Extraction and Encapsulation of Beetroot (Beta Vulgaris.L) Extract Using Spray Dryer
K. Poornima, B. Priya
This study aims to obtain encapsulated beetroot extract in a powder form using spray drying technology. The beetroot extract, as core material was obtained using aqueous extraction method. The encapsulated beetroot extract powder was produced by spray drying process using the combination of maltodextrin and gum arabic as wall material in the ratio of 1:2 (core material : wall material), and drying inlet air temperatures at 120°C, 140°C and 160°C as independent parameters. Thus the effect on spray drying inlet air temperatures on encapsulation efficiency, moisture content and betanin content of encapsulated beetroot extract powder was evaluated.
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