Article,

Spray drying-microencapsulation of cinnamon infusions (Cinnamomum zeylanicum) with maltodextrin

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ŁWT\ - Food Science and Technology, 64 (2): 571 - 577 (2015)
DOI: http://dx.doi.org/10.1016/j.lwt.2015.06.020

Abstract

Abstract The effect of temperature and feed rate on spray dried cinnamon infusions (SDCInf) using maltodextrin as an encapsulating agent was studied (inlet temperature: 140, 160, and 180 °C; feed rate: 8 and 10 mL/min). Total phenolic content (TPC), antioxidant capacity (DPPH*), morphology (SEM), chemical (FTIR) and rheological properties, and releasing profiles were assessed in SDCInf. Cinnamon infusions (CInf) resulted in 29.32 (±0.70) mg of GAE/g of cinnamon. As for DPPH* inhibition, \EC50\ was 0.291 (±0.09) mg of cinnamon/mL. Microparticles showed a deflated-balloon like shape, encapsulating up to ∼85% of the cinnamon infusion, and a simple shear-thinning behavior (n < 1). Results show that powdered \SDCInf\ obtained at 160 and 180 °C and 10 mL/min yielded the best protection for cinnamon infusions.

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