UHPLC determination of catechins for the quality control of green tea.

[1]  H N Graham,et al.  Green tea composition, consumption, and polyphenol chemistry. , 1992, Preventive medicine.

[2]  Jen-kun Lin,et al.  Composition of polyphenols in fresh tea leaves and associations of their oxygen-radical-absorbing capacity with antiproliferative actions in fibroblast cells , 1996 .

[3]  S. Wiseman,et al.  The chemistry of tea flavonoids. , 1997, Critical reviews in food science and nutrition.

[4]  P. Maliakal,et al.  Inhibition of carcinogenesis by tea. , 1997, Nature.

[5]  B. Nelson,et al.  Selection of column and gradient elution system for the separation of catechins in green tea using high-performance liquid chromatography. , 1998, Journal of chromatography. A.

[6]  Á. Ríos,et al.  Spectrophotometric flow injection determination of caffeine in solid and slurry coffee and tea samples using supported liquid membranes , 1999 .

[7]  B. Nelson,et al.  Determination of tea catechins. , 2000, Journal of chromatography. A.

[8]  Y. Zuo,et al.  Simultaneous determination of catechins, caffeine and gallic acids in green, Oolong, black and pu-erh teas using HPLC with a photodiode array detector. , 2002, Talanta.

[9]  M. J. Martín,et al.  Study of catechin and xanthine tea profiles as geographical tracers. , 2002, Journal of agricultural and food chemistry.

[10]  B. Frei,et al.  Tea Catechins and Polyphenols: Health Effects, Metabolism, and Antioxidant Functions , 2003, Critical reviews in food science and nutrition.

[11]  Huafu Wang,et al.  Determination of hamamelitannin, catechins and gallic acid in witch hazel bark, twig and leaf by HPLC. , 2003, Journal of pharmaceutical and biomedical analysis.

[12]  R. Gotti,et al.  Microemulsion electrokinetic chromatography for the analysis of green tea catechins: Effect of the cosurfactant on the separation selectivity , 2003, Electrophoresis.

[13]  S. Yao,et al.  Simultaneous analysis of theanine, chlorogenic acid, purine alkaloids and catechins in tea samples with the help of multi-dimension information of on-line high performance liquid chromatography/electrospray-mass spectrometry. , 2004, Journal of pharmaceutical and biomedical analysis.

[14]  N. Datta,et al.  HPLC analyses of flavanols and phenolic acids in the fresh young shoots of tea (Camellia sinensis) grown in Australia , 2004 .

[15]  Jen-kun Lin,et al.  HPLC analysis of naturally occurring methylated catechins, 3' '- and 4' '-methyl-epigallocatechin gallate, in various fresh tea leaves and commercial teas and their potent inhibitory effects on inducible nitric oxide synthase in macrophages. , 2005, Journal of agricultural and food chemistry.

[16]  Tatsunari Yoshida,et al.  High-speed analyses using rapid resolution liquid chromatography on 1.8-microm porous particles. , 2006, Journal of separation science.

[17]  R. Gotti,et al.  Analysis of catechins in Theobroma cacao beans by cyclodextrin-modified micellar electrokinetic chromatography. , 2006, Journal of chromatography. A.

[18]  U. Pyell.  Electrokinetic chromatography : theory, instrumentation, and applications , 2006 .

[19]  E. de Rijke,et al.  Analytical separation and detection methods for flavonoids. , 2006, Journal of chromatography. A.

[20]  A. Neilson,et al.  High-throughput analysis of catechins and theaflavins by high performance liquid chromatography with diode array detection. , 2006, Journal of chromatography. A.

[21]  J. Veuthey,et al.  Chromatographic behaviour and comparison of column packed with sub-2 microm stationary phases in liquid chromatography. , 2006, Journal of chromatography. A.

[22]  G. Williamson,et al.  Rapid reversed phase ultra-performance liquid chromatography analysis of the major cocoa polyphenols and inter-relationships of their concentrations in chocolate. , 2007, Journal of agricultural and food chemistry.

[23]  J. Veuthey,et al.  Recent developments in liquid chromatography--impact on qualitative and quantitative performance. , 2007, Journal of chromatography. A.

[24]  Yu’e Jiang,et al.  Simultaneous analysis of purine alkaloids and catechins in Camellia sinensis, Camellia ptilophylla and Camellia assamica var. kucha by HPLC , 2007 .

[25]  Zhiyong Xie,et al.  HPLC-DAD-ESI-MS/MS analysis of polyphenols and purine alkaloids in leaves of 22 tea cultivars in China , 2008 .

[26]  Pei Chen,et al.  New phenolic components and chromatographic profiles of green and fermented teas. , 2008, Journal of agricultural and food chemistry.

[27]  Yong Cheng,et al.  Temporal changes in aroma release of Longjing tea infusion: interaction of volatile and nonvolatile tea components and formation of 2-butyl-2-octenal upon aging. , 2008, Journal of agricultural and food chemistry.

[28]  Michael Popp,et al.  Quality assessment and quantitative analysis of flavonoids from tea samples of different origins by HPLC-DAD-ESI-MS. , 2008, Journal of agricultural and food chemistry.

[29]  Eiichiro Fukusaki,et al.  High-throughput technique for comprehensive analysis of Japanese green tea quality assessment using ultra-performance liquid chromatography with time-of-flight mass spectrometry (UPLC/TOF MS). , 2008, Journal of agricultural and food chemistry.

[30]  P. Solich,et al.  Analysis of phenolic compounds by high performance liquid chromatography and ultra performance liquid chromatography. , 2008, Talanta.

[31]  M. A. Rao,et al.  Factors affecting rheological characteristics of fibril gels: the case of beta-lactoglobulin and alpha-lactalbumin. , 2009, Journal of food science.

[32]  S. Lanteri,et al.  Differentiation of green tea samples by chiral CD‐MEKC analysis of catechins content , 2009, Electrophoresis.

[33]  M. Friedman,et al.  Stability of green tea catechins in commercial tea leaves during storage for 6 months. , 2009, Journal of food science.

[34]  Davy Guillarme,et al.  High throughput qualitative analysis of polyphenols in tea samples by ultra-high pressure liquid chromatography coupled to UV and mass spectrometry detectors. , 2010, Journal of chromatography. A.

[35]  P. Solich,et al.  Comparison of positive and negative ion detection of tea catechins using tandem mass spectrometry and ultra high performance liquid chromatography , 2010 .

[36]  P. Solich,et al.  Rapid qualitative and quantitative ultra high performance liquid chromatography method for simultaneous analysis of twenty nine common phenolic compounds of various structures. , 2010, Talanta.

[37]  R. Gotti,et al.  Capillary electrophoretic study on the interaction between sodium dodecyl sulfate and neutral cyclodextrins , 2010 .

[38]  J. Lambert,et al.  Laboratory, epidemiological, and human intervention studies show that tea (Camellia sinensis) may be useful in the prevention of obesity. , 2010, The Journal of nutrition.

[39]  J. Lambert,et al.  The antioxidant and pro-oxidant activities of green tea polyphenols: a role in cancer prevention. , 2010, Archives of biochemistry and biophysics.

[40]  Na Li,et al.  Degradation kinetics of catechins in green tea powder: effects of temperature and relative humidity. , 2011, Journal of agricultural and food chemistry.

[41]  C. Silva,et al.  A fast method using a new hydrophilic-lipophilic balanced sorbent in combination with ultra-high performance liquid chromatography for quantification of significant bioactive metabolites in wines. , 2011, Talanta.

[42]  Yasuo Suzuki,et al.  Health-promoting effects of green tea , 2012, Proceedings of the Japan Academy. Series B, Physical and biological sciences.

[43]  R. Cooper.  Green tea and theanine: health benefits , 2012, International journal of food sciences and nutrition.

[44]  Xiaohui Chen,et al.  Simultaneous determination of seven bioactive components in Oolong tea Camellia sinensis: quality control by chemical composition and HPLC fingerprints. , 2012, Journal of agricultural and food chemistry.

[45]  C. Silva,et al.  A new and improved strategy combining a dispersive-solid phase extraction-based multiclass method with ultra high pressure liquid chromatography for analysis of low molecular weight polyphenols in vegetables. , 2012, Journal of chromatography. A.

[46]  G. Sassaki,et al.  Analysis of Camellia sinensis green and black teas via ultra high performance liquid chromatography assisted by liquid-liquid partition and two-dimensional liquid chromatography (size exclusion × reversed phase). , 2012, Journal of chromatography. A.

[47]  S. Misaka,et al.  Development of rapid and simultaneous quantitative method for green tea catechins on the bioanalytical study using UPLC/ESI-MS. , 2013, Biomedical chromatography : BMC.

[48]  Weibiao Zhou,et al.  Green tea catechins during food processing and storage: A review on stability and detection , 2013 .

[49]  Y. Kokubo,et al.  The Impact of Green Tea and Coffee Consumption on the Reduced Risk of Stroke Incidence in Japanese Population: The Japan Public Health Center-Based Study Cohort , 2013, Stroke.