書誌事項
- タイトル別名
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- Simultaneous Determination of Theobromine, Theophylline and Caffeine in Foods by High Performance Liquid Chromatography
- コウソク エキタイ クロマトグラフィー ニ ヨル ショクヒンチュウ ノ テオブ
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説明
A method for the simultaneous determination of theobromine, theophylline and caffeine in several kinds of foods is described.<br>The chromatographic separation of the three compounds was achieved on FLC-ODS employing water-acetonitrile (150:10) as the mobile phase. The methylxanthines in tea and coffee were extracted with water and in turn the aqueous layer was extracted with chloroform. Clean-up of these compounds in cocoa and chocolate was efficiently attained by extracting them with water in the presence of carbon tetrachloride.<br>The recovery rates of standard samples added to foods were 88-96%.
収録刊行物
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- 食品衛生学雑誌
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食品衛生学雑誌 26 (2), 208-212_1, 1985
公益社団法人 日本食品衛生学会
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詳細情報 詳細情報について
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- CRID
- 1390282679201771136
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- NII論文ID
- 130003692554
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- NII書誌ID
- AN00117741
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- ISSN
- 18821006
- 00156426
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- NDL書誌ID
- 3037124
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