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Determination of betaine and choline in feeds by 1H-NMR spectrometry

Bestimmung von Betain und Cholin in Futtermitteln mit Hilfe der 1H-KMR-Spektrometrie

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Zusammenfassung

Betain und Cholin werden gemeinsam mit Hilfe eines sauren Ionenaustauschers isoliert und durch 1H-KMR-Spektrometrie bestimmt, wobei die Signale ihrer Trimethylammoniumgruppen benutzt werden. Die Genauigkeit ist besser als 1,5%.

Summary

Betaine and choline present in feeds are isolated together on an acidic ion-exchange resin and discriminated by 1H-NMR spectrometry. The signals of their trimethylammonium groups are used for their determination with a precision better than 1.5%.

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Authors and Affiliations

  1. Nestlé Products Technical Assistance Co. Ltd., Lausanne, Switzerland

    F. Chastellain & P. Hirsbrunner

Authors
  1. F. Chastellain
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  2. P. Hirsbrunner
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Chastellain, F., Hirsbrunner, P. Determination of betaine and choline in feeds by 1H-NMR spectrometry. Z. Anal. Chem. 278, 207–208 (1976). https://doi.org/10.1007/BF00447584

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  • DOI: https://doi.org/10.1007/BF00447584

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