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Ouango M, Cissé H, Romba R, Drabo SF, Semdé R, Savadogo A, Gnankiné O. Entomotherapy as an alternative treatment for diseases due to Gram-negative bacteria in Burkina Faso. Sci Rep 2024; 14:7. [PMID: 38167478 PMCID: PMC10762221 DOI: 10.1038/s41598-023-50622-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
Insects are known for their harmful effects. However, they also benefit humans, animals, plants, and ecosystems. Its beneficial uses include entomophagy and entomotherapy. This study aimed to evaluate the antibacterial activity of insect extracts against Gram-negative bacteria. Antibacterial activities of thirteen crude extracts of medicinal insects were tested against twelve Gram-negative bacteria by diffusion on agar. Imipenem was used as an antibiotic for positive control. The thirteen extracts acted differently against certain Gram-negative bacteria. The largest inhibition diameter was for extracts of Cirina butyrospermi and Mylabris variabilis against Pseudomonas aeruginosa ATCC27853 and Salmonella enteritidis ATCC13076, respectively. The diameters of inhibition obtained using imipenem against these same bacterial strains were 13.0 ± 0.0 mm and 22 ± 1.0 mm, respectively. The lowest inhibition diameter (7.5 ± 0.0 mm) was obtained using Anopheles gambiae extract against Salmonella Typhimurium ATCC14028. Imipenem was active on all strains tested. The highest values of the index multi-resistance to insect's extracts were reported for Pseudomonas aeruginosa ATCC9027 and Serratia odorifera 652411. Overall, the results of this study confirmed the antibacterial activities of insects used by traditional health practitioners to treat different pathologies. Entomotherapy could be an alternative treatment for certain infectious pathologies caused by gram-negative bacteria.
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Affiliation(s)
- Mamadou Ouango
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso.
- Laboratoire de Biochimie et Immunologie Appliquées, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso.
- Laboratoire du Développement du Médicament, Centre de Formation, de Recherche et d'Expertise en Sciences du Médicament, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso.
| | - Hama Cissé
- Laboratoire de Biochimie et Immunologie Appliquées, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Rahim Romba
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Samuel Fogné Drabo
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Rasmané Semdé
- Laboratoire du Développement du Médicament, Centre de Formation, de Recherche et d'Expertise en Sciences du Médicament, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Aly Savadogo
- Laboratoire de Biochimie et Immunologie Appliquées, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Olivier Gnankiné
- Laboratoire d'Entomologie Fondamentale et Appliquée, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
- Laboratoire du Développement du Médicament, Centre de Formation, de Recherche et d'Expertise en Sciences du Médicament, Université Joseph KI ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
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Cantalapiedra F, Juan-García A, Juan C. Perception of Food Safety Associated with Entomophagy among Higher-Education Students: Exploring Insects as a Novel Food Source. Foods 2023; 12:4427. [PMID: 38137231 PMCID: PMC10743155 DOI: 10.3390/foods12244427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Edible insects can diversify diets, improve livelihoods, contribute to food and nutrition security, and have a smaller ecological impact. The European Union has categorized insects as novel food, and recently, in 2021 and 2022, two species, Tenebrio molitor and Acheta domesticus, were authorized for commercialization. The acceptance and perception of food risk derived from insect consumption vary depending on factors impacting insect consumption acceptability, including neophobic tendencies, gender differences, familiarity, and gastronomic perceptions. The aim of this work was to evaluate the perception and acceptance of edible insects by exploring these factors. This study was carried out on higher-education students from universities in Valencia (Spain). The students recognized insects' high nutritional value, particularly protein content, and had varying levels of knowledge about specific nutritional components. In terms of labeling and marketing, removing health and sustainability benefits from packaging can improve consumer responses. Most respondents prefer clear labeling of insect derivatives, quality certification seals, and complete information about insect content. Students consider marketing and knowledge to be significant influencers of insect consumption. In summary, this text highlights the multifaceted nature of insect consumption acceptability. These insights offer valuable perspectives on insect consumption dynamics.
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Affiliation(s)
- Fernando Cantalapiedra
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain; (F.C.); (C.J.)
- Veterinary Area of Public Health Center (CSP) Manises (Conselleria Sanitat-Generalitat Valenciana), C. Ceramista Alfons Blat s/n, Manises, 46940 Valencia, Spain
| | - Ana Juan-García
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain; (F.C.); (C.J.)
| | - Cristina Juan
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain; (F.C.); (C.J.)
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Siddiqui SA, Tettey E, Yunusa BM, Ngah N, Debrah SK, Yang X, Fernando I, Povetkin SN, Shah MA. Legal situation and consumer acceptance of insects being eaten as human food in different nations across the world-A comprehensive review. Compr Rev Food Sci Food Saf 2023; 22:4786-4830. [PMID: 37823805 DOI: 10.1111/1541-4337.13243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 08/06/2023] [Accepted: 08/28/2023] [Indexed: 10/13/2023]
Abstract
Insect consumption is a traditional practice in many countries. Currently, the urgent need for ensuring food sustainability and the high pressure from degrading environment are urging food scientists to rethink the possibility of introducing edible insects as a promising food type. However, due to the lack of the standardized legislative rules and the adequate scientific data that demonstrate the safety of edible insects, many countries still consider it a grey area to introduce edible insects into food supply chains. In this review, we comprehensively reviewed the legal situation, consumer willingness, acceptance, and the knowledge on edible insect harvesting, processing as well as their safety concerns. We found that, despite the great advantage of introducing edible insects in food supply chains, the legal situation and consumer acceptance for edible insects are still unsatisfactory and vary considerably in different countries, which mostly depend on geographical locations and cultural backgrounds involving psychological, social, religious, and anthropological factors. Besides, the safety concern of edible insect consumption is still a major issue hurdling the promotion of edible insects, which is particularly concerning for countries with no practice in consuming insects. Fortunately, the situation is improving. So far, some commercial insect products like energy bars, burgers, and snack foods have emerged in the market. Furthermore, the European Union has also recently issued a specific item for regulating new foods, which is believed to establish an authorized procedure to promote insect-based foods and should be an important step for marketizing edible insects in the near future.
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Affiliation(s)
- Shahida Anusha Siddiqui
- Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
- German Institute of Food Technologies (DIL e.V.), D-Quakenbrück, Germany
| | - Elizabeth Tettey
- Council for Scientific and Industrial Research - Oil Palm Research Institute, Sekondi, Takoradi W/R, Ghana
| | | | - Norhayati Ngah
- Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, Besut, Terengganu, Malaysia
| | - Shadrack Kwaku Debrah
- Department of Horticulture and Crop Production, University of Energy and Natural Resources, Sunyani, Ghana
| | - Xi Yang
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, Minato-ku, Tokyo, Japan
| | - Ito Fernando
- Department of Plant Pest and Diseases, Faculty of Agriculture, Universitas Brawijaya, Malang, East Java, Indonesia
| | | | - Mohd Asif Shah
- Department of Economics, Kabridahar University, Kabridahar, Somali, Ethiopia
- School of Business, Woxsen University, Hyderabad, India
- Division of Research and Development, Lovely Professional University, Phagwara, Punjab, India
- Research Fellow, INTI International University, Nilai, Negeri Sembilan, Malaysia
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Mwelwa S, Chungu D, Tailoka F, Beesigamukama D, Tanga CM. Data to understand the biotransfer of heavy metals along the soil-plant-edible insect-human food chain in Africa. Data Brief 2023; 49:109434. [PMID: 37538953 PMCID: PMC10393738 DOI: 10.1016/j.dib.2023.109434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 08/05/2023] Open
Abstract
Data on the biotransfer of heavy metals along the soil-plant-edible insect-human food chain collected along a 60km pollution gradient is presented here. These datasets consists of concentrations of eight heavy metals (Arsenic, Cadmium, Copper, Chromium, Iron, Nickel, Lead and Zinc) in the soils, in five host plants species, and in seven edible insect species determined using Atomic Absorption Spectrophotometry (AAS). Datasets for the daily intake of metals and target hazard quotients for each edible insect species are also given. These data demonstrate the potential biotransfer of heavy metals along the soil-plant-edible insect-human food chain, and that edible insects harvested in heavy metal-polluted environments could pose serious health risks. These datasets provide further understanding of the relationships among metal concentrations in the soils, host plants and edible insects, particularly in the mining regions. For further details, refer to the article, "Biotransfer of heavy metals along the soil-plant-edible insect-human food chain in Africa" Mwelwa et al., [1].
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Affiliation(s)
- Susan Mwelwa
- Biology Department, School of Graduate Studies, Copperbelt University, P.O Box 21692, Kitwe, Zambia
| | - Donald Chungu
- Cavendish University, Corner of Great North and Washama Roads, Villa Elizabeth, Zambia
| | | | - Dennis Beesigamukama
- International Center for Insect Physiology and Ecology, P.O Box 30772-00100, Nairobi, Kenya
| | - Chrysantus M. Tanga
- International Center for Insect Physiology and Ecology, P.O Box 30772-00100, Nairobi, Kenya
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5
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Mwelwa S, Chungu D, Tailoka F, Beesigamukama D, Tanga C. Biotransfer of heavy metals along the soil-plant-edible insect-human food chain in Africa. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163150. [PMID: 37001659 DOI: 10.1016/j.scitotenv.2023.163150] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/09/2023] [Accepted: 03/25/2023] [Indexed: 06/01/2023]
Abstract
Although mining is Zambia's major economic activity, it is implicated in environmental contamination, particularly with heavy metals. This study investigated the accumulation and transfer of heavy metals along the soil-plant-edible insect-human food chain. Our results revealed the presence of eight heavy metals (Arsenic, Cadmium, Chromium, Copper, Iron, Nickel, Lead, and Zinc) with a 28-60 % increase in soil concentrations at the proximity of the mining facilities. There was a higher accumulation of Cd, Cu, Ni, Fe, Pb, and Zn than As and Cr in plant species near the mine. Among the insect species studied, C. forda accumulated nickel significantly higher (70-81 %), I. obscura had higher cadmium (2-84 %) and lead (10-79 %), while I. rubra and M. falciger accumulated higher iron (41-96 %) and zinc (1-67 %), respectively, than other insect species. The quantity of I. obscura consumed (248 g person-1 day-1) was significantly higher (9-37 %) than other insect species. It was noted that the consumption of insects increased the daily intake of heavy metals, enhanced the target hazard quotient, and increased the associated health risks by up to 9 folds compared to the WHO permissible limits meaning that the daily intake of metals consumed depends on the daily quantity of insects consumed. Our findings suggest that the accumulation of heavy metals along the soil-plant-edible insect-human food chain could pose severe human and environmental health risks along the mining gradients. The potential consequences of heavy metal mobility in the consumer trophic levels and the ecotoxicological consequences are particularly concerning. Furthermore, physiological and biological studies are needed to investigate the abovementioned effects.
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Affiliation(s)
- Susan Mwelwa
- School of Graduate Studies, Copperbelt University, P.O Box 21692, Kitwe, Zambia
| | - Donald Chungu
- Cavendish University, Corner of Great North and Washama Roads, Villa Elizabeth, Zambia
| | | | - Dennis Beesigamukama
- International Center for Insect Physiology and Ecology, P.O Box 30772-00100, Nairobi, Kenya
| | - Chrysantus Tanga
- International Center for Insect Physiology and Ecology, P.O Box 30772-00100, Nairobi, Kenya.
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6
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Aidoo OF, Osei-Owusu J, Asante K, Dofuor AK, Boateng BO, Debrah SK, Ninsin KD, Siddiqui SA, Chia SY. Insects as food and medicine: a sustainable solution for global health and environmental challenges. Front Nutr 2023; 10:1113219. [PMID: 37388630 PMCID: PMC10303143 DOI: 10.3389/fnut.2023.1113219] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 05/22/2023] [Indexed: 07/01/2023] Open
Abstract
Insects are a significant source of food for millions of people worldwide. Since ancient times, insects in medicine have been contributing to the treatment of diseases in humans and animals. Compared to conventional animal farming, the production of insects for food and feed generates significantly less greenhouse gas emissions and uses considerably less land. Edible insects provide many ecosystem services, including pollination, environmental health monitoring, and the decomposition of organic waste materials. Some wild edible insects are pests of cash crops. Thus, harvesting and consuming edible insect pests as food and utilizing them for therapeutic purposes could be a significant progress in the biological control of insect pests. Our review discusses the contribution of edible insects to food and nutritional security. It highlights therapeutic uses of insects and recommends ways to ensure a sustainable insect diet. We stress that the design and implementation of guidelines for producing, harvesting, processing, and consuming edible insects must be prioritized to ensure safe and sustainable use.
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Affiliation(s)
- Owusu Fordjour Aidoo
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Jonathan Osei-Owusu
- Department of Physical and Mathematical Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Kwasi Asante
- Coconut Research Programme, Council for Scientific and Industrial Research, Sekondi, Ghana
| | - Aboagye Kwarteng Dofuor
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | | | - Shadrack Kwaku Debrah
- Department of Horticulture and Crop Production Sunyani, University of Energy and Natural Resources, Sunyani, Ghana
| | - Kodwo Dadzie Ninsin
- Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana
| | - Shahida Anusha Siddiqui
- Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
- German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Shaphan Yong Chia
- Laboratory of Entomology, Wageningen University & Research, Wageningen, Netherlands
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Wanjala MN, Orinda M, Nyongesah JM, Tanga CM, Subramanian S, Kassie M, Egonyu JP. Socio-cultural practices on the use of beetle grubs as food and feed in western Kenya. Sci Rep 2023; 13:7805. [PMID: 37179403 PMCID: PMC10182986 DOI: 10.1038/s41598-023-34264-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
We examined the socio-cultural practices on the use of beetle grubs as food and feed in western Kenya by interviewing 211 randomly selected households and conducting seven focus group discussions in Bungoma, Kakamega, Busia, and Trans Nzoia counties. The grubs were used as food and feed in ~ 39% and 78% of the households, respectively. The perceived benefits of the grubs for human consumption were nutritiousness and no linkage to allergies. The grubs were perceived to enhance animal weight gain and increase poultry egg laying. They were also perceived to recycle nutrients from organic waste, and clean the environment. Toasting and roasting were the dominant methods of preparing the grubs. Lack of knowledge on the grub nutritional benefits and stigma were key deterrents to their consumption. About 66% of the respondents expressed willingness to farm the grubs if the market and rearing protocols are available. Almost 98% of the respondents lacked knowledge of the beetle biology, indicating limited capacity to conserve them. The practices on the use of beetle grubs as food and feed differed across counties and by gender, age, marital status and education level. Strategies for sustainable use of the grubs as food and feed have been proposed and new research directions highlighted.
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Affiliation(s)
- Martin N Wanjala
- International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya
- Jaramogi Oginga, Odinga University of Science and Technology (JOOUST), P.O. Box 210-40601, Bondo, Kenya
| | - Mary Orinda
- Jaramogi Oginga, Odinga University of Science and Technology (JOOUST), P.O. Box 210-40601, Bondo, Kenya
| | - John M Nyongesah
- Jaramogi Oginga, Odinga University of Science and Technology (JOOUST), P.O. Box 210-40601, Bondo, Kenya
| | - Chrysantus M Tanga
- International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya
| | - Sevgan Subramanian
- International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya
| | - Menale Kassie
- International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya
| | - James P Egonyu
- International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya.
- Faculty of Science and Education, Busitema University, Tororo, Uganda.
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Matandirotya NR, Filho WL, Mahed G, Maseko B, Murandu CV. Edible Insects Consumption in Africa towards Environmental Health and Sustainable Food Systems: A Bibliometric Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14823. [PMID: 36429542 PMCID: PMC9690926 DOI: 10.3390/ijerph192214823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/05/2022] [Accepted: 11/06/2022] [Indexed: 06/16/2023]
Abstract
Africa is home to an estimated wild edible insect population of 1000 species that offer an opportunity for sustainable food systems while also improving food and nutrition security on the continent. Edible insect consumption has been part of African communities for a long time and forms part of their diets and cuisines, particularly within low-income households with limited resources. The purpose of our study was to investigate and review the contribution that edible insects can make towards the realisation of sustainable food systems, and environmental/planetary health including the fulfilment of Sustainable Development Goal number 2 (zero hunger). Our study applied a bibliometric analysis approach using VOS Viewer, a data mining software. The study established that the consumption of edible insects is still widespread across many African countries and therefore can be used as an avenue for improving environmental health and enhancing food systems on the continent through a reduction in meat-based diets. This, in the long term, will also reduce the emission of greenhouse gases such as carbon dioxide and methane from livestock production-related activities. Edible insects are also known to contain a high percentage nutrient content of proteins, fats and iron and, thus, can also play a vital role in reducing food insecurity and malnutrition, particularly within low-income households. Due to the existence of a high number of edible insect species on the continent, communities in Africa can easily access sources that can further be preserved using various indigenous techniques while also having minimal impact on the environment. In addition, being a source of nutritious food, edible insects can also be a source of establishing sustainable livelihoods, as well as being able to be commercialised, thus further creating employment opportunities and economic growth. Some of the notable edible insects in abundance on the continent include termites, ants, crickets and caterpillars. Our study recommends that Africa should commercialise edible insect production, in addition to preservation processing that leads to the eradication of perennial food insecurity and malnutrition and improves environmental health, as well as developing sustainable food systems. We also further recommend the establishment of food safety guidelines on edible insects as most African countries do not have such a plan in place currently.
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Affiliation(s)
- Newton R. Matandirotya
- Department of Geosciences, Faculty of Science, Nelson Mandela University, Port Elizabeth 6000, South Africa
- Centre for Climate Change Adaptation & Resilience, Kgotso Development Trust, Beitbridge P.O. Box 5, Zimbabwe
| | - Walter Leal Filho
- Research and Transfer Centre “Sustainable Development and Climate Change Management”, Hamburg University of Applied Sciences, Ulmenliet 20, D-21033 Hamburg, Germany
- Department of Natural Sciences, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK
| | - Gaathier Mahed
- Department of Geosciences, Faculty of Science, Nelson Mandela University, Port Elizabeth 6000, South Africa
| | - Basil Maseko
- Department of Food Science and Nutrition, Midlands State University, Gweru Private Bag 9055, Zimbabwe
| | - Cleophas V. Murandu
- National Anglican Theological College of Zimbabwe, 11 Thornburg Avenue, Mount Pleasant, Harare Private Bag 2503, Zimbabwe
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Séré A, Bougma A, Bazié BSR, Nikièma PA, Gnankiné O, Bassolé IHN. Nutritional and Functional Properties of Defatted Flour, Protein Concentrates, and Isolates of Brachytrupes membranaceus (Orthoptera: Gryllidae) (Drury: 1773) and Macrotermes subhyalinus (Isoptera: Blattodea) (Rambur: 1842) from Burkina Faso. INSECTS 2022; 13:764. [PMID: 36135465 PMCID: PMC9502247 DOI: 10.3390/insects13090764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/16/2022] [Accepted: 08/19/2022] [Indexed: 06/16/2023]
Abstract
Brachytrupes membranaceus and Macrotermes subhyalinus are edible insects in Burkina Faso. Our research aimed to evaluate the nutritional composition and functional properties of the defatted flours, protein concentrates, and isolates of Brachytrupes membranaceus and Macrotermes subhyalinus. Proximate and mineral composition were determined according to AOAC methods. The amino acid and fatty acid composition were determined by high-performance liquid chromatography (HPLC) and gas chromatography, respectively. The protein concentrates and isolates were obtained by solubilization, precipitation, and lyophilization. Macrotermes subhyalinus showed the highest protein (45.75 g/100 g), iron (11.76 mg/100 g), and zinc (13.18 mg/100 g) contents. The highest isoleucine and lysine contents, the best fat absorption (10.87 g/g), and foaming capacities (49.60%) were obtained with the isolate of Brachytrupes membranaceus. Consumption of Macrotermes subhyalinus could be used to fight or correct iron and zinc deficiencies. Macrotermes subhyalinus was a source of macronutrients and micronutrients, while the protein concentrates and isolates of Brachytrupes membranaceus were endowed with functional properties (fat absorption and foaming capacities).
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Affiliation(s)
- Aminata Séré
- Département de Biochimie Microbiologie, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
| | - Adjima Bougma
- Département de Biochimie Microbiologie, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
| | - Bazoin Sylvain Raoul Bazié
- Département de Biochimie Microbiologie, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
| | - Philippe Augustin Nikièma
- Département de Biochimie Microbiologie, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
| | - Olivier Gnankiné
- Département de Biologie et de Physiologie Animales, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
| | - Imael Henri Nestor Bassolé
- Département de Biochimie Microbiologie, Université Joseph KI-Zerbo, Ouagadougou 03 B.P. 7021, Burkina Faso
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Aidoo OF, Hao M, Ding F, Wang D, Jiang D, Ma T, Qian Y, Tettey E, Yankey N, Dadzie Ninsin K, Borgemeister C. The Impact of Climate Change on Potential Invasion Risk of Oryctes monoceros Worldwide. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.895906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
As a significant threat to agriculture, pests have caused a great disservice to crop production and food security. Understanding the mechanisms of pests’ outbreaks and invasion is critical in giving sound suggestions on their control and prevention strategies. The African rhinoceros beetle, Oryctes monoceros (Olivier), as the most damaging pest of palms, banana, sugarcane, and pineapple, severely threatens their production due to its ability to kill both young and matured hosts. Analyzing the effect of climate change on major parameters of O. monoceros life history has been an important issue recently, given its sensitivity to thermal conditions. However, information on how climate change alters geographical distribution of O. monoceros is poorly understood. By combining environmental variables and occurrence records, we were able to assess environmental risk factors for O. monoceros and create risk maps for the pest using the Boosted Regression Tree model. Our results significance of environmental variables showed that the annual temperature variation (39.45%), seasonality of temperature (23.00%), the isothermality (18.76%), precipitation of the hottest quarter months (6.07%), average variation of day time temperature (3.27%), were relatively important environmental factors that affected the distribution O. monoceros. We also found that the projected potential distributions of the pest’s habitats in all future global warming scenarios exceeded its present known distribution. The model predicts that habitat suitability for O. monoceros is predominantly concentrated along Africa’s west and east coastlines, Asia’s south coasts, South America’s north and east coasts, and a few locations spread over North America’s southern coasts and coastal regions. These outputs provide a solid theoretical foundation for O. monoceros risk evaluations and control.
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Guiné RPF, Florença SG, Costa CA, Correia PMR, Ferreira M, Duarte J, Cardoso AP, Campos S, Anjos O. Development of a Questionnaire to Assess Knowledge and Perceptions about Edible Insects. INSECTS 2021; 13:insects13010047. [PMID: 35055890 PMCID: PMC8780915 DOI: 10.3390/insects13010047] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 12/21/2021] [Accepted: 12/29/2021] [Indexed: 11/16/2022]
Abstract
Edible insects (EI) have been consumed as traditional foods in many parts of the globe, but in other regions, they are not readily accepted, particularly in Western countries. However, because EI are suggested to constitute a more sustainable protein food as compared with other sources of animal protein, they can be considered a future food that could help mitigate hunger and malnutrition. Additionally, new gastronomic trends are already targeting this area for exploring new potentialities. The objective of this work was to develop and validate a questionnaire to assess consumers’ perceptions and knowledge about EI in seven different domains: D1. Culture and Tradition, D2. Gastronomic Innovation and Gourmet Kitchen, D3. Environment and Sustainability, D4. Economic and Social Aspects, D5. Commercialization and Marketing, D6. Nutritional Aspects and D7. Health Effects. The 64 items were subjected to item analysis and reliability analysis for validation, and factor analysis was also conducted to identify a grouping structure. The results validated all the items of the seven subscales with high values of Cronbach’s alpha (α = 0.732 for D1, α = 0.795 for D2, α = 0.882 for D3, α = 0.742 for D4, α = 0.675 for D5, α = 0.799 for D6 and α = 0.788 for D7). However, by eliminating 17 items, the final values of the alpha increased in all subscales. Factor analysis with extraction by principal component analysis with varimax rotation extracted 14 factors that explained, in total, 65% of the variance, although the first two factors were the most important (35.7% variance explained). In conclusion, the confirmed usefulness of the questionnaire has been hereby validated for assessing consumer perceptions of and knowledge about EI.
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Affiliation(s)
- Raquel P. F. Guiné
- CERNAS—Research Centre for Natural Resources, Environment and Society, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (C.A.C.); (P.M.R.C.)
- Correspondence:
| | - Sofia G. Florença
- Faculty of Food and Nutrition Sciences, University of Porto, 4200-465 Porto, Portugal;
| | - Cristina A. Costa
- CERNAS—Research Centre for Natural Resources, Environment and Society, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (C.A.C.); (P.M.R.C.)
| | - Paula M. R. Correia
- CERNAS—Research Centre for Natural Resources, Environment and Society, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (C.A.C.); (P.M.R.C.)
| | - Manuela Ferreira
- Health Sciences Research Unit: Nursing (UICISA: E), Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (M.F.); (J.D.)
| | - João Duarte
- Health Sciences Research Unit: Nursing (UICISA: E), Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (M.F.); (J.D.)
| | - Ana P. Cardoso
- CIDEI—Centre for Studies in Education and Innovation, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (A.P.C.); (S.C.)
| | - Sofia Campos
- CIDEI—Centre for Studies in Education and Innovation, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal; (A.P.C.); (S.C.)
| | - Ofélia Anjos
- School of Agriculture, Polytechnic Institute of Castelo Branco, 6001-909 Castelo Branco, Portugal;
- Forest Research Centre, School of Agriculture, University of Lisbon, 1349-017 Lisbon, Portugal
- Centro de Biotecnologia de Plantas da Beira Interior, 6001-909 Castelo Branco, Portugal
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12
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Zhao M, Wang CY, Sun L, He Z, Yang PL, Liao HJ, Feng Y. Edible Aquatic Insects: Diversities, Nutrition, and Safety. Foods 2021; 10:3033. [PMID: 34945584 PMCID: PMC8700862 DOI: 10.3390/foods10123033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/26/2021] [Accepted: 12/02/2021] [Indexed: 01/22/2023] Open
Abstract
Edible insects have great potential to be human food; among them, aquatic insects have unique characteristics and deserve special attention. Before consuming these insects, the nutrition and food safety should always be considered. In this review, we summarized the species diversity, nutrition composition, and food safety of edible aquatic insects, and also compared their distinguished characteristics with those of terrestrial insects. Generally, in contrast with the role of plant feeders that most terrestrial edible insect species play, most aquatic edible insects are carnivorous animals. Besides the differences in physiology and metabolism, there are differences in fat, fatty acid, limiting/flavor amino acid, and mineral element contents between terrestrial and aquatic insects. Furthermore, heavy metal, pesticide residue, and uric acid composition, concerning food safety, are also discussed. Combined with the nutritional characteristics of aquatic insects, it is not recommended to eat the wild resources on a large scale. For the aquatic insects with large consumption, it is better to realize the standardized cultivation before they can be safely eaten.
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Affiliation(s)
- Min Zhao
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Cheng-Ye Wang
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Long Sun
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Zhao He
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Pan-Li Yang
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
| | - Huai-Jian Liao
- Institute of Leisure Agriculture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Ying Feng
- Key Laboratory of Breeding and Utilization of Resource Insects of National Forestry and Grassland Administration, Research Institute of Resource Insects, Chinese Academy of Forestry, Kunming 650224, China; (M.Z.); (C.-Y.W.); (L.S.); (Z.H.); (P.-L.Y.)
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13
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Cruz Y Celis Peniche P. Drivers of insect consumption across human populations. Evol Anthropol 2021; 31:45-59. [PMID: 34644813 DOI: 10.1002/evan.21926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/10/2021] [Accepted: 09/28/2021] [Indexed: 11/10/2022]
Abstract
Discussions regarding entomophagy in humans have been typically led by entomologists. While anthropologists devote much time to understanding diverse human subsistence practices, historical and cultural variation in insect consumption remains largely unexplained. This review explores the relation between variable ecologies, subsistence strategies, and social norms on insect consumption patterns across past and contemporary human populations. Ecological factors, such as the nutritional contribution of edible insects relative to those of other foraged or farmed resources available, may help explain variation in their consumption. Additionally, our evolved social learning strategies may help propagate social norms that prohibit or prioritize the consumption of some or all edible insects, independent of their profitability. By adopting a behavioral ecological and cultural evolutionary approach, this review aims to resolve current debates on insect consumption and provide directions for future research.
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Séré A, Bougma A, Bazié BSR, Traoré E, Parkouda C, Gnankiné O, Bassolé IHN. Chemical composition, energy and nutritional values, digestibility and functional properties of defatted flour, protein concentrates and isolates from Carbula marginella (Hemiptera: Pentatomidae) and Cirina butyrospermi (Lepidoptera: Saturniidae). BMC Chem 2021; 15:46. [PMID: 34372890 PMCID: PMC8353847 DOI: 10.1186/s13065-021-00772-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 07/26/2021] [Indexed: 11/10/2022] Open
Abstract
Edible insects constitute a potential source of alternative proteins as a food supplement. The present study aimed to investigate the chemical composition, energy and nutritional values, the digestibility and functional properties of Carbula marginella (Thunberg) and Cirina butyrospermi (Vuillet) defatted flour, protein concentrates, and isolates. Carbula marginella has shown the highest content of protein (41.44%), lipid (51.92%), calcium (33.92 mg/100 g) and sodium (185.84 mg/100 g) while the highest contents of carbohydrate (34.54%), ash (4.77%), iron (31.27 mg/100 g), magnesium (150.09 mg/100 g), and potassium (1277 mg/100 g) have been observed for C. butyrospermi. Linoleic (30.23%), palmitic (27.54%), oleic (26.41%) and stearic (8.90%) acids were the most dominant fatty acids found in C. marginella. Cirina butyrospermi was characterized by high levels of oleic (27.01%), stearic (21.02%), linolenic (20.42%), palmitic (13.06%), and linoleic (8.01%) acids. Protein and essential amino acid contents of the protein isolates in both insect species were 1.7–2 times higher than that of their defatted flours. The protein isolate of C. marginella exhibited the highest protein digestibility (87.63%), while the highest fat absorption capacity (8.84 g/g) and foaming capacity (48.40%) have been obtained from the protein isolate of C. butyrospermi. These findings indicate that the protein concentrates and isolates of C. marginella and C. butyrospermi have great potential for industrial applications.
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Affiliation(s)
- Aminata Séré
- Department of Biochemistry Microbiology, Joseph KI-ZERBO University, 03 B.P. 7021, Ouagadougou 03, Burkina Faso
| | - Adjima Bougma
- Department of Biochemistry Microbiology, Joseph KI-ZERBO University, 03 B.P. 7021, Ouagadougou 03, Burkina Faso
| | - Bazoin Sylvain Raoul Bazié
- Department of Biochemistry Microbiology, Joseph KI-ZERBO University, 03 B.P. 7021, Ouagadougou 03, Burkina Faso
| | - Esther Traoré
- Department of Food Technology, National Center for Scientific and Technological Research, 03 B.P. 7047, Ouagadougou 03, Burkina Faso
| | - Charles Parkouda
- Department of Food Technology, National Center for Scientific and Technological Research, 03 B.P. 7047, Ouagadougou 03, Burkina Faso
| | - Olivier Gnankiné
- Department of Animal Biology and Physiology, Joseph KI-ZERBO University, 03 B.P. 7021, Ouagadougou 03, Burkina Faso
| | - Imael Henri Nestor Bassolé
- Department of Biochemistry Microbiology, Joseph KI-ZERBO University, 03 B.P. 7021, Ouagadougou 03, Burkina Faso.
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Egan B, Nethavhani Z, van Asch B. Overview of the Genetic Diversity of African Macrotermes (Termitidae: Macrotermitinae) and Implications for Taxonomy, Ecology and Food Science. INSECTS 2021; 12:insects12060518. [PMID: 34204854 PMCID: PMC8228397 DOI: 10.3390/insects12060518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/25/2021] [Accepted: 05/28/2021] [Indexed: 11/16/2022]
Abstract
Simple Summary Macrotermes are fungus-growing termites known as ecosystem engineers for their role in cellulose recycling and soil conditioning. Macrotermes termites are also important as edible insects and are widely consumed throughout Africa. Accurate identification of Macrotermes species is challenging because of few and unreliable morphological differences among taxonomic groups. Due to this limitation, the diversity of African Macrotermes is incompletely described. Genetic data has provided new insights, but vast geographic regions remain unsurveyed. We generated COI data for specimens collected in Limpopo, South Africa, where Macrotermes termites are commonly consumed by local populations, and assessed their diversity in the context of publicly available sequences. We identified 17 genetic groups that most likely represented distinct species, in contrast with the 13 Macrotermes species currently described in Africa. The specimens collected in Limpopo belonged to four genetic groups, suggesting a high diversity of Macrotermes in the region. Our results also showed that Macrotermes species names and genetic groups do not match in most cases, likely due to inaccurate identification of specimens. We propose that the genetic groups that are identified here be used as a background to guide future studies of African Macrotermes with a positive impact on food science, ecology, taxonomy, phylogeography and phylogenetics. Abstract Macrotermes termites play important ecological roles and are consumed by many communities as a delicacy and dietary complement throughout Africa. However, lack of reliable morphological characters has hampered studies of Macrotermes diversity in a wide range of scientific fields including ecology, phylogenetics and food science. In order to place our preliminary assessment of the diversity of Macrotermes in South Africa in context, we analysed a comprehensive dataset of COI sequences for African species including new and publicly available data. Phylogenetic reconstruction and estimates of genetic divergence showed a high level of incongruity between species names and genetic groups, as well as several instances of cryptic diversity. We identified three main clades and 17 genetic groups in the dataset. We propose that this structure be used as a background for future surveys of Macrotermes diversity in Africa, thus mitigating the negative impact of the present taxonomic uncertainties in the genus. The new specimens collected in Limpopo fell into four distinct genetic groups, suggesting that the region harbours remarkable Macrotermes diversity relative to other African regions surveyed in previous studies. This work shows that African Macrotermes have been understudied across the continent, and that the genus contains cryptic diversity undetectable by classic taxonomy. Furthermore, these results may inform future taxonomic revisions in Macrotermes, thus contributing to advances in termitology.
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Affiliation(s)
- Bronwyn Egan
- Department of Biodiversity, University of Limpopo, Private Bag X1106, Mankweng 0727, South Africa;
| | - Zwannda Nethavhani
- Department of Genetics, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
| | - Barbara van Asch
- Department of Genetics, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
- Correspondence:
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16
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Selaledi L, Hassan Z, Manyelo TG, Mabelebele M. Insects' Production, Consumption, Policy, and Sustainability: What Have We Learned from the Indigenous Knowledge Systems? INSECTS 2021; 12:432. [PMID: 34064777 PMCID: PMC8150288 DOI: 10.3390/insects12050432] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 11/16/2022]
Abstract
Edible insects can be produced sustainably, with less environmental impact than other forms of livestock. Globally, over 2000 edible insect species have been reported and are regarded as a great source of nutrition, both as food and feed. Over the years, rural people have used indigenous knowledge to either store or process such insects. However, such valuable knowledge, if not properly recorded and documented, can easily be lost. Thus, there is a need to strike a balance between the use of indigenous and scientific knowledge to produce and process these delicacies. In addition, such indigenous knowledge is vital for preserving biodiversity, since insects are good indicators of climate change as it influences their development, reproduction, and survival. Therefore, successful and sustainable solutions may lie in bringing back indigenous knowledge systems.
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Affiliation(s)
- Letlhogonolo Selaledi
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida Campus, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa; (L.S.); (Z.H.); (T.G.M.)
- Department of Zoology and Entomology, Mammal Research Institute, Faculty of Natural and Agri-cultural Sciences, University of Pretoria, Hatfield, Pretoria 0002, South Africa
| | - Zahra Hassan
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida Campus, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa; (L.S.); (Z.H.); (T.G.M.)
| | - Tlou Grace Manyelo
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida Campus, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa; (L.S.); (Z.H.); (T.G.M.)
- Department of Agricultural Economics and Animal Production, University of Limpopo, Sovenga 0727, South Africa
| | - Monnye Mabelebele
- Department of Agriculture and Animal Health, College of Agriculture and Environmental Science, University of South Africa, Florida Campus, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa; (L.S.); (Z.H.); (T.G.M.)
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Ghosh S, Tchibozo S, Lanmantchion E, Meyer-Rochow VB, Jung C. Observations on How People in Two Locations of the Plateau Département of Southeast Benin Perceive Entomophagy: A Study From West Africa. Front Nutr 2021; 8:637385. [PMID: 33718420 PMCID: PMC7943480 DOI: 10.3389/fnut.2021.637385] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 01/25/2021] [Indexed: 11/13/2022] Open
Abstract
We surveyed the local populations of Kétou and Pobè in Southeast Benin through interviews and with the aid of a semi-structured questionnaire in order to understand how they currently perceive entomophagy, an age-old tradition in their communities. The study revealed that the majority of the population was familiar with the use of insects as food, and a sizable number of people were still interested in insect consumption. Gender differences were not apparent. Tradition or culture was identified as the most influential factor, followed by taste, as determinants for eating or rejecting insects. However, identifying the edible species and comparing practices how they were prepared for consumption, we found that the knowledge was not homogenous across the society of Benin, with differences depending on ethnicity, culture, respondent's age, and educational background. Awareness and promotion of food insects in the society should help to preserve the practice of entomophagy and in turn could lead to the provision of much needed nutritional supplements to the poorer and disadvantaged sections of the society.
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Affiliation(s)
- Sampat Ghosh
- Agriculture Science and Technology Research Institute, Andong National University, Andong, South Korea
| | - Séverin Tchibozo
- Centre de Recherche pour la Gestion de la Biodiversité, Cotonou, Benin
| | | | - Victor Benno Meyer-Rochow
- Agriculture Science and Technology Research Institute, Andong National University, Andong, South Korea.,Department of Ecology and Genetics, Oulu University, Oulu, Finland
| | - Chuleui Jung
- Agriculture Science and Technology Research Institute, Andong National University, Andong, South Korea.,Department of Plant Medicals, Andong National University, Andong, South Korea
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Magara HJO, Niassy S, Ayieko MA, Mukundamago M, Egonyu JP, Tanga CM, Kimathi EK, Ongere JO, Fiaboe KKM, Hugel S, Orinda MA, Roos N, Ekesi S. Edible Crickets (Orthoptera) Around the World: Distribution, Nutritional Value, and Other Benefits-A Review. Front Nutr 2021; 7:537915. [PMID: 33511150 PMCID: PMC7835793 DOI: 10.3389/fnut.2020.537915] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 10/22/2020] [Indexed: 12/23/2022] Open
Abstract
Edible crickets are among the praised insects that are gaining recognition as human food and livestock feed with a potential of contributing to food security and reduction of malnutrition. Globally, the sustainable use of crickets as food or feed is undermined by lack of information on the number of the edible crickets, the country where they are consumed, and the developmental stages consumed. Furthermore, lack of data on their nutritional content and the potential risks to potential consumers limits their consumption or inclusion into other food sources. We reviewed published literature on edible cricket species, countries where they are consumed, and the stage at which they are consumed. We further reviewed information on their nutritional content, the safety of cricket consumption, and the sensory qualities of the edible crickets. We also looked at other benefits derived from the crickets, which include ethnomedicine, livestock feed, pest management strategies, contribution to economic development, and livelihood improvement, particularly in terms of use as food preservatives and use within music, sports, and cultural entomology. Lastly, we reviewed information on the farming of edible crickets. In this review, we report over 60 cricket species that are consumed in 49 countries globally. Nutritionally, crickets are reported to be rich in proteins, ranging from 55 to 73%, and lipids, which range from 4.30 to 33.44% of dry matter. The reported amount of polyunsaturated fatty acids (PUFA) is 58% of the total fatty acids. Edible crickets contain an appreciable amount of macro- and micro-mineral elements such as calcium, potassium, magnesium, phosphorus, sodium, iron, zinc, manganese, and copper. Also, the crickets are rich in the required amount of vitamins such as B group vitamins and vitamins A, C, D, E, and K. Overall, the cricket species examined in this review are safe to be consumed, and they display high proximate content that can replace plant and livestock products. The crickets play valuable roles in contributing to the economies of many countries and livelihoods, and they have medicinal and social benefits. This review is expected to promote greater recognition of crickets as a source of food, feed, and other benefits in the world and encourage up-scaling by farming them for sustainable utilization.
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Affiliation(s)
- Henlay J. O. Magara
- School of Agricultural and Food Sciences, Jaramogi Oginga Odinga University Science and Technology (JOOUST), Bondo, Kenya
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Saliou Niassy
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Monica A. Ayieko
- School of Agricultural and Food Sciences, Jaramogi Oginga Odinga University Science and Technology (JOOUST), Bondo, Kenya
| | - Mukundi Mukundamago
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - James P. Egonyu
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Chrysantus M. Tanga
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Emily K. Kimathi
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Jackton O. Ongere
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
| | - Komi K. M. Fiaboe
- The International Institute of Tropical Agriculture (IITA), Yaoundé, Cameroon
| | - Sylvain Hugel
- Institut des Neurosciences Cellulaires et Intégratives, UPR 3212 CNRS-Université de Strasbourg, Strasbourg, France
| | - Mary A. Orinda
- School of Agricultural and Food Sciences, Jaramogi Oginga Odinga University Science and Technology (JOOUST), Bondo, Kenya
| | - Nanna Roos
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
| | - Sunday Ekesi
- International Center of Insect Physiology and Ecology (icipe), Nairobi, Kenya
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Indigenous Knowledge about Consumption of Edible Insects in South Africa. INSECTS 2020; 12:insects12010022. [PMID: 33396313 PMCID: PMC7824724 DOI: 10.3390/insects12010022] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 11/16/2022]
Abstract
Consumption of edible insects is an indigenous practice that has played an essential role in human nutrition across Africa. The traditional use of insects forms an important part of food culture in Africa, and insects are consumed either as a delicacy, emergency, or staple source of food. However, indigenous knowledge about insect consumption is being lost because recent generations have adopted western methods and paid less attention to traditional practices. We conducted 500 questionnaires in five local municipalities in Kwazulu-Natal (KZN), and 122 questionnaires in four local municipalities in Vhembe district in Limpopo, South Africa, to document indigenous knowledge about edible insects' consumption, collection, and preparation methods used in Limpopo and KZN. Eight insect species belonging to five insect orders were used as food in Limpopo and KZN, with mopane worms (94%) and termites (70%) being the most preferred species by respondents in Limpopo and KZN, respectively. Ninety-five percent of the respondents occasionally consumed insects in Limpopo, while only 28% did so in KZN. Nutritional benefits and tradition were the main reasons for consuming insects. Edible insects are a nutritious diet and play an important role in people's livelihoods in rural areas. However, there was a notable decline in entomophagy, particularly in KZN. The decline may be related to occidental acculturation, discomfort associated with eating insects, and declining insect availability. To promote entomophagy, the authorities should encourage people to include edible insects in their diets because of their nutritional value. In addition, edible insect flour should be incorporated in food products such as biscuits, bread, energy bars, cereal, and cookies to promote acceptability.
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Hlongwane ZT, Slotow R, Munyai TC. Nutritional Composition of Edible Insects Consumed in Africa: A Systematic Review. Nutrients 2020; 12:E2786. [PMID: 32933038 PMCID: PMC7551454 DOI: 10.3390/nu12092786] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 08/28/2020] [Accepted: 09/03/2020] [Indexed: 12/27/2022] Open
Abstract
Edible insects are an important protein rich natural resource that can contribute to resilient food security. Edible insects not only play an important role in traditional diets, but are also an excellent source of protein in traditional dishes in Africa. We systematically searched Web-of-Science and Google Scholar from year 2000-2019 for studies on the consumption of insects and their nutritional composition in Africa, resulting in 98 eligible papers, listing 212 edible insect species from eight orders. These insects were rich in protein, fats, and fibre. The highest protein content was reported for Lepidoptera (range: 20-80%). Coleoptera had the highest carbohydrate content (7-54%), while Lepidoptera had the highest fat content (10-50%). Considering the excellent source of nutrition, and potential socio-economic benefits, from edible insects, they can contribute strongly to improved food security, and rural development in developing countries. In addition, edible insects can be used as a sustainable food source to combat food shortages in the future, for example, providing resilience during times of drought or other climate stressors.
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Affiliation(s)
- Zabentungwa T. Hlongwane
- School of Life Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville 3209, South Africa; (R.S.); (T.C.M.)
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Traditional Knowledge of the Utilization of Edible Insects in Nagaland, North-East India. Foods 2020; 9:foods9070852. [PMID: 32629940 PMCID: PMC7404660 DOI: 10.3390/foods9070852] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/17/2020] [Accepted: 06/19/2020] [Indexed: 11/26/2022] Open
Abstract
Located at the north-eastern part of India, Nagaland is a relatively unexplored area having had only few studies on the faunal diversity, especially concerning insects. Although the practice of entomophagy is widespread in the region, a detailed account regarding the utilization of edible insects is still lacking. The present study documents the existing knowledge of entomophagy in the region, emphasizing the currently most consumed insects in view of their marketing potential as possible future food items. Assessment was done with the help of semi-structured questionnaires, which mentioned a total of 106 insect species representing 32 families and 9 orders that were considered as health foods by the local ethnic groups. While most of the edible insects are consumed boiled, cooked, fried, roasted/toasted, some insects such as Cossus sp., larvae and pupae of ants, bees, wasps, and hornets as well as honey, bee comb, bee wax are consumed raw. Certain edible insects are either fully domesticated (e.g., Antheraea assamensis, Apis cerana indica, and Samia cynthia ricini) or semi-domesticated in their natural habitat (e.g., Vespa mandarinia, Vespa soror, Vespa tropica tropica, and Vespula orbata), and the potential of commercialization of these insects and some other species as a bio-resource in Nagaland exists.
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Gahukar RT. Edible insects collected from forests for family livelihood and wellness of rural communities: A review. GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT 2020. [DOI: 10.1016/j.gfs.2020.100348] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Raheem D, Raposo A, Oluwole OB, Nieuwland M, Saraiva A, Carrascosa C. Entomophagy: Nutritional, ecological, safety and legislation aspects. Food Res Int 2019; 126:108672. [PMID: 31732082 DOI: 10.1016/j.foodres.2019.108672] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/02/2019] [Accepted: 09/09/2019] [Indexed: 12/27/2022]
Abstract
Globally, there is a need to seek alternative sources of protein in addition to meat. This has led to considerable interest in edible insects. Such insects form part of cultures and diets in many Asian and African countries, and are an excellent source of essential nutrients, minerals, vitamins and proteins. Furthermore, they have been reported to be sustainable. The ecological importance of insects is related to their short life cycles when reared and farmed. This makes them ideal in mitigating greenhouse gas emissions, cutting land uses and polluted water, and reducing environmental contamination. However, the use of edible insects as food in Europe is minimal. To ensure safety of insects when eaten as food, considerations should be made on: microbiological contamination; toxicological hazards, e.g. chemical hazards and antinutrients; allergenicity issues that are related to different exposures, including injection, ingestion, inhalation and skin contact. In this review, we summarize the nutritional and sustainable values of edible insects, look at safety and legislative measures and we finally discuss future issues.
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Affiliation(s)
- Dele Raheem
- Department for Management of Science and Technology Development, Ton Duc Thang University, Ho Chi Minh City, Viet Nam; Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - António Raposo
- CBIOS (Research Center for Biosciences and Health Technologies), Universidade Lusófona de Humanidades e Tecnologias, Campo Grande 376, 1749-024 Lisboa, Portugal.
| | | | - Maaike Nieuwland
- Food & Biobased Research, Wageningen University, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Ariana Saraiva
- Pharmacy Faculty, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Conrado Carrascosa
- Department of Animal Pathology and Production, Bromatology and Food Technology, Faculty of Veterinary, Universidad de Las Palmas de Gran Canaria, Trasmontaña s/n, 35413 Arucas, Spain
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van Huis A. Cultural significance of Lepidoptera in sub-Saharan Africa. JOURNAL OF ETHNOBIOLOGY AND ETHNOMEDICINE 2019; 15:26. [PMID: 31196134 PMCID: PMC6567547 DOI: 10.1186/s13002-019-0306-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 05/23/2019] [Indexed: 05/11/2023]
Abstract
BACKGROUND The taxon Lepidoptera is one of the most widespread and recognisable insect orders with 160,000 species worldwide and with more than 20,000 species in Africa. Lepidoptera have a complete metamorphosis and the adults (butterflies and moths) are quite different from the larvae (caterpillars). The purpose of the study was to make an overview of how butterflies/moths and caterpillars are utilised, perceived and experienced in daily life across sub-Saharan Africa. METHOD Ethno-entomological information on Lepidoptera in sub-Saharan Africa was collected by (1) interviews with more than 300 people from about 120 ethnic groups in 27 countries in the region; and (2) library studies in Africa, London, Paris and Leiden. RESULTS Often the interviewees indicated that people from his or her family or ethnic group did not know that caterpillars turn into butterflies and moths (metamorphosis). When known, metamorphosis may be used as a symbol for transformation, such as in female puberty or in literature regarding societal change. Vernacular names of the butterfly/moth in the Muslim world relate to religion or religious leaders. The names of the caterpillars often refer to the host plant or to their characteristics or appearance. Close to 100 caterpillar species are consumed as food. Wild silkworm species, such as Borocera spp. in Madagascar and Anaphe species in the rest of Africa, provide expensive textiles. Bagworms (Psychidae) are sometimes used as medicine. Ancestors may be associated with certain dark nocturnal moths, but these are also considered to be responsible for armyworms plagues. The appearance of butterflies/moths can be associated with seasons or serve as predictor of events. There are many proverbs, songs and stories related to butterflies and moths. Lepidoptera are also an inspiration in art expressions. In dance, the movements of caterpillars are used as examples, while certain cocoons are used as rattles. CONCLUSION Lepidoptera are found very appealing because of the striking appearance of the adults, their dramatic metamorphosis and the provision of silk and nutritious food. Besides, they are an inspiration in art and literature.
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Affiliation(s)
- Arnold van Huis
- Laboratory of Entomology, Wageningen University & Research, P.O. Box 16, 6700 AA, Wageningen, The Netherlands.
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