CN109682805A - A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique - Google Patents
A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique Download PDFInfo
- Publication number
- CN109682805A CN109682805A CN201910112959.7A CN201910112959A CN109682805A CN 109682805 A CN109682805 A CN 109682805A CN 201910112959 A CN201910112959 A CN 201910112959A CN 109682805 A CN109682805 A CN 109682805A
- Authority
- CN
- China
- Prior art keywords
- zntpp
- aquatic products
- sensitive sensor
- reaction chamber
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 26
- 239000010935 stainless steel Substances 0.000 claims abstract description 26
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000001556 precipitation Methods 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000001338 self-assembly Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- KVYRCBOUKXJXDK-UHFFFAOYSA-N 3,4-dimethylphenazine-1,2-diamine hydrochloride Chemical compound Cl.C1=CC=CC2=NC3=C(C)C(C)=C(N)C(N)=C3N=C21 KVYRCBOUKXJXDK-UHFFFAOYSA-N 0.000 claims description 4
- FRPHFZCDPYBUAU-UHFFFAOYSA-N Bromocresolgreen Chemical compound CC1=C(Br)C(O)=C(Br)C=C1C1(C=2C(=C(Br)C(O)=C(Br)C=2)C)C2=CC=CC=C2S(=O)(=O)O1 FRPHFZCDPYBUAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000007793 ph indicator Substances 0.000 claims description 4
- 150000004032 porphyrins Chemical class 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 3
- 241000883990 Flabellum Species 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 229920009405 Polyvinylidenefluoride (PVDF) Film Polymers 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 229960003511 macrogol Drugs 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000037452 priming Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- YNHJECZULSZAQK-UHFFFAOYSA-N tetraphenylporphyrin Chemical compound C1=CC(C(=C2C=CC(N2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3N2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 YNHJECZULSZAQK-UHFFFAOYSA-N 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- CEQFOVLGLXCDCX-WUKNDPDISA-N methyl red Chemical compound C1=CC(N(C)C)=CC=C1\N=N\C1=CC=CC=C1C(O)=O CEQFOVLGLXCDCX-WUKNDPDISA-N 0.000 claims description 2
- BELBBZDIHDAJOR-UHFFFAOYSA-N Phenolsulfonephthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2S(=O)(=O)O1 BELBBZDIHDAJOR-UHFFFAOYSA-N 0.000 claims 1
- 238000003760 magnetic stirring Methods 0.000 claims 1
- 229960003531 phenolsulfonphthalein Drugs 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 11
- 241000251468 Actinopterygii Species 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 241001533364 Portunus trituberculatus Species 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- OBRMNDMBJQTZHV-UHFFFAOYSA-N cresol red Chemical compound C1=C(O)C(C)=CC(C2(C3=CC=CC=C3S(=O)(=O)O2)C=2C=C(C)C(O)=CC=2)=C1 OBRMNDMBJQTZHV-UHFFFAOYSA-N 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000008786 sensory perception of smell Effects 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013210 evaluation model Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The present invention provides a kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique, including host computer, camera, cylindrical stainless steel storehouse, color sensitive sensor, color sensitive sensor placement plate, reaction chamber, pump, air inlet pipeline, outlet pipe and electric heating temperature control system.The present invention also provides a kind of aquatic products Noninvasive Measuring Method of Freshness based on smell-seeing fingerprint technique simultaneously, its freshness is detected using the color change reacted with the escaping gas in aquatic products purchase, transportation and sales, processing, storage the sensitive quick material of color of aquatic products freshness feature escaping gas, nanosizing modification is carried out to the quick material of color that aquatic products freshness feature escaping gas is sensitive by the surfactant combination precipitation method, improves the sensitivity of the quick material of color；Apparatus of the present invention and the method for detecting aquatic products freshness with the device, easy to operate, method intelligence, easily operated, detection system is at low cost, and detection sensitivity is high.
Description
Technical field
The present invention relates to the quick characterization detection devices and method of a kind of novel aquatic products freshness, refer in particular to one kind and are based on
The aquatic products storage of the quick material technology of color, sale, in production process freshness real-time detection apparatus and method, belong to agricultural product
Detection field.
Background technique
China is aquatic products production and big trading nation, because it is with protein abundant and vitamin, and the fat contained
Content is lower and is liked deeply by the majority of consumers.However, also fragile, interior just because of aquatic products moisture content height, musculature
Source protein enzyme activity jump, easily causes putrid and deteriorated, influences its edible quality and safety.
The detection method of the freshness of traditional aquatic products mainly has organoleptic analysis, physical examination, chemical analysis and micro- life
Quality testing is tested.As measured the Volatile Base Nitrogen in aquatic products in GB 5009.228-2016 using the way of distillation, however, this
Method and step is cumbersome, time-consuming, is difficult to field quick detection；Using the total plate count in culture sample in GB 4789-2016
The freshness of aquatic products is measured with large intestine total plate count, this method needs professional to operate, and especially time-consuming；SC/T 3048-
The freshness index K value of fish is measured in 2014 by high performance liquid chromatography, this method pre-treatment is cumbersome, and instrument cost is high
It is expensive, and generally it is only applicable to the freshness detection of the aquatic products at initial stage；In addition there are front surface fluorescent spectrometries, Raman spectroscopy
Deng, but these instrument prices are expensive, and under test, cannot be widely used in production at present in practice.
Smell-seeing fingerprint technique reacts the color difference of front and back under test gas under test gas using color sensitive sensor
Qualitative and quantitative analysis is carried out, has the advantages that objective, easy, high sensitivity, quantifiable.In recent years, color sensitive sensor technology
Related application, a kind of patent " side based on olfaction visualization detection fish freshness have been obtained in food and agricultural products detection field
Method and device " (application number: 201010262347.5) disclosing a kind of method and apparatus of olfaction visualization detection fish freshness,
But the device, than cumbersome, image acquiring device is scanner, it is difficult to meet the requirement of real-time monitoring；Such as a kind of sharp " fish
The quick nondestructive online test method and device of freshness " (patent No.: CN201210573719.5) although with camera instead of
Scanner, improves Image Acquisition efficiency, but device is still than cumbersome, and is all made of the original commercialization color of unmodified mistake
The color sensitive sensor array of quick material building, sensitivity need to be improved.The present invention proposes a kind of based on smell-seeing fingerprint skill
The real-time detection method and device that the aquatic products freshness of art quickly characterizes, the quick material of color are modified by self-assembly method,
The device volume is small, portable, and detected object range is wide, high sensitivity, can be used for aquatic products purchase, transportation and sales, processing, storage
The real-time monitoring of middle freshness.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of aquatic products freshness inspection based on smell-seeing fingerprint technique
Device and method is surveyed, to overcome above-mentioned deficiency present in existing the relevant technologies.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions:
A kind of aquatic products freshness detection device based on smell-seeing fingerprint technique, including host computer, camera, cylinder
Stainless steel storehouse, color sensitive sensor, color sensitive sensor placement plate, reaction chamber, pump, air inlet pipeline, outlet pipe and electric heating temperature control
System；
The host computer is connect with camera by bi-directional transfer of data line, and the camera lens of the camera is down-set in cylinder
Stainless steel the top of the warehouse, for obtaining the image of red (R) that reacts forward and backward color sensitive sensor, green (G), blue (B) three components, institute
It states and is equipped with annular light source inside cylindrical stainless steel storehouse, sealing connects at the top of the cylinder stainless steel orlop portion and the reaction chamber
It connects, through-hole is provided at the top of the reaction chamber, color sensitive sensor placement plate is equipped in the through-hole, for placing color sensitive sensor；
The present invention uses annular light source, and Image Acquisition chamber interior walls are coated with black diffusing reflection coating, so that light source uniformly shines
On the quick material of color, keep the illumination of whole image visibly homogeneous, facilitate being further processed for image, and guarantees the quick material of color
Initial pictures consistency；Image Acquisition room and reaction chamber are stainless steel material, avoid gas absorption and residual, it is ensured that
The stability of experiment reduces system background noise influence；
The reaction chamber side is equipped with air inlet, and the other side is equipped with gas outlet, and the air inlet passes through air inlet pipeline respectively
It is connected with pump, the gas outlet is connect with outlet pipe respectively, and the reaction chamber bottom is connected with electric heating temperature control system, control
Reaction chamber temperature is 25 DEG C of constant temperature.
Reaction chamber is nature volatilization, and sample to be tested is close at a distance from color sensitive sensor, sample to be tested escaping gas concentration
Without dilution, system dead volume is small, and system stability and repeatability are more preferable；The air inlet is rotatable, and being easy to will be in reaction chamber
Remaining aquatic products escaping gas is replaced into pure air；It is 25 DEG C that the electric heating temperature control system, which can control reaction chamber temperature,
Constant temperature, so that detection is not affected by temperature
In some preferred embodiments, the inner surface in the cylinder stainless steel storehouse is covered with black diffusing reflection coating.
In some preferred embodiments, reaction chamber includes front side cover board and main part, is passed through at the top of the reaction chamber
Hinge is articulated on reaction cell body part, and handle, the front side cover board and reaction cell body are equipped on the outside of the front side cover board
The position of part contact is equipped with gasket button.
In some preferred embodiments, the reaction chamber uses stainless steel material.
In some preferred embodiments, the color sensitive sensor placement plate is installed by penetrating through the shaft of its two middle side part
Inside the through-hole, the color sensitive sensor placement plate can be rotated by 360 ° around the shaft, and described shaft one end extends to reaction chamber
It is connected outside and with rotating handle.
In some preferred embodiments, the position that the through-hole is contacted with the color sensitive sensor placement plate is provided with gas
Close property sealing rubber ring.
In some preferred embodiments, the position that the air inlet is located on the inside of the reaction chamber is respectively connected with cloth wind
Box, the cloth wind box is interior to be equipped with centrifugal flow-disturbing flabellum, and the cloth wind box side and side offer ventilation hole.
A method of aquatic products freshness is detected using apparatus of the present invention, it is characterised in that: is carried out as steps described below:
(1) color sensitive sensor is installed, operation rotating handle makes color sensitive sensor placement plate towards in the reaction chamber, by color
Dependent sensor is placed in color sensitive sensor placement plate, operation rotating handle make color sensitive sensor placement plate towards it is described it is cylindrical not
It becomes rusty in steel storehouse, camera obtains the initial pictures for reacting preceding color sensitive sensor and is transferred to host computer, and host computer carries out image procossing
Obtain priming color information；
(2) it is packed into sample to be tested: being lifted up the front side cover board, the container for filling sample to be tested is put into the reaction
It is indoor；
(3) acquisition of sample information: electric heating temperature control system controls the temperature of reaction chamber, rises to 25 DEG C and constant temperature to temperature
Operation rotating handle makes color sensitive sensor placement plate towards in the reaction chamber after five minutes, the color sensitive sensor with to test sample
This escaping gas reaction；
(4) acquisition of odiferous information: operation rotating handle makes color sensitive sensor placement plate towards the cylindrical stainless steel
In storehouse, camera obtain reaction after color sensitive sensor image and be transferred to host computer, host computer receive and process camera acquisition
Signal substitutes into the freshness that calibration model exports aquatic products sample to be measured；
(5) ventilation cleaning: taking out sample and is dried by air inlet to reaction chamber, and residual samples gas is removed.
In some preferred embodiments, the preparation method of color sensitive sensor described in step (1) is specific as follows:
It include bromocresol green, dimethyl diaminophenazine chloride, methyl by the color quick material sensitive to aquatic products freshness feature escaping gas
Red, cresol red, 5,10,15,20-Tetraphenyl-21H, 23H-porphine zinc (ZnTPP), N-ZnTPP-12h, N-
ZnTPP-24h, N-ZnTPP-48h, N-ZnTPP-72h, N-ZnTPP-12h, N-ZnTPP-24h, N-ZnTPP-48h, N-
ZnTPP-72h is the nanosizing ZnTPP (being indicated with N-ZnTPP) by surfactant combination precipitation method self assembly, four
Difference is time of repose difference, and N-ZnTPP-12 is to stand 12h, and N-ZnTPP-24h is to stand for 24 hours, and N-ZnTPP-48h is to stand
48h, N-ZnTPP-72h are to stand 72h.5 kinds of porphyrins and 4 kinds of pH indicator are dissolved in dichloromethane solvent respectively
In, concentration is 1mg/mL, is printed and dyed on polyvinylidene fluoride (PVDF) film by micro-sampling capillary, in nitrogen ring
The quick material sensors array of color is made to solvent volatilization under border.
In some preferred embodiments, the method for making Nano by surfactant combination precipitation method self assembly has
Body is as follows:
(1) 10mLN is used, N- dimethyl acetamide dissolves the ZnTPP of 10mg, obtains solution A；
(2) 1mL Macrogol 600 is injected into solution A, is uniformly mixed, is obtained solution B；
(3) at the uniform velocity 200 μ L solution Bs are injected in 2min in 50 DEG C of ultrapure waters of 5mL with liquid-transfering gun, digital display constant temperature magnetic force
Blender mixing speed is 1000r/min, and after 10min to be mixed, solution system is placed in the place of being protected from light standing specific time；
(4) obtained N-ZnTPP dispersion is repeatedly filtered into washing, obtains solid state N-ZnTPP after dry.
Compared with prior art, one kind of the invention has the advantages that for aquatic products freshness detection device
1, aquatic products freshness detection device of the invention has good mildness, can detect a variety of aquatic products objects, quilt
Detecting sample can be fish, shrimp, or crab, shellfish, it can Volatile Base Nitrogen in quantitative detection aquatic products；The present invention compares
Rise it is existing detection aquatic products freshness index trimethylamine, K value gas-chromatography and liquid chromatogram instrument analytic approach for, before being not necessarily to
Sample nondestructive is hurt in processing, and detection efficiency greatly improves, and can be used for aquatic products purchase, transportation and sales, processing, freshness in storage
Real-time monitoring.
2, apparatus of the present invention are light, easy to operate, and the light source in detection device uses annular light source, Image Acquisition chamber interior walls
It is coated with black diffusing reflection coating, keeps the illumination of whole image visibly homogeneous, guarantees the consistency of the initial pictures of the quick material of color；
Image Acquisition room and reaction chamber are stainless steel material, avoid gas absorption and residual, it is ensured that the stability of experiment reduces
System background noise influences；Reaction chamber is nature volatilization, and for sample to be tested escaping gas concentration without dilution, system dead volume is small,
System stability and repeatability are more preferable；The air inlet is rotatable, is easy to the remaining aquatic products escaping gas in reaction chamber
It is replaced into pure air；The color change of acquired image is simultaneously delivered in capture card, and host computer is handled in real time, can be used for
Line monitoring.
3, the present invention color sensitive to aquatic products freshness feature escaping gas by the surfactant combination precipitation method
Quick material carries out nanosizing modification, improves the sensitivity of the quick material of color；The quick material of these colors is waved with aquatic products freshness feature
Corresponding color change counter can be given birth to after the gas reaction of hair property, a kind of quick, lossless, accurate, quantifiable portable aquatic products is provided
Product Noninvasive Measuring Method of Freshness.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description
Fig. 1 is the aquatic products freshness device for fast detecting system schematic based on smell-seeing fingerprint technique；
In figure, 1- host computer；2- camera；3- annular light source；4- cylinder stainless steel storehouse；5- black diffusing reflection coating；6-
Pedestal；7- color sensitive sensor placement plate；8- rotating handle；9- reaction chamber；10- gasket button；11- pump；12- pump；13- air inlet pipe
Road；14- air inlet pipeline；15- air inlet；16- air inlet；The gas outlet 17-；The gas outlet 18-；19- outlet pipe；20- escape pipe
Road；21- electric heating temperature control system；22- color sensitive sensor；Cover board on front side of 23-.
Fig. 2 is the correlativity figure of Volatile Base Nitrogen measured value Yu BP-ANN model predication value, wherein+: training set,
O: forecast set.
Specific embodiment
Under will the present invention will be described in detail in conjunction with each embodiment shown in the drawings.But these embodiments are simultaneously unlimited
The system present invention, structure that those skilled in the art are made according to these embodiments, method or transformation functionally
It is included within the scope of protection of the present invention.
A kind of embodiment 1: aquatic products freshness device for fast detecting based on smell-seeing fingerprint technique
As shown in Figure 1, a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique, including host computer 1,
Camera 2, cylindrical stainless steel storehouse 4, color sensitive sensor 22, color sensitive sensor placement plate 7, reaction chamber 9, pump 11,12, air inlet pipeline
13,14, outlet pipe 19,20 and electric heating temperature control system 21；
The host computer 1 is connect with camera 2 by bi-directional transfer of data line, and the camera lens of the camera 2 is down-set in circle
4 top of cylindrical stainless steel storehouse, it is described for obtaining the image of the red R for reacting forward and backward color sensitive sensor, green G, indigo plant tri- components of B
It is equipped with annular light source 3 inside cylindrical stainless steel storehouse 4, is sealed at the top of 4 bottom of cylinder stainless steel storehouse and the reaction chamber 9
It connects, through-hole is provided at the top of the reaction chamber 9, color sensitive sensor placement plate 7 is equipped in the through-hole, for placing the quick sensing of color
Device 22；
The present invention uses annular light source, and Image Acquisition chamber interior walls are coated with black diffusing reflection coating, so that light source uniformly shines
On the quick material of color, keep the illumination of whole image visibly homogeneous, facilitate being further processed for image, and guarantees the quick material of color
Initial pictures consistency；Image Acquisition room and reaction chamber are stainless steel material, avoid gas absorption and residual, it is ensured that
The stability of experiment reduces system background noise influence；
9 side of reaction chamber is equipped with air inlet 15,16, and the other side is equipped with gas outlet 17,18, the air inlet 15,16
It is connect respectively by air inlet pipeline 13,14 with pump 11,12, the gas outlet 17,18 is connect with outlet pipe 19,20 respectively, institute
It states 9 bottom of reaction chamber to be connected with electric heating temperature control system 21, control reaction chamber temperature is 25 DEG C of constant temperature.
Reaction chamber is nature volatilization, and sample to be tested is close at a distance from color sensitive sensor, sample to be tested escaping gas concentration
Without dilution, system dead volume is small, and system stability and repeatability are more preferable；The air inlet is rotatable, and being easy to will be in reaction chamber
Remaining aquatic products escaping gas is replaced into pure air；It is 25 DEG C that the electric heating temperature control system, which can control reaction chamber temperature,
Constant temperature, so that detection is not affected by temperature
In some preferred embodiments, the inner surface in the cylinder stainless steel storehouse 4 is covered with black diffusing reflection coating
5。
In some preferred embodiments, reaction chamber 9 includes front side cover board 23 and main part, 9 top of reaction chamber
Be articulated on reaction cell body part by hinge, be equipped with handle on the outside of the front side cover board 23, the front side cover board 23 with it is anti-
The position for answering 9 main part of room to contact is equipped with gasket button 10.
In some preferred embodiments, the reaction chamber 9 uses stainless steel material.
In some preferred embodiments, the color sensitive sensor placement plate 7 is pacified by penetrating through the shaft 6 of its two middle side part
Inside the through-hole, the color sensitive sensor placement plate 76 can be rotated by 360 ° around the shaft, and described 6 one end of shaft extends to instead
It answers room 9 outer and is connected with rotating handle 8.
In some preferred embodiments, the position that the through-hole is contacted with the color sensitive sensor placement plate 7 is provided with
Airtight sealing cushion rubber.
In some preferred embodiments, the position on the inside of the reaction chamber 9 positioned at the air inlet 15,16 is respectively connected with
Cloth wind box, the cloth wind box is interior to be equipped with centrifugal flow-disturbing flabellum, and the cloth wind box side and side offer ventilation hole.
A method of aquatic products freshness is detected using apparatus of the present invention, it is characterised in that: is carried out as steps described below:
(1) color sensitive sensor 22 is installed, operation rotating handle 8 makes color sensitive sensor placement plate 7 towards the reaction chamber 9
It is interior, color sensitive sensor 22 is placed in color sensitive sensor placement plate, operation rotating handle 8 makes 7 direction of color sensitive sensor placement plate
In the cylinder stainless steel storehouse 4, camera 2 obtains the initial pictures for reacting preceding color sensitive sensor 22 and is transferred to host computer 1, on
Position machine 1 carries out image procossing and obtains priming color information；
(2) it is packed into sample to be tested: being lifted up the front side cover board 23, the container for filling sample to be tested is put into described anti-
It answers in room 9；
(3) acquisition of sample information: electric heating temperature control system 21 controls the temperature of reaction chamber 9, rises to 25 DEG C simultaneously to temperature
Operation rotating handle 8 makes color sensitive sensor placement plate 7 towards in the reaction chamber 9 after constant temperature for 5 minutes, the color sensitive sensor 22
It is reacted with the escaping gas of sample to be tested；
(4) acquisition of odiferous information: operation rotating handle 8 keeps color sensitive sensor placement plate 7 stainless towards the cylinder
In steel storehouse 4, camera 2 obtain reaction after color sensitive sensor 22 image and be transferred to host computer 1, host computer 1 receives and processes phase
The signal that machine 2 acquires substitutes into the freshness that calibration model exports aquatic products sample to be measured；
(5) ventilation cleaning: taking out sample and is dried by air inlet 15,16 to reaction chamber, and residual samples gas is removed.
In some preferred embodiments, the preparation method of color sensitive sensor 22 described in step 1 is specific as follows:
It include bromocresol green, dimethyl diaminophenazine chloride, methyl by the color quick material sensitive to aquatic products freshness feature escaping gas
Red, cresol red, 5,10,15,20-Tetraphenyl-21H, 23H-porphine zinc (ZnTPP), N-ZnTPP-12h, N-
ZnTPP-24h, N-ZnTPP-48h, N-ZnTPP-72h, N-ZnTPP-12h, N-ZnTPP-24h, N-ZnTPP-48h, N-
ZnTPP-72h is the nanosizing ZnTPP (being indicated with N-ZnTPP) by surfactant combination precipitation method self assembly, four
Difference is time of repose difference, and N-ZnTPP-12 is to stand 12h, and N-ZnTPP-24h is to stand for 24 hours, and N-ZnTPP-48h is to stand
48h, N-ZnTPP-72h are to stand 72h.5 kinds of porphyrins and 4 kinds of pH indicator are dissolved in dichloromethane solvent respectively
In, concentration is 1mg/mL, is printed and dyed on polyvinylidene fluoride (PVDF) film by micro-sampling capillary, in nitrogen ring
The quick material sensors array of color is made to solvent volatilization under border.
In some preferred embodiments, the method for making Nano by surfactant combination precipitation method self assembly has
Body is as follows:
(1) 10mLN is used, N- dimethyl acetamide dissolves the ZnTPP of 10mg, obtains solution A；
(2) 1mL Macrogol 600 is injected into solution A, is uniformly mixed, is obtained solution B；
(3) at the uniform velocity 200 μ L solution Bs are injected in 2min in 50 DEG C of ultrapure waters of 5mL with liquid-transfering gun, digital display constant temperature magnetic force
Blender mixing speed is 1000r/min, and after 10min to be mixed, solution system is placed in the place of being protected from light standing specific time；
(4) obtained N-ZnTPP dispersion is repeatedly filtered into washing, obtains solid state N-ZnTPP after dry.
The present invention, which quickly detects the freshness of aquatic products, has versatility, introduces the present invention herein to swimming crab freshness
The implementation process of test.
Embodiment 2: a kind of swimming crab freshness based on smell-seeing fingerprint technique quickly detects
(1) sample standard deviation of the present embodiment is purchased from Nantong City new city food market, totally 50 samples.
(2) TVB-N content of different samples is detected using the way of distillation.
(3) by bromocresol green, dimethyl diaminophenazine chloride, methyl red, 4 kinds of pH indicator of cresol red and ZnTPP, N-ZnTPP-12h, N-
ZnTPP-24h, N-ZnTPP-48h, N-ZnTPP-72h, 5 kinds of porphyrins are dissolved in dichloromethane solvent respectively, concentration
It is 1mg/mL, is printed and dyed on PVDF membrane by micro-sampling capillary, waved in a nitrogen environment to solvent
The quick material sensors array of color is made in hair.
(4) gas sensor array obtained is placed in Image Acquisition room in color sensitive sensor placement plate, operation rotation
Handle makes color sensitive sensor placement plate towards in the cylindrical stainless steel storehouse, and camera obtains the figure of reaction front sensor array
Picture；
(5) temperature of electric heating temperature control system control reaction chamber, sample to be tested is placed in reaction chamber, operates rotating handle
Make color sensitive sensor placement plate towards in the reaction chamber, color sensitive sensor array is reacted with the escaping gas of sample to be tested；
(6) acquisition of odiferous information: camera obtains R, G, B image transmitting of sensor array after reaction to host computer, on
The sensor array image of position machine processing reaction front and back；
(7) it takes out sample and is dried by air inlet to reaction chamber, residual samples gas is removed；
(8) characteristic variable of 5 principal components before the color change value of reaction front and back is manually refreshing as error back propagation
Input variable through network model (BP-ANN), using the TVB-N content that the way of distillation measures as output variable, to this
Method is verified, and (wherein training set sample number is 34, and forecast set sample number is 16) model validation-cross root-mean-square error
As the evaluation criteria of network training, the prediction effect of predicted root mean square error value evaluation model, with training set coefficient R c
And forecast set coefficient R p carrys out the correlation between evaluation and foreca value and measured value.
Fig. 2 is the measured value of Volatile Base Nitrogen and error back propagation artificial nerve network model (BP- in swimming crab
ANN) the correlativity of predicted value, the results showed that the odiferous information in swimming crab detected based on smell-seeing fingerprint technique
The content good relationship for the Volatile Base Nitrogen that the way of distillation measures, Rc=0.9995, Rp=0.9954, therefore this method can be with
For the freshness in the purchase of quantitative detection aquatic products, transportation and sales, processing, storage.
Claims (10)
1. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique, it is characterised in that: including host computer
(1), camera (2), cylindrical stainless steel storehouse (4), color sensitive sensor (22), color sensitive sensor placement plate (7), reaction chamber (9), pump
(11,12), air inlet pipeline (13,14), outlet pipe (19,20) and electric heating temperature control system (21)；
The host computer (1) is connect with camera (2) by bi-directional transfer of data line, the camera lens of the camera (2) it is down-set in
At the top of cylindrical stainless steel storehouse (4), annular light source (3) are equipped with inside the cylinder stainless steel storehouse (4), the cylinder is stainless
It is tightly connected at the top of steel storehouse (4) bottom and the reaction chamber (9), is provided with through-hole at the top of the reaction chamber (9), is set in the through-hole
There are color sensitive sensor placement plate (7), for placing color sensitive sensor (22)；
Reaction chamber (9) side is equipped with air inlet (15,16), and the other side is equipped with gas outlet (17,18), the air inlet (15,
16) respectively by air inlet pipeline (13,14) with pump (11,12) connect, the gas outlet (17,18) respectively with outlet pipe (19,
20) it connects, reaction chamber (9) bottom is connected with electric heating temperature control system (21).
2. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 1, special
Sign is: the inner surface of the cylinder stainless steel storehouse (4) is covered with black diffusing reflection coating (5).
3. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 1, special
Sign is: reaction chamber (9) includes front side cover board (23) and main part, is articulated with instead at the top of the reaction chamber (9) by hinge
It answers in the main part of room, handle, the front side cover board (23) and reaction chamber (9) main part is equipped on the outside of the front side cover board (23)
The position of tap touching is equipped with gasket button (10).
4. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 1, special
Sign is: the reaction chamber (9) uses stainless steel material.
5. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 1, special
Sign is: the color sensitive sensor placement plate (7) is installed on inside the through-hole by penetrating through the shaft (6) of its two middle side part,
The color sensitive sensor placement plate (7) (6) can be rotated by 360 ° around the shaft, and described shaft (6) one end extends to reaction chamber (9) outside simultaneously
It is connected with rotating handle (8).
6. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 5, special
Sign is: the position that the through-hole is contacted with the color sensitive sensor placement plate (7) is provided with airtight sealing cushion rubber.
7. a kind of aquatic products freshness detection device based on smell-seeing fingerprint technique according to claim 1, special
Sign is: the position for being located at the air inlet (15,16) on the inside of the reaction chamber (9) is respectively connected with cloth wind box (24), the cloth
Centrifugal flow-disturbing flabellum (241) is equipped in wind box (24), the cloth wind box (24) side and side offer ventilation hole
(242)。
8. a kind of method using apparatus of the present invention detection aquatic products freshness, it is characterised in that: carry out as steps described below:
(1) color sensitive sensor (22) are installed, operation rotating handle (8) makes color sensitive sensor placement plate (7) towards the reaction chamber
(9) in, color sensitive sensor (22) is placed in color sensitive sensor placement plate, operation rotating handle (8) places color sensitive sensor
Plate (7) is interior towards the cylindrical stainless steel storehouse (4), and camera (2) obtains the initial pictures of the preceding color sensitive sensor (22) of reaction simultaneously
It is transferred to host computer (1), host computer (1) carries out image procossing and obtains priming color information；
(2) it is packed into sample to be tested: being lifted up the front side cover board (23), the container for filling sample to be tested is put into the reaction
In room (9)；
(3) acquisition of sample information: electric heating temperature control system (21) controls the temperature of reaction chamber (9), rises to 25 DEG C simultaneously to temperature
Operation rotating handle (8) keeps color sensitive sensor placement plate (7) interior towards the reaction chamber (9) after constant temperature for 5 minutes, the quick biography of color
Sensor (22) is reacted with the escaping gas of sample to be tested；
(4) acquisition of odiferous information: operation rotating handle (8) keeps color sensitive sensor placement plate (7) stainless towards the cylinder
In steel storehouse (4), camera (2) obtains the image of color sensitive sensor (22) after reaction and is transferred to host computer (1), and host computer (1) connects
The signal of camera (2) acquisition is received and handled, the freshness that calibration model exports aquatic products sample to be measured is substituted into；
(5) ventilation cleaning: taking out sample and is dried by air inlet (15,16) to reaction chamber, and residual samples gas is removed.
9. a kind of method using apparatus of the present invention detection aquatic products freshness according to claim 8, it is characterised in that:
The preparation method of color sensitive sensor (22) described in step (1) is specific as follows:
It include bromocresol green, dimethyl diaminophenazine chloride, methyl red, first by the color quick material sensitive to aquatic products freshness feature escaping gas
Phenol red, 5,10,15,20-Tetraphenyl-21H, 23H-porphine zinc (ZnTPP), N-ZnTPP-12h, N-ZnTPP-
For 24 hours, N-ZnTPP-48h, N-ZnTPP-72h, N-ZnTPP-12h, N-ZnTPP-24h, N-ZnTPP-48h, N-ZnTPP-72h are
By the nanosizing ZnTPP (being indicated with N-ZnTPP) of surfactant combination precipitation method self assembly, four difference is when standing
Between it is different, N-ZnTPP-12 is to stand 12h, and N-ZnTPP-24h is to stand for 24 hours, and N-ZnTPP-48h is to stand 48h, N-ZnTPP-
72h is to stand 72h.5 kinds of porphyrins and 4 kinds of pH indicator are dissolved in dichloromethane solvent respectively, concentration is
1mg/mL is printed and dyed on polyvinylidene fluoride (PVDF) film by micro-sampling capillary, in a nitrogen environment to solvent
The quick material sensors array of color is made in volatilization.
10. a kind of method using apparatus of the present invention detection aquatic products freshness according to claim 9, feature exist
In: the method for making Nano by surfactant combination precipitation method self assembly is specific as follows:
(1) 10mLN is used, N- dimethyl acetamide dissolves the ZnTPP of 10mg, obtains solution A；
(2) 1mL Macrogol 600 is injected into solution A, is uniformly mixed, is obtained solution B；
(3) at the uniform velocity 200 μ L solution Bs are injected in 2min in 50 DEG C of ultrapure waters of 5mL with liquid-transfering gun, digital display temperature constant magnetic stirring
Device mixing speed is 1000r/min, and after 10min to be mixed, solution system is placed in the place of being protected from light standing specific time；
(4) obtained N-ZnTPP dispersion is repeatedly filtered into washing, obtains solid state N-ZnTPP after dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112959.7A CN109682805A (en) | 2019-02-13 | 2019-02-13 | A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112959.7A CN109682805A (en) | 2019-02-13 | 2019-02-13 | A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109682805A true CN109682805A (en) | 2019-04-26 |
Family
ID=66195586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910112959.7A Pending CN109682805A (en) | 2019-02-13 | 2019-02-13 | A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109682805A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697958A (en) * | 2020-12-24 | 2021-04-23 | 新疆畜牧科学院畜牧业质量标准研究所（新疆维吾尔自治区种羊与羊毛羊绒质量安全监督检验中心） | Method for detecting freshness of beef and mutton |
| CN112710658A (en) * | 2021-02-08 | 2021-04-27 | 南通市食品药品监督检验中心 | Aquatic product formaldehyde rapid detection device and method based on visual olfactory fingerprint technology |
| CN112763487A (en) * | 2020-12-09 | 2021-05-07 | 天津市水产研究所 | Aquatic livestock high-throughput scale type acquisition device |
| CN113267493A (en) * | 2021-05-21 | 2021-08-17 | 江苏大学 | Method and device for continuously, rapidly and nondestructively detecting grain toxigenic bacteria based on composite nano color-sensitive sensor chip |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706844A (en) * | 2004-06-04 | 2005-12-14 | 中国科学院化学研究所 | Metal porphyrin nanotube and nanoline and their prepn process |
| CN101936912A (en) * | 2010-08-25 | 2011-01-05 | 江苏大学 | Method and device for detecting freshness of fish based on olfaction visualization |
| CN104977296A (en) * | 2015-06-30 | 2015-10-14 | 江苏大学 | Novel alcohol degree detection method and apparatus |
| CN105181912A (en) * | 2015-06-30 | 2015-12-23 | 江苏大学 | Method for detection of freshness during rice storage |
| CN108489979A (en) * | 2018-04-04 | 2018-09-04 | 柳州市妇幼保健院 | A kind of PH test paper detects box automatically |
| CN209513627U (en) * | 2019-02-13 | 2019-10-18 | 南通市食品药品监督检验中心 | A kind of aquatic products freshness detection device based on smell-seeing fingerprint technique |
-
2019
- 2019-02-13 CN CN201910112959.7A patent/CN109682805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706844A (en) * | 2004-06-04 | 2005-12-14 | 中国科学院化学研究所 | Metal porphyrin nanotube and nanoline and their prepn process |
| CN101936912A (en) * | 2010-08-25 | 2011-01-05 | 江苏大学 | Method and device for detecting freshness of fish based on olfaction visualization |
| CN104977296A (en) * | 2015-06-30 | 2015-10-14 | 江苏大学 | Novel alcohol degree detection method and apparatus |
| CN105181912A (en) * | 2015-06-30 | 2015-12-23 | 江苏大学 | Method for detection of freshness during rice storage |
| CN108489979A (en) * | 2018-04-04 | 2018-09-04 | 柳州市妇幼保健院 | A kind of PH test paper detects box automatically |
| CN209513627U (en) * | 2019-02-13 | 2019-10-18 | 南通市食品药品监督检验中心 | A kind of aquatic products freshness detection device based on smell-seeing fingerprint technique |
Non-Patent Citations (2)
| Title |
|---|
| 侯长军 等: "卟啉纳米材料制备及在可视化传感器中的应用", 分析试验室, vol. 32, no. 09, 30 September 2013 (2013-09-30), pages 36 - 39 * |
| 管彬彬 等: "基于可视嗅觉指纹技术的水产品新鲜度快速表征", 《食品与发酵工业》, vol. 45, no. 9, pages 171 - 175 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763487A (en) * | 2020-12-09 | 2021-05-07 | 天津市水产研究所 | Aquatic livestock high-throughput scale type acquisition device |
| CN112697958A (en) * | 2020-12-24 | 2021-04-23 | 新疆畜牧科学院畜牧业质量标准研究所（新疆维吾尔自治区种羊与羊毛羊绒质量安全监督检验中心） | Method for detecting freshness of beef and mutton |
| CN112697958B (en) * | 2020-12-24 | 2023-09-05 | 新疆畜牧科学院畜牧业质量标准研究所（新疆维吾尔自治区种羊与羊毛羊绒质量安全监督检验中心） | Method for detecting freshness of beef and mutton |
| CN112710658A (en) * | 2021-02-08 | 2021-04-27 | 南通市食品药品监督检验中心 | Aquatic product formaldehyde rapid detection device and method based on visual olfactory fingerprint technology |
| CN113267493A (en) * | 2021-05-21 | 2021-08-17 | 江苏大学 | Method and device for continuously, rapidly and nondestructively detecting grain toxigenic bacteria based on composite nano color-sensitive sensor chip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109682805A (en) | A kind of aquatic products freshness detection device and method based on smell-seeing fingerprint technique | |
| Masawat et al. | An iPhone-based digital image colorimeter for detecting tetracycline in milk | |
| CN104977296B (en) | A kind of detection method and device of novel alcoholic strength | |
| CN106338517A (en) | Intelligent judgment method for fruit freshness based on coordination of visual information and olfactory information | |
| CN105181912B (en) | A kind of Noninvasive Measuring Method of Freshness in rice storage | |
| Wang et al. | Smartphone imaging spectrometer for egg/meat freshness monitoring | |
| CN105675507B (en) | A kind of cysteine detecting method based on mobile phone color analysis | |
| CN101936912A (en) | Method and device for detecting freshness of fish based on olfaction visualization | |
| CN104807775B (en) | It is a kind of for identify frying oil quality NIR spectra analysis model and method | |
| CN101144780A (en) | Pork freshness intelligent detection device | |
| CN109447130B (en) | Ha-bai preserved meat detection device and method based on visual gas-sensitive array | |
| EP3803350A1 (en) | A calibration method for calibrating a camera of a mobile device for detecting an analyte in a sample | |
| Iqbal et al. | Assessment of a mobile phone for use as a spectroscopic analytical tool for foods and beverages | |
| Çakmak et al. | Quality evaluation of chickpeas using an artificial neural network integrated computer vision system | |
| Kwon et al. | Applications of smartphone cameras in agriculture, environment, and food: A review | |
| CN209513627U (en) | A kind of aquatic products freshness detection device based on smell-seeing fingerprint technique | |
| Xu et al. | A novel hyperspectral microscopic imaging system for evaluating fresh degree of pork | |
| Yang et al. | A cost-effective on-site milk analyzer based on multispectral sensor | |
| US12007332B2 (en) | Portable scanning device for ascertaining attributes of sample materials | |
| Ye et al. | Facile monitoring of meat freshness with a self-constructed photosensitization colorimetric instrument | |
| CN105954205B (en) | Green plum pol based on light spectrum image-forming and acidity Rapid non-destructive testing device | |
| CN115754184A (en) | Rapid detection system and method for salmon earthy smell | |
| CN114527116A (en) | Ambient light correction array type colorimetric analysis system and method based on intelligent equipment | |
| CN114354586A (en) | Method and device for evaluating maturity of preserved eggs based on photoelectron nose | |
| CN108872138A (en) | The method of on-line quick detection chicken enterobacteriaceae content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |