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Kinetics of carotenoid degradation in spice paprika as affected by storage temperature and seed addition

Koncsek, A. and Daood, H.G. and Helyes, L. (2016) Kinetics of carotenoid degradation in spice paprika as affected by storage temperature and seed addition. Acta Alimentaria, 45 (4). pp. 459-468. ISSN 0139-3006

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Abstract

The extractable (ASTA) colour retention of four different milled spice paprikas was evaluated at 10, 20, 35, 50, and 60 °C storage temperature. The ASTA colour stability during long-term storage period strongly depended on the temperature, primary handling and drying of the fresh crop, and the applied production technology. The cooled (10 °C) or temperature-controlled (20 °C) conditions appeared to be a reasonable solution to preserve the quality of paprika powder. The kinetics study on the temperature dependence of ASTA colour loss estimated the apparent reaction order, rate constants, predicted half-life times and activation energy. The Q<sub>10</sub> approach and shelf life-plot resulted in useful data, which can be suitable for quick and economical evaluation of further spice paprika products.

Item Type: Article
Subjects: Q Science / természettudomány > QD Chemistry / kémia > QD01 Analytical chemistry / analitikai kémia
Depositing User: Erika Bilicsi
Date Deposited: 05 Dec 2016 10:38
Last Modified: 31 Dec 2017 00:17
URI: http://real.mtak.hu/id/eprint/42817

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