Impact of polyphenol-rich green tea extracts on the protection of DOPC monolayer against damage caused by ozone induced lipid oxidation

• Authors: Elżbieta Rudolphi-Skórska , Barbara Dyba , Barbara Kreczmer , Maria Filek
• Languages of publication: EN

Abstracts

EN

Effectiveness of green tea (compared to two single polyphenols) in removing ozone derived reactive oxygen species acting on dioleoylphosphatidylcholine monolayers was determined. Lipid oxidation was followed by changes in mechanical properties of the layer spread on the aqueous subphase containing various amounts of ozone in the presence and absence of polyphenolics. It was shown that the tea extract (containing 8.5 x 10-4 mg/cm3 polyphenols) is capable of inactivating 0.4 ppm ozone. The DPPH radical scavenging test set polyphenols in the order of increasing activity, consistent with their protective effect in relation to lipid oxidation, showing the highest efficacy of EGCG.

Keywords

EN

green tea; oxidative stress; lipid oxidation; cell membrane; ozone-pollutant

• Publisher: Polish Biochemical Society
• Journal: Acta Biochimica Polonica
• Year: 2018
• Volume: 65
• Issue: 2
• Pages: 193-197

Dates

published

2018

received

2018-01-03

revised

2018-04-27

accepted

2018-05-09

(unknown)

2018-05-30

Contributors

author

Elżbieta Rudolphi-Skórska

• Department of Biochemistry, Biophysics and Biotechnology Institute of Biology, Pedagogical University of Cracow, Kraków, Poland

author

Barbara Dyba

• Department of Biochemistry, Biophysics and Biotechnology Institute of Biology, Pedagogical University of Cracow, Kraków, Poland

author

Barbara Kreczmer

• Department of Biochemistry, Biophysics and Biotechnology Institute of Biology, Pedagogical University of Cracow, Kraków, Poland

author

Maria Filek

• Department of Biochemistry, Biophysics and Biotechnology Institute of Biology, Pedagogical University of Cracow, Kraków, Poland

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Identifiers

DOI

10.18388/abp.2018_2612