Study of extraction and HPTLC - UV method for estimation of caffeine in marketed tea ( Camellia sinensis ) granules

International Journal of Green Pharmacy

Volumn 3, Issue 1, 2009, Pages 47-51

  Misra, H ^a,b   Mehta, D ^a   Mehta, B K ^a   Soni, M ^c   Jain, D C ^a,b  

^a VIKRAM UNIVERSITY   (India)

^b Ipca Laboratories Limited   (India)

^c Mandsaur Institute of Pharmacy   (India)

Author keywords

Caffeine* Camellia sinensis; HPTLC UV method; Tea granules; Theaceae

Indexed keywords

CAFFEINE;

ACCURACY; ANALYTIC METHOD; ARTICLE; EXTRACTION; HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHY; NONHUMAN; QUANTITATIVE ANALYSIS; SCREENING; SENSITIVITY AND SPECIFICITY; TEA; ULTRAVIOLET SPECTROSCOPY; VALIDATION PROCESS;

EID: 70449617665     PISSN: 09738258     EISSN: 19984103     Source Type: Journal    
DOI: 10.4103/0973-8258.49374     Document Type: Article

References (18)

1. Caffeine and its modulating effects: Draft review of toxicological literature. Available from http://ntp.niehs.nih.gov/ntp/htdocs/ Chem-Background/ExSumPdf/Caffeine.pdf. [last cited on 2007 Aug 8].
2. Frei B, Higdon JV. Antioxidant activity of tea polyphenols in vivo: Evidence from animal studies. J Nutrition 2003;133:3275S-84S.
3. Yen GC, Chen HY. Antioxidant activity of various tea extracts in relation to their antimutagenicity. J Agric Food Chem 1995; 43:27-32.
4. Maeta K, Nomura W, Takatsume Y, Izawa S, Inoue Y. Green tea polyphenols function as prooxidants to activate oxidativestress-responsive transcription factors in yeasts. Appl Environ Microbiol 2007;73:572-80.
5. Kuriyama S, Shimazu T, Ohmori K, Kikuchi N, Nakaya N, Nishino Y, Tsubono Y, Tsuji I. Green tea consumption and mortality due to cardiovascular disease, cancer, and all causes in Japan: the Ohsaki study. JAMA 2006;296:1255-65.
6. Larsson SC, Wolk A. Tea consumption and ovarian cancer risk in a population-based cohort. Arch Internal Med 2005;165:2683-6.
7. Fadhee ZA, Amran S. Effects of black tea extract on carbon tetrachloride-induced lipid peroxidation in liver, kidneys, and testes of rats. Phytother Res 2002;16:28-32.
8. Keene AT, Anderson LA, Phillipson JD. Investigation of Cinchona leaf alkaloids by high-performance liquid chromatography. J Chromatogr 1983;260:123-8.
9. McCalley DV. Analysis of Cinchona alkaloids by highperformance liquid chromatography. J Chromatogr 1983;260: 184-8.
10. Baltes W, Petersen H, Degner C. Die remissionsspektralphotometrische Bestimmung Von Trigonellinund Coffein in Kaffee. Z. Lebensm. Unters.- Frosch. 1973;152:145-6.
11. Abourashed EA, Mossa JS. HPTLC determination of caffeine in stimulant herbal products and power drinks. J Pharm biomed anal 2004;36:617-20.
12. Sherma J, Beim M. Determination of caffeine in APC tablets by densitometry on chemically bonded C18 reversed phase thin layers. J High Resol Chromatogr 1978;1:309-10.
13. Reijienga JC, Aben GV, Lemmens AA, Verheggen TP, de Bruijn CH, Everaerts FM. J Chromatogr 1985;320:245-52.
14. Dogan HN. Simultaneous spectrophotometric determination of dipyrone and caffeine in pharmaceutical formulations. Indian J Pharm Sci 1995;57:224-6.
15. nd ed. Wiley-VCH Verlag GmbH and Co. KgaA, Weinheim; 2007. p. 4-6.
16. rd ed. New York: Marcel Dekker; 2003. p. 52-6.
17. Halkina T, Sherma J. Comparative evaluation of the performance of silica gel TLC plates and irregular and spherical-particle HPTLC plates. Acta Chromatographica 2006;17:261-71.
18. Misra H, Mehta BK, Jain DC. Optimization of extraction conditions and HPTLC-UV method for determination of quinine in different extracts of Cinchona species bark. Rec Nat Prod 2008;2:107-15.