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Título: Banana starch and molecular shear fragmentation dramatically increase structurally driven slowly digestible starch in fully gelatinized bread crumb
Autor: Román, Laura
Gómez, Manuel
Hamaker, Bruce R.
Martínez, Mario M.
Año del Documento: 2018
Editorial: Elsevier
Documento Fuente: Food Chemistry, 274:4-671
Resumen: The role of native (NB) and extruded (EB) banana starch, and a 1:1 native:extruded banana starch composite (MB), in slowing down the starch digestibility of bread crumb and crust was investigated. During extrusion, the molecular weight of banana starch was reduced from 2.75x108 to 4.48x106 g/mol (HPSEC-MALS-RI). Results showed a slowly digestible starch (SDS) increase from 1.09 % (control) to 4.2, 6.6, and 7.76 % in NB, MB and EB crumbs (fully gelatinized), respectively. DSC data attributed this occurrence to the formation of supramolecular structures upon storage involving amylopectin branches (especially those from fragmented amylopectin in EB). The hedonic sensory test showed no differences in overall liking between MB, EB and control, validating feasibility of including banana in the formulation. For the first time, this study shows a molecular size reduction as a strategy to manufacture selected starches that result in highly gelatinized baked products rich in structurally driven SDS.
Revisión por Pares: SI
DOI: DOI: 10.1016/j.foodchem.2018.09.023
Patrocinador: European Regional Development Fund (FEDER) and the Spanish Ministry of Economy and Competitiveness (Project AGL2014-52928-C2)
Version del Editor:
Idioma: eng
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:DEP42 - Artículos de revista

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