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Nondestructive Determination of Fat Content in Frozen Skipjack by Near Infrared(NIR) Spectroscopy with Fiber Optics in Interactance Mode.
Bibliographic Information
- Other Title
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- 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
- 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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Description
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.
Journal
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- NIPPON SUISAN GAKKAISHI
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NIPPON SUISAN GAKKAISHI 65 (4), 747-752, 1999
The Japanese Society of Fisheries Science
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Details 詳細情報について
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- CRID
- 1390282681388501632
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- NII Article ID
- 110003144852
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- NII Book ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
- http://id.crossref.org/issn/00215392
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- NDL BIB ID
- 4802137
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
- NDL Search
- Crossref
- NDL Digital Collections (NII-ELS)
- CiNii Articles
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- Abstract License Flag
- Disallowed