Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/852
Type: Artigo de periódico
Title: Microcapsules of a Casein Hydrolysate: Production, Characterization, and Application in Protein Bars
Author: ROCHA, G. A.
TRINDADE, M. A.
NETTO, F. M.
FAVARO-TRINDADE, C. S.
Abstract: The aim of this work was to encapsulate a casein hydrolysate by spray drying using maltodextrins (DE 10 and 20) as wall materials and to evaluate the efficiency of the microencapsulation in attenuating the bitter taste of the hydrolysate using protein bars as the model system. Microcapsules were evaluated for morphology (SEM), particle size, hygroscopicity, solubility, thermal behavior (DSC), and bitter taste with a trained sensory panel by a paired comparison test (nonencapsulated samples vs. encapsulated samples). Bars were prepared with the addition of 3% casein hydrolysate at free or both encapsulated forms, and were then evaluated for their moisture, water activity (a(w)) and for their bitter taste by a ranking test. Microcapsules were of the matrix type, having continuous surfaces with no apparent porosity for both coatings. Both encapsulated casein hydrolysates had similar hygroscopicity, and lower values than free encapsulated hydrolysates. The degree of hydrolysis of the maltodextrin influenced only the particle size and T(g). The sensory panel considered the protein bars produced with both encapsulated materials less bitter (p < 0.05) than those produced with the free casein hydrolysates. Microencapsulation by spray drying with maltodextrin DE 10 and 20 was successful to attenuate the bitter taste and the hygroscopicity of casein hydrolysates.
Subject: peptides
spray drying
protein bar
ranking test
maltodextrin
Country: Inglaterra
Editor: SAGE PUBLICATIONS LTD
Rights: fechado
Identifier DOI: 10.1177/1082013209346042
Address: http://apps.isiknowledge.com/InboundService.do?Func=Frame&product=WOS&action=retrieve&SrcApp=EndNote&UT=000271567300011&Init=Yes&SrcAuth=ResearchSoft&mode=FullRecord
http://dx.doi.org/10.1177/1082013209346042
Date Issue: 2009
Appears in Collections:FEA - Artigos e Outros Documentos

Files in This Item:
File Description SizeFormat 
art_ROCHA_Microcapsules_of_a_Casein_Hydrolysate_Production_Characterization_2009.pdfpublished version157.22 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.