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Structural properties and digestion of green banana flour as a functional ingredient in pasta

Citation

Zheng, Z and Stanley, R and Gidley, MJ and Dhital, S, Structural properties and digestion of green banana flour as a functional ingredient in pasta, Food and Function, 7, (2) pp. 771-780. ISSN 2042-6496 (2016) [Refereed Article]

Copyright Statement

Copyright 2016 The Royal Society of Chemistry

DOI: doi:10.1039/c5fo01156f

Abstract

Gluten free pasta was made from raw banana flour in combination with vegetable gums and protein for comparison to pasta similarly made from wheat flour. After cooking, it was found that the banana flour pasta was less susceptible to alpha-amylase digestion compared to conventional wheat flour pasta. Release of glucose by alpha-amylase digestion followed first order kinetics with an initial rapid rate of digestion and a subsequent second slower phase. The structure of green banana pasta starch at the inner and outer pasta surfaces was observed under confocal laser scanning microscopy (CLSM) and the viscosities of the flour mixtures were measured by a Rapid Visco Analyser (RVA). The digestibility of banana flour pasta was found to be related, not only to the properties of the starch granules, but also to the protein network of the surrounding food matrix. The effects of gums and proteins on pasta formation and digestibility are discussed in the context of its potential use as a gluten free lower glycaemic alternative to conventional wheat based pastas.

Item Details

Item Type:Refereed Article
Keywords:banana, resistant starch, digestion, fibre, funcitonal ingredient
Research Division:Engineering
Research Group:Food Sciences
Research Field:Food Chemistry and Molecular Gastronomy (excl. Wine)
Objective Division:Manufacturing
Objective Group:Processed Food Products and Beverages (excl. Dairy Products)
Objective Field:Processed Fruit and Vegetable Products (incl. Fruit Juices)
Author:Stanley, R (Dr Roger Stanley)
ID Code:106519
Year Published:2016
Web of Science® Times Cited:1
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2016-02-12
Last Modified:2017-11-06
Downloads:0

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