These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
4. High pressure liquid chromatographic determination of theobromine and caffeine in cocoa and chocolate products. Kreiser WR, Martin RA. J Assoc Off Anal Chem; 1978 Nov; 61(6):1424-7. PubMed ID: 730647 [Abstract] [Full Text] [Related]
8. [Separation of caffeine, theophylline and theobromine with assistance from high pressure liquid chromatography]. Wildanger W. J Chromatogr; 1975 Nov 26; 114(2):480-2. PubMed ID: 1202052 [No Abstract] [Full Text] [Related]
11. Determination of caffeine, theophylline and theobromine in serum and saliva using high-performance liquid chromatography. Scott NR, Chakraborty J, Marks V. Ann Clin Biochem; 1984 Mar 26; 21 ( Pt 2)():120-4. PubMed ID: 6712142 [Abstract] [Full Text] [Related]
12. Highly sensitive and rapid determination of theophylline, theobromine and caffeine in human plasma and urine by gradient capillary high-performance liquid chromatography-frit-fast atom bombardment mass spectrometry. Hieda Y, Kashimura S, Hara K, Kageura M. J Chromatogr B Biomed Appl; 1995 May 19; 667(2):241-6. PubMed ID: 7663696 [Abstract] [Full Text] [Related]
13. Simple method for the determination of alkaloids in cocoa using paper chromatography and UV spectrometry. Sjöberg AM, Rajama J. J Chromatogr; 1984 Jul 06; 295(1):291-4. PubMed ID: 6470088 [No Abstract] [Full Text] [Related]