Microencapsulation of blackberry pulp with arrowroot starch and gum arabic mixture by spray drying
10.1080/02652048.2018.1538264
Inclou dades d'ús des de 2022
Cita com:
hdl:2117/361187
Tipus de documentArticle
Data publicació2018-11-30
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
This research work aimed to obtain blackberry pulp powder by spray drying and, by an experimental design, evaluated the effect of inlet air temperature (100–150¿°C) and blackberry pulp solids:arrowroot starch/gum arabic solids ratio of 1:0.5–1:2 on the physicochemical properties of the powders. Arrowroot starch and gum arabic present glass transition temperature (Tg) values above 100¿°C; hence it was possible to employ them as carriers in blackberry pulp spray drying in order to increase Tg of the system. Powder yield and solubility increased with increasing blackberry pulp solids:arrowroot starch/gum arabic solids ratio of 1:0.5–1:2, whereas hygroscopicity decreased. Yield, solubility and hygroscopicity of the powders increased and water activity decreased, with increasing inlet air temperature. The powders presented low moisture content and water activity. Temperature of 143¿°C and blackberry pulp solids:arrowroot starch/gum arabic solids ratio of 1:1.78 were the optimal conditions to obtain high yield and blackberry powders that are soluble in water and less hygroscopic
CitacióNogueira, G.F. [et al.]. Microencapsulation of blackberry pulp with arrowroot starch and gum arabic mixture by spray drying. "Journal of microencapsulation", 30 Novembre 2018, vol. 35, núm. 5, p. 482-493.
ISSN0265-2048
Versió de l'editorhttps://www.tandfonline.com/doi/full/10.1080/02652048.2018.1538264
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