WO2007079508A1 - Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel - Google Patents
Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel Download PDFInfo
- Publication number
- WO2007079508A1 WO2007079508A1 PCT/AT2006/000014 AT2006000014W WO2007079508A1 WO 2007079508 A1 WO2007079508 A1 WO 2007079508A1 AT 2006000014 W AT2006000014 W AT 2006000014W WO 2007079508 A1 WO2007079508 A1 WO 2007079508A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radiation
- examined
- emission
- stored
- values
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
Definitions
- the present invention relates to a method for the contactless and sample-free determination of the state of biological material, in particular food, as well as a device for carrying out this method.
- microbiological processes can cause chemical transformations of substances that cause biological changes in the goods. This can lead to food spoilage or the like.
- CH 564 775 a method is disclosed in which the package to be examined is stored under uniform thermal conditions in a storage room. This must be done at a certain temperature and over a period of a few hours or days, after which the assessment is made.
- AT 324.026 describes a complex process in which the test is carried out in a laboratory with the aid of a thermal imaging camera, whereby in this method not a composition of the examined material, but only an increased bacterial content is determined.
- AT 384.679 The method described in AT 384.679 is concerned with the detection of yeast and molds, wherein in this method, the material to be examined is subjected to a cultivation process in a laboratory, which also requires a great deal of time, material and personnel.
- laser measuring technology has only been used to detect certain substances, for example to inspect border crossing points, to detect prohibited and dangerous goods (drugs or explosive materials and weapons). That is, the known measurement techniques (by measuring the emission of rays, such as lasers, atom lasers, alpha spectrometer measurements) concern only the verification of the presence of a specific well-known good, but not the detection of its biological state or, where appropriate, its biological composition.
- test objects to be examined are superficially scanned, eg also with a laser light, the reflected or emitted radiation being measured. Thus, practically only the surface of the test object is examined, but not the underlying layers.
- the mentioned disadvantages are avoided by inducing an emission radiation in the material to be investigated by means of coherent radiation and measuring it directly, wherein the measured values are compared with a desired or limit value.
- the inventive method makes use of the fact that any change in the biological composition or the biological structure of a material or a microorganism infestation caused a change in the induced radiation emission. Due to the aforementioned change and the comparison with a setpoint or limit value, it can then be determined in a simple manner whether or not the material investigated meets the prescribed standards.
- the setpoint values (optimum state) or limit values for the radiation emission can be determined as guideline values and then stored. This is best done by artificially simulating various conditions which may occur in practice, e.g. Contamination or infection of food with microorganisms, pathogens, viruses or other disease triggers. The deviations occurring in comparison to the already measured and stored setpoint or limit value are then used to assess the level of the material under investigation.
- the determined data can advantageously also be stored with time information and dates for comparison measurements.
- the output power of the emitted radiation may be just below the permissible power limit.
- This permissible or legally permitted power limit of the laser serves to ensure that other persons who are in the vicinity of the measuring device are not injured by experienced persons, even when used. In addition, it is prevented that too much power the examined food, the output of the emitted rays are distorted taking into account the packaging. Likewise, the output power of the emitted radiation may be matched to the distance between the radiation source and the material to be inspected, thereby permitting a more accurate measurement.
- the blasting device contains a micro-coring unit for comparing the determined emission data with the setpoint and limit value stored in the memory.
- the device can also be specialized for the detection of special microbiological processes (for example when traveling) by extension (additional chips, additional cards).
- it may be suitable for the detection of bacteria, yeasts and molds, wherein optionally also simultaneously adjacent properties such as germ content, gas formation, fermentation, acid formation and the like can be determined.
- special parameters can be stored in the memory, by means of which it is possible to examine in detail for defined bacteria, eg Salmonella in foods, mold fungi in milk, or certain pathogens in liquids.
- the device may be set to provide control of the spraying and / or fertilizers used in fruits and vegetables and / or admixtures of possibly prohibited preservatives.
- the Radiation can be regulated so that the regulation of the emitted radiation, the food regardless of the temperature, ie also frozen food, for its enjoyability is verifiable.
- the memory may be provided with data which additionally allows checking the composition and / or resistance of packaging materials and / or the delivery of certain substances.
- the device can be connected to cash registers with known reading methods, the result being that it can be placed on the cash register.
- Fig. 1 the structure of a basic unit
- Fig. 2 a preferred embodiment, with which a precise diagnosis of the content of the material to be examined is made possible
- Fig. 3 shows a further embodiment of the invention Contraption.
- the laser beam 1 a emitted by the laser 1 hits the material 2 to be examined and induces an emission beam 2 a which is stored by a central micro-unit 3.
- a switch W is installed, which is called short selector switch below.
- This allows switching to the subgroups 4 'and 4 "stored on the memory 4, which contain the setpoint values, in this case defined limit values of the desired generic terms, eg milk or meat or the like, which are at least two subgroups.
- the measurement result is compared with the stored setpoint value.
- the result obtained is displayed on the display device 5 in analogue or digital form, and it may be assisted by acoustic and / or optical signals, and the result is limited to only a positive or negative result, e.g. is the milk edible - yes / no, without definition of the content.
- Fig. 2 shows the schematic structure of another preferred embodiment of the device according to the invention, wherein as stated a more precise diagnosis of the content of the material to be examined is made possible. This is achieved by comparing the induced emission radiation 2a on the central micro-coring unit 3 with stored and demarcated independent storage memories using, for example, one of the food storage units, the other for medical purposes as mentioned above in the description is (hereinafter referred to as reference memory 4a and 4b) which can be switched by a function switch F between at least two reference memories 4a and 4b.
- reference memory 4a and 4b The result obtained is mentioned in the description, is used (hereinafter referred to as reference memory 4a and 4b) which can be switched by a function switch F between at least two reference memories 4a and 4b.
- the determined result is shown on the display device 5 analog or digital, wherein it may be supported by acoustic and / or optical signals.
- the material to be examined no longer has to be removed from the packaging, although the type of packaging (plastic, glass, metal or mixed materials such as tetra-pack or in a vacuum or the like) does not affect the result. It only needs to be taken to ensure that the level of the emitted laser beam of the device according to the invention is chosen so that an emission is made possible. In order to obtain the measurement result, it must be ensured that an energetically higher level is also occupied more strongly. Then the rate of induced emission by a light radiation is higher than the absorption of the light radiation; It is not weakened when passing through the material, but reinforced.
- a particularly economical embodiment of the device provides that the device according to the invention can examine the material to be examined for defined bacteria. In this case, however, the device must be characterized by its special usability. According to a particularly preferred embodiment of the method according to the invention, detection of both bacteria, yeast and mold is possible, and at the same time characteristic properties such as germ content, gas formation, fermentation activity, acid formation and the like can be determined. This is particularly beneficial in the detection of salmonella or fungal poisoning, as in these cases, the symptoms occur in Salmonella after 8 to 14 hours, with mushroom intoxication after up to 18 hours.
- mycotoxins produced by mold. They can be present in all foods, are odorless and tasteless and can lead to severe liver damage. Until now, the detection of mycotoxins has been difficult and tedious.
- a known subgroup of mycotoxins are the aflatoxins which are found, for example, in pistachios.
- the device according to the invention produced in a particularly simple manner the enjoyment of liquids, e.g. Milk in known packaging (eg Tetra-Pack) to be checked.
- the device is based on studies in which sealed aseptic packs are stored under uniform thermal conditions in a storage room at temperatures between + 2 ° and + 60 °, preferably about + 15 ° to + 25 ° C over a few hours or days. The results obtained in this way can be stored as limit values in the device.
- spoilage products e.g. of the adenosine tri-phosphoate, such as hypoxanthine, inosine and inosine acid and / or their composition, depending on the action sensitivity by means of certain enzymes; be detected, i.
- the device according to the invention makes it possible to detect the spray or fertilizer used in fruits and vegetables and / or the existence and / or admixture of possibly prohibited preservatives even in foods in processed form, for example in jams or ketchup.
- the method according to the invention or the device according to the invention offers the possibility of producing foodstuffs independent of the temperature, i. also to check frozen food for its enjoyment.
- a barely noticed fact is that microorganisms are not killed by cooling.
- Some enzymes also work at temperatures of - 40 ° C.
- Frozen food which has recently become more and more on the shelves, is particularly susceptible to the delicate problem of transport (danger of breaking the cold chain).
- the device according to the invention can be manufactured in such a way that it is specialized by extensions (additional chips, additional cards) also for the detection of special microbiological processes or for the detection of microorganisms. This is very effective, especially when traveling, where other conditions of hygiene or high temperatures lead to rapid spoilage of food.
- compositions and / or resistance of packaging materials and / or the delivery of certain substances e.g., delivery of carcinogenic moieties from some packaging materials
- certain substances e.g., delivery of carcinogenic moieties from some packaging materials
- the device according to the invention or the method according to the invention for determining the state of biological material which is essentially characterized in that the induced emission radiation emitted by a radiation source, eg a laser, is measured directly so that it emits at least one If the limit value is being compared, it will be particularly efficient in research, shortening lengthy testing procedures and, for example, speeding up the development of vaccines and others.
- the method according to the invention or the device according to the invention therefore makes it possible to determine and diagnose all biological materials in a particularly simple manner. Since blood and other bodily substances are also composed of biological materials in which microbiological changes take place, it is logical to recognize these microbiological changes with the method according to the invention or the device according to the invention.
- a further advantageous embodiment of the invention is that it makes it possible to detect microbiological changes in other organic substances, such as blood, among others, with a single device by means of control switches, since, for example, each germ emits its own induced emission beam, the examination on site and without physical contact with the material to be examined (ie without taking blood, etc.), as well as by anyone without specialist knowledge with little effort on site can be carried out. Inflammation or other organic changes such as cancer can be detected quickly and easily.
- an elevated level of glucose which emits another induced emission radiation, can be detected in the blood (hyperglycemia), which is the most important laboratory chemical indicator for the detection of diabetes mellitus (diabetes mellitus). So far, regular blood glucose tests have been performed in patients using test sticks. Another characteristic feature of this metabolic disease is the excretion of glucose in the urine.
- the detection of addictive substance and narcotic substance (s), even on chemically produced forms of addictive substances and intoxicants, is provided in the body. e.g. in the blood, to allow.
- the device produced according to the invention can display the determined measured values analog or digitally readable and / or can be equipped with acoustically and / or optically perceptible signals.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Food Science & Technology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006352467A AU2006352467A1 (en) | 2006-01-13 | 2006-01-13 | Method and device for determining the condition of biological material, in particular foodstuffs |
CNA2006800535984A CN101395470A (zh) | 2006-01-13 | 2006-01-13 | 确定生物材料、尤其是食品的状态的方法与设备 |
BRPI0621227-1A BRPI0621227A2 (pt) | 2006-01-13 | 2006-01-13 | processo e dispositivo para determinação da condição de material biológico, particularmente alimentos |
EP06700487A EP1974208A1 (de) | 2006-01-13 | 2006-01-13 | Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel |
US12/160,788 US20110053211A1 (en) | 2006-01-13 | 2006-01-13 | Process and device for determining the condition of biological material, in particular food |
CA002638394A CA2638394A1 (en) | 2006-01-13 | 2006-01-13 | Process and device for determining the condition of biological material, in particular food |
PCT/AT2006/000014 WO2007079508A1 (de) | 2006-01-13 | 2006-01-13 | Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel |
JP2008549709A JP2009523231A (ja) | 2006-01-13 | 2006-01-13 | 生物学的材料特に食品の状態を決定するためのプロセスと装置 |
IL192792A IL192792A0 (en) | 2006-01-13 | 2008-07-13 | Process and device for determining the condition of biological material, in particular food |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/AT2006/000014 WO2007079508A1 (de) | 2006-01-13 | 2006-01-13 | Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007079508A1 true WO2007079508A1 (de) | 2007-07-19 |
Family
ID=36604177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2006/000014 WO2007079508A1 (de) | 2006-01-13 | 2006-01-13 | Verfahren und vorrichtung zur bestimmung des zustandes von biologischem material, insbesondere lebensmittel |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110053211A1 (de) |
EP (1) | EP1974208A1 (de) |
JP (1) | JP2009523231A (de) |
CN (1) | CN101395470A (de) |
AU (1) | AU2006352467A1 (de) |
BR (1) | BRPI0621227A2 (de) |
CA (1) | CA2638394A1 (de) |
IL (1) | IL192792A0 (de) |
WO (1) | WO2007079508A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104126123A (zh) * | 2011-12-09 | 2014-10-29 | 谢策·谢泽马 | 用于检测乳中的细菌的方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104178553A (zh) * | 2014-09-05 | 2014-12-03 | 佛山市海天调味食品股份有限公司 | 一种检测调味品防腐能力的方法 |
EP3211400B1 (de) * | 2016-02-24 | 2020-07-22 | TOMRA Sorting NV | Verfahren und vorrichtung zur detektion der anwesenheit von mykotoxinen in getreiden |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0361625A2 (de) * | 1988-09-30 | 1990-04-04 | Meyn B.V. | Verfahren und Vorrichtung zur Untersuchung von Nahrungsmitteln durch Bestrahlung |
US5239180A (en) * | 1990-02-02 | 1993-08-24 | Boston Advnaced Technologies, Inc. | Laser systems for food analysis based on reflectance ratio detection |
WO1998057145A1 (en) * | 1997-06-10 | 1998-12-17 | Quadrivium, L.L.C. | System and method for detection of a biological condition |
WO2002077608A2 (en) * | 2001-03-22 | 2002-10-03 | University Of Utah | Optical method and apparatus for determining status of agricultural products |
US6587575B1 (en) * | 2001-02-09 | 2003-07-01 | The United States Of America As Represented By The Secretary Of Agriculture | Method and system for contaminant detection during food processing |
US20030147073A1 (en) * | 2000-07-12 | 2003-08-07 | Varghese Abraham | Optical food oil quality sensor |
US20050068535A1 (en) * | 2001-11-28 | 2005-03-31 | Battelle Memorial Institute | System and technique for detecting the presence of foreign material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5372030A (en) * | 1993-09-15 | 1994-12-13 | The University Of Georgia Research Foundation, Inc. | Non-destructive firmness measuring device |
JP2004024656A (ja) * | 2002-06-27 | 2004-01-29 | Fuji Photo Film Co Ltd | 蛍光内視鏡装置 |
-
2006
- 2006-01-13 AU AU2006352467A patent/AU2006352467A1/en not_active Abandoned
- 2006-01-13 WO PCT/AT2006/000014 patent/WO2007079508A1/de active Application Filing
- 2006-01-13 CA CA002638394A patent/CA2638394A1/en not_active Abandoned
- 2006-01-13 JP JP2008549709A patent/JP2009523231A/ja active Pending
- 2006-01-13 CN CNA2006800535984A patent/CN101395470A/zh active Pending
- 2006-01-13 US US12/160,788 patent/US20110053211A1/en not_active Abandoned
- 2006-01-13 EP EP06700487A patent/EP1974208A1/de not_active Withdrawn
- 2006-01-13 BR BRPI0621227-1A patent/BRPI0621227A2/pt not_active IP Right Cessation
-
2008
- 2008-07-13 IL IL192792A patent/IL192792A0/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0361625A2 (de) * | 1988-09-30 | 1990-04-04 | Meyn B.V. | Verfahren und Vorrichtung zur Untersuchung von Nahrungsmitteln durch Bestrahlung |
US5239180A (en) * | 1990-02-02 | 1993-08-24 | Boston Advnaced Technologies, Inc. | Laser systems for food analysis based on reflectance ratio detection |
WO1998057145A1 (en) * | 1997-06-10 | 1998-12-17 | Quadrivium, L.L.C. | System and method for detection of a biological condition |
US20030147073A1 (en) * | 2000-07-12 | 2003-08-07 | Varghese Abraham | Optical food oil quality sensor |
US6587575B1 (en) * | 2001-02-09 | 2003-07-01 | The United States Of America As Represented By The Secretary Of Agriculture | Method and system for contaminant detection during food processing |
WO2002077608A2 (en) * | 2001-03-22 | 2002-10-03 | University Of Utah | Optical method and apparatus for determining status of agricultural products |
US20050068535A1 (en) * | 2001-11-28 | 2005-03-31 | Battelle Memorial Institute | System and technique for detecting the presence of foreign material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104126123A (zh) * | 2011-12-09 | 2014-10-29 | 谢策·谢泽马 | 用于检测乳中的细菌的方法 |
CN104126123B (zh) * | 2011-12-09 | 2016-10-26 | 谢策·谢泽马 | 用于检测乳中的细菌的方法 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0621227A2 (pt) | 2011-12-06 |
AU2006352467A1 (en) | 2007-07-19 |
CA2638394A1 (en) | 2007-07-19 |
CN101395470A (zh) | 2009-03-25 |
IL192792A0 (en) | 2009-02-11 |
EP1974208A1 (de) | 2008-10-01 |
JP2009523231A (ja) | 2009-06-18 |
US20110053211A1 (en) | 2011-03-03 |
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