Enzyme des L-Ascorbinsäure-Stoffwechsels

作者: H. Janecke

DOI: 10.1007/978-3-642-48141-3_5

关键词:

摘要: Die L-Ascorbinsaure nimmt eine besondere Stellung im Stoffwechsel der Pflanzenzelle ein. Ihre spezielle Funktion als Wasserstoffubertrager bei Atmungsvorgangen konnte in vivo nachgewiesen werden (z. B. Franke, 1958). Es erfolgt hierbei ihre Umwandlung L-Dehydroascorbinsaure. An keimenden Erbsen wurde gefunden, das System - L-Dehydroascorbinsaure die Endatmung eingeschaltet ist, d. h. den letzten Oxydationsschritt, dem aus Substrat stammende Wasserstoff zu Wasser oxydiert wird (Mapson U. Moustafa, 1956).

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