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Über die Spezifität der «TEE-Methode» zur quantitativen Bestimmung von Ascorbinsäure und Gesamt-Vitamin-C im frischen Pflanzenmaterial

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Summary

The following substances, which occur naturally in plants, do not interfere with the titration of ascorbic acid with 2, 6-dichlorophenolindophenol (DIP): reduced glutathione, cystein, pyrogallole, brenzcatechin, hydrochinone, tannin, glucose and fructose. This is also true for the titration with DIP of high unphysiological concentrations of these substances dissolved in HPO3 solution.

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Author notes

  1. M. M. El-Fouly

    Present address: Unit of Plant Physiology, National Research Center, Cairo-Dokky, U.A.R., Egypt

Authors and Affiliations

  1. Landwirtschaftliche Versuchsstation der BASF, 6703, Limburgerhof, Deutschland

    M. M. El-Fouly

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  1. M. M. El-Fouly
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Ein Teil der vorliegenden Untersuchungen wurde im Rahmen einer grösseren Arbeit2 durchgeführt.

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El-Fouly, M.M. Über die Spezifität der «TEE-Methode» zur quantitativen Bestimmung von Ascorbinsäure und Gesamt-Vitamin-C im frischen Pflanzenmaterial. Experientia 22, 854–855 (1966). https://doi.org/10.1007/BF01897461

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  • DOI: https://doi.org/10.1007/BF01897461

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