JP2016032434A - 脂肪交雑値の推定方法 - Google Patents
脂肪交雑値の推定方法 Download PDFInfo
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Abstract
【解決手段】生体牛の第10〜11胸椎部の胸最長筋に所定の周波数で交番電流を通電して、同第10〜11胸椎部の胸最長筋における生体電気インピーダンス値の測定を行う工程と、等価回路モデルに基いて、前記生体電気インピーダンス値から細胞内抵抗値を算出する工程と、細胞内抵抗値−脂肪交雑値相関式に前記細胞内抵抗値を代入し、第6〜7肋骨切開面胸最長筋における推定脂肪交雑値を算出する工程と、を有することとした。
【選択図】図4
Description
(2)前記生体電気インピーダンス値の測定は、所定の周波数で交番電流を供給する電流供給装置に接続された一対の電流通電電極と、電圧計に接続された一対の電圧測定電極とを生体牛の第10〜11胸椎部の胸最長筋に穿刺して4電極法により行うこと。
(3)前記等価回路モデルは、Haydenの電気的等価回路モデルであること。
(4)前記所定の周波数は、10k〜100kHzであること。
(5)前記細胞内抵抗値−脂肪交雑値相関式は、下記式(I)で示されること。
まず、脂肪交雑値の推定を行うにあたり、第10〜11胸椎部の胸最長筋の等価回路モデルとしてのHaydenの電気的等価回路モデルを構成する抵抗やキャパシタ等の要素のうち、いずれの要素の値が最も脂肪交雑値と相関が高いかについて検討を行った。
次に、上述の図4(b)に示した結果より得られた下記式( I )を細胞内抵抗値−脂肪交雑値相関式として、脂肪交雑値の推定を行った。
11 電流供給装置
15 電流通電電極
16 電圧測定電極
17 インピーダンス値算出部
18 表示部
20 生体牛
23 胸最長筋
30 電極針
Claims (6)
- 第6〜7胸椎部における胸最長筋を侵襲することなく、生体牛の第6〜7肋骨切開面胸最長筋における脂肪交雑値を推定する方法であって、
生体牛の第10〜11胸椎部の胸最長筋に所定の周波数で交番電流を通電して、同第10〜11胸椎部の胸最長筋における生体電気インピーダンス値の測定を行うインピーダンス測定工程と、
等価回路モデルに基いて、前記インピーダンス測定工程にて得られた前記生体電気インピーダンス値から細胞内抵抗値を算出する細胞内抵抗算出工程と、
細胞内抵抗値−脂肪交雑値相関式に前記細胞内抵抗算出工程にて得られた細胞内抵抗値を代入し、第6〜7肋骨切開面胸最長筋における推定脂肪交雑値を算出する脂肪交雑値推定工程と、
を有することを特徴とする脂肪交雑値の推定方法。 - 前記生体電気インピーダンス値の測定は、所定の周波数で交番電流を供給する電流供給装置に接続された一対の電流通電電極と、電圧計に接続された一対の電圧測定電極とを生体牛の第10〜11胸椎部の胸最長筋に穿刺して4電極法により行うことを特徴とする請求項1に記載の脂肪交雑値の推定方法。
- 前記等価回路モデルは、Haydenの電気的等価回路モデルであることを特徴とする請求項1又は請求項2に記載の脂肪交雑値の推定方法。
- 前記所定の周波数は、10k〜100kHzであることを特徴とする請求項1〜3いずれか1項に記載の脂肪交雑値の推定方法。
- 前記細胞内抵抗値は、前記第10〜11胸椎部の胸最長筋における単位断面積あたりの細胞内抵抗値であることを特徴とする請求項1〜5いずれか1項に記載の脂肪交雑値の推定方法。
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CN112220472A (zh) * | 2020-09-25 | 2021-01-15 | 重庆大学 | 基于交叉四电极法的胸腔电阻抗无创检测方法 |
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JP2001264249A (ja) * | 2000-03-16 | 2001-09-26 | Kochi Prefecture | 近赤外分光分析による肉質推定方法とその応用 |
JP2002085364A (ja) * | 2000-09-19 | 2002-03-26 | Art Heaven Nine:Kk | 生体電気インピーダンス計測方法及び計測装置、並びに該計測装置を用いた健康指針管理アドバイス装置 |
JP2002253523A (ja) * | 2001-03-02 | 2002-09-10 | Ishida Co Ltd | 家畜管理システムおよび家畜用生体インピーダンス測定器具 |
JP2004257880A (ja) * | 2003-02-26 | 2004-09-16 | Natl Inst Of Radiological Sciences | 食肉用家畜の肉質の生体検査方法および装置 |
JP2008054817A (ja) * | 2006-08-30 | 2008-03-13 | Nagasaki Prefecture | 超音波診断装置を用いた家畜の生体時肉判定法 |
WO2011075769A1 (en) * | 2009-12-21 | 2011-06-30 | Impedimed Limited | Analysing impedance measurements |
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JP2001264249A (ja) * | 2000-03-16 | 2001-09-26 | Kochi Prefecture | 近赤外分光分析による肉質推定方法とその応用 |
JP2002085364A (ja) * | 2000-09-19 | 2002-03-26 | Art Heaven Nine:Kk | 生体電気インピーダンス計測方法及び計測装置、並びに該計測装置を用いた健康指針管理アドバイス装置 |
JP2002253523A (ja) * | 2001-03-02 | 2002-09-10 | Ishida Co Ltd | 家畜管理システムおよび家畜用生体インピーダンス測定器具 |
JP2004257880A (ja) * | 2003-02-26 | 2004-09-16 | Natl Inst Of Radiological Sciences | 食肉用家畜の肉質の生体検査方法および装置 |
JP2008054817A (ja) * | 2006-08-30 | 2008-03-13 | Nagasaki Prefecture | 超音波診断装置を用いた家畜の生体時肉判定法 |
WO2011075769A1 (en) * | 2009-12-21 | 2011-06-30 | Impedimed Limited | Analysing impedance measurements |
JP2013514845A (ja) * | 2009-12-21 | 2013-05-02 | インぺディメッド リミテッド | インピーダンス測定値の分析 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112220472A (zh) * | 2020-09-25 | 2021-01-15 | 重庆大学 | 基于交叉四电极法的胸腔电阻抗无创检测方法 |
CN112220472B (zh) * | 2020-09-25 | 2023-09-15 | 重庆大学 | 基于交叉四电极法的胸腔电阻抗无创检测方法 |
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