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3. Preliminary Note on the Chemistry of Strophanthin

Published online by Cambridge University Press:  15 September 2014

Thomas R. Fraser
Thomas R. Fraser
Affiliation:
Professor of Materia Medica in the University of Edinburgh
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Extract

Since my former communications, in which several facts relating to the chemistry of Strophanthus kispidus have been stated, I have completed a systematic examination of various parts of this plant, and more particularly of the seeds. Eeserving a detailed descrip tion of the results of this examination, I propose now to mention only a few of these results in a brief form.

Type
Proceedings 1886-87
Information
Proceedings of the Royal Society of Edinburgh , Volume 14 , 1888 , pp. 370 - 374
Copyright
Copyright © Royal Society of Edinburgh 1888

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References

* Since this paper was communicated, I have found that the blue colour may be almost instantaneously produced by adding an alkali, such as solution of potash, after the addition of the phospho-molybdic acid.

note*page 373 In the solution obtained by this decomposition, the exact estimation of glucose by Fehling's solution is rendered difficult and uncertain by a green colour being produced, which persists after the blue colour of Fehling's solution has disappeared.