Journal
DRYING TECHNOLOGY
Volume 33, Issue 2, Pages 153-161Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07373937.2014.937872
Keywords
Anthocyanin; Carrier agents; Euterpe edulis M; Jucara; Spray drying
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Funding
- Coordination for the Improvement of High Education Personnel (Capes, Brazil)
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Jucara pulp was microencapsulated using three different carrier agentsgelatin, gum arabic, and maltodextrinby spray drying. Response surface methodology based on a two-factor-five-level central composite design was applied to determine the effect of inlet temperature (140-190 degrees C) and carrier agent concentration (5-55%) on anthocyanin retention. Significant retention of anthocyanin content (>83%) was observed at the treatment conditions of 165 degrees C inlet temperature and 5% of carrier agent. Anthocyanin retention was affected by temperature, due to its high sensitivity, and by carrier agent concentration, which is related to the interaction between the jucara pulp compounds and the carrier agent.
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