CN114264618A - Method for detecting starch content in tobacco - Google Patents
Method for detecting starch content in tobacco Download PDFInfo
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- CN114264618A CN114264618A CN202111345017.7A CN202111345017A CN114264618A CN 114264618 A CN114264618 A CN 114264618A CN 202111345017 A CN202111345017 A CN 202111345017A CN 114264618 A CN114264618 A CN 114264618A
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- tobacco
- starch
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- starch content
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 63
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 63
- 229920002472 Starch Polymers 0.000 title claims abstract description 53
- 235000019698 starch Nutrition 0.000 title claims abstract description 53
- 239000008107 starch Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 239000011521 glass Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000004737 colorimetric analysis Methods 0.000 claims abstract description 6
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 8
- 238000002137 ultrasound extraction Methods 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 235000019505 tobacco product Nutrition 0.000 description 1
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Abstract
The invention discloses a method for detecting the content of starch in tobacco, belonging to the technical field of tobacco detection, wherein the method adopts a starch detection device for tobacco to detect; the starch detection device for the tobacco comprises a case, a lifting device arranged in the case, and a pressurizing device, a first clamping device, a collection drawer and a second clamping device which are sequentially arranged on the case from top to bottom; through elevating gear control pressure device, through first, two clamping device fixed sintering glass psammitolite funnel and volumetric flask respectively in the testing process, collect the waste liquid through collecting the drawer, and then the cooperation is accomplished separation, the collection to tobacco leaf powder and liquid reagent in the sintering glass psammitolite funnel, and starch content survey is carried out with the colorimetry to the collecting liquid. The method for detecting the starch content in the tobacco is rapid in detection, one detector can process a plurality of samples at the same time, and the detection effect is remarkably improved.
Description
Technical Field
The invention belongs to the technical field of tobacco detection, and particularly relates to a method for detecting the content of starch in tobacco.
Background
The starch content in fresh tobacco leaves is very high, and the starch in the roasted tobacco leaves is a compound which is not favorable for the color, the aroma and the taste of the tobacco leaves. Starch is slow in combustion speed and has burnt smell, so that the combustion speed and the combustion completeness can be influenced when the cigarette is burnt, burnt smell can be generated during combustion, and the quality of tobacco leaves is seriously influenced. Starch content has become an important indicator for tobacco quality evaluation.
At present, the starch content in tobacco and tobacco products is mainly determined by a continuous flow method. In the determination process, a sample is required to be placed in a sintered glass sand core funnel, a reagent is added, then, the sample is subjected to decoloration and impurity removal, the sample subjected to decoloration and impurity removal is added with other reagents for starch extraction, then, a triangular flask is used for collecting an extracting solution, and after the volume is transferred and determined, the starch content in the extracting solution is determined by a colorimetric method. The liquid in the funnel of the sintered glass sand core needs to be separated from the sample by means of double-chain ball pressurization in the whole measuring process. In order to stabilize the sintered glass sand core funnel, a detector needs to hold the sintered glass sand core funnel with one hand and hold the double-chain ball with the other hand for operation, namely, one operator can only detect one sample at a time.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problems to be solved by the invention are as follows: provides a method for detecting the starch content in tobacco with high detection efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that: the method for detecting the starch content in the tobacco adopts a starch detection device for the tobacco to detect;
the starch detection device for the tobacco comprises a case, a lifting device arranged in the case, and a pressurizing device, a first clamping device, a collection drawer and a second clamping device which are sequentially arranged on the case from top to bottom;
the lifting device is used for driving the pressurizing device to move along the height direction of the case; the pressurizing device is provided with an air outlet hole, and the air outlet hole is arranged towards the first clamping device;
a groove capable of accommodating a collection drawer is formed in the case, a handle is arranged on the collection drawer, a liquid outlet hole is formed in the bottom of the collection drawer, and the bottom of the collection drawer is obliquely arranged;
the method for detecting the starch content in the tobacco comprises the following steps:
s1, grinding tobacco to be measured into powder, placing the obtained tobacco powder into a sintered glass sand core funnel, closing a piston of the sintered glass sand core funnel, adding a decoloring liquid, and performing ultrasonic extraction;
s2, placing the sintered glass sand core funnel on a first clamping device, and pulling out the collection drawer from the groove;
opening the piston and the lifting device, driving the pressurizing device to press the lower cover at the opening at the top of the sintered glass sand core funnel by the lifting device, enabling gas to flow out of the gas outlet hole, and extruding the destaining solution;
s3, pushing the drawer back into the groove, closing the piston, driving the pressurizing device to ascend by the lifting device, adding the extracting solution into the sintered glass sand core funnel, performing ultrasonic extraction, and fixing the volumetric flask on a second clamping device; opening the piston and the lifting device, and extruding the extracting solution;
and S4, detecting the liquid sample in the volumetric flask by a colorimetric method.
The invention has the beneficial effects that: according to the method provided by the invention, the starch detection device for the tobacco is adopted for detection, and the starch detection device can be simultaneously provided with a plurality of pressurizing devices, a first clamping device, a collection drawer and a second clamping device, so that one detection personnel can simultaneously process a plurality of samples, and the working efficiency of the detection personnel is obviously improved; meanwhile, the pressurizing device is adopted for pressurizing, compared with the method that the detection personnel manually pressurize the duplex balls for one time, the pressurizing speed is higher, the steps are simpler and more convenient, and the detection efficiency is obviously improved; the method provides the detection of the starch content in the tobacco to advance towards automation.
Drawings
FIG. 1 is a schematic structural diagram of a starch detection device for tobacco according to an embodiment of the present invention;
FIG. 2 is a rear perspective view of a starch detection apparatus for tobacco according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken in the direction of FIG. 2A-A;
FIG. 4 is a cross-sectional view taken in the direction of FIG. 2B-B;
FIG. 5 is a partial schematic view of a compression device according to an embodiment of the present invention;
description of reference numerals: 1. a chassis; 2. a pressurizing device; 201. an air outlet; 3. a first holding device; 4. a collection drawer; 5. a second holding device; 6. an electromagnetic valve; 7. a touch-sensitive display screen; 8. a compressed air filter; 9. a gas storage tank; 10. a pressure proportional valve; 11. a pressure switch; 12. a lifting device; 13. sintering the glass sand core funnel; 14. a volumetric flask.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, in the method for detecting the starch content in tobacco of the present invention, a starch detection device for tobacco is used for detection;
the starch detection device for the tobacco comprises a case, a lifting device arranged in the case, and a pressurizing device, a first clamping device, a collection drawer and a second clamping device which are sequentially arranged on the case from top to bottom;
the lifting device is used for driving the pressurizing device to move along the height direction of the case; the pressurizing device is provided with an air outlet hole, and the air outlet hole is arranged towards the first clamping device;
a groove capable of accommodating a collection drawer is formed in the case, a handle is arranged on the collection drawer, a liquid outlet hole is formed in the bottom of the collection drawer, and the bottom of the collection drawer is obliquely arranged;
the method for detecting the starch content in the tobacco comprises the following steps:
s1, grinding tobacco to be measured into powder, placing the obtained tobacco powder into a sintered glass sand core funnel, closing a piston of the sintered glass sand core funnel, adding a decoloring liquid, and performing ultrasonic extraction;
s2, placing the sintered glass sand core funnel on a first clamping device, and pulling out the collection drawer from the groove; the opening end of a leakage pipe of the sintered glass sand core funnel faces the opening of the collection drawer;
opening the piston and the lifting device, driving the pressing cover to be pressed at the opening at the top of the sintered glass sand core funnel by the lifting device, enabling the part of the pressing device provided with the air outlet hole to cover the opening at the top of the sintered glass sand core funnel, enabling the gas to flow out of the air outlet hole, pressing the sintered glass sand core funnel, and separating the destaining solution from the tobacco powder and extruding the destaining solution;
s3, pushing the drawer back into the groove, closing the piston, driving the pressurizing device to ascend by the lifting device, adding the extracting solution into the sintered glass sand core funnel, performing ultrasonic extraction, and fixing the volumetric flask on a second clamping device; opening the piston and the lifting device, and extruding the extracting solution;
s4, detecting the liquid sample in the volumetric flask at 570nm by a colorimetric method.
From the above description, the beneficial effects of the present invention are: according to the method provided by the invention, the starch detection device for the tobacco is adopted for detection, a plurality of pressurizing devices, a first clamping device, a collection drawer and a second clamping device can be arranged on the starch detection device at the same time, and the number of the pressurizing devices, the first clamping device, the collection drawer and the second clamping device is the same, so that one detection personnel can process a plurality of samples at the same time, and the working efficiency of the detection personnel is obviously improved; meanwhile, the pressurizing device is adopted for pressurizing, compared with the method that the detection personnel manually pressurize the duplex balls for one time, the pressurizing speed is higher, the steps are simpler and more convenient, and the detection efficiency is obviously improved; and the detection device can be used together with a PLC system to form an automatic detection device.
Further, the destaining solution is 80% ethanol-saturated sodium chloride, and the extracting solution is 40% perchloric acid solution.
As can be seen from the above description, 80% ethanol-saturated sodium chloride was used to remove impurities and decolorize the tobacco powder, and 40% perchloric acid solution was used to extract starch.
Further, starch detection device for tobacco still includes the solenoid valve, the solenoid valve is used for controlling elevating gear switching.
Furthermore, a processor is arranged in the case, a touch display screen is arranged on the case, and the processor is electrically connected with the electromagnetic valve.
As can be seen from the above description, by providing the touch display, the electromagnetic valve can be controlled by the touch display, and each lifting device can be controlled, and when a plurality of pressurizing devices are provided, the electromagnetic valves can be controlled respectively, and all of the pressurizing devices can be used at the same time, or only one or more of the pressurizing devices can be used.
Furthermore, the starch detection device for tobacco also comprises an air passage consisting of a compressed air filter, an air storage tank, a pressure proportional valve and a pressure switch.
As can be seen from the above description, the gas is purified and filtered by the compressed air filter and enters the gas storage tank, and the gas can be controlled to be sent into the sintered glass sand core funnel by arranging the pressure proportional valve and the pressure switch and the pressure can be adjusted.
Furthermore, the starch detection device for the tobacco also comprises a liquid pipeline consisting of a hose, a liquid pump and a liquid storage tank; the hose is communicated with the liquid outlet hole.
Can know from above-mentioned description, compare in waiting for the waste liquid from collecting the drawer from flowing out, through setting up the drawing liquid pump can pass through the hose with the waste liquid fast and in the suction liquid storage pot from collecting the drawer, can promote the efficiency that wholly detects on the one hand, on the other hand can avoid the waste liquid to stay for a long time and lead to the fact the corruption to collecting the drawer in collecting the drawer, promotes the life who collects the drawer.
Further, sintered glass psammitolite funnel is including the bucket body and the bushing that from top to bottom set gradually, be equipped with the piston chamber between bucket body and the bushing, be equipped with the piston in the piston chamber. The piston is inserted into the piston cavity and is in seamless movable connection with the piston cavity.
Referring to fig. 1 to 5, a first embodiment of the present invention is:
the method for detecting the starch content in the tobacco adopts a starch detection device for the tobacco to detect;
the starch detection device for the tobacco comprises a case 1, a lifting device 12 arranged in the case 1, and a pressurizing device 2, a first clamping device 3, a collection drawer 4 and a second clamping device 5 which are sequentially arranged on the case 1 from top to bottom;
the lifting device 12 is used for driving the pressurizing device 2 to move along the height direction of the case 1; an air outlet 201 is formed in the pressurizing device 2, and the air outlet 201 faces the first clamping device 3;
a groove capable of accommodating the collection drawer 4 is formed in the case 1, a handle is arranged on the collection drawer 4, a liquid outlet hole is formed in the bottom of the collection drawer 4, and the bottom of the collection drawer 4 is obliquely arranged;
the method for detecting the starch content in the tobacco comprises the following steps:
s1, grinding tobacco to be measured into powder to obtain tobacco powder, putting 0.25g of tobacco powder into a 50mL sintered glass sand core funnel 13, closing a piston of the sintered glass sand core funnel 13, adding 25mL 80% ethanol-saturated sodium chloride, and performing ultrasonic extraction for 30 min;
s2, placing the sintered glass sand core funnel 13 on the first clamping device 3, and pulling the collection drawer 4 out of the groove; the open end of the leakage pipe of the sintered glass sand core funnel 13 faces the opening of the collection drawer 4;
opening the piston and the lifting device 12, driving the lower pressing cover of the pressurizing device 2 to be pressed at the opening at the top of the sintered glass sand core funnel 13 by the lifting device 12, enabling the part of the pressurizing device 2 provided with the air outlet 201 to cover the opening at the top of the sintered glass sand core funnel 13, enabling the gas to flow out of the air outlet 201, pressurizing the sintered glass sand core funnel 13, and separating the decolored liquid from the tobacco powder and extruding out;
s3, pushing the drawer back into the groove, closing the piston, driving the pressurizing device 2 to ascend by the lifting device 12, adding 15mL of 40% perchloric acid solution into the sintered glass sand core funnel 13, performing ultrasonic extraction, and fixing the 250mL volumetric flask 14 on the second clamping device 5; the piston and the lifting device 12 are opened, and the extracting solution is pressed out;
s4, the liquid sample in the volumetric flask 14 is detected at 570nm by a colorimetric method.
Referring to fig. 1 to 5, a second embodiment of the present invention is:
on the basis of the first embodiment, the starch detection device for tobacco further comprises an air passage consisting of an electromagnetic valve 6, a compressed air filter 8, an air storage tank 9, a pressure proportional valve 10 and a pressure switch 11, and a liquid pipeline consisting of a hose, a liquid pump and a liquid storage tank;
the hose is communicated with the liquid outlet hole;
a processor is arranged in the case 1, and a touch display screen 7 is arranged on the case 1;
the electromagnetic valve 6 is used for controlling the lifting device 12 to open and close; the processor is electrically connected with the solenoid valve 6.
In conclusion, the detection method provided by the invention adopts the starch detection device for the tobacco to detect, can simultaneously treat a plurality of samples and can also treat one sample independently, has high use flexibility, can liberate the hands of detection personnel, has high detection efficiency and convenient operation, can quickly collect waste liquid and is convenient for later-stage centralized treatment; the method conforms to the idea of the modern detection laboratory developing towards automation and intellectualization.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. The method for detecting the starch content in the tobacco is characterized in that a starch detection device for the tobacco is adopted for detection;
the starch detection device for the tobacco comprises a case, a lifting device arranged in the case, and a pressurizing device, a first clamping device, a collection drawer and a second clamping device which are sequentially arranged on the case from top to bottom;
the lifting device is used for driving the pressurizing device to move along the height direction of the case; the pressurizing device is provided with an air outlet hole, and the air outlet hole is arranged towards the first clamping device;
a groove capable of accommodating a collection drawer is formed in the case, a handle is arranged on the collection drawer, a liquid outlet hole is formed in the bottom of the collection drawer, and the bottom of the collection drawer is obliquely arranged;
the method for detecting the starch content in the tobacco comprises the following steps:
s1, grinding tobacco to be measured into powder, placing the obtained tobacco powder into a sintered glass sand core funnel, closing a piston of the sintered glass sand core funnel, adding a decoloring liquid, and performing ultrasonic extraction;
s2, placing the sintered glass sand core funnel on a first clamping device, and pulling out the collection drawer from the groove;
opening the piston and the lifting device, driving the pressurizing device to press the lower cover at the opening at the top of the sintered glass sand core funnel by the lifting device, enabling gas to flow out of the gas outlet hole, and extruding the destaining solution;
s3, pushing the drawer back into the groove, closing the piston, driving the pressurizing device to ascend by the lifting device, adding the extracting solution into the sintered glass sand core funnel, performing ultrasonic extraction, and fixing the volumetric flask on a second clamping device; opening the piston and the lifting device, and extruding the extracting solution;
and S4, detecting the liquid sample in the volumetric flask by a colorimetric method.
2. The method for detecting the starch content in the tobacco as claimed in claim 1, wherein the destaining solution is 80% ethanol-saturated sodium chloride, and the extracting solution is 40% perchloric acid solution.
3. The method for detecting the starch content in the tobacco according to claim 1, wherein the starch detection device for the tobacco further comprises an electromagnetic valve, and the electromagnetic valve is used for controlling the lifting device to open and close.
4. The method for detecting the starch content in the tobacco according to claim 3, wherein a processor is arranged in the machine case, a touch display screen is arranged on the machine case, and the processor is electrically connected with the electromagnetic valve.
5. The method for detecting the starch content in the tobacco according to claim 1, wherein the device for detecting the starch content in the tobacco further comprises an air passage consisting of a compressed air filter, an air storage tank, a pressure proportional valve and a pressure switch.
6. The method for detecting the starch content in the tobacco according to claim 1, wherein the starch detection device for the tobacco further comprises a liquid pipeline consisting of a hose, a liquid drawing pump and a liquid storage tank; the hose is communicated with the liquid outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345017.7A CN114264618A (en) | 2021-11-15 | 2021-11-15 | Method for detecting starch content in tobacco |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345017.7A CN114264618A (en) | 2021-11-15 | 2021-11-15 | Method for detecting starch content in tobacco |
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| CN114264618A true CN114264618A (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111345017.7A Pending CN114264618A (en) | 2021-11-15 | 2021-11-15 | Method for detecting starch content in tobacco |
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Citations (8)
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|---|---|---|---|---|
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| CN113405876A (en) * | 2021-07-15 | 2021-09-17 | 陈传禄 | Automatic batch processing and analyzing device for hexavalent chromium in solution |
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2021
- 2021-11-15 CN CN202111345017.7A patent/CN114264618A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| US3803004A (en) * | 1970-03-04 | 1974-04-09 | Tamag Basel Ag | Method for recovering steam-volatile organic bases,particularly alkaloids of tobacco |
| US20020139752A1 (en) * | 2000-06-26 | 2002-10-03 | Berger Terry A. | Rapid sample collection in supercritical fluid chromatography |
| CN101082551A (en) * | 2007-07-09 | 2007-12-05 | 中国烟草总公司郑州烟草研究院 | Tobacco amylum ultrasonic extraction and separation method and apparatus |
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| CN103933754A (en) * | 2014-04-01 | 2014-07-23 | 北京润东仪器厂 | Automatic solid phase extraction equipment |
| CN211905240U (en) * | 2020-04-29 | 2020-11-10 | 河南中标检测服务有限公司 | Quick separation device for residual quantity analysis of trifluralin in aquatic products |
| CN113049788A (en) * | 2021-03-17 | 2021-06-29 | 周冬民 | Laboratory is with water oil separating testing arrangement |
| CN113405876A (en) * | 2021-07-15 | 2021-09-17 | 陈传禄 | Automatic batch processing and analyzing device for hexavalent chromium in solution |
Non-Patent Citations (2)
| Title |
|---|
| WANG HONG-BO等: "Determination of starch in tobacco by ultrasonic extraction and continuous flow method", TOBACCO SCIENCE & TECHNOLOGY, no. 5 * |
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