Journal of chromatography. A 2014-11-28

Metabolite profiling of Camellia sinensis by automated sequential, multidimensional gas chromatography/mass spectrometry reveals strong monsoon effects on tea constituents.

Amanda Kowalsick, Nicole Kfoury, Albert Robbat, Selena Ahmed, Colin Orians, Timothy Griffin, Sean B Cash, John Richard Stepp

Index: J. Chromatogr. A. 1370 , 230-9, (2014)

Full Text: HTML

Abstract

Seasonal variation in tea (Camellia sinensis (L.) Kuntze; Theaceae) chemistry was investigated using automated sequential, multidimensional gas chromatography/mass spectrometry (GC-GC/MS). Metabolite libraries were produced for teas harvested from the Bulang Mountains in Yunnan, China before and after the onset of the East Asian Monsoon. A total of 201 spring and 196 monsoon metabolites were identified, with 169 common and 59 seasonally unique compounds. An additional 163 metabolites were detected but their identity could not be confirmed. Spectral deconvolution of GC/MS data was used to measure the relative concentrations in the teas. Within each family individual metabolite concentrations increased, decreased and stayed the same. The major constituents in both teas were linalool (28%), geraniol (13%), α-terpineol (10%), hotrienol (4%) and nerol (3%). This work provides the foundation to monitor seasonal variations of tea chemistry. Copyright © 2014 Elsevier B.V. All rights reserved.

Related Compounds

  • (2H8)Naphthalene
  • LDN-57444

Related Articles:

Rapid quick, easy, cheap, effective, rugged, and safe extraction with novel phospholipid cleanup: A streamlined ultra high performance liquid chromatography with ultraviolet detection approach for screening polycyclic aromatic hydrocarbons in avian blood cells and plasma.

2015-08-01

[J. Sep. Sci. 38 , 2677-83, (2015)]

Concentrations, Trends, and Air-Water Exchange of PAHs and PBDEs Derived from Passive Samplers in Lake Superior in 2011.

2015-12-01

[Environ. Sci. Technol. 49 , 13777-86, (2015)]

Pollution biomonitoring in the Bizerte lagoon (Tunisia), using combined chemical and biomarker analyses in grass goby, Zosterisessor ophiocephalus (Teleostei, Gobiidae).

2014-10-01

[Mar. Environ. Res. 101 , 184-95, (2014)]

Concentrations, gas-particle partitioning, and seasonal variations of polycyclic aromatic hydrocarbons at four sites in Turkey.

2015-01-01

[Arch. Environ. Contam. Toxicol. 68(1) , 46-63, (2015)]

Growth and immune system performance to assess the effect of dispersed oil on juvenile sea bass (Dicentrarchus labrax).

2015-10-01

[Ecotoxicol. Environ. Saf. 120 , 215-22, (2015)]

More Articles...