CN108613940A - A kind of Radix Notoginseng freeze-drying system of processing and its control method - Google Patents
A kind of Radix Notoginseng freeze-drying system of processing and its control method Download PDFInfo
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- CN108613940A CN108613940A CN201810418657.8A CN201810418657A CN108613940A CN 108613940 A CN108613940 A CN 108613940A CN 201810418657 A CN201810418657 A CN 201810418657A CN 108613940 A CN108613940 A CN 108613940A
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- 241000180649 Panax notoginseng Species 0.000 title claims abstract description 206
- 235000003143 Panax notoginseng Nutrition 0.000 title claims abstract description 206
- 238000004108 freeze drying Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000012545 processing Methods 0.000 title claims abstract description 41
- 238000002329 infrared spectrum Methods 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000004458 analytical method Methods 0.000 claims abstract description 29
- 230000001276 controlling effect Effects 0.000 claims description 17
- 238000012937 correction Methods 0.000 claims description 14
- 238000001228 spectrum Methods 0.000 claims description 11
- 238000004445 quantitative analysis Methods 0.000 claims description 10
- 238000009777 vacuum freeze-drying Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims 1
- 235000015110 jellies Nutrition 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 15
- 238000005192 partition Methods 0.000 description 20
- 238000001035 drying Methods 0.000 description 15
- 229930182490 saponin Natural products 0.000 description 10
- 150000007949 saponins Chemical class 0.000 description 10
- 235000017709 saponins Nutrition 0.000 description 10
- 239000001397 quillaja saponaria molina bark Substances 0.000 description 9
- 230000004075 alteration Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- 238000009659 non-destructive testing Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 238000002790 cross-validation Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 4
- 241000208340 Araliaceae Species 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WQLVFSAGQJTQCK-UHFFFAOYSA-N diosgenin Natural products CC1C(C2(CCC3C4(C)CCC(O)CC4=CCC3C2C2)C)C2OC11CCC(C)CO1 WQLVFSAGQJTQCK-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000018927 edible plant Nutrition 0.000 description 1
- 229930003935 flavonoid Natural products 0.000 description 1
- 150000002215 flavonoids Chemical class 0.000 description 1
- 235000017173 flavonoids Nutrition 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- NWMIYTWHUDFRPL-UHFFFAOYSA-N sapogenin Natural products COC(=O)C1(CO)C(O)CCC2(C)C1CCC3(C)C2CC=C4C5C(C)(O)C(C)CCC5(CCC34C)C(=O)O NWMIYTWHUDFRPL-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- DKVBOUDTNWVDEP-NJCHZNEYSA-N teicoplanin aglycone Chemical compound N([C@H](C(N[C@@H](C1=CC(O)=CC(O)=C1C=1C(O)=CC=C2C=1)C(O)=O)=O)[C@H](O)C1=CC=C(C(=C1)Cl)OC=1C=C3C=C(C=1O)OC1=CC=C(C=C1Cl)C[C@H](C(=O)N1)NC([C@H](N)C=4C=C(O5)C(O)=CC=4)=O)C(=O)[C@@H]2NC(=O)[C@@H]3NC(=O)[C@@H]1C1=CC5=CC(O)=C1 DKVBOUDTNWVDEP-NJCHZNEYSA-N 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
It is lyophilized system of processing, including vacuum freeze drier, near-infrared spectrometer and controller the invention discloses a kind of Radix Notoginseng, near-infrared spectrometer is used to acquire the near infrared spectrum of Radix Notoginseng to be checked in vacuum freeze drier；Controller is stored with control instruction, for controlling vacuum freeze drier work；The water and basis weight analysis model in the different freeze-drying stages of standard Radix Notoginseng sample is also stored in controller, controller carries out determination of moisture according to the water and basis weight analysis model in different freeze-drying stages to Radix Notoginseng near infrared spectrum to be checked, controller judges whether Radix Notoginseng moisture to be checked reaches the moisture of the standard Radix Notoginseng sample in current freeze-drying stage, if the determination result is YES, control vacuum freeze drier adjusts freeze-drying control data or is stopped.The moisture of the Radix Notoginseng in freeze-drying process is detected using near infrared spectrometer, and automatic adjustment freeze-drying control data according to testing result, it is not only energy saving, moreover it is possible to ensure the quality that Radix Notoginseng is lyophilized.
Description
Technical field
The present invention relates to ginseng class processing of crude drugs technical fields, and in particular to a kind of Radix Notoginseng freeze-drying system of processing and its controlling party
Method.
Background technology
Radix Notoginseng (Panax notoginseng) is araliaceae ginseng plant, is the rare traditional Chinese medicine having won fame both at home and abroad, and
Civil one of the medicinal and edible plant used earliest in China, enjoys the good reputations such as " invaluable ", " southern part of the country god grass ", " king in ginseng ".
Radix Notoginseng rises in 25,000,000 years pre-Tertiary Gu mountainous regions of tropics remnants plants earliest.Wenshan Prefecture is because of its unique soil, weather ring
Border and source area and the main product for becoming Radix Notoginseng.Notoginseng planting history has more than 600 so far by wild domestication to artificial growth
Year, Radix Notoginseng area and yield is maintained at 100,000 mu and 9,000,000 kilograms or so throughout the year, be it is Chinese or even world-renowned " Radix Notoginseng it
Township ".
For a long time, as the Radix Notoginseng of rare traditional Chinese medicine, due to drying place without fixed, still along habit in road after excavation
Side, Around the house dry processing on road, do not meet Chinese medicine processing Standardization Requirement not only, but also seriously affect
It the hygienic conditions in city and blocking the traffic, the product processed is be easy to cause " secondary pollution ", and Radix Notoginseng quality cannot be guaranteed,
With Radix Notoginseng Base environment, scale, intensive cropping, past traditional fragmentary drying mode has been unable to meet the need currently produced
It wants, the contradictions such as Radix Notoginseng drying, Habitat producing place, warehouse logistics facility shortage are increasingly prominent, it has also become restrict Radix Notoginseng industry hair
The bottleneck of exhibition.Mountain of papers notoginseng planting obviously forms the pattern of rich and influential family's plantation in recent years by the experience to rise and fall sharply and quickly several times.And
After the excavation of large plantation family Radix Notoginseng, fresh Radix Notoginseng will be transported to mountain of papers city city and dried, dried, and it is only limited in city city at present
Open highway, square can be used as drying place.It is calculated with the common large plantation family of 50 mu of Radix Notoginseng of plantation, the fresh Radix Notoginseng of excavation reaches
37.5 tons, need the place of 3700m2 that could complete to dry, and large plantation family can not possibly take traditional Around the house to dry
Drying means rents open area drying per 100m2Expense up to 25~50 yuan/day, have 9.4 tons of dry Radix Notoginseng after dryness in the sun.
The drying of Chinese medicine both at home and abroad at present, also more imitative agricultural product (cereal, fruits) seasonings.For example, heat-force dry, microwave are dry
Dry, vacuum drying, radiant drying etc..Agricultural product in the drying process, moisture content is influenced by relative humidity and temperature.And
Because of the difference of different product ingredients, suitable drying condition is also different.Such as：Grease type product, moisture easily distribute, can
Using high temperature and rapid drying.And protein-based product is then on the contrary, preferably use low temperature slow curing dry.Chemistry of the domestic and foreign scholars to Radix Notoginseng
Ingredient has carried out a lot of research work, it has been determined that chemical composition in Radix Notoginseng, including saponins, flavonoids, polysaccharide, amino acid
Deng.Saponin(e is the bioactive substance in Radix Notoginseng, is the important goal for weighing Radix Notoginseng quality.It is made of sapogenin and sugar,
In the chemical constitution, aglycon has different degrees of lipophilicity, and sugar chain has different degrees of hydrophily.
Majority medicinal material is dried using Vacuum Freezing ＆ Drying Technology at present, is lacked in current Chinese medicine freeze-drying process
To the real time monitoring of material moisture, vacuum freeze drying cannot be automatically adjusted according to the moisture of Radix Notoginseng in Radix Notoginseng freeze-drying process
The freeze-drying of machine controls data.
Invention content
For the defects in the prior art, one of the objects of the present invention is to provide a kind of Radix Notoginseng, and system of processing is lyophilized, and leads to
It crosses near infrared spectrometer and Fast nondestructive evaluation, controller root is carried out to the moisture of the Radix Notoginseng in the freeze-drying process of Radix Notoginseng
The freeze-drying that vacuum freeze drier is automatically adjusted according to the moisture of detection controls data, not only energy saving, moreover it is possible to ensure to freeze
The quality of dry Radix Notoginseng.
System of processing, including vacuum freeze drier, near infrared spectrum is lyophilized in a kind of Radix Notoginseng provided in an embodiment of the present invention
Detector and controller, the vacuum freeze drier are used to carry out vacuum freeze drying to the Radix Notoginseng to be checked after cleaning；It is described
Near-infrared spectrometer is used to acquire the near infrared spectrum of Radix Notoginseng to be checked in vacuum freeze drier；The controller is stored with
Control instruction, for controlling vacuum freeze drier work；The different of standard Radix Notoginseng sample are also stored in the controller to freeze
The water and basis weight analysis model in dry stage, controller are waited for according to the water and basis weight analysis model in the different freeze-drying stages described
It examines Radix Notoginseng near infrared spectrum and carries out determination of moisture, controller judges whether Radix Notoginseng moisture to be checked reaches the current freeze-drying stage
The moisture of standard Radix Notoginseng sample, if the determination result is YES, control vacuum freeze drier adjust freeze-drying control data or stop
Only work.
Further, the method for building up of the water and basis weight analysis model includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum；
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated；
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined；
Establish standard Radix Notoginseng sample Key Quality Con trolling index and between the near infrared spectrum data that obtains that treated
Water and basis weight analysis model.
Further, pretreated method is carried out to the near infrared spectrum and uses multiplicative scatter correction method.
Further, the scanning wave band that the near-infrared spectrometer uses is 5568.3cm-1~4350.5cm-1。
Further, institute's freeze-drying control data bag includes vacuum pressure, true temp and freeze-drying time.
Second aspect, the embodiment of the present invention provide a kind of Radix Notoginseng freeze-drying processing control method, include the following steps：
Controller controls vacuum freeze drier and carries out pre-freeze and vacuum freeze drying to the Radix Notoginseng to be checked after cleaning：
Controller receives the near infrared spectrum that near-infrared spectrometer acquires Radix Notoginseng to be checked；
The water and basis weight analysis model in the different freeze-drying stages of standard Radix Notoginseng sample is stored in controller, controller is not according to
Water and basis weight analysis model with the standard Radix Notoginseng sample in freeze-drying stage carries out the Radix Notoginseng near infrared spectrum to be checked of respective stage
Determination of moisture, controller judge whether Radix Notoginseng moisture to be checked reaches the moisture of the standard Radix Notoginseng sample in current freeze-drying stage and contain
Amount, obtains judging result；
If the determination result is YES, controller control vacuum freeze drier adjusts freeze-drying control data or is stopped.
Further, the method for building up of the water and basis weight analysis model includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum；
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated；
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined；
Establish standard Radix Notoginseng sample Key Quality Con trolling index and with the near infrared spectrum data that obtains that treated
Between water and basis weight analysis model.
Further, pretreated method is carried out to the near infrared spectrum and uses multiplicative scatter correction method.
Further, the scanning wave band that the near-infrared spectrometer uses is 5568.3cm-1~4350.5cm-1。
Further, the freeze-drying control data bag includes vacuum pressure, true temp and freeze-drying time.
The beneficial effects of the present invention are：
System of processing is lyophilized in the Radix Notoginseng of the embodiment of the present invention, using near infrared spectrometer to three in freeze-drying process
Seven moisture carries out non-destructive testing, and analyzes moisture, dry using analysis result automatic adjustment vacuum refrigeration
The freeze-drying of dry machine controls data so that freeze-drying time shortens 30% or more than conventional method.The present invention not only contains Radix Notoginseng moisture
Amount carries out non-destructive testing, moreover it is possible to and it is energy saving, reduce processing cost.Do not add other chemical substances in freeze-drying process, it is ensured that
The qualified product produced ensures the quality of freeze-drying Radix Notoginseng.Added using the Radix Notoginseng freeze-drying system of processing of the embodiment of the present invention
The compound components of panax notoginseng loss of work is few, and saponin content is more slightly lower than the saponin content of fresh Radix Notoginseng, freeze-drying Radix Notoginseng and fresh Radix Notoginseng face
Color is consistent, and for aberration Δ L less than 3, the aberration Δ L values after packaging after 3 months are less than 6.Radix Notoginseng moisture content after freeze-drying is less than 2%,
Reconstitution rate is higher than 90%, and quality is loose, rehydration is good, smell is dense, cutting and crushing are easy.
Processing control method is lyophilized in the Radix Notoginseng of the embodiment of the present invention, using near infrared spectrometer in freeze-drying process
The moisture of Radix Notoginseng carry out non-destructive testing, and moisture is analyzed, it is cold using analysis result automatic adjustment vacuum
The freeze-drying of lyophilizer controls data, is not only carried out non-destructive testing to Radix Notoginseng moisture, moreover it is possible to which energy saving, reduction is processed into
This.Other chemical substances are not added in freeze-drying process, it is ensured that the qualified product produced ensures the product of freeze-drying Radix Notoginseng
Matter.Compound components of panax notoginseng loss using the Radix Notoginseng freeze-drying processing control method processing of the embodiment of the present invention is few, saponin content
Saponin content than fresh Radix Notoginseng is slightly lower, and freeze-drying Radix Notoginseng and fresh Radix Notoginseng solid colour, aberration Δ L is less than 3, after packaging after 3 months
Aberration Δ L values be less than 6.Radix Notoginseng moisture content after freeze-drying is less than 2%, and reconstitution rate is higher than 90%, quality is loose, rehydration is good,
Smell is dense, cutting and crushing is easy.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 shows a kind of first embodiment functional block diagram of Radix Notoginseng freeze-drying control system for processing provided by the present invention.
Fig. 2 shows a kind of first embodiment flow charts of Radix Notoginseng freeze-drying processing control method provided by the present invention.
Specific implementation mode
Technical solution of the present invention is described in detail below in conjunction with specific embodiment.Following embodiment is only used for more
Add and clearly demonstrate technical scheme of the present invention, therefore be only used as example, and not intended to limit the protection scope of the present invention.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
As shown in Figure 1, showing a kind of first embodiment of Radix Notoginseng freeze-drying system of processing provided by the invention, the processing system
System includes vacuum freeze drier 1, near-infrared spectrometer 2 and controller 3, and the vacuum freeze drier 1 is used for clear
Radix Notoginseng to be checked after washing carries out vacuum freeze drying；The near-infrared spectrometer 2 is for acquiring in vacuum freeze drier
The near infrared spectrum of Radix Notoginseng to be checked；The controller 3 is stored with control instruction, for controlling vacuum freeze drier work；Institute
The water and basis weight analysis model in the different freeze-drying stages that standard Radix Notoginseng sample is also stored in controller is stated, controller is according to
The water and basis weight analysis model in different freeze-drying stages carries out determination of moisture to the Radix Notoginseng near infrared spectrum to be checked, and controller judges
Whether Radix Notoginseng moisture to be checked reaches the moisture of the standard Radix Notoginseng sample in current freeze-drying stage, if the determination result is YES,
Control vacuum freeze drier adjusts freeze-drying control data or is stopped.The different freeze-drying stages in the present embodiment refer to Radix Notoginseng
Surface moisture, interior moisture content and overall moisture content are divided into the different stages in different ranges in freeze-drying process.
Vacuum freeze drier carries out pre-freeze and vacuum freeze drying to the Radix Notoginseng to be checked after cleaning.Near infrared spectrum detects
The near infrared spectrum of to be checked Radix Notoginseng of the instrument in real time or in timing acquisition vacuum freeze drier sends controller to, and controller obtains
The control parameter of vacuum freeze drier judges that vacuum freeze drier is in some stage of freeze-drying, obtains the freeze-drying stage
Standard Radix Notoginseng sample water and basis weight analysis model, according to the water and basis weight analysis model of standard Radix Notoginseng sample to Radix Notoginseng to be checked
Near infrared spectrum carries out determination of moisture, judges whether the moisture of Radix Notoginseng to be checked reaches the water of the standard Radix Notoginseng in the freeze-drying stage
Divide content, if judging result is not up to, controller does not adjust the control data of vacuum freeze drier, vacuum freeze drier
Continue to execute current freeze-drying control data.If the determination result is YES, illustrate that the moisture of Radix Notoginseng to be checked reaches current freeze-drying
The moisture of the standard Radix Notoginseng in stage, controller control vacuum freeze drier and adjust freeze-drying control data execution next stage
Freeze-drying control data.When the moisture of Radix Notoginseng to be checked reaches the moisture that Radix Notoginseng is lyophilized in finished product, controller then controls very
Vacuum freecing-dry machine is stopped.Freeze-drying control data bag includes vacuum pressure, true temp and freeze-drying time.Controller control is true
Pneumatics is strong, true temp and freeze-drying time, at the different freeze-drying stage, automatic adjustment vacuum pressure, true temp and freeze-drying
Between.
For example, one of actual application scenarios：It is aqueous to the surface of Radix Notoginseng respectively using three near-infrared spectrometers
Amount, interior moisture content and overall moisture content are detected, and the data of detection are sent to controller by near-infrared spectrometer, control
Device processed is adjusted vacuum freeze-drying control data according to these data, and specific adjustment process is as follows：
1) Radix Notoginseng is subjected to pre-freeze, temperature is less than -40 DEG C, and the pre-freeze time is more than 1 hour；
2) control baffle temperature is -40 DEG C, and the vacuum degree that controller controls vacuum freeze drier is less than 30Pa, monitoring three
Seven surface moisture, interior moisture content and overall moisture content；
3) when the surface moisture of Radix Notoginseng<30%, interior moisture content<70%, partition board is warming up to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
4) when the surface moisture of Radix Notoginseng<20%, interior moisture content<60%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
5) when the surface moisture of Radix Notoginseng<20%, interior moisture content<50%, partition board is cooled to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 80-100Pa；
6) when the surface moisture of Radix Notoginseng<20%, interior moisture content<40%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
7) when the surface moisture of Radix Notoginseng<20%, interior moisture content<30%, partition board is cooled to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 80-100Pa；
8) when the surface moisture of Radix Notoginseng<10%, interior moisture content<25%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
9) when the surface moisture of Radix Notoginseng<10%, interior moisture content<20%, partition board is heated to -10 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
10) when the surface moisture of Radix Notoginseng<5%, interior moisture content<15%, overall moisture content<7%, partition board is heated to
0 DEG C, controller controls the vacuum degree of vacuum freeze drier in 40-80Pa；
11) when the overall moisture content of Radix Notoginseng<6%, partition board is heated to 10 DEG C, controller controls vacuum freeze drier
Vacuum degree is in 40-80Pa；
12) when the overall moisture content of Radix Notoginseng<5%, partition board is heated to 40 DEG C, controller controls vacuum freeze drier
Vacuum degree is in 90-120Pa；
13) when the overall moisture content of Radix Notoginseng<2%, it is 40 DEG C to maintain baffle temperature, and drying to vacuum degree is less than 20Pa, after
It is continuous 1-2 hours dry, obtain freeze-drying prods.
By automatically adjusting pre-freeze time and pre-freezing temperature, pre-freeze effect was not only can guarantee, but also save the time, by accurately controlling
Temperature, time and the vacuum degree of freeze-drying process processed run enough for a long time under eutectic temperature, enable the moisture in Radix Notoginseng
It is fully removed under its eutectic point, the active ingredient and nutritional cost of Radix Notoginseng is utmostly kept, to obtain high-quality
Radix Notoginseng is lyophilized.In terms of dried freeze-drying prods, shape is basically unchanged, since entire drying process is all the feelings freezed in Radix Notoginseng
It completes, the interior tissue frame of Radix Notoginseng and does not change originally under condition, rehydration time is fast.
System of processing is lyophilized in the Radix Notoginseng of the embodiment of the present invention, using near infrared spectrometer to three in freeze-drying process
Seven moisture carries out Fast nondestructive evaluation, and analyzes moisture, cold using analysis result automatic adjustment vacuum
The freeze-drying of lyophilizer controls data, not only carries out Fast nondestructive evaluation to the moisture that Radix Notoginseng is currently lyophilized, moreover it is possible to save
The energy reduces processing cost.Other chemical substances are not added in freeze-drying process, it is ensured that the qualified product produced is protected
The quality of card freeze-drying Radix Notoginseng.Compound components of panax notoginseng loss using the Radix Notoginseng freeze-drying system of processing processing of the embodiment of the present invention is few,
Its saponin content is more slightly lower than the saponin content of fresh Radix Notoginseng, and freeze-drying Radix Notoginseng and fresh Radix Notoginseng solid colour, aberration Δ L are less than 3, packaging
The aberration Δ L values after 3 months are less than 6 afterwards.Radix Notoginseng moisture content after freeze-drying is less than 2%, and reconstitution rate is higher than 90%, quality is loose,
Rehydration is good, smell is dense, cutting and crushing are easy.
As a further improvement of the above technical scheme, the method for building up of water and basis weight analysis model includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum.
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated.Specifically, to infrared light
Spectrum carries out pretreated method and uses multiplicative scatter correction method.The RMSECV obtained using different preprocessing procedures is bright
Aobvious difference, multiplicative scatter correction can effectively eliminate that distribution of particles is uneven and granular size it is different caused by scattering influence,
To the near infrared spectrum in some freeze-drying stage after multiplicative scatter correction, the accuracy of quantitative effect can be improved.
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined.
Establish standard Radix Notoginseng sample Key Quality Con trolling index and between the near infrared spectrum data that obtains that treated
Water and basis weight analysis model.
In wavelength 5568.3cm-1~4350.5cm-1, near infrared spectrum data through multiplicative scatter correction after pre-processing, use
Calibration carries out cross-validation, and Radix Notoginseng moisture content quantitative analysis model is established using Partial Least Squares.It utilizes
Radix Notoginseng moisture content quantitative analysis model can carry out Accurate Prediction to the moisture of Radix Notoginseng to be checked.
As a further improvement of the above technical scheme, the scanning wave band that near-infrared spectrometer uses for
5425.1cm-1.Experiments verify that this wave band original spectrum through multiplicative scatter correction, carried out with Calibration internal
Cross validation establishes Radix Notoginseng moisture content quantitative analysis model using Partial Least Squares.Utilize Radix Notoginseng moisture content quantitative point
Analysing model can be more accurate to the prediction of the moisture of Radix Notoginseng to be checked.
Second aspect, as shown in Fig. 2, show the flow chart of the Radix Notoginseng freeze-drying processing control method of the present invention,
Specifically include following steps：
S1：Controller controls vacuum freeze drier and carries out pre-freeze and vacuum freeze drying to the Radix Notoginseng to be checked after cleaning.
S2：Controller receives the near infrared spectrum that near-infrared spectrometer acquires Radix Notoginseng to be checked.Near infrared spectrum detects
The scanning wave band that instrument uses is 5568.3cm-1~4350.5cm-1。
S3：The water and basis weight analysis model in the different freeze-drying stages of standard Radix Notoginseng sample, controller root are stored in controller
According to the different freeze-drying stages standard Radix Notoginseng sample water and basis weight analysis model to the Radix Notoginseng near infrared spectrum to be checked of respective stage
Determination of moisture is carried out, controller judges whether Radix Notoginseng moisture to be checked reaches the water of the standard Radix Notoginseng sample in current freeze-drying stage
Divide content, obtains judging result.
Specifically, the method for building up of water and basis weight analysis model includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum.
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated.Specifically, to infrared light
Spectrum carries out pretreated method and uses multiplicative scatter correction method.The RMSECV obtained using different preprocessing procedures is bright
Aobvious difference, multiplicative scatter correction can effectively eliminate that distribution of particles is uneven and granular size it is different caused by scattering influence,
To the near infrared spectrum in some freeze-drying stage after multiplicative scatter correction, the accuracy of quantitative effect can be improved.
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined.
Establish standard Radix Notoginseng sample Key Quality Con trolling index and between the near infrared spectrum data that obtains that treated
Water and basis weight analysis model.
In wavelength 5568.3cm-1~4350.5cm-1, near infrared spectrum data through multiplicative scatter correction after pre-processing, use
Calibration carries out cross-validation, and Radix Notoginseng moisture content quantitative analysis model is established using Partial Least Squares.It utilizes
Radix Notoginseng moisture content quantitative analysis model can carry out Accurate Prediction to the moisture of Radix Notoginseng to be checked.
The scanning wave band that near-infrared spectrometer uses is 5425.1cm-1.Experiments verify that in the original of this wave band
Spectrum carries out cross-validation through multiplicative scatter correction, with Calibration, and Radix Notoginseng moisture is established using Partial Least Squares
Content quantitative analysis model.The moisture of Radix Notoginseng to be checked can be predicted using Radix Notoginseng moisture content quantitative analysis model more accurate
Really.
S4：If the determination result is YES, controller control vacuum freeze drier adjusts freeze-drying control data or stops work
Make.
One of actual application scenarios：Using three near-infrared spectrometers respectively to the surface moisture of Radix Notoginseng, interior
Portion's water content and overall moisture content are detected, and the data of detection are sent to controller by near-infrared spectrometer.Controller
Control vacuum freeze drier adjust freeze-drying control data detailed process include：
1) Radix Notoginseng is subjected to pre-freeze, temperature is less than -40 DEG C, and the pre-freeze time is more than 1 hour；
2) control baffle temperature is -40 DEG C, and the vacuum degree that controller controls vacuum freeze drier is less than 30Pa, monitoring three
Seven surface moisture, interior moisture content and overall moisture content；
3) when the surface moisture of Radix Notoginseng<30%, interior moisture content<70%, partition board is warming up to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
4) surface moisture of Radix Notoginseng<20%, interior moisture content<60%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier is in 40-80Pa；
5) when the surface moisture of Radix Notoginseng<20%, interior moisture content<50%, partition board is cooled to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 80-100Pa；
6) when the surface moisture of Radix Notoginseng<20%, interior moisture content<40%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
7) when the surface moisture of Radix Notoginseng<20%, interior moisture content<30%, partition board is cooled to -30 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 80-100Pa；
8) when the surface moisture of Radix Notoginseng<10%, interior moisture content<25%, partition board is heated to -20 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
9) when the surface moisture of Radix Notoginseng<10%, interior moisture content<20%, partition board is heated to -10 DEG C, controller control
The vacuum degree of vacuum freeze drier processed is in 40-80Pa；
10) when the surface moisture of Radix Notoginseng<5%, interior moisture content<15%, overall moisture content<7%, partition board is heated to
0 DEG C, controller controls the vacuum degree of vacuum freeze drier in 40-80Pa；
11) when the overall moisture content of Radix Notoginseng<6%, partition board is heated to 10 DEG C, controller controls vacuum freeze drier
Vacuum degree is in 40-80Pa；
12) when the overall moisture content of Radix Notoginseng<5%, partition board is heated to 40 DEG C, controller controls vacuum freeze drier
Vacuum degree is in 90-120Pa；
13) when the overall moisture content of Radix Notoginseng<2%, it is 40 DEG C to maintain baffle temperature, and drying to vacuum degree is less than 20Pa, after
It is continuous 1-2 hours dry, obtain freeze-drying prods.
Processing control method is lyophilized in the Radix Notoginseng of the embodiment of the present invention, using near infrared spectrometer in freeze-drying process
The moisture of Radix Notoginseng carry out non-destructive testing, and moisture is analyzed, it is cold using analysis result automatic adjustment vacuum
The freeze-drying of lyophilizer controls data, is not only carried out non-destructive testing to Radix Notoginseng, moreover it is possible to and it is energy saving, reduce processing cost.Freezing
Other chemical substances are not added during dry, it is ensured that the qualified product produced ensures the quality of freeze-drying Radix Notoginseng.Using this
The compound components of panax notoginseng loss of the Radix Notoginseng freeze-drying processing control method processing of inventive embodiments is few, and saponin content is than fresh Radix Notoginseng
Saponin content is slightly lower, and freeze-drying Radix Notoginseng and fresh Radix Notoginseng solid colour, aberration Δ L is less than 3, the aberration Δ L values after packaging after 3 months
Less than 6.Radix Notoginseng moisture content after freeze-drying is less than 2%, and reconstitution rate is higher than 90%, and quality is loose, rehydration is good, smell is dense, cutting
It is easy with crushing.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. system of processing is lyophilized in a kind of Radix Notoginseng, which is characterized in that including vacuum freeze drier, near-infrared spectrometer and control
Device processed, the vacuum freeze drier are used to carry out vacuum freeze drying to the Radix Notoginseng to be checked after cleaning；The near infrared spectrum
Detector is used to acquire the near infrared spectrum of Radix Notoginseng to be checked in vacuum freeze drier；The controller is stored with control instruction,
For controlling vacuum freeze drier work；The water in the different freeze-drying stages of standard Radix Notoginseng sample is also stored in the controller
Divide Quantitative Analysis Model, controller closely red to the Radix Notoginseng to be checked according to the water and basis weight analysis model in the different freeze-drying stages
External spectrum carries out determination of moisture, and controller judges whether Radix Notoginseng moisture to be checked reaches the standard Radix Notoginseng sample in current freeze-drying stage
The moisture of product, if the determination result is YES, control vacuum freeze drier adjust freeze-drying control data or are stopped.
2. system of processing is lyophilized in Radix Notoginseng as described in claim 1, which is characterized in that the foundation of the water and basis weight analysis model
Method includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum；
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated；
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined；
Establish standard Radix Notoginseng sample Key Quality Con trolling index and with the water between the near infrared spectrum data that obtains that treated
Divide Quantitative Analysis Model.
3. system of processing is lyophilized in Radix Notoginseng as claimed in claim 2, which is characterized in that pre-processed to the near infrared spectrum
Method use multiplicative scatter correction method.
4. system of processing is lyophilized in the Radix Notoginseng as described in one of claim 1-3, which is characterized in that the near-infrared spectrometer
The scanning wave band used is 5568.3cm-1~4350.5cm-1。
5. system of processing is lyophilized in Radix Notoginseng as claimed in claim 4, which is characterized in that the freeze-drying control data bag includes vacuum pressure
By force, true temp and freeze-drying time.
6. processing control method is lyophilized in a kind of Radix Notoginseng, it is suitable for Radix Notoginseng and system of processing is lyophilized, which is characterized in that specifically include following
Step：
Controller controls vacuum freeze drier and carries out pre-freeze and vacuum freeze drying to the Radix Notoginseng to be checked after cleaning：
Controller receives the near infrared spectrum that near-infrared spectrometer acquires Radix Notoginseng to be checked；
The water and basis weight analysis model in the different freeze-drying stages of standard Radix Notoginseng sample is stored in controller, controller is according to different jellies
The water and basis weight analysis model of the standard Radix Notoginseng sample in dry stage carries out moisture to the Radix Notoginseng near infrared spectrum to be checked of respective stage
It measuring, controller judges whether Radix Notoginseng moisture to be checked reaches the moisture of the standard Radix Notoginseng sample in current freeze-drying stage,
Obtain judging result；
If the determination result is YES, controller control vacuum freeze drier adjusts freeze-drying control data or is stopped.
7. processing control method is lyophilized in Radix Notoginseng as claimed in claim 6, which is characterized in that the water and basis weight analysis model
Method for building up includes：
Acquisition standard Radix Notoginseng sample wherein one freeze-drying the stage near infrared spectrum；
The near infrared spectrum is pre-processed, the near infrared spectrum data that obtains that treated；
Using standard Radix Notoginseng sample moisture as Key Quality Con trolling index, optimal spectrum wave band is determined；
Establish standard Radix Notoginseng sample Key Quality Con trolling index and with the water between the near infrared spectrum data that obtains that treated
Divide Quantitative Analysis Model.
8. processing control method is lyophilized in Radix Notoginseng as claimed in claim 7, which is characterized in that carried out to the near infrared spectrum pre-
The method of processing uses multiplicative scatter correction method.
9. processing control method is lyophilized in the Radix Notoginseng as described in one of claim 6-8, which is characterized in that the near infrared spectrum inspection
The scanning wave band that survey instrument uses is 5568.3cm-1~4350.5cm-1。
10. processing control method is lyophilized in Radix Notoginseng as claimed in claim 9, which is characterized in that the freeze-drying control data bag includes
Vacuum pressure, true temp and freeze-drying time.
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