eCite Digital Repository

Effect of sorghum flour addition on in vitro starch digestibility, cooking quality, and consumer acceptability of durum wheat pasta

Citation

Khan, I and Yousif, AM and Johnson, SK and Gamlath, S, Effect of sorghum flour addition on in vitro starch digestibility, cooking quality, and consumer acceptability of durum wheat pasta, Journal of Food Science, 79, (8) pp. S1560-S1567. ISSN 0022-1147 (2014) [Refereed Article]

Copyright Statement

Copyright 2014 Institute of Food Technologists

DOI: doi:10.1111/1750-3841.12542

Abstract

Whole grain sorghum is a valuable source of resistant starch and polyphenolic antioxidants and its addition into staple food like pasta may reduce the starch digestibility. However, incorporating nondurum wheat materials into pasta provides a challenge in terms of maintaining cooking quality and consumer acceptability. Pasta was prepared from 100% durum wheat semolina (DWS) as control or by replacing DWS with either wholegrain red sorghum flour (RSF) or white sorghum flour (WSF) each at 20%, 30%, and 40% incorporation levels, following a laboratory-scale procedure. Pasta samples were evaluated for proximate composition, in vitro starch digestibility, cooking quality, and consumer acceptability. The addition of both RSF and WSF lowered the extent of in vitro starch digestion at all substitution levels compared to the control pasta. The rapidly digestible starch was lowered in all the sorghum-containing pastas compared to the control pasta. Neither RSF or WSF addition affected the pasta quality attributes (water absorption, swelling index, dry matter, adhesiveness, cohesiveness, and springiness), except color and hardness which were negatively affected. Consumer sensory results indicated that pasta samples containing 20% and 30% RSF or WSF had acceptable palatability based on meeting one or both of the preset acceptability criteria. It is concluded that the addition of wholegrain sorghum flour to pasta at 30% incorporation level is possible to reduce starch digestibility, while maintaining adequate cooking quality and consumer acceptability.

Item Details

Item Type:Refereed Article
Keywords:consumer acceptability, cooking quality, in vitro starch digestibility, pasta, sorghum
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Food sciences
Research Field:Food chemistry and food sensory science
Objective Division:Plant Production and Plant Primary Products
Objective Group:Grains and seeds
Objective Field:Sorghum
UTAS Author:Yousif, AM (Dr Adel Yousif)
ID Code:136763
Year Published:2014
Web of Science® Times Cited:20
Deposited By:Agriculture and Food Systems
Deposited On:2020-01-17
Last Modified:2020-03-26
Downloads:0

Repository Staff Only: item control page