書誌事項
- タイトル別名
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- Determination of Bromide, Nitrate, Phosphate, and Sulfate in Water Extract of Wakame (<i>Undaria pinnatifida</i>) Using Ion Chromatography
- アナリティカルレポート イオンクロマトグラフィー ニ ヨル ワカメ チュウシュツ スイチュウ ノ シュウカブツ,ショウサン,リンサン,リュウサン イオン ノ テイリョウ
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抄録
Inorganic anions, such as bromide, nitrate, phosphate, and sulfate in wakame (Undaria pinnatifida), were determined using ion chromatography (IC). Dried wakame samples were prepared by drying and powdering boiled and salted wakame, whose production districts were clear. The above inorganic anions in the samples were extracted into pure water using ultrasonic extraction prior to IC analysis. Linear discriminant functions were obtained using the PO43−-P and SO42−-S results. The misclassification rates of identification were 5.56 and 6.67% for the boiled and salted wakame produced in the Sanriku area and those in China, respectively ; the misclassification rates were 0 and 0% for the wakame produced in the Naruto area and those in China, respectively. Inorganic anions in dried wakame available in the market were similarly determined. The discriminant functions were applied to the analytical results after the SO42−-S results were corrected using the average concentration ratio for SO42−-S between the boild and salted wakame and dried wakame purchased in the market. The misclassification rates of identification were 25.0 and 35.7% for the purchased wakame produced in the Sanriku area and those in China, respectively ; the misclassification rates were 12.5 and 35.7% for the purchased wakame produced in the Naruto area and those in China, respectively. The proposed procedure could be useful as a simple screening method to identify wakame production districts.
収録刊行物
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- 分析化学
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分析化学 61 (10), 869-875, 2012
公益社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204660177664
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- NII論文ID
- 130001886964
- 10030877558
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- NII書誌ID
- AN00222633
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- COI
- 1:CAS:528:DC%2BC38Xhs1ekt77O
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- HANDLE
- 20.500.14094/90002790
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- NDL書誌ID
- 024036075
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- ISSN
- 05251931
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
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- 抄録ライセンスフラグ
- 使用不可