Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars

Studies involving the use of composite flour for baked goods are unending for reasons such as high quest for functional foods, unsustainable wheat import and nutritional enhancement of baked goods. In this study, cassava flour (CF) was differently treated: roasted (Cr), fermented (Cf), oven dried (C...

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Main Authors: G. I. Agbara, B. Babagana
Format: Article
Language:English
Published: University of Maiduguri 2022-12-01
Series:Arid Zone Journal of Engineering, Technology and Environment
Subjects:
Online Access:https://azojete.com.ng/index.php/azojete/article/view/669/391
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author G. I. Agbara
B. Babagana
author_facet G. I. Agbara
B. Babagana
author_sort G. I. Agbara
collection DOAJ
description Studies involving the use of composite flour for baked goods are unending for reasons such as high quest for functional foods, unsustainable wheat import and nutritional enhancement of baked goods. In this study, cassava flour (CF) was differently treated: roasted (Cr), fermented (Cf), oven dried (Co) and sundried (Cs) before separately blended with flours from de-braned, hammer milled Nigerian wheat varieties, Norman (Wn) and Atilla (Wa) in the ratio of 75:25. The blends (8) were used to bake breads. Refined commercial wheat flour bread was the control. The breads and the flour blends were evaluated for physical, chemical and sensory qualities using standard procedures. Results revealed that the blends had higher ash (0.57-1.31%) and carbohydrate (76.69-81.03%), lower moisture (8.27-10.30%), protein (6.91-10.10%) and crude fat (1.28-2.45%) and desirable higher water and oil absorption capacities (0.85-1.30mg/g) and (1.16-1.40g/g) respectively. There were improvements in the swelling power (6.91-10.10g/g) and solubility (4.00-7.00%) due to CF addition. The ash, protein, and fibre of the treated breads were higher, while the carbohydrate and fat were lower than in the wheat bread. Specific loaf volume (SLV) of wheat bread (2.58ml/g) and bread with oven dried CF (2.61ml/g) were higher; others had lower SLV not significantly different from each other (p>0.05). There were significant increase(p<0.5) in the mineral contents of the composite bread, more in the bread with sun and oven dried CF. The least amounts were recorded in the breads containing fermented CF for obvious reasons. As for wheat flour and the flour blends, they varied respectively: K 84.04-140.56, Ca 20.29-38.79, Mg 17 51-32.32, Fe 2.26-4.91 and Zn 1.40-2.59 (mg/100g) greater in the blends. As for the breads, significant variations were K 157.36-296.29, Ca 22.61-60.94, Mg 32.78-70.54, Fe 2.98-7.47, and Zn 1.56-7.47 (mg/100g) lower in wheat bread and bread containing fermented CF. Wheat bread had superior sensory attributes followed by bread with oven-dried CF but the bread with fermented CF had the poorest sensory ranking. The composite bread had better nutritive value and poorer sensory properties, demanding the use of flavour enhancing agents in order to mask the unpleasant fermented taste and aroma. Addition of dry heat treated CF to wheat flour (25:75) produced bread with overall quality comparable to wheat bread.
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spelling doaj.art-f2aea8475e4b4730a63c27830cd573752023-01-28T17:22:21ZengUniversity of MaiduguriArid Zone Journal of Engineering, Technology and Environment2545-58182022-12-01184555574Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat CultivarsG. I. Agbara0B. Babagana1Department of Food Science and Technology, University of Maiduguri, NigeriaDepartment of Food Science and Technology, University of Maiduguri, NigeriaStudies involving the use of composite flour for baked goods are unending for reasons such as high quest for functional foods, unsustainable wheat import and nutritional enhancement of baked goods. In this study, cassava flour (CF) was differently treated: roasted (Cr), fermented (Cf), oven dried (Co) and sundried (Cs) before separately blended with flours from de-braned, hammer milled Nigerian wheat varieties, Norman (Wn) and Atilla (Wa) in the ratio of 75:25. The blends (8) were used to bake breads. Refined commercial wheat flour bread was the control. The breads and the flour blends were evaluated for physical, chemical and sensory qualities using standard procedures. Results revealed that the blends had higher ash (0.57-1.31%) and carbohydrate (76.69-81.03%), lower moisture (8.27-10.30%), protein (6.91-10.10%) and crude fat (1.28-2.45%) and desirable higher water and oil absorption capacities (0.85-1.30mg/g) and (1.16-1.40g/g) respectively. There were improvements in the swelling power (6.91-10.10g/g) and solubility (4.00-7.00%) due to CF addition. The ash, protein, and fibre of the treated breads were higher, while the carbohydrate and fat were lower than in the wheat bread. Specific loaf volume (SLV) of wheat bread (2.58ml/g) and bread with oven dried CF (2.61ml/g) were higher; others had lower SLV not significantly different from each other (p>0.05). There were significant increase(p<0.5) in the mineral contents of the composite bread, more in the bread with sun and oven dried CF. The least amounts were recorded in the breads containing fermented CF for obvious reasons. As for wheat flour and the flour blends, they varied respectively: K 84.04-140.56, Ca 20.29-38.79, Mg 17 51-32.32, Fe 2.26-4.91 and Zn 1.40-2.59 (mg/100g) greater in the blends. As for the breads, significant variations were K 157.36-296.29, Ca 22.61-60.94, Mg 32.78-70.54, Fe 2.98-7.47, and Zn 1.56-7.47 (mg/100g) lower in wheat bread and bread containing fermented CF. Wheat bread had superior sensory attributes followed by bread with oven-dried CF but the bread with fermented CF had the poorest sensory ranking. The composite bread had better nutritive value and poorer sensory properties, demanding the use of flavour enhancing agents in order to mask the unpleasant fermented taste and aroma. Addition of dry heat treated CF to wheat flour (25:75) produced bread with overall quality comparable to wheat bread.https://azojete.com.ng/index.php/azojete/article/view/669/391cassava flourfermentationdry heat treatmentnigerian wheat cultivarswheat-cassava breadminerals
spellingShingle G. I. Agbara
B. Babagana
Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
Arid Zone Journal of Engineering, Technology and Environment
cassava flour
fermentation
dry heat treatment
nigerian wheat cultivars
wheat-cassava bread
minerals
title Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
title_full Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
title_fullStr Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
title_full_unstemmed Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
title_short Effects of Differently Treated Cassava Flours Blended with Bambara Groundnut Flour on the Bread Making Potential of Two Nigerian Wheat Cultivars
title_sort effects of differently treated cassava flours blended with bambara groundnut flour on the bread making potential of two nigerian wheat cultivars
topic cassava flour
fermentation
dry heat treatment
nigerian wheat cultivars
wheat-cassava bread
minerals
url https://azojete.com.ng/index.php/azojete/article/view/669/391
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