生体試料中胆汁酸の固相抽出法の検討

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タイトル別名
  • Studies on Solid Phase Extraction of Bile Acids from Biological Matrix
  • セイタイ シリョウチュウ タンジュウサン ノ コソウ チュウシュツホウ ノ ケ

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説明

To quantify bile acids in biological samples, a solid phase extraction method was examined. This method is known as simpler procedures with less contamination compared with solvent extraction methods. Rat bile, feces and urine were used as biological samples. Since Bond Elut C18 and C8 were proved to be more suitable than the other phases (CH and SAX) so far examined using standard bile acids, Bond Elut C18 was used for biological samples. Quantification of biological sample was carried out by gas chromatography after the extracted sample was derivatized to methyl ester by treatment with trimethylsilyldiazomethane then to trifluoroacetyl ester by trifluoroacetic anhydride. On the gas chromatography, two columns (Rtx-50 and Rtx-200) were connected to the injector with Y-tube for elimination of interference. Except for a few bile acids, high recovery with less biological contamination was obtained by this solid phase extraction method.

収録刊行物

  • 薬学雑誌

    薬学雑誌 116 (1), 39-49, 1996

    公益社団法人 日本薬学会

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