Venil, C. K. and Khasim, A. R. and Aruldass, C. A. and Ahmad, W. A. (2016) Microencapsulation of flexirubin-type pigment by spray drying: characterization and antioxidant activity. International Biodeterioration and Biodegradation, 113 . pp. 350-356. ISSN 0964-8305
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Abstract
In this work we directed our inquiries to develop a stable flexirubin powder and to evaluate its properties and antioxidant activity. Flexirubin powders were produced by spray drying using two types of carrier agents: gum arabic (GA) and қ-carrageenan (KC) at different inlet air temperatures (140–220 °C). The effect of encapsulation yield, moisture content, hygroscopicity, bulk density, solubility, particle morphology, storage stability and antioxidant activities were determined for both carrier agents. Encapsulation yield, moisture content and bulk densities were greatly influenced by the drying inlet air temperature. The stability test revealed that microencapsulation offered greater protection to flexirubin compared to its free form. Antioxidant activity is higher for microcapsules (687.5 g/kg wet basis) and the boosted properties of microcapsules with high colour stability indicate that this product, which currently has no commercial value, may be used as a natural pigment.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Antioxidants, Atmospheric temperature, Characterization, Convergence of numerical methods, Encapsulation, Microencapsulation, Moisture, Moisture determination, Spray drying, Stability, Thermal load, Anti-oxidant activities, Colour stability, Effect of encapsulation, Encapsulation yields, Flexirubin, Inlet air temperatures, Particle morphologies, Storage stability, Drying, air temperature, antioxidant, bulk density, encapsulation, moisture content, pigment, solubility, spray, Acacia senegal |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Science |
| ID Code: | 72110 |
| Deposited By: | Fazli Masari |
| Deposited On: | 16 Nov 2017 05:20 |
| Last Modified: | 16 Nov 2017 05:20 |
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