high effective liquid chromatography for measuring.Dough Rheological detection method:
It is held according to GB/T 14614-2006 " the physical characteristic water absorption of wheat flour dough and the measurement farinograph method of rheological properties "
Row.
Embodiment 1:
Sample pretreatment: weighing 2kg wheat A, with experiment grain sorting sieve and stone remover go out impurity in wheat samples and
Stone.
The deoxynivalenol in wheat A is handled using above system and method.
Wheat wetting method: according to " NYT 1094.1-2006 wheat experimental milling part 1: equipment, sample preparation and profit
Wheat ", by wheat samples moisture regulation to 16wt%.
Wherein, it after head blight pollution wheat A vibrating screen and stone remover being cleaned out, is produced by Ozone Water occurred pool dense
Degree is 20mg/L Ozone Water, and wheat A moisture reaches 16wt% moisture to spray damping wheat wetting for 24 hours, is passed through in the feeding inlet of flour mill 4
The ozone gas of 60mg/L.
Embodiment 2:
Sample pretreatment: weighing 2kg wheat B, with experiment grain sorting sieve and stone remover go out impurity in wheat samples and
Stone.
The deoxynivalenol in wheat B is handled using above system and method.
Wheat wetting method: according to " NYT 1094.1-2006 wheat experimental milling part 1: equipment, sample preparation and profit
Wheat ", by wheat samples moisture regulation to 16wt%.
Wherein, it after head blight pollution wheat B vibrating screen and stone remover being cleaned out, is produced by Ozone Water occurred pool dense
Degree is 5mg/L Ozone Water, and wheat B moisture reaches 16wt% moisture to spray damping wheat wetting for 24 hours, strangles the break system of flour mill in cloth
Feeding inlet is passed through the ozone gas of 20mg/L.
Deoxynivalenol content in embodiment 1 and embodiment 2 is detected, the results are shown in Table 1, right
The Dough Rheological of wheat A and wheat B after degradation DON are detected, and the results are shown in Table 2.
DON content in 1 wheat A of table and wheat B pulverizing process
The Dough Rheological of wheat A and wheat B after the degradation of table 2 DON
As can be seen from Table 1, Ozone Water and the synergistic effect of ozone gas make the DON content drop of head blight pollution wheat
1.0mg/kg hereinafter, illustrate to national requirements can degrade that DON is exceeded to be reached within the scope of the running parameter provided in the present invention
The sample of 4.5mg/kg or so.Meanwhile from table 2 it can be seen that wheat A and wheat B before and after ozone treatment, when the formation of dough
Between and stablize that time change is less, wherein the ozone oxidation intensity of wheat A is higher, dough rheological index have it is micro- be decreased slightly as it is low, and it is small
The ozone oxidation intensity of wheat B is lower, and dough rheological index is basically unchanged, and illustrates to protect within the scope of running parameter of the invention
The wheat albinism line produced is demonstrate,proved to be basically unchanged.
Comparative example 1:
Wheat wetting:, will according to " NYT 1094.1-2006 wheat experimental milling part 1: equipment, sample preparation and wheat wetting "
Wheat samples moisture regulation is to 16%.
The concentration used respectively when wheat wetting is 0mg/L, 5mg/L, 10mg/L, 15mg/L, 20mg/L Ozone Water, is to DON
The wheat wheat wetting 48h of 1.29mg/kg.
As seen from Figure 2, untreated sample, that is, the blank in figure, with during distilled water wheat wetting, DON's
Content continues to increase on a small quantity, illustrates that the vomitoxin content in the case where humidity is high, in wheat is meeting as the time increases
And it is increased, distilled water wheat wetting is substituted with Ozone Water, DON content is first significantly reduced and slowly increased again, under four concentration gradients
Ozone Water can be substantially reduced DON content, but in 12h to the section 48h, it is found that a small amount of ascendant trend is presented in DON content.This says
Bright Ozone Water wheat wetting has degradation to vomitoxin in wheat, and since the moisture content in wheat increases, micro- in environment
Biological growth, vomitoxin content also have certain raising.Again because the Ozone Water water of wheat wetting is natively seldom, on wheat
Impurity and pollutant it is again more, reduce the solubility of Ozone Water, ozone just decomposes after effect, cannot continuous action again,
So can be within the regular hour, vomitoxin content is downward trend, but with the extension of tempering time, content of toxins has
The trend gone up on a small quantity.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. the ozone treating system of deoxynivalenol in a kind of degradation wheat, which is characterized in that the system includes:
Ozone Water occurred pool, spray damping equipment, wheat wetting storehouse, flour mill, centrifugal deduster, centrifugal blower, ozone generator；
The spray damping equipment is sequentially connected with the wheat wetting storehouse, flour mill and centrifugal deduster, as wheat flour milling logistics
Transfer pipeline；
The Ozone Water occurred pool is connect with the spray damping equipment, and the Ozone Water occurred pool is used for spray damping equipment
Ozone Water is provided, as Ozone Water transfer pipeline；
The Ozone Water occurred pool is also connected with ozone generator, and the ozone generator is used for into the Ozone Water occurred pool
Ozone is provided；
The centrifugal deduster, centrifugal blower, Ozone Water occurred pool are sequentially connected；
The ozone treating system is enclosed internal circulation system.
2. ozone treating system according to claim 1, wherein be provided with oxygen rich source compression in the ozone generator
Machine, air-cooled quartz ampoule and oxygenerator, the power of the ozone generator are 0.5~1kw.
3. ozone treating system according to claim 1, wherein be additionally provided with cloth between the centrifugal deduster and centrifugal blower
Bag dust collector, the centrifugal deduster, bag filter and centrifugal blower are sequentially connected.
4. ozone treating system according to claim 1, wherein it is dense that the Ozone Water occurred pool is also connected with the first ozone
Detector is spent, for detecting the ozone concentration in Ozone Water occurred pool.
5. ozone treating system according to claim 1, wherein the inlet of the flour mill is also connected with the second ozone
Concentration detector, for detecting the concentration of the ozone gas entered in flour mill.
6. a kind of method of deoxynivalenol in degradation wheat, which is characterized in that this method uses claim 1-5
Any one of described in ozone treating system, this method comprises:
1) wheat wetting is carried out to the wheat spray Ozone Water after removal of impurities using spray damping equipment, make the final moisture 15 of wheat~
17wt%；
2) wheat that step 1) obtains is milled in flour mill, negative pressure transportation is used in milling process, and to flour mill
Feeding inlet delivery of ozone gas.
7. according to the method described in claim 6, wherein, in step 1), tempering time is 24~36h.
8. according to the method described in claim 6, wherein,
In step 1), the concentration of Ozone Water is 1~30mg/L；
In step 2), the concentration of ozone gas is 5~80mg/L.
9. according to the method described in claim 6, wherein,
In step 1), the concentration of Ozone Water is 5~20mg/L；
In step 2), the concentration of ozone gas is 20~60mg/L.
10. according to the method described in claim 6, wherein, on the basis of wheat weight, deoxynivalenol in wheat
Content be 1~5mg/kg.
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| CN201811279532.8A CN109497398A (en) | 2018-10-30 | 2018-10-30 | The ozone treating system and method for deoxynivalenol in a kind of degradation wheat |
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| CN201811279532.8A CN109497398A (en) | 2018-10-30 | 2018-10-30 | The ozone treating system and method for deoxynivalenol in a kind of degradation wheat |
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| CN110200198A (en) * | 2019-05-29 | 2019-09-06 | 安徽雁飞粮油有限责任公司 | A kind of anti-mould and anti-moth storage method of flour |
| CN111296724A (en) * | 2020-03-03 | 2020-06-19 | 武汉轻工大学 | Application of cellulose carbonized microspheres and feed |
| CN111296725A (en) * | 2020-03-03 | 2020-06-19 | 武汉轻工大学 | Application of cellulose microspheres and feed |
| CN114570451A (en) * | 2022-03-04 | 2022-06-03 | 河南科技学院 | Treatment process for sterilization and enzyme deactivation in wheat wetting period |
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| CN111296724A (en) * | 2020-03-03 | 2020-06-19 | 武汉轻工大学 | Application of cellulose carbonized microspheres and feed |
| CN111296725A (en) * | 2020-03-03 | 2020-06-19 | 武汉轻工大学 | Application of cellulose microspheres and feed |
| CN114570451A (en) * | 2022-03-04 | 2022-06-03 | 河南科技学院 | Treatment process for sterilization and enzyme deactivation in wheat wetting period |
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