CN211927707U - Device for rapidly detecting sweetener saccharin sodium in dry food packaging paper - Google Patents
Device for rapidly detecting sweetener saccharin sodium in dry food packaging paper Download PDFInfo
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- CN211927707U CN211927707U CN202020136232.0U CN202020136232U CN211927707U CN 211927707 U CN211927707 U CN 211927707U CN 202020136232 U CN202020136232 U CN 202020136232U CN 211927707 U CN211927707 U CN 211927707U
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Abstract
The utility model discloses a device for rapidly detecting sweetener saccharin sodium in dry food packaging paper, which comprises an air supply part, an extraction sample introduction part, a color development part and a back extraction agent feed tank, the air supply part is communicated with the upper end of the extraction sample introduction part through a pipeline, the color development part is provided with an upper opening and a side opening, the upper opening is communicated with the lower end of the extraction sample inlet part, the side opening is communicated with the stripping agent feed box, the pipelines are all flexible pipes made of rubber or silica gel and have certain elasticity and stretchability, the extraction and sample introduction part is used for filling an extractant water and sample dry food packaging paper, the color development part is filled with a color development reagent methylene blue solution, the back extraction agent is trichloromethane containing a small amount of ethanol, the device can rapidly detect the saccharin sodium salt as the sweetening agent in the dry food packaging paper, and has the advantages of simple structure, low manufacturing cost and easy popularization.
Description
Technical Field
The utility model relates to a food analysis technical field especially relates to a device that is arranged in short-term test dry food package paper sweetener saccharin sodium.
Background
Sweeteners are an important food additive for improving the taste and flavor of foods, and among them, non-sugar sweeteners are widely used in the modern food industry as a substitute for sucrose due to their advantages of high sweetness, low calorie, and much less involvement in metabolic processes. In recent years, with the improvement of consumption and cognition level, people pay more attention to food safety problems, and the use of various additives in food, particularly sweeteners, is more and more emphasized. The food additive is harmless to human body when used in a prescribed dosage range, and may cause various forms of toxicity manifestation when used in an excessive amount. Therefore, the amount of the catalyst used must be strictly controlled to exert its advantageous effects and to prevent its adverse effects. At present, the sweetening agents such as saccharin sodium, sodium cyclamate and the like are strictly restricted in use and set a large number of standards in various countries, and the sweetening agents become the key points of investigation in international trade and domestic standards. The national standard GB 2760 'food additive use standard' of China has clear regulations on the application range and the addition limit of sweeteners for food processing, including sodium cyclamate, acesulfame potassium, xylitol, alitame, aspartame and the like.
Paper food packaging materials have many advantages over conventional packaging materials, and thus the proportion of paper food packaging materials in food packaging materials has been steadily increasing in recent years. To improve mouthfeel, enrich the characteristic aroma, some food industries apply functional additives (such as sweeteners) in paper packaging materials. With the increasing requirements for food safety, an important research in the field of food packaging materials focuses on whether additives in the food packaging materials can migrate from the food packaging materials into food and the migration amount, and provides scientific judgment basis and method for objectively evaluating the intake amount of the additives (sweeteners).
The prior method for measuring the saccharin sodium comprises a fluorescence spectrophotometry method, an ultraviolet spectrophotometry method, a thin layer chromatography method, a phenolsulfonic titanium colorimetry, a high performance liquid chromatography method, a water titration method, a liquid film electrode method and the like, and the method for measuring the saccharin sodium in the food specified by the national standard (GB/T5009.28-2003) comprises the high performance liquid chromatography method, the thin layer chromatography method and an ion selective electrode measuring method. The high performance liquid chromatography has the advantages of high separation efficiency, high sensitivity and the like, and the content of the saccharin sodium in a sample can be accurately detected by adopting a standard substance contrast method, but the equipment is expensive and large in volume, and the rapid field detection is difficult to realize.
Disclosure of Invention
In order to solve the problem, the utility model provides a device that is arranged in rapid survey dry food package paper sweetener saccharin sodium, the device can rapid survey sweetener saccharin sodium in the dry food package paper, simple structure, low in cost, easily popularization.
The utility model provides a technical scheme of problem provides a device that is arranged in short-term test dry food package paper sweetener saccharin sodium, including air supply portion, extraction introduction portion, color development portion, reextraction agent feed box, air supply portion passes through the upper end intercommunication of pipeline with the extraction introduction portion, color development portion is equipped with upper shed and side opening, the upper shed with the lower extreme intercommunication of extraction introduction portion, the side opening with reextraction agent feed box intercommunication, above-mentioned pipeline are the hose, and the material can be rubber or silica gel, has certain elasticity and stretchability, and extraction introduction portion is used for filling extractant water and sample dry food package paper, and color development portion is equipped with color development agent methylene blue solution, and reextraction agent is the chloroform that contains a small amount of ethanol.
Preferably, the side opening of the color developing part is provided with a first valve for controlling the addition of a stripping agent to the color developing part, where the first valve may be a valve similar to that in a prior art separatory funnel, where the first valve is in communication with the stripping agent feed tank.
Preferably, the lower end of the extraction and sample injection part is provided with a filtering mechanism, the upper end of the extraction and sample injection part is provided with an opening for connecting the adapter, the filtering mechanism can be a water system microporous filtering mechanism, and the filtering mechanism is arranged in the extraction and sample injection part.
Preferably, the color developing part is provided with a stirring rotor, the bottom of the color developing part is in contact with a magnetic stirrer, and the stirring rotor is naturally placed inside the color developing part.
Preferably, the portion of sending gas is including the pressure ball that is equipped with one-way air inlet, with the pressure ball passes through the surge tank of pipe connection, and the pressure ball of one-way air inlet makes the one-way flow direction of gas steady voltage cabin through one-way admission valve, and the surge tank plays a cushioning effect, lets the gas that comes from the pressure ball get into the extraction and advance the appearance portion more gently.
Preferably, the extraction sample introduction part, the color development part and the back extractant feed box are provided with scale marks.
Preferably, a second valve is arranged above the filtering mechanism, and the second valve can be a valve similar to that in a separating funnel in the prior art.
Preferably, the extraction and sample introduction part is fixed by a fixing frame, and the fixing frame can be an iron stand.
The utility model has the advantages as follows:
1. through the experimental device, the rapid semi-quantitative analysis of the saccharin sodium as the sweetening agent in the dry food packaging paper can be realized, the defects that the existing instrument is expensive in equipment, large in size and difficult to realize on-site rapid detection are overcome, the efficiency and the stability of target extraction are ensured, and the practical and popularization values are high;
2. the air inlet part is balanced in air inlet, so that the sample liquid of the extraction sample introduction part can smoothly reach the color development part through air pressure;
3. the color developing part is provided with a side opening for conveniently feeding a reverse extracting agent, and a first valve for controlling the reverse extracting agent to be fed into the color developing part is arranged at the position communicated with the reverse extracting agent feeding box to control the feeding speed and determine the feeding amount;
4. a second valve is arranged above the filtering mechanism, and the extraction time of the dry food packaging paper sample in the extraction solvent can be manually controlled;
5. the whole device is easy to disassemble, assemble and clean and convenient to use.
Drawings
FIG. 1 is a schematic structural view of the apparatus;
in the figure, 1, an air supply part; 2. an extraction sample introduction part; 3. a color developing section; 4. a stripper feed tank; 31. an upper opening; 32. opening the side; 4. a stripper feed tank; 41. a first valve; 21. a filtering mechanism; 5. an adapter; 33. a stirring rotor; 6. a magnetic stirrer; 11. a pressure ball; 12. stabilizing the pressure; 212. a second valve; 7. a fixing frame.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, a device for rapidly detecting sweetener saccharin sodium in dry food packaging paper comprises an air supply part, an extraction sample introduction part, a color development part and a back extractant feeding box, wherein the air supply part is communicated with the upper end of the extraction sample introduction part through a pipeline, the color development part is provided with an upper opening and a side opening, the upper opening is communicated with the lower end of the extraction sample introduction part and is used for receiving an extracting solution of the extraction sample introduction part, the side opening is communicated with the back extractant feeding box and is used for receiving a back extractant, the pipelines are hoses, the materials can be rubber or silica gel and have certain elasticity and stretchability, the extraction sample introduction part is used for filling an extractant water and sample dry food packaging paper, the color development part is provided with a color development agent methylene blue solution which is used for reacting sodium added with the saccharin, the back extractant feeding box provides a back extractant, the back extractant is trichloromethane containing a small amount of, the mixed reagent of the trichloromethane and the ethanol is used as the extractant, so that the detection sensitivity is greatly improved, the color development gradient of a detection value is large, whether a detection sample is in a qualified range can be accurately judged, the stability of the trichloromethane is increased, and the volatility of the trichloromethane is reduced.
The side opening of the color development part is provided with a first valve for controlling the addition of a stripping agent into the color development part at the communication position with the stripping agent feed box, wherein the first valve can be a valve similar to that in a separating funnel in the prior art, and the first valve for controlling the addition of the stripping agent into the color development part is arranged at the communication position with the stripping agent feed box to control the feeding speed and determine the feeding amount.
In order to ensure that the sample liquid does not contain coarse impurities when entering the color developing part, such as shoes made by soaking dry food packaging paper, the lower end part of the extraction sample introduction part is provided with a filtering mechanism, the upper end part is provided with an opening for connecting an adapter, the filtering mechanism can be a water system microporous filtering membrane, the shape of the extraction and sample injection part can be similar to that of a syringe needle tube, the middle part of the extraction and sample injection part is provided with a second valve, the filtering mechanism can be connected with the bottom of the extraction and sample injection part through a connecting channel, the color development part is connected with the filtering mechanism through a pipeline, wherein the connecting channel and the extraction sample introduction part are integrally formed, or the water system microporous filtering membrane can be loaded by a shell, the edge of the shell is attached to the inner wall of the extraction sample introduction part, the color development part is directly connected with the bottom of the extraction sample introduction part through a pipeline, and the adapter is of a through hole structure and can be directly inserted into the upper end of the extraction sample introduction part and connected with the air supply part through a pipeline.
In order to ensure that the saccharin sodium salt and the color development liquid fully react, the color development part is provided with a stirring rotor, the bottom of the color development part is contacted with a magnetic stirrer, and the stirring rotor is naturally placed inside the color development part.
The portion of supplying gas is including the pressure ball that is equipped with one-way air inlet, with the surge tank that the pressure ball passes through the pipe connection, and the pressure ball of one-way air inlet makes the one-way flow direction surge tank of gas through one-way admission valve, and the surge tank plays a cushioning effect, lets the gas that comes from the pressure ball get into the extraction and advance kind portion more gently, and wherein the elasticity of the used material of surge tank will be far more than the elasticity of pressure ball, and its surge tank effect and the one-way principle of admitting air can be similar to the pair ball among the prior art.
The extraction sample introduction part, the color development part and the back extractant feed box are all provided with scale marks, so that the use amounts of the sample introduction liquid, the color development liquid and the back extractant can be known, and a basis is provided for calculation and display of quantitative detection of saccharin sodium.
In order to control the extraction time of the saccharin sodium, a second valve is arranged above the filtering mechanism, and the second valve can be similar to a valve in a separating funnel in the prior art.
The extraction advances kind of portion and passes through the mount fixed, and the mount here can be for the iron stand platform, prevents in the use, and extraction advances kind of portion and takes place to empty, causes the appearance liquid to run off.
The device is specifically used for closing the second valve, loading dry food packaging paper samples and extractant water in an extraction and sample injection part, connecting the extraction and sample injection part with an air supply part and a color development part through a pipeline, extruding a pressure ball, buffering the gas of the pressure ball by a pressure stabilizing cabin to enter the extraction and sample injection part, pressurizing the inner cavity of the extraction and sample injection part by the gas, opening the second valve, enabling an extracting solution to pass through a filtering mechanism, enabling a filtrate to flow into the color development part of an acid solution containing methylene blue, enabling target saccharin sodium to react with the methylene blue to generate a hydrophobic ion association, then opening the first valve, adding an ethanol solution of a back extractant trichloromethane in a back extractant supply box into the color development part, recording the usage amount, opening a magnetic stirrer, magnetically stirring a reaction system in the color development part, standing for layering, enabling a lower organic phase to appear blue, and enabling the color to be darker and representing that the content of the saccharin sodium in the, thus, saccharin sodium was semi-quantitatively determined.
The above mentioned matters are not related, and all the matters are applicable to the prior art.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The device for rapidly detecting the saccharin sodium salt serving as the sweetening agent in the dry food packaging paper is characterized by comprising an air supply part (1), an extraction sample introduction part (2), a color development part (3) and a back-extraction agent feed box (4), wherein the air supply part (1) is communicated with the upper end of the extraction sample introduction part (2) through a pipeline, the color development part (3) is provided with an upper opening (31) and a side opening (32), the upper opening (31) is communicated with the lower end of the extraction sample introduction part (2), and the side opening (32) is communicated with the back-extraction agent feed box (4).
2. The device for the rapid detection of the sodium saccharin sweetener in the dry food packaging paper according to claim 1, characterized in that the side opening (32) of the color development part (3) is communicated with the stripping agent feed tank (4) and is provided with a first valve (41) for controlling the feeding of the stripping agent into the color development part (3).
3. The device for rapidly detecting the saccharin sodium salt in the dry food packaging paper according to the claim 1, characterized in that the lower end part of the extraction and sample injection part (2) is provided with a filtering mechanism (21), and the upper end part is provided with an opening for connecting the adapter (5).
4. The device for the rapid detection of sodium saccharin as a sweetener in dry food packaging paper according to claim 1, characterized in that the color development part (3) is provided with a stirring rotor (33), and the bottom of the color development part (3) is in contact with a magnetic stirrer (6).
5. Device for the rapid detection of the sodium saccharin sweetener in dry food wrappers according to claim 1 characterized by the fact that said air feeder (1) comprises a pressure ball (11) provided with a one-way air inlet, a surge tank (12) connected by a pipe to said pressure ball (11).
6. The device for rapidly detecting the sweetener saccharin sodium in the dry food packaging paper according to claim 1, wherein the extraction sample introduction part (2), the color development part (3) and the back extractant feed box (4) are provided with scale marks.
7. A device for the rapid detection of the sodium saccharin sweetener in dry food wrappers according to claim 3, characterized by the fact that above said filtering means (21) there is a second valve (212).
8. The device for rapidly detecting the saccharin sodium salt in the dry food packaging paper according to the claim 1, characterized in that the extraction sample injection part (2) is fixed by a fixing frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020136232.0U CN211927707U (en) | 2020-01-21 | 2020-01-21 | Device for rapidly detecting sweetener saccharin sodium in dry food packaging paper |
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| CN202020136232.0U CN211927707U (en) | 2020-01-21 | 2020-01-21 | Device for rapidly detecting sweetener saccharin sodium in dry food packaging paper |
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| CN211927707U true CN211927707U (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671089A (en) * | 2021-09-18 | 2021-11-19 | 云南中烟工业有限责任公司 | Tobacco essence extraction, separation and concentration device with sample feeding bottle and method |
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2020
- 2020-01-21 CN CN202020136232.0U patent/CN211927707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671089A (en) * | 2021-09-18 | 2021-11-19 | 云南中烟工业有限责任公司 | Tobacco essence extraction, separation and concentration device with sample feeding bottle and method |
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