Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread

Increasing interest in consuming insects is accelerating the expansion of the fortified snacks market. However, there is limited knowledge of the drivers of consumers to appreciate the role of desert locust [DL] Schistocerca gregaria Forskål as emerging functional ingredient for use in the food indu...

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Main Authors: Chrysantus M. Tanga, Antonny M. Nzomo, Paul N. Ndegwa, Sunday Ekesi, Fathiya M. Khamis, Komivi S. Akutse, George Ong'amo, Brian O. Ochieng, Margaret Kababu, Dennis Beesigamukama, Shaphan Y. Chia, J․Ghemoh Changeh, Sevgan Subramanian, Thomas Dubois, Segenet Kelemu
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:Applied Food Research
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Online Access:http://www.sciencedirect.com/science/article/pii/S277250222500112X
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author Chrysantus M. Tanga
Antonny M. Nzomo
Paul N. Ndegwa
Sunday Ekesi
Fathiya M. Khamis
Komivi S. Akutse
George Ong'amo
Brian O. Ochieng
Margaret Kababu
Dennis Beesigamukama
Shaphan Y. Chia
J․Ghemoh Changeh
Sevgan Subramanian
Thomas Dubois
Segenet Kelemu
author_facet Chrysantus M. Tanga
Antonny M. Nzomo
Paul N. Ndegwa
Sunday Ekesi
Fathiya M. Khamis
Komivi S. Akutse
George Ong'amo
Brian O. Ochieng
Margaret Kababu
Dennis Beesigamukama
Shaphan Y. Chia
J․Ghemoh Changeh
Sevgan Subramanian
Thomas Dubois
Segenet Kelemu
author_sort Chrysantus M. Tanga
collection DOAJ
description Increasing interest in consuming insects is accelerating the expansion of the fortified snacks market. However, there is limited knowledge of the drivers of consumers to appreciate the role of desert locust [DL] Schistocerca gregaria Forskål as emerging functional ingredient for use in the food industry. Here, we evaluated the nutrient profile and functional properties of wheat breads fortified with powder from captive mass reared DL. The crude protein values of processed DL meal fed on three different food plants ranged between 40 and 56 %. The specific volume and firmness of the breads correlated positively and negatively, respectively, with incremental levels of DL flour. The brightness of the breads’ crumb and crust decreased, while the colour differences and the redness progressively increased with DL flour inclusion levels. Protein, fat, ash and amino acid content were significantly higher in bread fortified with DL flour. Calcium, iron and zinc levels were 2.0–2.5, 1.1–1.3 and 1.1–1.3-fold higher, respectively, in breads fortified with DL. The most pleasant aroma compounds were pronounced in the breads enriched with DL. This work demonstrated that DL meal can be integrated into wholesome yeast-leavened products to strengthen the growing consciousness of end-users towards innovative and sustainable use of these products in food relief programs to overcome malnutrition.
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spelling doaj-art-122f470da7eb4d5285bd7202e925fe582025-08-20T03:45:15ZengElsevierApplied Food Research2772-50222025-06-015110080210.1016/j.afres.2025.100802Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat breadChrysantus M. Tanga0Antonny M. Nzomo1Paul N. Ndegwa2Sunday Ekesi3Fathiya M. Khamis4Komivi S. Akutse5George Ong'amo6Brian O. Ochieng7Margaret Kababu8Dennis Beesigamukama9Shaphan Y. Chia10J․Ghemoh Changeh11Sevgan Subramanian12Thomas Dubois13Segenet Kelemu14International Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, Kenya; Corresponding author.International Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, Kenya; Department of Zoology, University of Nairobi, P.O. Box 30197-00100, Nairobi, KenyaDepartment of Zoology, University of Nairobi, P.O. Box 30197-00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, Kenya; Department of Zoology, University of Nairobi, P.O. Box 30197-00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, Kenya; Unit for Environmental Sciences and Management, North-West University, Potchefstroom, 2520, South AfricaDepartment of Zoology, University of Nairobi, P.O. Box 30197-00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre for Tropical Agriculture (CIAT), P.O. Box 823 – 00621, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaInternational Centre of Insect Physiology and Ecology, P.O. Box 30772–00100, Nairobi, KenyaIncreasing interest in consuming insects is accelerating the expansion of the fortified snacks market. However, there is limited knowledge of the drivers of consumers to appreciate the role of desert locust [DL] Schistocerca gregaria Forskål as emerging functional ingredient for use in the food industry. Here, we evaluated the nutrient profile and functional properties of wheat breads fortified with powder from captive mass reared DL. The crude protein values of processed DL meal fed on three different food plants ranged between 40 and 56 %. The specific volume and firmness of the breads correlated positively and negatively, respectively, with incremental levels of DL flour. The brightness of the breads’ crumb and crust decreased, while the colour differences and the redness progressively increased with DL flour inclusion levels. Protein, fat, ash and amino acid content were significantly higher in bread fortified with DL flour. Calcium, iron and zinc levels were 2.0–2.5, 1.1–1.3 and 1.1–1.3-fold higher, respectively, in breads fortified with DL. The most pleasant aroma compounds were pronounced in the breads enriched with DL. This work demonstrated that DL meal can be integrated into wholesome yeast-leavened products to strengthen the growing consciousness of end-users towards innovative and sustainable use of these products in food relief programs to overcome malnutrition.http://www.sciencedirect.com/science/article/pii/S277250222500112XLocust rearingProcessed locust powderFunctional ingredientsWheat bread fortificationAroma compoundsFood security
spellingShingle Chrysantus M. Tanga
Antonny M. Nzomo
Paul N. Ndegwa
Sunday Ekesi
Fathiya M. Khamis
Komivi S. Akutse
George Ong'amo
Brian O. Ochieng
Margaret Kababu
Dennis Beesigamukama
Shaphan Y. Chia
J․Ghemoh Changeh
Sevgan Subramanian
Thomas Dubois
Segenet Kelemu
Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
Applied Food Research
Locust rearing
Processed locust powder
Functional ingredients
Wheat bread fortification
Aroma compounds
Food security
title Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
title_full Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
title_fullStr Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
title_full_unstemmed Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
title_short Desert locust (Schistocerca gregaria) flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
title_sort desert locust schistocerca gregaria flour as an emerging functional ingredient for baking flavorful and nutritious whole wheat bread
topic Locust rearing
Processed locust powder
Functional ingredients
Wheat bread fortification
Aroma compounds
Food security
url http://www.sciencedirect.com/science/article/pii/S277250222500112X
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