Titlebook: Caffeine; Perspectives from Re P. B. Dews Book 1984 Springer-Verlag Berlin Heidelberg 1984 Coffein.Serotonin.Xanthin.absorption.biology.can

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Measurement of Caffeine and Its Metabolites in Biological Fluidsarly in this century, the analysis of caffeine depended on its purification and a classical approach to chemical identification (Salant and Rieger 1912). Subsequently, ultraviolet spectrophotometry was introduced in the 1940s (Ishler et al. 1948; Fisher et al. 1949), paper chromatography in the 1950

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Interspecies Comparison of Caffeine Disposition et al. 1983; Bonati et al. 1982 a), caffeine is rapidly and completely absorbed from the gastrointestinal tract after oral administration (Axelrod and Reichenthal 1953; Bonati et al. 1982 b, Blanchard and Sawers 1983 a). In animals and man no significant first-pass effect occurs after oral caffeine

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Human Consumption of Caffeinelithic period. The widespread natural occurrence of caffeine in a variety of plants undoubtedly played a major role in the long-standing popularity of caffeine-containing products, especially beverages. More than 60 plant species throughout the world have been identified as containing caffeine. Caff

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Effects of Caffeine on Monoamine Neurotransmitters in the Central and Peripheral Nervous Systemomic physiologists to explore for effects of this and related methylxanthines on the formation and release of neurotransmitters. Probably because of the availability of techniques and observed autonomic effects, most early studies focused on the catecholamines, and to a lesser extent on serotonin. I

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