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Article
Publication date: 26 March 2021

Sami A. Althwab, Raghad M. Alhomaid, Rehab F. M. Ali, Ayman Mohammed El-Anany and Hassan M. Mousa

The effects of incorporation of Locusta migratoria (LM) powder at different levels (0, 1, 2, 3, 4 and 5%) on nutritional, qualitative and sensory properties of baked breads were…

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Abstract

Purpose

The effects of incorporation of Locusta migratoria (LM) powder at different levels (0, 1, 2, 3, 4 and 5%) on nutritional, qualitative and sensory properties of baked breads were investigated.

Design/methodology/approach

Chemical composition, mineral elements and functional properties of wheat flour, LM powder and their binary mixture systems were determined. The breads were assayed for proximate composition, minerals, amino acids profile, physical characteristics and sensorial properties.

Findings

LM powder have relatively high levels of protein (51.97% db), fat (23.15% db) and fibers (13.76% db). LM powder presented significantly (p ≤ 0.05) greater water absorption capacity (WAC), oil absorption capacity(OAC), emulsion activity (EA) and foam capacity (FC) as compared to wheat flour. Blending wheat flour with various levels of LM powder significantly (p ≤ 0.05) improved the functional properties of binary mixture systems. Protein, fat, fiber and ash contents of bread samples significantly increased with the addition of LM powder. No significant differences (≤ 0.05) were recorded in specific volume between control breads and those breads containing LM powder up to 2%. Breads fortified with LM powder contained higher values of essential amino acids than the limits of FAO/WHO pattern, with exception of lysine. Sensory evaluation results showed that bread samples with the addition of LM powder at levels 1–4% had high overall acceptability.

Research limitations/implications

Limitations of our study are the lack of approved and professional programs about management, collection, harvesting, processing, marketing and consumption of edible insects; therefore, these results should be generalized implications for industry. This present study, therefore, provides useful data to support public health nutrition aimed at improving the nutritional health of populations through the promotion of bakery products enriched with LM powder.

Practical implications

The main findings of this study indicated that the addition of 1–4% of LM powder into wheat flour enhanced sensory and nutritional properties of produced breads.

Originality/value

It is concluded that the addition of LM powder improves the nutritional and sensorial properties of the produced bread when the wheat flour is substituted with 1–4% of LM powder.

Details

British Food Journal, vol. 123 no. 11
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 11 January 2023

Akram M. Mohammed, Ayman Mohammed El-Anany, Sami A. Althwab, Raghad M. Alhomaid, Hend F. Alharbi, Reham M. ALgheshairy and Rehab F.M. Ali

The purpose of this current investigation is to evaluate the effect of adding different levels of cheeseweed Malva parviflora L. mallow leaves powder (MPLP) on the nutritional and…

156

Abstract

Purpose

The purpose of this current investigation is to evaluate the effect of adding different levels of cheeseweed Malva parviflora L. mallow leaves powder (MPLP) on the nutritional and quality characteristics of bread.

Design/methodology/approach

Wheat flour was partially replaced with MPLP at 0%, 1%, 2%, 3%, 4% and 5% levels to obtain the wheat– MPLP composite flour. Chemical composition, phenolics, flavonoids and antioxidant activity by 2,2-diphenyl-1-picrylhydrazyl of wheat flour and MPLP were determined. Physicochemical and sensory characteristics of bread enriched with various levels of MPLP were evaluated.

Findings

MPLP contains 23.9% of protein, 10.1% of crude fiber and 9.8% of ash, respectively. MPLP had a significantly higher concentration of micronutrients than wheat flour. The content of total phenolics, flavonoids as well as free radical scavenging activity of MPLP were 17.6, 38.2 and 6.0 fold, respectively, higher compared to wheat flour. Protein content in bread samples increased with the addition of the MPLP in a range of 1.2%–6.6%. The increasing replacement of MPLP in the composite flours resulted in progressively higher dietary fiber and ash contents for fortified bread samples. The higher level of MPLP reduced the specific volume of fortified breads. The highest scores for the sensory attributes were noted for bread samples fortified with 2% and 3% of MPLP, whereas the lowest scores for bread samples fortified with 4% and 5% MPLP.

Research limitations/implications

Supplementation of wheat bread with different levels of MPLP resulted in significant increases in macro and microelements of fortified breads.

Originality/value

Supplementation of wheat bread with different levels of cheeseweed Mallow (Malva parviflora L.) leaves powder resulted in significant increases in macro and microelements of fortified breads.

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Article
Publication date: 21 September 2021

Rehab F.M. Ali, Sami A. Althwab, Hani A. Alfheeaid, Ayman Mohammed El-Anany, Raghad M. Alhomaid and Hend F. Alharbi

Soaked–dehulled moth bean seed (SDMBS) powder was incorporated into wheat flour and the paper aims to investigate its effects on the nutritional and quality properties of…

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Abstract

Purpose

Soaked–dehulled moth bean seed (SDMBS) powder was incorporated into wheat flour and the paper aims to investigate its effects on the nutritional and quality properties of composite bread.

Design/methodology/approach

Different ratios of SDMBS powder (0%–12.5%) were mixed into wheat flour to prepare composite bread. Proximate composition, mineral content and functional properties of SDMBS powder and wheat flour were studied. The composite bread samples were assayed for proximate composition, mineral nutrients, amino acid composition, physical characteristics as well as sensorial properties.

Findings

Protein and ash contents of SDMBS powder were found to be 2.15 and 5.69 fold higher than wheat flour. Water absorption capacity (WAC), oil absorption capacity (OAC), (FC) and emulsion activity (EA) values of SDMBS powder were also 1.63, 1.78, 4.43 and 1.58 times higher than wheat flour, respectively. The inclusion of different levels of SDMBS powder into wheat flour significantly (p = 0.05) increased the functional properties of composite flours. Bread samples fortified with SDMBS powder exhibited higher values of essential amino acids than the recommendations of World Health Organization/Food and Agriculture Organization/United Nations University (2007). The bread samples containing 10% and 12.5% of SDMBS powder provided 39.23% and 41.15% of the recommended lysine level, respectively. The addition of a higher proportion of SDMBS powder into wheat flour gradually increased the protein and ash contents of the bread samples. Control sample without SDMBS powder (0%) and samples fortified containing 2.5% and 5% of SDMBS powder received the highest scores of overall acceptance, whereas the bread sample with the highest SDMBS powder (12.5%) content received the lowest scores.

Research limitations/implications

The main findings of the current investigation indicated that the addition of 2.5–5% of SDMBS powder into wheat flour enhanced the nutritional and quality characteristics of wheat bread.

Originality/value

SDMBS powder could be incorporated into refined wheat bread to achieve functional bread with significantly higher protein content.

Details

British Food Journal, vol. 124 no. 5
Type: Research Article
ISSN: 0007-070X

Keywords

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