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Hassen H, Škvorová P, Pokhrel K, Kulma M, Piątkowska E, Kostogrys RB, Kouřimská L, Tarko T, Franczyk-Żarów M. Effect of Diets with the Addition of Edible Insects on the Development of Atherosclerotic Lesions in ApoE/LDLR -/- Mice. Int J Mol Sci 2024; 25:7256. [PMID: 39000363 PMCID: PMC11242574 DOI: 10.3390/ijms25137256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/22/2024] [Accepted: 06/29/2024] [Indexed: 07/16/2024] Open
Abstract
Foods enriched with insects can potentially prevent several health disorders, including cardiovascular diseases, by reducing inflammation and improving antioxidant status. In this study, Tenebrio molitor and Gryllus assimilis were selected to determine the effect on the development of atherosclerosis in ApoE/LDLR-/- mice. Animals were fed AIN-93G-based diets (control) with 10% Tenebrio molitor (TM) and 10% Gryllus assimilis (GA) for 8 weeks. The nutritional value as well as antioxidant activity of selected insects were determined. The lipid profile, liver enzyme activity, and the fatty acid composition of liver and adipose tissue of model mice were evaluated. Quantitative analysis of atherosclerotic lesions in the entire aorta was performed using the en face method, and for aortic roots, the cross-section method was used. The antioxidant status of the GA cricket was significantly higher compared to the TM larvae. The results showed that the area of atherosclerosis (en face method) was not significantly different between groups. Dietary GA reduced plaque formation in the aortic root; additionally, significant differences were observed in sections at 200 and 300 µm compared to other groups. Furthermore, liver enzyme ALT activity was lower in insect-fed groups compared to the control group. The finding suggests that a diet containing edible insect GA potentially prevents atherosclerotic plaque development in the aortic root, due to its high antioxidant activity.
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Affiliation(s)
- Hayat Hassen
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, A. Mickiewicz Av. 21, 31-120 Kraków, Poland; (H.H.); (E.P.); (R.B.K.)
- Department of Human Nutrition, Faculty of Chemical and Food Engineering, Bahir Dar Institute of Technology, Bahir Dar P.O. Box 26, Ethiopia
| | - Petra Škvorová
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic; (P.Š.); (K.P.); (L.K.)
| | - Kshitiz Pokhrel
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic; (P.Š.); (K.P.); (L.K.)
| | - Martin Kulma
- Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic;
| | - Ewa Piątkowska
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, A. Mickiewicz Av. 21, 31-120 Kraków, Poland; (H.H.); (E.P.); (R.B.K.)
| | - Renata B. Kostogrys
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, A. Mickiewicz Av. 21, 31-120 Kraków, Poland; (H.H.); (E.P.); (R.B.K.)
| | - Lenka Kouřimská
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha-Suchdol, Czech Republic; (P.Š.); (K.P.); (L.K.)
| | - Tomasz Tarko
- Department of Fermentation Technology and Microbiology, Faculty of Food Technology, University of Agriculture in Krakow, A. Mickiewicz Av. 21, 31-120 Kraków, Poland
| | - Magdalena Franczyk-Żarów
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, A. Mickiewicz Av. 21, 31-120 Kraków, Poland; (H.H.); (E.P.); (R.B.K.)
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Martins da Silva R, Köhler A, de Cássia de Souza Schneider R, Prado de Vargas D, Lúcia Köhler A, da Costa E Silva D, Soares J. Proximate and fatty acid profile analysis of Tenebrio molitor and Zophobas morio using different killing methods. Food Chem 2024; 445:138719. [PMID: 38401309 DOI: 10.1016/j.foodchem.2024.138719] [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: 10/25/2023] [Revised: 01/26/2024] [Accepted: 02/06/2024] [Indexed: 02/26/2024]
Abstract
The present work aimed to quantify the macronutrients and the fatty acid (FA) profile in different killing methods, blanching (BC) and freezing (FR), on edible insects of the speciesTenebrio molitor(TM) andZophobas morio(ZM). Concerning macronutrients TM-BC and TM-FR presented 51.2% and 50.6% of protein, 28% and 29.4% of lipids, and 12.4% and 11.4%. Meanwhile, ZM-BC and ZM-FR expressed 42.8% and 43.7% of protein, 39.1% and 40.1% of lipids, and 10.7% and 8.9% of carbohydrates. The FA of TM and ZM shows respectively values of Saturated Fatty Acids (∑SFA) 30% - 45%, Monounsaturated (MUFA) 47% - 32%, Polyunsaturated (∑PUFA) 23% - 22%, Atherogenicity Index (AI) 0.64 - 0.75, Thrombogenicity Index (TI) 0.77 - 1.44 and hypocholesterolemic/hypercholesterolemic index (h/H) of 2.50-1.51. Based on the results obtained, the slaughter methods showed statistically differences in relation to MUFA's in TM, and ZM larvae only in the minority fraction of FA.
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Affiliation(s)
- Rafael Martins da Silva
- Department of Life Sciences, Entomology Laboratory - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Andreas Köhler
- Department of Life Sciences, Entomology Laboratory, Postgraduate Program in Environmental Technology - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Rosana de Cássia de Souza Schneider
- Department of Sciences, Humanities and Education, Postgraduate Program in Environmental Technology - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Diego Prado de Vargas
- Department of Life Sciences, Postgraduate Program in Environmental Technology - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Ana Lúcia Köhler
- Sul-MIP Biological Agents - Industry and Commerce of Biological Agents LTDA, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Daniela da Costa E Silva
- Postgraduate Program in Environmental Technology - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
| | - Jocelene Soares
- Department of Sciences, Humanities and Education, Postgraduate Program in Environmental Technology - University of Santa Cruz do Sul, Avenida Independência 2293, Postal code: 96815-900, Santa Cruz do Sul, Brazil.
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Škvorová P, Kulma M, Božik M, Kurečka M, Plachý V, Slavíková D, Šebelová K, Kouřimská L. Evaluation of rapeseed cake as a protein substitute in the feed of edible crickets: A case study using Gryllus assimilis. Food Chem 2024; 441:138254. [PMID: 38194792 DOI: 10.1016/j.foodchem.2023.138254] [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: 10/04/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 01/11/2024]
Abstract
This paper aimed to investigate the optimization of Gryllus assimilis farming production by examining the effects of replacing soybean meal with rapeseed cake (25-100%) and supplementing it with rapeseed oil. The results reveal no adverse effects of soybean meal replacement on the feed conversion ratio and weight of the harvested crickets. However, incorporating larger quantities of rapeseed cake into the diet increased crude protein and decreased fat content. Moreover, the composition of fatty acids varied significantly, with increased levels of oleic acid and decreased levels of palmitic acid, while a high rapeseed cake content led to a decrease in the atherogenic and thrombogenic index values. The amino acid composition remained unaffected. In conclusion, the study demonstrates that rapeseed cake can serve as a viable substitute for soybean meal in the diet of Gryllus assimilis.
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Affiliation(s)
- Petra Škvorová
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Martin Kulma
- Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Matěj Božik
- Department of Food Science, Czech University of Life Sciences, Prague Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Michal Kurečka
- Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Vladimír Plachý
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Daniela Slavíková
- Department of Zoology and Fisheries, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
| | - Kateřina Šebelová
- Department of Food Science, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague 6 - Dejvice, Czech Republic.
| | - Lenka Kouřimská
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Kamýcká 129, 165 00, Praha - Suchdol, Czech Republic.
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Kotsou K, Chatzimitakos T, Athanasiadis V, Bozinou E, Lalas SI. Exploiting Agri-Food Waste as Feed for Tenebrio molitor Larvae Rearing: A Review. Foods 2024; 13:1027. [PMID: 38611333 PMCID: PMC11011778 DOI: 10.3390/foods13071027] [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: 02/23/2024] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 04/14/2024] Open
Abstract
The agri-food industry generates substantial amounts of waste, including by-products and residues. The increasing demand for sustainable and eco-friendly practices in the agri-food sector has sparked an interest in finding alternative uses for such waste materials. One promising approach is the utilization of waste from the agri-food industry as feed for the rearing of mealworms (Tenebrio molitor). Since agri-food waste is rich in proteins, carbohydrates, lipids, and vitamins, as well as other bioactive compounds, all of which are essential for insect growth and development, incorporating such waste into the diet of mealworms promotes sustainable insect production, reducing the economic and environmental problems associated with waste disposal. This practice can also be beneficial for the rearing of mealworms since their nutritional value can also be enhanced. To this end, various waste materials, such as fruit and vegetable peels, spent grains, and food processing residues, have been investigated as potential feed sources, leading to increased mass production, lower cost, and enhanced nutritional value. This review aims to highlight the potential of agri-food waste as a feed source for mealworms, as well as their potential to enhance their nutritional value. Furthermore, the potential applications of mealworms reared on agri-food waste are highlighted, including their potential as a sustainable protein source for human consumption and as feed ingredients in the livestock and aquaculture sectors.
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Affiliation(s)
- Konstantina Kotsou
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece; (T.C.); (V.A.); (E.B.); (S.I.L.)
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Savio C, Herren P, Rejasse A, Rios A, Bourelle W, Bruun-Jensen A, Lecocq A, van Loon JJA, Nielsen-LeRoux C. Minor impact of probiotic bacteria and egg white on Tenebrio molitor growth, microbial composition, and pathogen infection. FRONTIERS IN INSECT SCIENCE 2024; 4:1334526. [PMID: 38469340 PMCID: PMC10926391 DOI: 10.3389/finsc.2024.1334526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/23/2024] [Indexed: 03/13/2024]
Abstract
The industrial rearing of the yellow mealworm (Tenebrio molitor) for feed and food purposes on agricultural by-products may expose larvae and adults to entomopathogens used as biocontrol agents in crop production. Bacterial spores/toxins or fungal conidia from species such as Bacillus thuringiensis or Metarhizium brunneum could affect the survival and growth of insects. Therefore, the aim of this study was to investigate the potential benefits of a wheat bran diet supplemented with probiotic bacteria and dried egg white on larval development and survival and its effects on the gut microbiome composition. Two probiotic bacterial species, Pediococcus pentosaceus KVL B19-01 and Lactiplantibacillus plantarum WJB, were added to wheat bran feed with and without dried egg white, as an additional protein source, directly from neonate larval hatching until reaching a body mass of 20 mg. Subsequently, larvae from the various diets were exposed for 72 h to B. thuringiensis, M. brunneum, or their combination. Larval survival and growth were recorded for 14 days, and the bacterial microbiota composition was analyzed using 16S rDNA sequencing prior to pathogen exposure and on days 3 and 11 after inoculation with the pathogens. The results showed increased survival for T. molitor larvae reared on feed supplemented with P. pentosaceus in the case of co-infection. Larval growth was also impacted in the co-infection treatment. No significant impact of egg white or of P. pentosaceus on larval growth was recorded, while the addition of Lb. plantarum resulted in a minor increase in individual mass gain compared with infected larvae without the latter probiotic. On day 14, B. thuringiensis was no longer detected and the overall bacterial community composition of the larvae was similar in all treatments. On the other hand, the relative operational taxonomic unit (OTU) abundance was dependent on day, diet, and probiotic. Interestingly, P. pentosaceus was present throughout the experiments, while Lb. plantarum was not found at a detectable level, although its transient presence slightly improved larval performance. Overall, this study confirms the potential benefits of some probiotics during the development of T. molitor while underlining the complexity of the relationship between the host and its microbiome.
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Affiliation(s)
- Carlotta Savio
- University of Paris Saclay, INRAE, Micalis, Jouy-en-Josas, France
- Laboratory of Entomology, Department of Plant Sciences, Wageningen University, Wageningen, Netherlands
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Pascal Herren
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg, Denmark
- UK Centre for Ecology & Hydrology, Crowmarsh Gifford, Wallingford, United Kingdom
- Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Agnès Rejasse
- University of Paris Saclay, INRAE, Micalis, Jouy-en-Josas, France
| | | | - William Bourelle
- University of Paris Saclay, INRAE, Micalis, Jouy-en-Josas, France
| | - Annette Bruun-Jensen
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Antoine Lecocq
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Joop J. A. van Loon
- Laboratory of Entomology, Department of Plant Sciences, Wageningen University, Wageningen, Netherlands
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Jankauskienė A, Aleknavičius D, Kiseliovienė S, Antanaitis Š, Falkauskas R, Šumskienė M, Juknienė I, Kabašinskienė A. The Influence of Different Sustainable Substrates on the Nutritional Value of Tenebrio molitor Larvae. Foods 2024; 13:365. [PMID: 38338502 PMCID: PMC11326477 DOI: 10.3390/foods13030365] [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: 12/13/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024] Open
Abstract
Every year, over 30% of food production is wasted. However, promoting a sustainable food supply not only fosters economic stability in agriculture and the food industry, but also safeguards precious natural resources and ensures universal food access and safety. Therefore, the aim of the study was to determine how specific growth conditions (utilizing by-products: sprouted potatoes (1), wheat bran (2), brewers' spent grain (3), and a control sample with agar-agar gels (4)) affect the larvae of yellow mealworms (Tenebrio molitor). This includes their nutritional and energy value, consumer sensory profiling, and technological parameters of processing. The results have indicated that larvae reared on the substrate with wheat bran had the highest energy value, at 708.26 kcal. In larvae, the difference in protein content was not significant when changing the rearing conditions, and ranged between 48.54 and 59.18%. The larvae contained a significant content of fibers, with the highest amount detected in samples with brewers' spent grain. The data indicate that glucose and arabinose were distinctive to larvae. Our study has also revealed a statistical difference in ash content between larvae and the substrate, with higher levels of nitrogen, copper, and zinc detected in the larvae compared to the substrate. We have found that the salt was naturally occurring in the substrates, with the brewers' spent grain sample having the highest amount, at 1.83%. However, the control sample yielded the highest ratings, achieving a score of 7.30 for general smell acceptability. These findings emphasize the potential of utilizing various industrial and farm by-products as substrates for mealworms, transforming them into a sustainable and nutrient-rich food source. This contribution adds to the broader discourse on nutritional value and resource efficiency.
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Affiliation(s)
- Agnė Jankauskienė
- Department of Food Safety and Quality, Lithuanian University of Health Sciences, Veterinary Academy, Tilzes St. 18, LT-47181 Kaunas, Lithuania
| | | | - Sandra Kiseliovienė
- Food Institute, Kaunas University of Technology, Radvilenu Pl. 19, LT-50254 Kaunas, Lithuania
| | - Šarūnas Antanaitis
- Agrochemical Research Laboratory, Analytical Department, Lithuanian Research Centre for Agriculture and Forestry, Instituto Al. 1, LT-58344 Akademija, Lithuania
| | - Rimvydas Falkauskas
- National Food and Veterinary Risk Assessment Institute, Tilzes St. 18, LT-47181 Kaunas, Lithuania
| | - Marijona Šumskienė
- Culinary Art and Wellness Laboratory, Alytus STEAM Open Access Center Food Technology, Faculty of Health Sciences and Engineering, Alytus College, Studentu St. 17, LT-62252 Alytus, Lithuania
| | - Ignė Juknienė
- Department of Food Safety and Quality, Lithuanian University of Health Sciences, Veterinary Academy, Tilzes St. 18, LT-47181 Kaunas, Lithuania
| | - Aistė Kabašinskienė
- Department of Food Safety and Quality, Lithuanian University of Health Sciences, Veterinary Academy, Tilzes St. 18, LT-47181 Kaunas, Lithuania
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Syahrulawal L, Torske MO, Sapkota R, Næss G, Khanal P. Improving the nutritional values of yellow mealworm Tenebrio molitor (Coleoptera: Tenebrionidae) larvae as an animal feed ingredient: a review. J Anim Sci Biotechnol 2023; 14:146. [PMID: 38042833 PMCID: PMC10693714 DOI: 10.1186/s40104-023-00945-x] [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: 06/12/2023] [Accepted: 10/06/2023] [Indexed: 12/04/2023] Open
Abstract
Yellow mealworm larvae (YML; Tenebrio molitor) are considered as a valuable insect species for animal feed due to their high nutritional values and ability to grow under different substrates and rearing conditions. Advances in the understanding of entomophagy and animal nutrition over the past decades have propelled research areas toward testing multiple aspects of YML to exploit them better as animal feed sources. This review aims to summarize various approaches that could be exploited to maximize the nutritional values of YML as an animal feed ingredient. In addition, YML has the potential to be used as an antimicrobial or bioactive agent to improve animal health and immune function in production animals. The dynamics of the nutritional profile of YML can be influenced by multiple factors and should be taken into account when attempting to optimize the nutrient contents of YML as an animal feed ingredient. Specifically, the use of novel land-based and aquatic feeding resources, probiotics, and the exploitation of larval gut microbiomes as novel strategies can assist to maximize the nutritional potential of YML. Selection of relevant feed supplies, optimization of ambient conditions, the introduction of novel genetic selection procedures, and implementation of effective post-harvest processing may be required in the future to commercialize mealworm production. Furthermore, the use of appropriate agricultural practices and technological improvements within the mealworm production sector should be aimed at achieving both economic and environmental sustainability. The issues highlighted in this review could pave the way for future approaches to improve the nutritional value of YML.
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Affiliation(s)
- Linggawastu Syahrulawal
- Animal Science, Production and Welfare Division, Faculty of Biosciences and Aquaculture, Nord University, Skolegata 22, Steinkjer, 7713, Norway
| | - Magnhild Oust Torske
- Animal Science, Production and Welfare Division, Faculty of Biosciences and Aquaculture, Nord University, Skolegata 22, Steinkjer, 7713, Norway
| | - Rumakanta Sapkota
- Department of Environmental Science, Faculty of Technical Sciences, Aarhus University, Frederiksborgvej 399, Roskilde, 4000, Denmark
| | - Geir Næss
- Animal Science, Production and Welfare Division, Faculty of Biosciences and Aquaculture, Nord University, Skolegata 22, Steinkjer, 7713, Norway
| | - Prabhat Khanal
- Animal Science, Production and Welfare Division, Faculty of Biosciences and Aquaculture, Nord University, Skolegata 22, Steinkjer, 7713, Norway.
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Kotsou K, Chatzimitakos T, Athanasiadis V, Bozinou E, Athanassiou CG, Lalas SI. Innovative Applications of Tenebrio molitor Larvae in Food Product Development: A Comprehensive Review. Foods 2023; 12:4223. [PMID: 38231605 DOI: 10.3390/foods12234223] [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: 10/17/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 01/19/2024] Open
Abstract
The utilization of alternative and sustainable food sources has garnered significant interest as a means to address the challenges of food security and environmental sustainability. Tenebrio molitor larvae, commonly known as mealworms, have emerged as a promising candidate in this context, as they are a rich source of nutrients and can be reared with relatively low resource input. This review article presents an in-depth analysis of the diverse range of food products developed using T. molitor larvae and the distinctive properties they bestow on these products. The review encompasses an exploration of the nutritional composition of the larvae, emphasizing their rich protein content, balanced amino acid profile, fatty acids with health benefits, vitamins, and minerals. It delves into how these attributes have been harnessed to enhance the nutritional value of a variety of food items, ranging from protein-rich snacks and energy bars to pasta, bakery goods, etc. Each of these applications is discussed with regard to how T. molitor larvae contribute to the nutritional content and sensory characteristics of the final product. Furthermore, this review sheds light on the innovative techniques and processing methods employed to incorporate T. molitor larvae into different food matrices. It addresses challenges related to taste, texture, and appearance that have been encountered and the strategies devised to overcome related problems. Overall, this comprehensive review elucidates the diverse food products that have been developed utilizing T. molitor larvae as a key ingredient. Highlighting the nutritional, sensory, and sustainability aspects of these products, this review offers valuable insights to harness the potential of this alternative protein source to meet the evolving needs of modern food systems.
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Affiliation(s)
- Konstantina Kotsou
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece
| | - Theodoros Chatzimitakos
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece
| | - Vassilis Athanasiadis
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece
| | - Eleni Bozinou
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece
| | - Christos G Athanassiou
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446 Volos, Greece
| | - Stavros I Lalas
- Department of Food Science and Nutrition, University of Thessaly, Terma N. Temponera Str., 43100 Karditsa, Greece
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Noyens I, Schoeters F, Van Peer M, Berrens S, Goossens S, Van Miert S. The nutritional profile, mineral content and heavy metal uptake of yellow mealworm reared with supplementation of agricultural sidestreams. Sci Rep 2023; 13:11604. [PMID: 37463987 DOI: 10.1038/s41598-023-38747-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/13/2023] [Indexed: 07/20/2023] Open
Abstract
Insect farming, a potential approach to deal with the increasing global protein demand, is a new activity in the Western world with many unanswered questions regarding product quality and safety. Insects may fulfill an important role in a circular economy by upcycling biowaste into valuable biomass. About half of the total mass of mealworm feeding substrates exists out of wet feed. This can be sourced from biowaste, increasing the sustainability of insect farming. This paper reports on the nutritional profile of yellow mealworm, Tenebrio molitor, reared with supplementation of organic sidestreams. These included unsold vegetables, potato cuttings, fermented chicory roots and horticultural foliage. The evaluation was performed by analyzing proximate compositions, fatty acid profiles, mineral and heavy metal contents. Mealworms fed with potato cuttings doubled their fat content and increased saturated and mono-unsaturated fatty acids. Providing fermented chicory roots increased the mineral content and accumulated heavy metals. Additionally, the uptake of minerals by mealworms was selective as only calcium, iron and manganese concentrations increased. Adding vegetable mix or horticultural foliage to the diet did not significantly change the nutritional profile. In conclusion, sidestreams were successfully recycled into protein-rich biomass and their nutrient content and bio-availability influenced the composition of mealworms.
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Affiliation(s)
- Isabelle Noyens
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium.
| | - Floris Schoeters
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium
| | - Meggie Van Peer
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium
| | - Siebe Berrens
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium
| | - Sarah Goossens
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium
| | - Sabine Van Miert
- RADIUS, Thomas More University of Applied Sciences, Kleinhoefstraat 4, 2440, Geel, Belgium
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Kröncke N, Wittke S, Steinmann N, Benning R. Analysis of the Composition of Different Instars of Tenebrio molitor Larvae using Near-Infrared Reflectance Spectroscopy for Prediction of Amino and Fatty Acid Content. INSECTS 2023; 14:310. [PMID: 37103125 PMCID: PMC10141721 DOI: 10.3390/insects14040310] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/18/2023] [Accepted: 03/22/2023] [Indexed: 06/19/2023]
Abstract
Insects are a sustainable protein source for food and feed. The yellow mealworm (Tenebrio molitor L.) is a promising candidate for industrial insect rearing and was the focus of this study. This research revealed the diversity of Tenebrio molitor larvae in the varying larval instars in terms of the nutritional content. We hypothesized that water and protein are highest in the earlier instar, while fat content is very low but increases with larval development. Consequently, an earlier instar would be a good choice for harvest, since proteins and amino acids content decrease with larval development. Near-infrared reflectance spectroscopy (NIRS) was represented in this research as a tool for predicting the amino and fatty acid composition of mealworm larvae. Samples were scanned with a near-infrared spectrometer using wavelengths from 1100 to 2100 nm. The calibration for the prediction was developed with modified partial least squares (PLS) as the regression method. The coefficient for determining calibration (R2C) and prediction (R2P) were >0.82 and >0.86, with RPD values of >2.20 for 10 amino acids, resulting in a high prediction accuracy. The PLS models for glutamic acid, leucine, lysine and valine have to be improved. The prediction of six fatty acids was also possible with the coefficient of the determination of calibration (R2C) and prediction (R2P) > 0.77 and >0.66 with RPD values > 1.73. Only the prediction accuracy of palmitic acid was very weak, which was probably due to the narrow variation range. NIRS could help insect producers to analyze the nutritional composition of Tenebrio molitor larvae fast and easily in order to improve the larval feeding and composition for industrial mass rearing.
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Affiliation(s)
- Nina Kröncke
- Institute of Food Technology and Bioprocess Engineering, University of Applied Sciences Bremerhaven, An der Karlstadt 8, 27568 Bremerhaven, Germany
| | - Stefan Wittke
- Laboratory for (Marine) Biotechnology, University of Applied Sciences Bremerhaven, An der Karlstadt 8, 27568 Bremerhaven, Germany
| | - Nico Steinmann
- Laboratory for (Marine) Biotechnology, University of Applied Sciences Bremerhaven, An der Karlstadt 8, 27568 Bremerhaven, Germany
| | - Rainer Benning
- Institute of Food Technology and Bioprocess Engineering, University of Applied Sciences Bremerhaven, An der Karlstadt 8, 27568 Bremerhaven, Germany
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Kröncke N, Benning R. Influence of Dietary Protein Content on the Nutritional Composition of Mealworm Larvae ( Tenebrio molitor L.). INSECTS 2023; 14:261. [PMID: 36975946 PMCID: PMC10053216 DOI: 10.3390/insects14030261] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
The use of insects as livestock feed is becoming increasingly accepted because they provide an important source of protein. The purpose of this study was to investigate the chemical composition of mealworm larvae (Tenebrio molitor L.) reared on a range of diets that differed in nutritional composition. Focus was placed on the influence of dietary protein content on larval protein and amino acid composition. For the experimental diets, wheat bran was chosen as the control substrate. The following types of flour-pea protein, rice protein, sweet lupine, and cassava, as well as potato flakes, were mixed with wheat bran and used as the experimental diets. An analysis of the moisture, protein, and fat content was then carried out for all diets and larvae. Furthermore, the amino acid profile was determined. It was shown that supplementing the feed with pea and rice protein was most suitable in terms of high protein yield in larvae (70.9-74.1% dry weight) with low fat content (20.3-22.8% dry weight). The total amino acid content was highest in larvae that were fed with a mixture of cassava flour and wheat bran (51.7 ± 0.5% dry weight), as well as the highest content of essential amino acids (30.4 ± 0.2% dry weight). Moreover, a weak correlation between larval protein content and diet was identified, yet a stronger influence of dietary fats and carbohydrates on larval composition was found. This research could result in improved formulations of artificial diets for Tenebrio molitor larvae in the future.
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Wang X, Tang T. Effects of Polystyrene Diet on the Growth and Development of Tenebrio molitor. TOXICS 2022; 10:608. [PMID: 36287887 PMCID: PMC9610515 DOI: 10.3390/toxics10100608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
In recent years, the role of Tenebrio molitor in degrading polystyrene foam through its gut microbes has become the focus of research. However, little literature has reported the effect of feeding on polystyrene foam on the growth and development of Tenebrio molitor. In this study, we investigated the impacts of different polystyrene by evaluating the vital signs of Tenebrio molitor fed in the intestines and excrement fluids using RNA-Seq t.echnology and then verifying the transcriptome sequencing findings using qRT-PCR technology. The average weight of Tenebrio molitor larvae in the wheat bran group increased significantly. Tenebrio molitor larvae in the PS group, on the other hand, didn't grow as much and had a much lower average weight than those in the wheat bran group. Compared to the bran group, the excrement of Tenebrio molitor fed only on polystyrene foam was flaky and coarse, increased nitrogen and phosphorus atomic concentration ratios by about 50%, decreased potassium atomic concentration ratios by 63%, with the enterocytes and circular muscle of Tenebrio molitor falling as well. Kyoto Encyclopedia of Genes and Genomes enrichment indicated that the differential genes were mainly related to metabolic pathways. There was an agreement between qRT-PCR and RNA-Seq analyses for the growth and development genes chitinase, heat shock protein 70, and cytochrome P450. Only feeding polystyrene foam shall lead to the growth and development retardation of Tenebrio molitor.
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Affiliation(s)
- Xiaosu Wang
- School of Tropical Medicine, Hainan Medical University, Haikou 571199, China
- NHC Key Laboratory of Tropical Disease Control, Hainan Medical University, Haikou 571199, China
| | - Tianle Tang
- School of Tropical Medicine, Hainan Medical University, Haikou 571199, China
- NHC Key Laboratory of Tropical Disease Control, Hainan Medical University, Haikou 571199, China
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Changes in the Chemical Composition of Edible Grasshoppers (Sphenarium purpurascens) Fed Exclusively with Soy Sprouts or Maize Leaves. INSECTS 2022; 13:insects13060510. [PMID: 35735847 PMCID: PMC9225435 DOI: 10.3390/insects13060510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/20/2022] [Accepted: 05/26/2022] [Indexed: 11/24/2022]
Abstract
Simple Summary One of the most used insects in Mexico is the grasshopper, which is mostly consumed as a snack and collected in open fields where maize or alfalfa is grown. In this study, diet control of grasshoppers has helped to raise some important components such as protein, unsaturated fatty acids, and fiber content. Therefore, diet control could help to obtain insects with a preferred chemical and nutrient composition, making them a more nutritious alternative for human intake. Additionally, this strategy could improve the techno-functional properties of edible insects and their incorporation as ingredients in daily food. Abstract In recent times, insects have gained attention because of their nutritional characteristics as well as the environmental advantages of their production. In this research, the effect of the diet of grasshoppers (Sphenarium purpurascens) under controlled conditions on their chemical and nutritional content was studied. The insects were divided into two groups: maize leaf-fed grasshoppers (MFG) and soy sprout-fed grasshoppers (SFG). To evaluate the changes in composition, chemical analysis (protein, fiber, fat, ashes, and chitin) was carried out in triplicate according to AOAC procedures, and a Student’s t-test was used to determine any significant differences. The results showed a higher content of crude protein, in vitro protein digestibility percentage, and sum of non-essential amino acids (NEAAs) in the MFG samples compared with the SFG samples. The total dietary fiber, insoluble dietary fiber, soluble dietary fiber, sum of the EAA, non-essential amino acid percentage (EAA%), and biological value percentage (BV%) were higher in the SFG than the MFG, while in the amino acid profile and chitin content, no significant differences were obtained, although an increase in oleic acid in the SFG was observed. In FTIR, a β-sheet appeared in the SFG, which could be related to the low in vitro protein digestibility. The use of a soy sprout diet caused changes in the chemical composition and nutritional content of grasshoppers. This represents an opportunity to improve their nutritional value for commercial interests.
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Andreadis SS, Panteli N, Mastoraki M, Rizou E, Stefanou V, Tzentilasvili S, Sarrou E, Chatzifotis S, Krigas N, Antonopoulou E. Towards Functional Insect Feeds: Agri-Food By-Products Enriched with Post-Distillation Residues of Medicinal Aromatic Plants in Tenebrio molitor (Coleoptera: Tenebrionidae) Breeding. Antioxidants (Basel) 2021; 11:antiox11010068. [PMID: 35052572 PMCID: PMC8772721 DOI: 10.3390/antiox11010068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
Sustainability, circular economy and alternative production systems are urgent imperatives for humanity and animal husbandry. Unless wasted, agri-food by-products can offer a promising source of high value. We evaluated the effect of rice bran (RB), corncob (CC), potato peels (PP), solid biogas residues (BR), and olive-oil processing residuals (OR), as alternative substrates to wheat bran (WB as control), on the growth and nutritional value of Tenebrio molitor during its breeding for animal feeds and/or human consumption. Innovation-wise, we further investigated the substrate supplementation (0, 10, 20%) with post-distillation residues of Mediterranean aromatic-medicinal plants (MAPs: lavender, Greek oregano, rosemary, olive; 1:1:1:1 ratio). Tenebrio molitor larvae (TML) were reared in all the studied substrates, and TML and diets’ proximate and fatty acid compositions as well as total phenol and flavonoid content and antioxidant potential were assessed using standard procedures. After statistical analysis of correlations, we observed that CC promoted oviposition and progeny survival; larval weight and dry matter were positively affected mainly by dietary energy and fat content; number of TML and/or larval weight increased using 10% MAPs inclusion in WB, RB and OR or RB, OR, BR and PP, respectively, which did not affect protein content; TML fatty acid composition decreased the content of saturated ones and increased that of mono-unsaturated ones; MAPs residues had an apparent favorable impact on total phenolic content and antioxidant activity of each substrate, with RB displaying the highest capacity and content. These findings indicate that alternative substrates can be exploited and their enrichment with natural phenolics is able to influence T. molitor growth, offering highly beneficial and nutritional value.
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Affiliation(s)
- Stefanos S. Andreadis
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—Demeter, 57001 Thermi, Greece; (E.R.); (E.S.); (N.K.)
- Correspondence: (S.S.A.); (E.A.); Tel.: +30-2310-471110 (S.S.A.); +30-2310-998563 (E.A.)
| | - Nikolas Panteli
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.P.); (M.M.); (V.S.); (S.T.)
| | - Maria Mastoraki
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.P.); (M.M.); (V.S.); (S.T.)
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, Gournes Pediados, 71003 Heraklion, Greece;
| | - Eleftheria Rizou
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—Demeter, 57001 Thermi, Greece; (E.R.); (E.S.); (N.K.)
| | - Vassilia Stefanou
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.P.); (M.M.); (V.S.); (S.T.)
| | - Sofia Tzentilasvili
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.P.); (M.M.); (V.S.); (S.T.)
| | - Eirini Sarrou
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—Demeter, 57001 Thermi, Greece; (E.R.); (E.S.); (N.K.)
| | - Stavros Chatzifotis
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, Gournes Pediados, 71003 Heraklion, Greece;
| | - Nikos Krigas
- Institute of Plant Breeding and Genetic Resources, Hellenic Agricultural Organization—Demeter, 57001 Thermi, Greece; (E.R.); (E.S.); (N.K.)
| | - Efthimia Antonopoulou
- Department of Zoology, School of Biology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (N.P.); (M.M.); (V.S.); (S.T.)
- Correspondence: (S.S.A.); (E.A.); Tel.: +30-2310-471110 (S.S.A.); +30-2310-998563 (E.A.)
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Rizou E, Kalogiouri N, Bisba M, Papadimitriou A, Kyrila G, Lazou A, Andreadis S, Hatzikamari M, Mourtzinos I, Touraki M. Amelioration of growth, nutritional value, and microbial load of Tenebrio molitor (Coleoptera: Tenebrionidae) through probiotic supplemented feed. Eur Food Res Technol 2021. [DOI: 10.1007/s00217-021-03925-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Chinarak K, Panpipat W, Summpunn P, Panya A, Phonsatta N, Cheong LZ, Chaijan M. Insights into the effects of dietary supplements on the nutritional composition and growth performance of sago palm weevil (Rhynchophorus ferrugineus) larvae. Food Chem 2021; 363:130279. [PMID: 34120049 DOI: 10.1016/j.foodchem.2021.130279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/09/2021] [Accepted: 05/31/2021] [Indexed: 11/16/2022]
Abstract
Nutritional composition and growth performance of sago palm weevil larvae (SPWL) fed with ground sago palm trunk mixed with different supplements including commercial pig feed, rice bran, cornmeal, soybean meal, and perilla seed were evaluated. SPWL fed with supplemented diets were richer in protein, lipid, and mineral contents (p < 0.05). Marked increases in polyunsaturated fatty acids (10.75-fold) and omega-3 fatty acids (25.42-fold) with the lowest n-6:n-3 ratio, atherogenicity index, and thrombogenicity index were found in SPWL fed with perilla seed (p < 0.05). Perilla seed, cornmeal, and soybean meal improved essential amino acid content and essential amino acid index of SPWL. Growth performance varied, depending on feed compositions, where a comparable or even greater effect was observed in SPWL fed with supplemented diets compared to control. Therefore, plant-based supplements, especially perilla seed, efficiently improved nutritional quality of SPWL, making them more attractive in terms of nutritional and economical value.
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Affiliation(s)
- Khanittha Chinarak
- Food Technology and Innovation Research Centre of Excellence, Department of Food Science and Innovation, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Worawan Panpipat
- Food Technology and Innovation Research Centre of Excellence, Department of Food Science and Innovation, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand.
| | - Pijug Summpunn
- Food Technology and Innovation Research Centre of Excellence, Department of Food Science and Innovation, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Atikorn Panya
- Food Biotechnology Research Unit, National Centre for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Rd., Khlong Nueng, Khlong Luang, Pathumthani 12120, Thailand
| | - Natthaporn Phonsatta
- Food Biotechnology Research Unit, National Centre for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Rd., Khlong Nueng, Khlong Luang, Pathumthani 12120, Thailand
| | - Ling-Zhi Cheong
- Department of Food Science and Engineering, School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Manat Chaijan
- Food Technology and Innovation Research Centre of Excellence, Department of Food Science and Innovation, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
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Rumbos CI, Athanassiou CG. 'Insects as Food and Feed: If You Can't Beat Them, Eat Them!'-To the Magnificent Seven and Beyond. JOURNAL OF INSECT SCIENCE (ONLINE) 2021; 21:9. [PMID: 33822126 PMCID: PMC8023366 DOI: 10.1093/jisesa/ieab019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Indexed: 05/04/2023]
Abstract
The objective of this special issue is to highlight the current state of research in the field of insects as food and feed, but also other aspects on the exploitation of insect farming. In this editorial, we make a short introduction of the topic of the special issue, briefly present the contributions that are collected in it and offer some thoughts on the future research priorities and challenges that should be addressed. Regarding insect farming, there are additional applications, such as fertilizer, health-promoting products, and cosmetics, that can be produced and utilized, that go far beyond food and feed production.
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Affiliation(s)
- Christos I Rumbos
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Volos, Greece
| | - Christos G Athanassiou
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Volos, Greece
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