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Microchemical investigation of medicinal plants. VI

Estimation of reserpine and rescinnamine inRauwolfia

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Summary

A procedure is described for determining the total contents of reserpine and rescinnamine inRauwolfia. It is based on the yellowish-green color produced by both alkaloids on treatment with sodium nitrite and sulfuric acid. Spectral studies have established the identity of the colored species which exhibit maximum absorption at 385 nm. The latter is not produced by deserpidine.

Zusammenfassung

Ein Verfahren zur Bestimmung des Gesamtgehaltes an Reserpin und Rescinnamin inRauwolfia wurde beschrieben. Es beruht auf der gelbgrünen Farbreaktion beider Alkaloide mit Natriumnitrit und Schwefelsäure. Spektrophotometrische Untersuchungen ergaben die Identität beider gefärbter Reaktionsprodukte, deren Absorptionsmaximum bei 385 nm liegt. Letzteres ist bei Deserpidin nicht feststellbar.

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For Part V see Mikrochim. Acta [Wien]1969, 225. Inquiries and requests for reprints of this series of papers should be addressed to Prof.T. S. Ma, Department of Chemistry, City University of New York, Brooklyn, N. Y. 11210, U. S. A.

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McGahren, W.J., Chuntragool, S., Trunphong, P. et al. Microchemical investigation of medicinal plants. VI. Mikrochim Acta 57, 1100–1106 (1969). https://doi.org/10.1007/BF01219255

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  • DOI: https://doi.org/10.1007/BF01219255

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