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Proceedings Paper

Fluorescence of anthocyanin pigments in plant extracts at various pH
Author(s): Barbara Pliszka; Teresa Olszewska; Regina Drabent
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Paper Abstract

The fluorescence properties of anthocyanin pigments in extracts of red cabbage, Brassica oleracea, have been studied. The fluorescence spectra and fluorescence excitation spectra have been measured with absorption spectra of anthocyanins in extracts at pH 2 and pH 7. The results of the researches show that kinds of fluorescent anthocyanins (or/and other compounds) depend on pH conditions of red cabbage extracts. The properly chosen parameters of fluorescence measurement allow to distinguish spectrally two different fluorescent anthocyanin compounds in extract at pH 2 in comparison to pH 7, where three fluorescent compounds have been found.

Paper Details

Date Published: 11 July 2001
PDF: 5 pages
Proc. SPIE 4515, Light and Optics in Biomedicine, (11 July 2001); doi: 10.1117/12.432965
Show Author Affiliations
Barbara Pliszka, Warmia and Masuria Univ./Olsztyn (Poland)
Teresa Olszewska, Warmia and Masuria Univ./Olsztyn (Poland)
Regina Drabent, Warmia and Masuria Univ./Olsztyn (Poland)

Published in SPIE Proceedings Vol. 4515:
Light and Optics in Biomedicine

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