Patent US4631413A successfully refreshed from Google Patents.
US4631413A
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Method for quality control of products from fish, cattle, swine and poultry
Assignee: De Forenede Bryggerier AS
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Filing: 1984-06-07
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Granted: 1986-12-23
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Expires: 2004-06-07
Abstract
Abstract A method for quality control of products from fish, meat, cattle, swine and poultry, for instance for controlling a process for treating or handling such products. The product to be subjected to quality control, or a sample thereof, is exposed to electromagnetic radiation within the range of about 325-360 nm, preferably about 340 nm, and any fluorescent radiation emitted by the product as a result of this irradiation, is analyzed for identifying characteristic fluorescence from biological components in the product or a sample thereof, the presence of such biological components determining the quality of the product. The quality control is carried out in dependence upon the analysis result. Analysis carried out in the wavelength range of about 365-490 nm permits identification of characteristic fluorescence from bones, cartilage, connective tissue and/or fat.
Inventors
- 👤 Svend A. K. Jensen
- 👤 Lars Munck
- 👤 Poul Sigsgaard
- 👤 Hans H. Huss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/62; G01N21/63; G01N21/64; G01N21/6486; G01N33/00; G01N33/02; G01N33/12; Y; Y10; Y10S; Y10S250/00; Y10S250/91
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
114 words
A method for quality control of products from fish, meat, cattle, swine and poultry, for instance for controlling a process for treating or handling such products, characterised in that the product to be subjected to quality control, or a sample thereof, is exposed to excitation electromagnetic radiation within the range of about 325-360 nm, preferably about 340 nm, that any fluorescent radiation emitted by the product as a result of this irradiation, is analysed for identifying characteristic fluorescence from biological components in the product or a sample thereof, the presence of such biological components determining the quality of the product, and that said quality control is carried out in dependence upon the analysis result.
Claim 2
Independent Claim
114 words
A method for quality control of products from fish, meat, cattle, swine and poultry, for instance for controlling a process for treating or handling such products, characterised in that the product to be subjected to quality control, or a sample thereof, is exposed to excitation electromagnetic radiation within the range of about 325-360 nm, preferably about 340 nm, that any fluorescent radiation emitted by the product as a result of this irradiation, is analysed for identifying characteristic fluorescence from biological components in the product or a sample thereof, the presence of such biological components determining the quality of the product, and that said quality control is carried out in dependence upon the analysis result.
Claim 3
Dependent Claim
40 words
A method as claimed in claim 1 for quality control of fish products, characterised in that said analysis is carried out with emitted radiation in the wavelength range of about 365-450 nm for identification of characteristic fluorescence from fish bones.
Claim 4
Dependent Claim
22 words
A method as claimed in claim 2, characterised in that the said analysis is carried out with emitted radiation at 390 nm.
Claim 5
Dependent Claim
49 words
A method as claimed in claim 1 for quality control of meat products from cattle, swine and poultry, characterised in that said analysis is carried out with emitted radiation in the wavelength range of about 375-490 nm for identification of characteristic fluorescence from bones, cartilage, connective tissue and/or fat.
Claim 6
Dependent Claim
35 words
A method as claimed in claim 4, characterised in that said analysis is carried out with emitted radiation at 390 nm and/or 455 nm for identification of characteristic fluorescence from bones, cartilage and/or connective tissue.
Claim 7
Dependent Claim
31 words
A method as claimed in claim 4, characterised in that said analysis is carried out with emitted radiation at 390 nm and/or 475 nm for identification of characteristic fluorescence from fat.
Claim 8
Independent Claim
61 words
A method as claimed in any one of claims 4-6, characterised in that said analysis comprises a quantity determination of bones, cartilage, connective tissue taken together and/or of fat and, via these quantity determinations, of meat, said quantity determination being carried out by means of fluorescent image analysis or spectrofluorometry or by means of a photodetector on whole or minced products.
Claim 9
Dependent Claim
45 words
A method as claimed in claim 7, the products to be subjected to quality control being carried on a conveyor past a quality determining instrument, characterised in that the analysis result is used for controlling a device for removing qualitatively unacceptable products from said conveyor.
Claim 10
Independent Claim
65 words
A method for assaying for fish bone in edible fish flesh containing fish bone, said method comprising exposing fish flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 355 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 365 nm to about 450 nm characteristic of fish bone in said flesh.
Claim 11
Independent Claim
65 words
A method for assaying for fish bone in edible fish flesh containing fish bone, said method comprising exposing fish flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 355 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 365 nm to about 450 nm characteristic of fish bone in said flesh.
Claim 12
Dependent Claim
17 words
Method according to claim 9 wherein the excitation electromagnetic radiation has a wavelength of about 340 nm.
Claim 13
Dependent Claim
16 words
Method according to claim 10 wherein the emitted radiation has a wavelength of about 390 nm.
Claim 14
Dependent Claim
11 words
Method according to claim 9 wherein the fish flesh is minced.
Claim 15
Dependent Claim
13 words
Method according to claim 9 wherein the fish flesh is a cod fillet.
Claim 16
Independent Claim
92 words
A method for assaying for non-nutritional components selected from the group consisting of bone, cartilage, connective tissue or fat in edible flesh containing at least one of said components from an animal selected from the group consisting of pig, cow, lamb and chicken, said method comprising: exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 360 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 390 nm or about 455 nm characteristic of said non-nutritional component.
Claim 17
Independent Claim
92 words
A method for assaying for non-nutritional components selected from the group consisting of bone, cartilage, connective tissue or fat in edible flesh containing at least one of said components from an animal selected from the group consisting of pig, cow, lamb and chicken, said method comprising: exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 360 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 390 nm or about 455 nm characteristic of said non-nutritional component.
Claim 18
Dependent Claim
17 words
Method according to claim 14 wherein the excitation electromagnetic radiation has a wavelength of about 340 nm.
Claim 19
Dependent Claim
26 words
Method according to claim 15 wherein the emitted radiation has wavelengths of about 390 nm and about 455 nm and radiation of both wavelengths is detected.
Claim 20
Dependent Claim
10 words
Method according to claim 14 wherein the flesh is minced.
Claim 21
Independent Claim
66 words
A method for assaying for fat in flesh from a pig, cow or chicken containing fat, said method comprising exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 355 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 390 nm or about 475 nm characteristic of fat in said flesh.
Claim 22
Independent Claim
66 words
A method for assaying for fat in flesh from a pig, cow or chicken containing fat, said method comprising exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 355 nm to produce fluorescent radiation from said flesh; and sensing the fluorescent radiation having a wavelength of about 390 nm or about 475 nm characteristic of fat in said flesh.
Claim 23
Dependent Claim
17 words
Method according to claim 18 wherein the excitation electromagnetic radiation has a wavelength of about 340 nm.
Claim 24
Dependent Claim
26 words
Method according to claim 19 wherein the emitted radiation has wavelengths of about 390 nm and about 475 nm and radiation of both wavelengths is detected.
Claim 25
Dependent Claim
10 words
Method according to claim 18 wherein the flesh is minced.
Claim 26
Independent Claim
112 words
A method for assaying edible flesh from an animal selected from the group consisting of pig, cow and chicken, said flesh containing fat and at least one non-nutritional component selected from the group consisting of bone, cartilage and connective tissue, said method comprising exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 360 nm to produce fluorescent radiation from said flesh; sensing the fluorescent radiation having a wavelength of about 390 nm and about 475 nm characteristic of fat in said flesh; and sensing the flourescent radiation having a wavelength of about 390 nm and about 455 nm characteristic of non-nutritional components in said flesh.
Claim 27
Independent Claim
112 words
A method for assaying edible flesh from an animal selected from the group consisting of pig, cow and chicken, said flesh containing fat and at least one non-nutritional component selected from the group consisting of bone, cartilage and connective tissue, said method comprising exposing the flesh to excitation electromagnetic radiation having a wavelength of about 325 nm to about 360 nm to produce fluorescent radiation from said flesh; sensing the fluorescent radiation having a wavelength of about 390 nm and about 475 nm characteristic of fat in said flesh; and sensing the flourescent radiation having a wavelength of about 390 nm and about 455 nm characteristic of non-nutritional components in said flesh.
Claim 28
Dependent Claim
17 words
Method according to claim 22 wherein the excitation electromagnetic radiation has a wavelength of about 340 nm.
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