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Título: Gum arabic/starch/maltodextrin/inulin as wall materials on the microencapsulation of rosemary essential oil
Autor(es): Fernandes, R. V.
Borges, Soraia Vilela
Botrel, D. A.
Assunto: Flavour
Glass transition
Isotherm
Morphology
Spray drying
Gum arabic - Chemistry
Inulin - Chemistry
Oils - Volatile - Chemistry
Polysaccharides - Chemistry
Rosmarinus - Chemistry
Starch/chemistry
Publicador: Elsevier
Data de publicação: 30-Jan-2014
Referência: FERNANDES, R. V.; BORGES, S. V.; BOTREL, D. A. Gum arabic/starch/maltodextrin/inulin as wall materials on the microencapsulation of rosemary essential oil. Carbohydrate Polymers, Barking, v. 101, p. 524-532, Jan. 2014.
Abstract: The effects of the partial or total replacement of gum arabic by modified starch, maltodextrin and inulin on the characteristics of rosemary essential oil microencapsulated by spray drying were evaluated in this study. The lowest level of water absorption under conditions of high relative humidity was observed in treatments containing inulin. The wettability property of the powders was improved by the addition of inulin. The total replacement of gum arabic by modified starch or a mixture of modified starch and maltodextrin (1:1, m/m) did not significantly affect the efficiency of encapsulation, although higher Tg values were exhibited by microcapsules prepared using pure gum arabic or gum arabic and inulin. 1,8-cineol, camphor and α-pinene were the main components identified by gas chromatography in the oils extracted from the microcapsules. The particles had smoother surfaces and more folds when gum arabic or inulin was present. Larger particles were observed in the powders prepared with pure gum arabic or modified starch.
URI: http://www.ncbi.nlm.nih.gov/pubmed/24299808
http://repositorio.ufla.br/jspui/handle/1/4725
Idioma: en
Aparece nas coleções: DCA - Artigos publicados em periódicos

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