Modelling the effects of orange pomace using response surface design for gluten-free bread baking
2015
O’Shea, N. | Rößle, C. | Arendt, E. | Gallagher, E.
The development of gluten-free bread creates many challenges; producing bread that will match the properties of its wheat counterpart can be difficult. Fruit by-products are know from literature to contain a high level of dietary fibre which could improve the bread properties and fibre contents of gluten-free bread.Therefore, a mathematical design was created; three variables were identified from preliminary tests (water (85–100% flour weight, OP 0–8% flour weight and proofing time 35–100min) as being crucial in the development of acceptable bread.Results illustrated longer proofing times (p<0.05) and lower orange pomace levels (OP) (p<0.001) produced a bread with a greater specific volume. OP had the most significant (p<0.0001) effect on hardness at 2h and 24h post-baking. The optimised formulation was calculated to contain 5.5% OP, 94.6% water and a proofing time of 49min. Total fibre content of the control bread (2.1%) was successfully increased to 3.9% in the OP containing bread. Substituting gluten-free flours with orange pomace flour can help improve the total dietary intake of a coeliac while not negating on the quality properties of the bread.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by National Agricultural Library