Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Determination of tea catechins.

J J Dalluge1, B C Nelson

  • 1National Institute of Standards and Technology, Analytical Chemistry Division, Gaithersburg, MD 20899-0001, USA. joseph.dalluge@nist.gov

Journal of Chromatography. A
|July 25, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Feasibility of using a standardized <i>Caenorhabditis elegans</i> toxicity test to assess nanomaterial toxicity.

Environmental science. Nano·2024
Same author

Orthogonal and complementary measurements of properties of drug products containing nanomaterials.

Journal of controlled release : official journal of the Controlled Release Society·2022
Same author

Visual and semantic factors in recognition from long-term memory.

Memory & cognition·2011
Same author

Certification of vitamins and carotenoids in SRM 3280 multivitamin/multielement tablets.

Analytical chemistry·2010
Same author

Certification of standard reference materials containing bitter orange.

Analytical and bioanalytical chemistry·2008
Same author

Preliminary application of liquid chromatography-electrospray-ionization mass spectrometry to the detection of 5-methyltetrahydrofolic acid monoglutamate in human plasma.

Journal of chromatography. B, Biomedical sciences and applications·2002
Same journal

Impurity profiling of lipid-conjugated oligonucleotides using reversed-phase with and without ion-pair reagents and hydrophilic interaction liquid chromatography.

Journal of chromatography. A·2026
Same journal

Preparation of magnetic zwitterionic covalent organic frameworks for rapid simultaneous extraction of hydrophilic and hydrophobic organophosphates from environmental waters coupled with UHPLC-MS/MS determination.

Journal of chromatography. A·2026
Same journal

Analysis of organic and inorganic acids in biomass pyrolysis process samples by ion chromatography-mass spectrometry.

Journal of chromatography. A·2026
Same journal

Separation and enrichment of phages at the interface between two phases in a green solvent-based sugaring-out extraction system.

Journal of chromatography. A·2026
Same journal

Advances and perspectives in Oligo(dT) Affinity chromatography for mRNA capture: Resins, ligands and process intensification.

Journal of chromatography. A·2026
Same journal

Ion chromatography: Current strengths, key limitations, and future trends.

Journal of chromatography. A·2026
See all related articles

This review covers analytical methods for measuring tea catechins. Liquid chromatography and capillary electrophoresis are key techniques, with various detectors offering enhanced sensitivity and selectivity for catechin analysis.

Area of Science:

  • Analytical Chemistry
  • Food Chemistry
  • Biochemistry

Background:

  • Tea catechins are biologically significant compounds found in tea.
  • Accurate measurement of tea catechins is crucial for research and quality control.

Purpose of the Study:

  • To provide a comprehensive overview of analytical methods for tea catechin determination.
  • To highlight the most effective techniques for separation, identification, and quantitation.

Main Methods:

  • Liquid chromatography (LC) with various detectors (UV, MS, electrochemical, fluorescence, chemiluminescence).
  • Capillary electrophoresis (CE), including capillary zone electrophoresis (CZE) and micellar electrokinetic capillary chromatography (MECC).
  • Other techniques such as gas chromatography (GC), thin-layer chromatography (TLC), spectrophotometry, biosensing, and nuclear magnetic resonance (NMR) spectroscopy.

Related Experiment Videos

Main Results:

  • Liquid chromatography and capillary electrophoresis are the most frequently cited methods for catechin analysis.
  • Different detection methods offer varying levels of sensitivity and selectivity.
  • A range of chromatographic and spectroscopic techniques are available for comprehensive catechin determination.

Conclusions:

  • A variety of analytical techniques are available for the precise measurement of tea catechins.
  • The choice of method depends on the required sensitivity, selectivity, and specific analytical goals.
  • Continued development in analytical methodologies enhances the understanding of tea's bioactive components.