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Caffeine as a hypertensive reagent

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Title: Caffeine as a hypertensive reagent
Author: Crichlow, Eugene Chinloy
Degree: Master of Science - MSc
Program: Biology
Copyright Date: 1960-04
Subject Keywords Caffeine - Physiological effect.
Issue Date: 2012-01-12
Publisher University of British Columbia
Series/Report no. UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]
Abstract: Caffeine has been shown to induce a transient hypertensive state in Wistar rats. The height to which the blood pressure rises in this caffeine-induced hypertension, and the duration of this hypertensive state was found to be dependent on the concentration of caffeine administered. Caffeine exposed to negatively ionized air was shown to undergo a loss in its pressor activity. This loss in pressor activity was found to be greater when the caffeine was exposed in solution than when it was exposed in the crystalline state. Once the blood pressures of Wistar rats were elevated with injections of caffeine and had again returned to normal levels there were no further rises in blood pressures with the administration of an equal number of injections of this drug.
Affiliation: Science, Faculty of
URI: http://hdl.handle.net/2429/40052
Scholarly Level: Graduate

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