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Revista de Chimie (Rev. Chim.), Year 2016, Volume 67, Issue 3,



Monica Butnariu, Ioan Sarac, Marius Pentea, Ionel Samfira, Adina Negrea, Marilena Motoc, Alina Ramona Buzatu, Mihaela Ciopec

Approach for Analyse Stability of Lutein from Tropaeolum majus

Abstract:

The main goal of the study was to reveal the carotenoid antioxidants by spectrophotometric methods in order to identify and determine nasturtium petals (Tropaeolum majus) lutein through extinction coefficients known or experimentally estimated from calibration curves (solubilised in diethyl ether). The selection of extraction solvents, doses, and lutein recovery confirm efficacy of diethyl ether (lutein extractability is 60%). To establish diethyl ether efficacy in lutein conditioning, the stability of diethyl ether extracts was tested. The study of preservation schedules for antioxidant lutein was highlighted by out parameters determining stability of lutein, i.e. a temperature of 0°C. The results revealed that spectral method combined with spectro-photometric analysis techniques can provide efficient, accurate information for routine monitoring of carotenoid compounds as quality indicators for identifying and quantification lutein.

Keywords:
lutein; nasturtium; stability test; spectral and spectrophotometric analysis

Issue: 2016, Volume 67, Issue 3
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