インタラクタンス方式の光ファイバーを用いた近赤外分光法による冷凍カツオ粗脂肪量の非破壊測定
書誌事項
- タイトル別名
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- Nondestructive Determination of Fat Content in Frozen Skipjack by Near Infrared(NIR) Spectroscopy with Fiber Optics in Interactance Mode.
- インタラクタンス ホウシキ ノ ヒカリ ファイバー オ モチイタ キンセキガイ ブンコウホウ ニ ヨル レイトウ カツオ ソシボウリョウ ノ ヒハカイ ソクテイ
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説明
Nondestractive determination of fat content in frozen skipjack by near infrared (NIR) spectroscopy with fiber optics using the interactance method (400-1100nm) was investigated. As a result of multiple linear regression based on actual fat (range 1-55%) and second derivative value of the absorbance (d2 log (1/R)), good results could be obtained when fat content analyzed using flesh from skin surface to 5mm depth of skipjack was used as a chemical value. The highest multiple correlation coefficient of 0.91 with a standard error of calibration (SEC) of 5.8% was obtained in case of calibration equation with four optical terms including 926nm as the first wavelength. The standard error of prediction (SEP) was 6.4% with a bias of -0.1%. This prediction accuracy was affected by thawing process, because spectrum was changed by melting of ice into water on the skin of fish. However, the fat measuring system mentioned above is still useful for a frozen skipjack.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 65 (4), 747-752, 1999
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390282681388501632
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- NII論文ID
- 110003144852
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
- http://id.crossref.org/issn/00215392
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- NDL書誌ID
- 4802137
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- 本文言語コード
- ja
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- IRDB
- NDLサーチ
- Crossref
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