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Original Articles

A RAPID HPLC-DAD METHOD FOR ANALYSIS OF THEAFLAVINS USING C12 AS STATIONARY PHASE*

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Pages 2272-2279 | Published online: 05 Oct 2012

REFERENCES

  • Harbowy , M. E. ; Balentine , D. A. Tea Chemistry . Crit. Rev. Plant Sci. 1997 , 16 , 415 – 480 .
  • Matsuo , Y. ; Tanaka , T.; Kouno. I. A New Mechanism for Oxidation of Epigallocatechin and Production of Benzotropolone Pigments . Tetrahedron 2006 , 62 , 4774 – 4783 .
  • Geissman , T. A. Chemistry of Flavonoid Compounds , Pergamon Press : Oxford , UK 1962 , 468 – 512 .
  • Runeckles , V. C. ; Tso , T. C. Recent Advances in Phytochemistry , Vol. 5 , Academic Press : New York , 1972 , pp. 247 – 31 .
  • Sharma , K. ; Bari , S. S. ; Singh , H. P. Biotransformation of Tea Catechins into Theaflavins with Immobilized Polyphenol Oxidase . J. Mol. Cat. B Enzy. 2009 , 56 , 253 – 258 .
  • Apostolides , Z. ; Balentine , D. A. ; Harbowy , M. E. ; Hara , Y.; Weisurger. J. H. Inhibition of PhIP Mutagenicity by Catechins, and by Theaflavins and Gallate Esters . Mutat. Res. 1997 , 389 , 167 – 172 .
  • Halder , B. ; Pramanick , S. ; Mukhopadhyay , S. ; Giri , A. K. Anticlastogenic Effects of Black Tea Polyphenols Theaflavins and Thearubigins in Human Lymphocytes In Vitro . Toxicology in Vitro. 2006 , 20 , 608 – 613 .
  • Liang , Y. C. ; Chen , Y. C. ; Lin , Y. L. ; Lin-Shiau , S. Y. ; Ho , C. T.; Lin. J. K. Suppression of Extracellular Signals and Cell Proliferation by the Black Tea Polyphenol, Theaflavin-3, 3′- Digallate . Carcinogenesis 1999 , 20 , 733 – 736 .
  • Pan , M. H. ; Lin-Shiau , S. Y. ; Ho , C. T. ; Lin , J. H. Comparative Studies on the Suppression of Nitric Oxide Synthase by Curcumin and Its Hydrogenated Metabolites through Down-regulation of IkB Kinase and NFkB Activation in Macrophages . Biochem. Pharm. 2000 , 59 , 357 – 367 .
  • Sang , S. ; Tian , S. ; Jhoo , J. ; Wang , H. ; Stark , R. E. ; Rosen , R. T.; Ho. C. T.. Chemical Studies of the Antioxidant Mechanism of Theaflavins: Radical Reaction Products of Theaflavin 3, 3′-Digallate with Hydrogen Peroxide . Tetrahedron Lett. 2003 , 44 , 5583 – 5587 .
  • Nishimura , M. ; Ishiyama , K. ; Watanabe , A. ; Kawano , S.; Miyase. T. ; Sano , M. Determination of Theaflavins Including Methylated Theaflavins in Black Tea Leaves by Solid-Phase Extraction and HPLC Analysis . J. Agric. Food Chem. 2007 , 55 , 7252 – 7257 .
  • Jhoo , J. ; Lo , C. Y. ; Li , S. ; Sang , S. ; Ang , C. Y. W. ; Heinze , T. M. ; Ho , C. T. Stability of Black Tea Polyphenol, Theaflavin, and Identification of Theanaphthoquinone as Its Major Radical Reaction Product. J. Agric. Food Chem. 2005, 53, 6146–6150.
  • Wang , Y. ; Yang , X. ; Li , K. ; Li , C. ; Li , L. ; Huang , H. Simultaneous Determination of Theanine, Gallic Acid, Purine Alkaloids, Catechins, and Theaflavins in Black Tea Using HPLC . Int. J. Food Sci. Tech. 2010 , 45 , 1263 – 1269 .
  • Neilson , A. P. ; Green , R. J. ; Wood , K. V.; Ferruzzi. M. G. High-Throughput Analysis of Catechins and Theaflavins by High Performance Liquid Chromatography with Diode Array Detection . J. Chromatogr. A 2006 , 1132 , 132 – 140 .
  • *IHBT Communication no. 2183.

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