アルカロイド類の過塩素酸ナトリウムを用いるイオン対抽出及びイオン対高速液体クロマトグラフィーによる迅速分取法(<特集>:分離(その1))(抽出・吸着分離)

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タイトル別名
  • The acquisition of alkaloids from plant materials by a combination of ion-pair extraction and preparative ion-pair HPLC using sodium perchlorate.
  • アルカロイド類の過塩素酸ナトリウムを用いるイオン対抽出及びイオン対高速液体クロマトグラフィーによる迅速分取法
  • アルカロイドルイ ノ カエンソサン ナトリウム オ モチイル イオンツイ チュ

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Quaternary alkaloids form an ion-pair with the perchlorate anion, which is quantitatively extractable from aqueous soltions to 1, 2-dichloroethane under acidic conditions. Many tertiary alkaloids are also extractable, though the extractability is not always high. The crude alkaloidal fraction obtained by ion-pair extraction is separated by means of ion-pair HPLC, in which perchlorate is again utilized as an ion-pair reagent. The ion-pair HPLC system containing perchlorate gives excellent separability that is comparable to conventional ion-pair systems containing alkylsulfonate or dodecyl sulfate; furtheremore, the acquisition of alkaloids is easy under the solvent system: From the fraction obtained by preparative HPLC, the organic solvent is evaporated off, and from the residual aqueous phase containing sodium perchlorate alkaloids were extracted with 1, 2 dichloroethane. The evaporation of 1, 2-dichloroethane yields pure perchlorate of the alkaloid. A few applications to several medicinal plants were performed, and from the stem of Sinomenium acutum main alkaloids, sinomenine and magnoflorine, were obtained as pure perchlorates.

収録刊行物

  • 分析化学

    分析化学 42 (11), 659-665, 1993

    公益社団法人 日本分析化学会

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