Authors
Ivona Elez Garofulić, Verica Dragović-Uzelac, Anet Režek Jambrak, Marijana Jukić
Publication date
2013/8/1
Journal
Journal of Food Engineering
Volume
117
Issue
4
Pages
437-442
Publisher
Elsevier
Description
The aim of this study was to evaluate the influence of microwave assisted extraction on the isolation of anthocyanins and phenolic acids from sour cherry Marasca. A general factorial design was used to study the effect of temperature (from 50 to 70°C), irradiation time (5–12min) and microwave power (350–500W) on individual, total anthocyanins and individual and total phenolic acids. Optimal microwave assisted extraction conditions differed for anthocyanins and phenolic acids, especially in terms of temperature and irradiation time, so lower temperature (60°C) and shorter time (6–9min) was more convenient for anthocyanins extraction, while phenolic acids gave higher extraction yield at higher temperatures (70°C) and longer irradiation time (10min). The optimal microwave power did not differ significantly for studied compounds, ranging about 400W. Compared to conventional extraction, microwave assisted one …
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