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EP1210451A1 - Schnellverfahren zum messen komplexer kohlenhydrate in säugergeweben - Google Patents

Schnellverfahren zum messen komplexer kohlenhydrate in säugergeweben

Info

Publication number
EP1210451A1
EP1210451A1 EP00955193A EP00955193A EP1210451A1 EP 1210451 A1 EP1210451 A1 EP 1210451A1 EP 00955193 A EP00955193 A EP 00955193A EP 00955193 A EP00955193 A EP 00955193A EP 1210451 A1 EP1210451 A1 EP 1210451A1
Authority
EP
European Patent Office
Prior art keywords
complex carbohydrates
measuring complex
rapid method
measuring
measurement
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Withdrawn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
EP00955193A
Other languages
English (en)
French (fr)
Other versions
EP1210451A4 (de
Inventor
John West
Alan Leedham Hart
Owen Archibald Young
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.)
AgResearch Ltd
New Zealand Meat Board
Original Assignee
AgResearch Ltd
New Zealand Meat Board
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 AgResearch Ltd, New Zealand Meat Board filed Critical AgResearch Ltd
Publication of EP1210451A1 publication Critical patent/EP1210451A1/de
Publication of EP1210451A4 publication Critical patent/EP1210451A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/34Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/34Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
    • C12Q1/40Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving amylase

Definitions

  • the present invention relates to a rapid method for measuring complex carbohydrates
  • glycogen in mammalian tissue. More particularly the present invention relates
  • glycogen in mammalian tissue.
  • the measurement of glycogen includes, for example, the ability to use the results of
  • glycogen measurement as a determination of the ultimate pH of meat. This in turn is a direct
  • the iodine method The principle of this method is that glycogen will react with a mixture
  • glycogen is extracted from the
  • glycogen which is reacted with the iodine can also be by liquid nitrogen,
  • amyloglucosidase method of Dreiling et al (Meat Science, Vol 20, p. 167) is one
  • a muscle sample is homogenised with
  • Amyloglucosidase is added, converting the glycogen to glucose, for
  • the first part of the method takes approximately 30 minutes at 37°C.
  • the method also utilise mild or non-aggressive reagents.
  • low glycogen levels in the liver of bobby calves are an
  • rapid is used to refer to times of less than
  • said complex carbohydrate is glycogen.
  • solvent is water.
  • said solvent may include at least one agent intended to
  • steps (b) and (c) are performed simultaneously.
  • steps (c) and (d) are performed simultaneously.
  • the hydrolysing enzyme may be any enzyme, or combination of enzymes,
  • hydrolysing enzyme is selected from the group: amyloglucosidase; -amylase;
  • ⁇ -glucosidase ⁇ -glucosidase
  • step (c) measuring complex carbohydrates in mammalian tissue, substantially as described above, wherein the amyloglucosidase added in step (c) is in a form selected from: a powder; a liquid
  • said method further includes a step (e): measuring the
  • steps (d) and (e) are performed simultaneously.
  • steps (c), (d) and (e) are performed simultaneously.
  • the method is conducted at approximately room temperature, although it is not
  • concentration of glucose is achieved by the construction of sensors incorporating said
  • hydrolysing enzyme and glucose oxidase hydrolysing enzyme and glucose oxidase.
  • lactate as catalysed by lactate oxidase.
  • This latter compound can be incorporated into any combination
  • Figure 1 is a graph of glucose concentration and glucometer reading of a glucose
  • Figure 2 is a graph of the glucometer reading for glucose and concentration of glucose added to meat slurry samples
  • Figure 3 is a graph of the kinetics of glucose formation from glycogen in acetate buffer
  • Figure 4 is a graph of glucometer readings and the concentration of glucose added to
  • Figure 5 is a graph of glucose value and glycogen added to a post rigor meat slurry, at
  • Figure 6 is a graph of muscle glycogen concentration in post slaughter samples, using
  • Figure 7 is a graph showing the kinetics of glycogen loss, pH fall and lactate increase
  • Figure 8 is a graph of the repeatability of glycogen determination by the method of the
  • solution can be obtained by the use of 25 mg of powder, dissolved in 5 ml of 0.2M sodium acetate at a pH of 4.5. ⁇ -D-Glucose of a standard analytical grade was used.
  • Glucose measurement was made with an Esprit glucometer (Bayer). Test sensors used in the
  • Esprit were from Bayer New Zealand Limited. These were used for one reading only then
  • the meat samples tested were obtained from the longissimus lumborum muscle of a beef
  • test medium for all experiments was 0.2M sodium acetate buffer at a pH of 4.4 and at
  • Polytron shearing head This was usually set at 25,000 ⁇ m. Alternatively a lower speed
  • the homogeniser may be used, if so desired.
  • the homogeniser may be a stainless steel paddle ⁇
  • lactate concentration was also measured. At various times after
  • amyloglucosidase was centrifuged in a micro-centrifuge (at 10, 000 ⁇ m for 30 seconds).
  • the density of meat is about 1 g/ml.
  • Example 1 The method of Example 1 was repeated over a range of samples and concentrations in which
  • glycogen between 0 - 14 mg were added to 5 ml of acetate buffer and
  • Meat samples ranged from between 0.97 - 1.07 g in six tests. The results are as
  • gluteus maxims muscle sample contained 13.1 mg/g at 2.3 hours post slaughter
  • This muscle is frequently used as an indicator of high pH condition. Lactate concentrations were also measured.
  • NADH-linked method rather than the use of a sensor based on lactate oxidase.
  • glycogen were added to three replicate rigor meat samples weighing 1.0 +/- 0.05 g.
  • tissue samples may be equally treated in like manner to produce glycogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biophysics (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
EP00955193A 1999-08-17 2000-08-17 Schnellverfahren zum messen komplexer kohlenhydrate in säugergeweben Withdrawn EP1210451A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ33727699 1999-08-17
NZ33727699 1999-08-17
PCT/NZ2000/000159 WO2001012844A1 (en) 1999-08-17 2000-08-17 Rapid method for measuring complex carbohydrates in mammalian tissue

Publications (2)

Publication Number Publication Date
EP1210451A1 true EP1210451A1 (de) 2002-06-05
EP1210451A4 EP1210451A4 (de) 2004-08-25

Family

ID=19927450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00955193A Withdrawn EP1210451A4 (de) 1999-08-17 2000-08-17 Schnellverfahren zum messen komplexer kohlenhydrate in säugergeweben

Country Status (6)

Country Link
EP (1) EP1210451A4 (de)
AR (1) AR025303A1 (de)
AU (1) AU779415C (de)
BR (1) BR0013395A (de)
CA (1) CA2382155A1 (de)
WO (1) WO2001012844A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0218868D0 (en) 2002-08-14 2002-09-25 Nasir Muhammed A Improved airway management device
GB2521375C (en) 2013-12-17 2021-09-29 Aslam Nasir Muhammed Intubating Airway Device
USD842456S1 (en) 2015-12-15 2019-03-05 Intersurgical Ag Airway device
USD1051359S1 (en) 2015-06-15 2024-11-12 Intersurgical Ag Airway device
GB201720733D0 (en) 2017-12-13 2018-01-24 Ashkal Development Ltd Airway device
USD1025348S1 (en) 2020-04-16 2024-04-30 Intersurgical Ag Airway device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086108A2 (de) * 1982-02-08 1983-08-17 Children's Hospital Medical Center Verfahren zur Milchsäuremessung in einer Flüssigkeit
US5262305A (en) * 1991-03-04 1993-11-16 E. Heller & Company Interferant eliminating biosensors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086108A2 (de) * 1982-02-08 1983-08-17 Children's Hospital Medical Center Verfahren zur Milchsäuremessung in einer Flüssigkeit
US5262305A (en) * 1991-03-04 1993-11-16 E. Heller & Company Interferant eliminating biosensors

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BURTON SHELLEY A ET AL: "Evaluation of a glucose oxidase/peroxidase method for indirect measurement of glycogen content in marine mussels (Mytilus edulis)" JOURNAL OF SHELLFISH RESEARCH, vol. 16, no. 2, December 1997 (1997-12), pages 435-439, XP001182147 ISSN: 0730-8000 *
BURTON SHELLEY A ET AL: "Evaluation of a glucose oxidase/peroxidase method for indirect measurement of glycogen content in oysters (Crassostrea virginica)" JOURNAL OF SHELLFISH RESEARCH, vol. 19, no. 2, December 2000 (2000-12), pages 841-844, XP001181700 ISSN: 0730-8000 *
CARR R S ET AL: "Quantitative semi-automated enzymatic assay for tissue glycogen." COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. B, COMPARATIVE BIOCHEMISTRY. ENGLAND 1984, vol. 77, no. 3, 1984, pages 447-449, XP002286075 ISSN: 0305-0491 *
See also references of WO0112844A1 *
VOET AND VOET: "Biochemie" 1992 , VCH , WEINHEIM XP002286178 * page 480, column 1, paragraph 1 * *

Also Published As

Publication number Publication date
WO2001012844A1 (en) 2001-02-22
AU6742500A (en) 2001-03-13
BR0013395A (pt) 2002-07-09
CA2382155A1 (en) 2001-02-22
EP1210451A4 (de) 2004-08-25
AR025303A1 (es) 2002-11-20
AU779415B2 (en) 2005-01-20
AU779415C (en) 2006-02-09

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