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Bruker Daltonics
Bruker

Characterization of black and green tea using ESI-QTOF- MS and data evaluation by principle component analysis

Type: Application

Poster

Metabolomics Studies, Gen. Pharma & Chemistry
Number: Technology

Metabolomics 2010

OTOF
Year Products

2010

  Author
 

Aiko Barsch, Gabriela Zurek, Wiebke Lohmann; Bruker Daltonik GmbH, Fahrenheitstraße 4, 28359 Bremen, Germany
  Reference
 

Metabolomics 2010, Amsterdam
 

Abstract
 

  • LC-ESI-Qq-TOF-MS analysis in combination with PCA was applied to differentiate green, Darjeeling and black tea samples
  • SmartFormula3D (combining exact mass and isotopic pattern information in MS and MS/MS
  • spectra) allowed for sum formula generation of relevant compounds differentiating samples
  • Removing caffeine for PCA calculation revealed a separation of the samples according to oxidation grade obtained during tea processing
  • Compounds with higher abundance in black tea could be shown to belong to the class of flavonoids
  • Green tea samples contained higher amounts of catechins compared to black teas
 

Related Products
 

 

Download

 

Bruker_Metabolomics2010_P8B_014.pdf
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