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Estimation of antioxidative properties of tea leaves by abrasive stripping electrochemistry (CROSBI ID 157344)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Komorsky-Lovrić, Šebojka ; Novak, Ivana Estimation of antioxidative properties of tea leaves by abrasive stripping electrochemistry // Collection of Czechoslovak chemical communications, 74 (2009), 10; 1467-1475. doi: 10.1135/cccc2009062

Podaci o odgovornosti

Komorsky-Lovrić, Šebojka ; Novak, Ivana

engleski

Estimation of antioxidative properties of tea leaves by abrasive stripping electrochemistry

Electrooxidation potentials of powdered green and black teas were determined by abrasive stripping voltammetry. A circular surface of paraffin-impregnated graphite rod was contaminated with tea microparticles and used as a chemically prepared working electrode in square-wave voltammetric experiments. The responses are ascribed to electrooxidation of flavanols in teas. Low oxidation potentials of some green teas were observed. An advantage of the proposed method is that no extraction of electroactive components is necessary.

tea ; (-)-epigallocatechin gallate ; (-)-epigallocatechin ; (-)-epicatechin gallate

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Podaci o izdanju

74 (10)

2009.

1467-1475

objavljeno

0010-0765

10.1135/cccc2009062

Povezanost rada

Kemija, Prehrambena tehnologija

Poveznice
Indeksiranost