EP1974208A1 - Procédé et dispositif permettant de déterminer l'état d'une matière biologique, en particulier d'un aliment - Google Patents

Procédé et dispositif permettant de déterminer l'état d'une matière biologique, en particulier d'un aliment

Info

Publication number
EP1974208A1
EP1974208A1 EP06700487A EP06700487A EP1974208A1 EP 1974208 A1 EP1974208 A1 EP 1974208A1 EP 06700487 A EP06700487 A EP 06700487A EP 06700487 A EP06700487 A EP 06700487A EP 1974208 A1 EP1974208 A1 EP 1974208A1
Authority
EP
European Patent Office
Prior art keywords
radiation
examined
emission
stored
values
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06700487A
Other languages
German (de)
English (en)
Inventor
Bernard Douet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1974208A1 publication Critical patent/EP1974208A1/fr
Withdrawn legal-status Critical Current

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

  • microbiological processes can cause chemical transformations of substances that cause biological changes in the goods. This can lead to food spoilage or the like.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

L'invention concerne un procédé pour déterminer, sans contact et sans prélèvement, l'état d'une matière biologique, en particulier d'un aliment, ainsi qu'un dispositif permettant la mise en oeuvre dudit procédé. Selon ledit procédé, un rayonnement d'émission est induit dans le produit à analyser au moyen de faisceaux cohérents puis directement mesuré, les valeurs de mesure étant comparées à une valeur de consigne ou à une valeur seuil. Le dispositif comporte à cet effet une source de rayonnement destinée à émettre des faisceaux cohérents, un détecteur destiné à déterminer les faisceaux d'émission induits et un appareil de commande, cet appareil de commande comportant une micro-unité de calcul prévue pour comparer les faisceaux d'émission déterminés aux valeurs de consigne ou valeurs seuils mises en mémoire.
EP06700487A 2006-01-13 2006-01-13 Procédé et dispositif permettant de déterminer l'état d'une matière biologique, en particulier d'un aliment Withdrawn EP1974208A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT2006/000014 WO2007079508A1 (fr) 2006-01-13 2006-01-13 Procédé et dispositif permettant de déterminer l'état d'une matière biologique, en particulier d'un aliment

Publications (1)

Publication Number Publication Date
EP1974208A1 true EP1974208A1 (fr) 2008-10-01

Family

ID=36604177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06700487A Withdrawn EP1974208A1 (fr) 2006-01-13 2006-01-13 Procédé et dispositif permettant de déterminer l'état d'une matière biologique, en particulier d'un aliment

Country Status (9)

Country Link
US (1) US20110053211A1 (fr)
EP (1) EP1974208A1 (fr)
JP (1) JP2009523231A (fr)
CN (1) CN101395470A (fr)
AU (1) AU2006352467A1 (fr)
BR (1) BRPI0621227A2 (fr)
CA (1) CA2638394A1 (fr)
IL (1) IL192792A0 (fr)
WO (1) WO2007079508A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013083754A1 (fr) * 2011-12-09 2013-06-13 Sietze Sietzema Procédé de détection de bactéries dans le lait
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 (fr) * 2016-02-24 2020-07-22 TOMRA Sorting NV Procédé et appareil pour la détection de la présence de mycotoxines dans des céréales

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802404A (nl) * 1988-09-30 1990-04-17 Meyn Bv Werkwijze en inrichting voor het door middel van doorstraling controleren van voedselprodukten.
US5239180A (en) * 1990-02-02 1993-08-24 Boston Advnaced Technologies, Inc. Laser systems for food analysis based on reflectance ratio detection
US5372030A (en) * 1993-09-15 1994-12-13 The University Of Georgia Research Foundation, Inc. Non-destructive firmness measuring device
WO1998057145A1 (fr) * 1997-06-10 1998-12-17 Quadrivium, L.L.C. Systeme et methode de detection d'un etat biologique
AU2001272276A1 (en) * 2000-07-12 2002-01-21 Northern Photonics 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 (fr) * 2001-03-22 2002-10-03 University Of Utah Procede et appareil optique de determination de l'etat de produits agricoles
US6992771B2 (en) * 2001-11-28 2006-01-31 Battelle Memorial Institute Systems and techniques for detecting the presence of foreign material
JP2004024656A (ja) * 2002-06-27 2004-01-29 Fuji Photo Film Co Ltd 蛍光内視鏡装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007079508A1 *

Also Published As

Publication number Publication date
CN101395470A (zh) 2009-03-25
BRPI0621227A2 (pt) 2011-12-06
JP2009523231A (ja) 2009-06-18
IL192792A0 (en) 2009-02-11
CA2638394A1 (fr) 2007-07-19
WO2007079508A1 (fr) 2007-07-19
AU2006352467A1 (en) 2007-07-19
US20110053211A1 (en) 2011-03-03

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