Sensory Attributes of Composite Breads from Shelf Storable Orange-Fleshed Sweetpotato Puree
Technological advances in baking have enabled the use of bread as a food vehicle for various nutrients through use of composite flours. Orange-fleshed sweetpotato (OFSP) puree subjected to cold chain storage has been used to enrich bread with beta-carotene. However, this has proven expensive and inconsistent in supply of puree. This study sought to develop shelf-storable OFSP puree bread with similar sensory qualities to fresh OFSP puree bread. Bread in which two treatments of shelf-storable OFSP puree (treatments 1 and 2 with 0.5% potassium sorbate+0.5% sodium benzoate+1% citric acid and 0.2% potassium sorbate+0.2% sodium benzoate+1%citric acid respectively) were incorporated at 30% and 40% and were subjected to descriptive sensory analysis with white and fresh puree breads as controls. The results indicate that both the 40% and 30% wheat substitution with either treatment 1 or 2 OFSP puree bread are acceptable to the consumers, p<0.05. The saltiness, smoothness and crumb color scores for shelfstorable OFSP puree bread were similar to those of fresh puree bread but were significantly (p<0.05) higher than that of white bread. Shelf-storable OFSP puree bread had similar sensory profile to fresh OFSP puree bread thus can be exploited as an alternative to fresh puree bread.
Main Authors: | Muzhingi, Tawanda, Owade, Joshua Ombaka, Abong, George Ooko, Okoth, Michael Wandayi, Heck, Simon, Low, Jan, Mbogo, Daniel, Malavi, Derrick |
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Format: | Journal Article biblioteca |
Published: |
Walter de Gruyter GmbH
2018-11-01
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Subjects: | sweet potatoes, |
Online Access: | https://hdl.handle.net/10568/129391 https://doi.org/10.1515/opag-2018-0051 |
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