Kinetics and equilibria of tea infusion, Part 15. Transport of caffeine across a teabag membrane in a modified rotating diffusion cell

Food Chemistry

Volumn 69, Issue 2, 2000, Pages 119-124

  Spiro, Michael ^a   Jaganyi, Deogratius ^a  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CAFFEINE;

ARTICLE; DIFFUSION; HYDRODYNAMICS; MEMBRANE TRANSPORT; ROTATION; SPECTROPHOTOMETRY; TEMPERATURE; THEORY;

EID: 0034194263     PISSN: 03088146     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0308-8146(99)00251-4     Document Type: Article

References (12)

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2. Albery W.J., Hadgraft J. Percutaneous absorption. interfacial transfer kinetics Journal of Pharmacy and Pharmacology. 31:1979;65-68.
3. Cesaro A., Russo E., Crescenzi V. Thermodynamics of caffeine aqueous solutions. Journal of Physical Chemistry. 80:1976;335-339.
4. Opekar F., Beran P. Rotating disk electrodes. Journal of Electroanalytical Chemistry. 69:1976;1-105.
5. Price W.E. Tracer caffeine diffusion in aqueous solutions at 298K. Journal of the Chemical Society, Faraday Transactions I. 85:1989;415-419.
6. Price W.E., Trickett K.A., Harris K.R. Association of caffeine in aqueous solution: effects on caffeine interdiffusion. Journal of the Chemical Society, Faraday Transactions I. 85:1989;3281-3288.
7. Robinson R.A., Stokes R.H. Electrolyte Solutions. 2nd Ed. 1959;Butterworths, London. p. 457.
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9. Spiro M. Factors affecting the rate of infusion of black tea. Schubert R., Spiro M. Chemical and biological properties of tea infusions. 1997;38-62 U&M Publishers, Frankfurt/Main.
10. Spiro M., Jago D.S. Kinetics and equilibria of tea infusion. Part 3. Rotating disc experiments interpreted by a steady-state model. Journal of the Chemical Society, Faraday Transactions I. 78:1982;295-305.
11. Spiro M., Kandiah M. Extraction of ginger rhizome: kinetic studies with acetone. International Journal of Food Science and Technology. 24:1989;589-600.
12. Spiro M., Selwood R.M. The kinetics and mechanism of caffeine infusion from coffee. the effect of particle size Journal of the Science of Food and Agriculture. 35:1984;915-924.