JP2019510968A - 穀物におけるマイコトキシンの存在の検出のための方法及び装置 - Google Patents
穀物におけるマイコトキシンの存在の検出のための方法及び装置 Download PDFInfo
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- G—PHYSICS
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- G—PHYSICS
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
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Abstract
Description
穀物粒の収集物の少なくとも1つの散光吸収スペクトルを捕捉するステップと、
穀物粒の収集物から少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉するステップと、
穀物粒の収集物の少なくとも1つの散光吸収スペクトル及び少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルに対して多変量データ分析を実施することによって少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するステップとを含む。
穀物粒の収集物の少なくとも1つの散光吸収スペクトルを捕捉するための手段と、
穀物粒の収集物から少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉するための手段と、
穀物粒の収集物の少なくとも1つの散光吸収スペクトル及び少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルに対して多変量データ分析を実施することによって少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するための手段とを備える、装置をさらに提供する。
反射率(λ)=(Icereal (λ)−Idark (λ))/(Ireference (λ)−Idark (λ)) (1)
Claims (15)
- 穀物におけるマイコトキシンの存在を検出するための方法であって、
穀物粒の収集物の少なくとも1つの散光吸収スペクトルを捕捉するステップと、
穀物粒の前記収集物から少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉するステップと、
穀物粒の前記収集物の前記少なくとも1つの散光吸収スペクトル及び前記少なくとも1つの個々の穀物粒の前記少なくとも1つの散光吸収スペクトルに対して多変量データ分析を実施することによって少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するステップとを含む、方法。 - 各散光吸収スペクトルが、積分球を使用して捕捉される、請求項1に記載の方法。
- 個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉する前記ステップが、前記穀物粒の複数の領域に光を照射することによって複数の散光吸収スペクトルを捕捉するステップを含む、請求項1から2までのいずれか一項に記載の方法。
- 少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類する前記ステップが、第1の選択された波長における反射率と第2の選択された波長における反射率との比率を計算するステップと、前記計算された比率に基づいて少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するステップとを含む、請求項1から3までのいずれか一項に記載の方法。
- 前記選択された波長が、700nm〜1500nmの波長領域にある、請求項4に記載の方法。
- 少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類する前記ステップが、ケモメトリックス技法を使用する、請求項1から3までのいずれか一項に記載の方法。
- 少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類する前記ステップが、少なくとも1つの捕捉されたスペクトルを非汚染粒のスペクトルと比較するステップと、前記スペクトル間の差を同定するステップとを含む、請求項1から3までのいずれか一項に記載の方法。
- 非汚染粒の前記スペクトルを粒スペクトルのデータベースから取得するステップをさらに含む、請求項7に記載の方法。
- 少なくとも1つの捕捉されたスペクトルを前記データベース内の複数の試料スペクトルと比較して最良適合を見つけることによって穀物粒の前記収集物の穀物の種類を同定するステップをさらに含む、請求項8に記載の方法。
- 複数の散光吸収スペクトルが捕捉された場合、穀物粒の収集物の平均散光吸収スペクトルを計算するステップをさらに含み、少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するステップが、平均スペクトルに対して多変量データ分析を実施するステップを含む、請求項1から9までのいずれか一項に記載の方法。
- 前記穀物粒の複数の散光吸収スペクトルが捕捉された場合、少なくとも1つの穀物粒の平均散光吸収スペクトルを計算するステップをさらに含み、少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類する前記ステップが、平均スペクトルに対して多変量データ分析を実施するステップを含む、請求項1から9までのいずれか一項に記載の方法。
- 穀物におけるマイコトキシンの存在を検出するための装置であって、
穀物粒の収集物の少なくとも1つの散光吸収スペクトルを捕捉するための手段(2、4、5)と、
穀物粒の前記収集物から少なくとも1つの個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉するための手段(7、10、11)と、
穀物粒の前記収集物の前記少なくとも1つの散光吸収スペクトル及び前記少なくとも1つの個々の穀物粒の前記少なくとも1つの散光吸収スペクトルに対して多変量データ分析を実施することによって少なくとも1つの穀物粒におけるマイコトキシン汚染のレベルを分類するための手段とを備える、装置。 - 散光吸収スペクトルを捕捉するための各手段が、積分球を備える、請求項12に記載の装置。
- 前記個々の穀物粒の少なくとも1つの散光吸収スペクトルを捕捉するための前記手段が、穀物粒の前記収集物の各散光吸収スペクトルを捕捉するのに使用される積分球よりも小さい積分球(7)を備える、請求項12又は13に記載の装置。
- プロセッサによって実行されたとき、プロセッサに請求項1から11までのいずれか一項に記載の方法を実施させるプログラム命令を含むコンピュータ可読媒体。
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EP16157206.0A EP3211400B1 (en) | 2016-02-24 | 2016-02-24 | A method and apparatus for the detection of the presence of mycotoxins in cereals |
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PCT/EP2017/054227 WO2017144608A1 (en) | 2016-02-24 | 2017-02-23 | A method and apparatus for the detection of the presence of mycotoxins in cereals |
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