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Summart R, Imsoonthornruksa S, Yongsawatdigul J, Ketudat-Cairns M, Udomsil N. Characterization and molecular docking of tetrapeptides with cellular antioxidant and ACE inhibitory properties from cricket ( Acheta domesticus) protein hydrolysate. Heliyon 2024; 10:e35156. [PMID: 39166016 PMCID: PMC11333913 DOI: 10.1016/j.heliyon.2024.e35156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 08/22/2024] Open
Abstract
Wide-ranging bioactivities of enzymatically digested insect protein to produce peptides have been targeted for functional food development. In this study, fractionated peptides obtained from cricket (Acheta domesticus) protein hydrolysate by alcalase digestion were identified and evaluated for their bioactivities. Peptide fractions F44, F45, and F46, isolated through size exclusion chromatography, demonstrated strong cytoprotective effects on SH-SY5Y and HepG2 cells exposed to H2O2. This was evidenced by a 2-fold decrease in reactive oxygen species (ROS) accumulation in the cells and a 3-fold upregulation of genes encoding antioxidant enzymes. The F45 peptide fractions also showed chemical antioxidant activities ranging from approximately 290 to 393 mg trolox/g peptide, measured by DPPH, ABTS, and FRAP assays. Furthermore, F45 demonstrated the highest angiotensin-converting enzyme I (ACE) inhibitory activity, 57.93 %. F45 induced higher levels of Nrf2, SOD1, SOD2, CAT, GSR, and GPx4 gene expression in SH-SY5Y and HepG2 cells compared to cells treated with H2O2 and no peptides (p < 0.05). Cells treated with H2O2 and F45 exhibited significantly increased antioxidant enzyme activity, including SOD, CAT, GSR, and GPx (p < 0.05). The F45B fraction from F45 was sequenced to obtain FVEG and FYDQ tetrapeptides. Molecular docking analysis revealed their high binding affinity to cellular antioxidant enzymes (SOD, CAT, GSR, GPx1, and GPx4), an antioxidant-related protein (Keap1), and ACE. These results suggest that the novel tetrapeptides from Acheta domesticus demonstrate important biological activities, establishing them as significant cellular antioxidant activities and a potential source of antihypertensive peptides.
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Affiliation(s)
- Ratasark Summart
- Division of Food Technology, Mahidol University Kanchanaburi Campus, Kanchanaburi, 71150, Thailand
| | - Sumeth Imsoonthornruksa
- Center for Biomolecular Structure Function and Application, School of Biotechnology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Jirawat Yongsawatdigul
- School of Food Technology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Mariena Ketudat-Cairns
- Center for Biomolecular Structure Function and Application, School of Biotechnology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Natteewan Udomsil
- Division of Food Technology, Mahidol University Kanchanaburi Campus, Kanchanaburi, 71150, Thailand
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Wiriyacharee P, Chalermchat Y, Siriwoharn T, Jirarattanarangsri W, Tangjaidee P, Chaipoot S, Phongphisutthinant R, Pandith H, Muangrat R. Utilizing Supercritical CO 2 for Bee Brood Oil Extraction and Analysis of Its Chemical Properties. Foods 2024; 13:2486. [PMID: 39200413 PMCID: PMC11354136 DOI: 10.3390/foods13162486] [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: 07/11/2024] [Revised: 08/01/2024] [Accepted: 08/05/2024] [Indexed: 09/02/2024] Open
Abstract
To obtain oil from bee brood, which was dried using a tray drying method, this study used the supercritical CO2 extraction method. Extraction occurred at temperatures between 40-60 °C and low pressures of 180-220 bar for 1.5 h, with a high pressure of 600 bar for 1 h. The study investigated both the yield and chemical properties of the extracted bee brood oils. Supercritical CO2 extraction of tray-dried bee brood at 600 bar pressure demonstrated higher oil extraction efficiency compared to lower pressures (180-220 bar). At temperatures of 40-60 °C, total phenolic compounds increased while total flavonoids decreased. The extracted oil exhibited antioxidant activity, primarily due to quercetin. Despite decreased acid, iodine, and saponification values, peroxide value slightly increased but remained below 12 meqO2/kg of oil. The make-up of the fatty acids changed. At 600 bar, palmitic and oleic acids were the most common, while myristic, linoleic, and docosadienoic acids decreased. At 600 bar, eicosadienoic acid was absent. The defatted bee brood retained significant essential and non-essential amino acids, indicating its potential for further development as a protein source.
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Affiliation(s)
- Pairote Wiriyacharee
- Division of Product Development Technology, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand;
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (R.P.)
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Yongyut Chalermchat
- Division of Food Process Engineering, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand;
- Bioactive Compound Extraction Research Unit, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (T.S.); (W.J.); (P.T.)
| | - Thanyaporn Siriwoharn
- Bioactive Compound Extraction Research Unit, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (T.S.); (W.J.); (P.T.)
- Division of Food Science and Technology, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand
| | - Wachira Jirarattanarangsri
- Bioactive Compound Extraction Research Unit, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (T.S.); (W.J.); (P.T.)
- Division of Food Science and Technology, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand
| | - Pipat Tangjaidee
- Bioactive Compound Extraction Research Unit, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (T.S.); (W.J.); (P.T.)
- Division of Food Science and Technology, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand
| | - Supakit Chaipoot
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (R.P.)
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Rewat Phongphisutthinant
- Multidisciplinary Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand; (S.C.); (R.P.)
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Hataichanok Pandith
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Rattana Muangrat
- Division of Food Process Engineering, Faculty of Agro-Industry, Chiang Mai University, Mae-Here, Muang, Chiang Mai 50100, Thailand;
- Bioactive Compound Extraction Research Unit, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (T.S.); (W.J.); (P.T.)
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Knežić T, Avramov M, Tatić V, Petrović M, Gadjanski I, Popović ŽD. Insects as a Prospective Source of Biologically Active Molecules and Pharmaceuticals-Biochemical Properties and Cell Toxicity of Tenebrio molitor and Zophobas morio Cell-Free Larval Hemolymph. Int J Mol Sci 2024; 25:7491. [PMID: 39000598 PMCID: PMC11242118 DOI: 10.3390/ijms25137491] [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: 04/30/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/16/2024] Open
Abstract
Insects are of great interest as novel sources of alternative proteins and biologically active compounds, primarily anticancer agents. Protein-rich insect larval hemolymph is a prospective candidate for pharmaceutical and food industry-related research. In this study, selected biochemical properties and cell toxicity of larval hemolymph from two mealworm species, Tenebrio molitor and Zophobas morio, were analyzed. Total proteins and carbohydrates, antioxidant capacity, and the level of lipid peroxidation were determined. Human cancer (U-87) and normometabolic (MRC-5) cells were treated with different concentrations of larval hemolymph proteins, and the effects on cell viability were assayed 24, 48, and 72 h after treatments. Z. morio hemolymph was shown to be richer in total proteins, showing a higher antioxidant capacity and lipid peroxidation level than T. molitor hemolymph, which was richer in total carbohydrates. Cytotoxicity assays showed that T. molitor and Z. morio hemolymphs differently affect the viability of U-87 and MRC-5 cells in cell type-, dose-, and time-dependent manners. Hemolymph from both species was more cytotoxic to U-87 cells than to MRC-5 cells, which was particularly prominent after 48 h. Additionally, a more potent cytotoxic effect of Z. morio hemolymph was observed on both cell lines, likely due to its higher antioxidant capacity, compared to T. molitor hemolymph.
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Affiliation(s)
- Teodora Knežić
- Center for Biosystems, BioSense Institute, University of Novi Sad, 21000 Novi Sad, Serbia;
| | - Miloš Avramov
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, 21000 Novi Sad, Serbia; (M.A.); (V.T.)
| | - Vanja Tatić
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, 21000 Novi Sad, Serbia; (M.A.); (V.T.)
| | - Miloš Petrović
- Department of Plant and Environmental Protection, Faculty of Agriculture, University of Novi Sad, 21000 Novi Sad, Serbia;
| | - Ivana Gadjanski
- Center for Biosystems, BioSense Institute, University of Novi Sad, 21000 Novi Sad, Serbia;
| | - Željko D. Popović
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, 21000 Novi Sad, Serbia; (M.A.); (V.T.)
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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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Choi N, Park S, Park Y, Park G, Oh S, Kim YA, Lim Y, Jang S, Kim Y, Ahn KS, Feng X, Choi J. Effects of Edible Insect Powders as Meat Partial Substitute on Physicochemical Properties and Storage Stability of Pork Patties. Food Sci Anim Resour 2024; 44:817-831. [PMID: 38974719 PMCID: PMC11222701 DOI: 10.5851/kosfa.2024.e17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 07/09/2024] Open
Abstract
In this study, physicochemical and antioxidant properties, and storage stability (1, 3, and 7 days) of pork patties added with edible insect powders (EIP) of four species (Larvae of Tenenbrio molitor, Protaetia brevitarsis seulensis, Allomyrina dichotoma, and Gryllus bimaculatus) as meat partial substitutes were investigated. Twenty percent of each EIP was added to pork patties, and four treatments were prepared. On the other hand, two control groups were set, one with 0.1 g of ascorbic acid and the other without anything. Adding EIP decreased water content but increased protein, fat, carbohydrate, and ash contents. In addition, the use of EIP increased the water holding capacity and texture properties as well as decreased the cooking loss. However, the sensory evaluation and storage stability were negatively affected by the addition of EIP. The 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity had a positive effect on storage stability. It is believed that the addition of EIP resulted in high antioxidants due to the presence of polyphenol compounds in EIP. These results indicate that EIP has great potential to be used as meat partial substitute to improve the quality improvement and antioxidant in pork patties. However, in order to improve storage stability and consumer preference, further research is needed to apply it to patties by reducing the amount of EIP or adding auxiliary ingredients.
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Affiliation(s)
- Nayoung Choi
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Sanghun Park
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Yunhwan Park
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Gyutae Park
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Sehyuk Oh
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Yun-a Kim
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Youngho Lim
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Soyoung Jang
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Youngjin Kim
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
| | - Ki-Su Ahn
- Chungcheongbuk-do Research and Extension
Services, Cheongju 28130, Korea
| | - Xi Feng
- Department of Nutrition, Food Science, and
Packaging, San Jose State University, San Jose, CA 95192,
United States
| | - Jungseok Choi
- Department of Animal Science, Chungbuk
National University, Cheongju 28644, Korea
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Cruz VA, Ferreira NJ, Le Roux E, Destandau E, de Oliveira AL. Intensification of the SFE Using Ethanol as a Cosolvent and Integration of the SFE Process with sc-CO 2 Followed by PLE Using Pressurized Ethanol of Black Soldier Fly ( Hermetia illucens L.) Larvae Meal-Extract Yields and Characterization. Foods 2024; 13:1620. [PMID: 38890848 PMCID: PMC11171942 DOI: 10.3390/foods13111620] [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: 04/10/2024] [Revised: 04/30/2024] [Accepted: 05/04/2024] [Indexed: 06/20/2024] Open
Abstract
The objective of this research was to investigate and compare the results obtained in the intensification and integration of (sc-CO2) under different pressure conditions (25 and 30 MPa) at 60 °C. When intensifying the process, ethanol (10%) was used as a co-solvent (sc-CO2 + EtOH). In the process integration, black soldier fly larvae flour, defatted via supercritical extraction (SFE), was the raw material for pressurized liquid extraction (PLE) using ethanol as solvent. The extract yields, fatty acid profile, free fatty acids, triacylglycerols (TAGs), oxidative stability, and nutritional quality of the oil obtained using sc-CO2 + EtOH were evaluated. The composition of bioactive compounds (carotenoids, acidity, antioxidant compounds, tocopherols, and phospholipids) was determined in both extracts. The yields of the extracts were different by 32.5 to 53.9%. In the extracts obtained with sc-CO2 + EtOH (10%), the predominant fatty acids were oleic, palmitic, and linoleic, with considerable levels of desirable fatty acids (DFA), tocopherols, and phospholipids. The nutritional indices showed good values for polyunsaturated and saturated fatty acids (PUFAs/SFAs), above 0.45%. Extracts from larvae meal defatted with SFE showed carotenoids, phenolic compounds, and antioxidant activity. HPTLC and HPLC analyses indicated the presence of amino acids, sugars, phenolics, and organic acids in their composition. This study revealed that the supercritical fluid extraction (SFE) process, or its conditions, can modify the fatty acid composition and the presence of minor bioactive compounds in the obtained extracts.
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Affiliation(s)
- Vanessa Aparecida Cruz
- High-Pressure Technology and Natural Products Laboratory (LTAPPN), Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, 225 Duque de Caxias Norte Avenue, Pirassununga 13635-900, SP, Brazil; (V.A.C.); (N.J.F.)
| | - Nilson José Ferreira
- High-Pressure Technology and Natural Products Laboratory (LTAPPN), Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, 225 Duque de Caxias Norte Avenue, Pirassununga 13635-900, SP, Brazil; (V.A.C.); (N.J.F.)
| | - Elise Le Roux
- Institut de Chimie Organique et Analytique, Université d’Orléans, CNRS, UMR 7311, BP6759, Orléans Cedex 2, 45067 Orléans, France; (E.L.R.); (E.D.)
| | - Emilie Destandau
- Institut de Chimie Organique et Analytique, Université d’Orléans, CNRS, UMR 7311, BP6759, Orléans Cedex 2, 45067 Orléans, France; (E.L.R.); (E.D.)
| | - Alessandra Lopes de Oliveira
- High-Pressure Technology and Natural Products Laboratory (LTAPPN), Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, 225 Duque de Caxias Norte Avenue, Pirassununga 13635-900, SP, Brazil; (V.A.C.); (N.J.F.)
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Tanga CM, Ekesi S. Dietary and Therapeutic Benefits of Edible Insects: A Global Perspective. ANNUAL REVIEW OF ENTOMOLOGY 2024; 69:303-331. [PMID: 37758222 DOI: 10.1146/annurev-ento-020123-013621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Edible insects are gaining traction worldwide for research and development. This review synthesizes a large and well-established body of research literature on the high nutritional value and variety of pharmacological properties of edible insects. Positive benefits of insect-derived products include immune enhancement; gastrointestinal protection; antitumor, antioxidant, and anti-inflammatory capacities; antibacterial activities; blood lipid and glucose regulation; lowering of blood pressure; and decreased risk of cardiovascular diseases. However, the pharmacological mechanisms of these active components of edible insects in humans have received limited research attention. In addition, we discuss health risks (safety); application prospects; regulations and policies governing their production and consumption with a view to promote innovations, intraglobal trade, and economic development; and suggestions for future directions for further pharmacological functional studies. The aim is to review the current state of knowledge and research trends on edible insects as functional ingredients beneficial to the nutrition and health of humans and animals (livestock, aquatic species, and pets).
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Affiliation(s)
- Chrysantus Mbi Tanga
- International Centre of Insect Physiology and Ecology (icipe), Nairobi, Kenya; ,
| | - Sunday Ekesi
- International Centre of Insect Physiology and Ecology (icipe), Nairobi, Kenya; ,
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Conway A, Jaiswal S, Jaiswal AK. The Potential of Edible Insects as a Safe, Palatable, and Sustainable Food Source in the European Union. Foods 2024; 13:387. [PMID: 38338521 PMCID: PMC10855650 DOI: 10.3390/foods13030387] [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: 11/27/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/12/2024] Open
Abstract
Entomophagy describes the practice of eating insects. Insects are considered extremely nutritious in many countries worldwide. However, there is a lethargic uptake of this practice in Europe where consuming insects and insect-based foodstuffs is often regarded with disgust. Such perceptions and concerns are often due to a lack of exposure to and availability of food-grade insects as a food source and are often driven by neophobia and cultural norms. In recent years, due to accelerating climate change, an urgency to develop alternate safe and sustainable food-sources has emerged. There are currently over 2000 species of insects approved by the World Health Organization as safe to eat and suitable for human consumption. This review article provides an updated overview of the potential of edible insects as a safe, palatable, and sustainable food source. Furthermore, legislation, food safety issues, and the nutritional composition of invertebrates including, but not limited, to crickets (Orthoptera) and mealworms (Coleoptera) are also explored within this review. This article also discusses insect farming methods and the potential upscaling of the industry with regard to future prospects for insects as a sustainable food source. Finally, the topics addressed in this article are areas of potential concern to current and future consumers of edible insects.
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Affiliation(s)
- Ann Conway
- School of Food Science and Environmental Health, Faculty of Sciences and Health, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 ADY7, Ireland; (A.C.); (S.J.)
- Environmental Sustainability and Health Institute, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 H6K8, Ireland
| | - Swarna Jaiswal
- School of Food Science and Environmental Health, Faculty of Sciences and Health, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 ADY7, Ireland; (A.C.); (S.J.)
- Environmental Sustainability and Health Institute, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 H6K8, Ireland
| | - Amit K. Jaiswal
- School of Food Science and Environmental Health, Faculty of Sciences and Health, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 ADY7, Ireland; (A.C.); (S.J.)
- Environmental Sustainability and Health Institute, Technological University Dublin—City Campus, Grangegorman, Dublin 7, D07 H6K8, Ireland
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9
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Huang W, Wang C, Chen Q, Chen F, Hu H, Li J, He Q, Yu X. Physicochemical, functional, and antioxidant properties of black soldier fly larvae protein. J Food Sci 2024; 89:259-275. [PMID: 37983838 DOI: 10.1111/1750-3841.16846] [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: 09/01/2023] [Revised: 10/22/2023] [Accepted: 11/01/2023] [Indexed: 11/22/2023]
Abstract
This study explores the multifaceted attributes of black soldier fly larvae protein (BSFLP), focusing on its physicochemical, functional, and antioxidant properties. BSFLP is characterized by 16 amino acids, with a predominant random coil secondary structure revealed by circular dichroism spectra. Differential scanning calorimetry indicates a substantial thermal denaturation temperature of 97.63°C. The protein exhibits commendable solubility, emulsification, and foaming properties in alkaline and low-salt environments, albeit with reduced water-holding capacity and foam stability under elevated alkaline and high-temperature conditions. In vitro assessments demonstrate that BSFLP displays robust scavenging proficiency against 2,2-diphenyl-1-picrylhydrazyl, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid), and hydroxyl radicals, with calculated EC50 values of 1.90 ± 0.57, 0.55 ± 0.01, and 1.14 ± 0.02 mg/mL, respectively, along with notable reducing capabilities. Results from in vivo antioxidant experiments reveal that BSFLP, administered at doses of 300 and 500 mg/kg, significantly enhances the activities of antioxidant enzymes (superoxide dismutase, catalase, and glutathione peroxidase) (p < 0.05) while simultaneously reducing malondialdehyde levels in both serum and tissues of d-galactose-induced oxidative stress in mice. Moreover, the protein effectively attenuates oxidative damage in liver and hippocampal tissues. These findings underscore the potential utility of BSFLP as a natural antioxidant source, with applications spanning the food, pharmaceutical, and cosmetic industries. PRACTICAL APPLICATION: Black soldier fly larvae protein emerges as an environmentally sustainable reservoir of natural antioxidants, holding significant promise for the food, pharmaceutical, and cosmetic sectors. Its advantageous amino acid composition, robust thermal resilience, and impressive functional attributes position it as a compelling subject for continued investigation and advancement in various applications.
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Affiliation(s)
- Wangxiang Huang
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Chen Wang
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Qianzi Chen
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Feng Chen
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Haohan Hu
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Jianfei Li
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Qiyi He
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Xiaodong Yu
- Engineering Research Center of Biotechnology for Active Substances, Ministry of Education School of Life Sciences, Chongqing Normal University, Chongqing, China
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Zielińska E, Pankiewicz U. The Potential for the Use of Edible Insects in the Production of Protein Supplements for Athletes. Foods 2023; 12:3654. [PMID: 37835307 PMCID: PMC10573045 DOI: 10.3390/foods12193654] [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: 08/30/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Several types of proteins are used in athletes' supplementation; nevertheless, given the problem of protein deficiency in the world and the growing need for ecological sources of protein, it is very interesting to study the quality of alternative protein sources, such as insect protein. This study investigated the nutritional value, micronutrient content, amino acid profile, and chemical score of banded cricket protein quality in the form of flour, defatted flour, and a protein preparation, as well as popular commercial protein supplements. In addition, in vitro digestion was performed, and the antiradical activity of the hydrolysates was compared. Generally, the defatted cricket flour was the most similar to commercial supplements regarding nutritional value because it contained 73.68% protein. Furthermore, the defatted flour was abundant in essential minerals, such as iron (4.59 mg/100 g d.w.), zinc (19.01 mg/100 g d.w.), and magnesium (89.74 mg/100 g d.w.). However, the protein preparation had an amino acid profile more similar to that of commercial supplements (total content of 694 mg/g protein). The highest antiradical activity against ABTS·+ was noted for the defatted flour (0.901 mM TE/100 g) and against DPPH· for the cricket flour (2.179 mM TE/100 g). Therefore, cricket can be considered an organic protein source for the production of valuable protein supplements.
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Affiliation(s)
- Ewelina Zielińska
- Department of Analysis and Food Quality Assessment, University of Life Sciences in Lublin, Skromna 8 Street, 20-704 Lublin, Poland;
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11
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Farouk AE, Fahmy SR, Soliman AM, Ibrahim SA, Sadek SA. A nano-Liposomal formulation potentiates antioxidant, anti-inflammatory, and fibrinolytic activities of Allolobophora caliginosa coelomic fluid: formulation and characterization. BMC Biotechnol 2023; 23:28. [PMID: 37537554 PMCID: PMC10401763 DOI: 10.1186/s12896-023-00795-5] [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: 06/07/2023] [Accepted: 07/20/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND Coelomic fluid, a pharmacologically active compound in earthworms, exhibits a range of biological activities, including antioxidant, anti-inflammatory, and anticancer. However, the biological activities exerted by the coelomic fluid can be restrained by its low bioavailability and stability. Liposomes are progressively utilized as an entrapment system for natural bioactive compounds with poor bioavailability and stability, which could be appropriate for coelomic fluid. Thus, the present study was designed to fabricate, characterize, and evaluate the stability of liposomal formulation for Allolobophora caliginosa coelomic fluid (ACCF) as a natural antioxidant compound. METHODS The ACCF-liposomes were developed with a subsequent characterization of their physicochemical attributes. The physical stability, ACCF release behavior, and gastrointestinal stability were evaluated in vitro. The biological activities of ACCF and its liposomal formulation were also determined. RESULTS The liposomal formulation of ACCF had a steady characteristic absorption band at 201 nm and a transmittance of 99.20 ± 0.10%. Its average hydrodynamic particle size was 98 nm, with a PDI of 0.29 ± 0.04 and a negative zeta potential (-38.66 ± 0.33mV). TEM further confirmed the formation of vesicular, spherical nano-liposomes with unilamellar configuration. Additionally, a remarkable entrapment efficiency percent (77.58 ± 0.82%) with a permeability rate equal to 3.20 ± 0.31% and a high retention rate (54.16 ± 2.20%) for ACCF-liposomes were observed. The Fourier transform infrared spectroscopy (FTIR) result demonstrated that ACCF successfully entrapped inside liposomes. The ACCF-liposomes exhibited a slow and controlled ACCF release in vitro. Regarding stability studies, the liposomal formulation enhanced the stability of ACCF during storage and at different pH. Furthermore, ACCF-liposomes are highly stable in intestinal digestion conditions comparable to gastric digestion. The current study disclosed that liposomal formulation potentiates the biological activities of ACCF, especially antioxidant, anti-inflammatory, and thrombolytic activities. CONCLUSION These promising results offer a novel approach to increasing the bioaccessibility of ACCF, which may be crucial for the development of pharmaceuticals and nutraceutical-enriched functional foods.
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Affiliation(s)
- Asmaa E Farouk
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt.
| | - Sohair R Fahmy
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Amel M Soliman
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | | | - Shimaa A Sadek
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt
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12
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Grzelczyk J, Gałązka-Czarnecka I, Oracz J. Potentiality Assessment of the Acetylcholinesterase-Inhibitory Activity of Olive Oil with an Additive Edible Insect Powder. Molecules 2023; 28:5535. [PMID: 37513405 PMCID: PMC10386343 DOI: 10.3390/molecules28145535] [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: 06/29/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Edible insects (Alphitobius diaperinus Panzer, Gryllus campestris, Tenebrio molitor, Chorthippus biguttulus) are rich in nutrients that potentially inhibit acetylcholinesterase (AChE), but also improve cognition. The aim of this study was to evaluate four varied species of freeze-dried edible insects (purchased from a store); their nutrient composition, including fat, total phenolic compounds, vitamins, and antioxidant properties; and the potential inhibitory effect of AChE. An additional goal was to obtain olive oil with the addition of edible insects. Such oil was characterized by high oxidizing properties and showed high affinity to AChE. The results showed that mealworms and grasshoppers had the highest content of fats (PUFA/SFA) and phenolic compounds. These insects also showed a high content of vitamins, which correlated with the highest affinity for AChE. Therefore, they were added as a functional additive to olive oil. Olive oil with the addition of edible insects showed a higher affinity for AChE and enriched the olive oil with vitamin C and B vitamins.
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Affiliation(s)
- Joanna Grzelczyk
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-537 Lodz, Poland
| | - Ilona Gałązka-Czarnecka
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-537 Lodz, Poland
| | - Joanna Oracz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-537 Lodz, Poland
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D’Antonio V, Battista N, Di Mattia CD, Sacchetti G, Ramal-Sanchez M, Prete R, Angelino D, Serafini M. Edible insects and legumes exert an antioxidant effect on human colon mucosal cells stressed with 2,2'-azobis (2-amidinopropane)-dihydrochloride. Front Nutr 2023; 10:1219837. [PMID: 37485379 PMCID: PMC10358759 DOI: 10.3389/fnut.2023.1219837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/22/2023] [Indexed: 07/25/2023] Open
Abstract
Introduction Edible insects have been recognized as a more sustainable source of nutrients and bio-active compounds than animal-based products, in line with classical vegetable sources such as legumes. In this study, we assessed the antioxidant properties of four edible insects (silkworms, grasshoppers, mealworms and giant worms) and four legume seeds (lentils, chickpeas, Roveja peas and grass peas). Methods After the aqueous extraction or in vitro simulated digestion process, selected products were assessed for: (i) in vitro antioxidant capacity through Ferric Reducing Antioxidant Power (FRAP) assay; (ii) the ability to reduce free radicals production induced by a pro-oxidant agent in cells of human colonic mucosa. Results All the aqueous extracts and digesta of edible insects displayed significantly higher in vitro antioxidant activity than legumes. Moreover, edible insects at all tested concentrations were able to exert an antioxidant effect in the cellular model, while legumes were effective mainly at high concentrations. Discussion Despite human trials are need to confirm and define these results in a physiological situation, here we suggest a role for edible insects in oxidative stress prevention. Since oxidative stress is strongly correlated with several intestinal pathologies, the results obtained could be interesting for the prevention and relief of the negative symptoms, offering new advantages to their already known ecological and nutritional properties.
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Nemadodzi LE, Managa GM, Prinsloo G. The Use of Gonimbrasia belina (Westwood, 1849) and Cirina forda (Westwood, 1849) Caterpillars (Lepidoptera: Sarturniidae) as Food Sources and Income Generators in Africa. Foods 2023; 12:foods12112184. [PMID: 37297431 DOI: 10.3390/foods12112184] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 05/18/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Gonimbrasia belina (mopane worm) and Cirina forda caterpillars (Lepidoptera: Saturniidae) are mostly found in shrubs and trees, from where they are collected as larvae and are widely consumed across southern Africa by rural and increasingly urban populations. These caterpillars are among the most prominent, traded, and economically beneficial edible insects found in Western African countries, but also in South Africa, Zimbabwe, Botswana, and the Democratic Republic of the Congo. Over the years, these caterpillars have evolved from being part of the diet in various communities to playing a vital role in income generation. In addition, consumption of G. belina and C. forda caterpillars as potential food sources has gained momentum due to their potential for contributing to livelihoods and mitigating food security challenges across Africa while providing significant benefits to developing countries on a socio-economic and ecological level. Edible caterpillars serve as a good source of rich nutrients such as proteins, fatty acids, and micronutrients and can be used in formulating nutrient-dense complementary foods. However, limited information is available, specifically on different trees that serve as hosts to these caterpillars, as they depend on the leaves as their only source of food. In addition, the review aims to critique and document knowledge on the nutritional benefits, acceptance of the use of these caterpillars as food security, commercial value, and level of acceptance towards the utilization of caterpillars as food sources.
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Affiliation(s)
- Lufuno Ethel Nemadodzi
- Department of Agriculture and Animal Health, University of South Africa, Private Bag X6, Florida 1710, South Africa
| | - Gudani Millicent Managa
- Department of Agriculture and Animal Health, University of South Africa, Private Bag X6, Florida 1710, South Africa
| | - Gerhard Prinsloo
- Department of Agriculture and Animal Health, University of South Africa, Private Bag X6, Florida 1710, South Africa
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Luparelli AV, Miguéns-Gómez A, Ardévol A, Sforza S, Caligiani A, Pinent M. Inhibition of DPP-IV Activity and Stimulation of GLP-1 Release by Gastrointestinally Digested Black Soldier Fly Prepupae. Foods 2023; 12:foods12102027. [PMID: 37238845 DOI: 10.3390/foods12102027] [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: 04/03/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
The beneficial effects of an insect-based diet on human health and, in particular, the regulatory ability of digested insects' proteins on the glycaemic response in humans are topics that need to be investigated deeper. In this work, we performed an in vitro study on the modulatory activity of gastrointestinal digested black soldier fly (BSF) prepupae on the enterohormone GLP-1 and its natural inhibitor, DPP-IV. We verified whether actions intended to valorise the starting insect biomass, i.e., insect-optimised growth substrates and prior fermentation, can positively impact human health. Our results highlight that the digested BSF proteins from all the prepupae samples had a high stimulatory and inhibitory ability on the GLP-1 secretion and the DPP-IV enzyme in the human GLUTag cell line. Gastrointestinal digestion significantly improved the DPP-IV inhibitory capacity of the whole insect protein. Moreover, it was seen that optimised diets or fermentation processes preceding the digestion, in any case, did not positively affect the efficacy of the answer. BSF was already considered one of the edible insects more suitable for human consumption for its optimal nutritional profile. The BSF bioactivity here shown, after simulated digestion, on glycaemic control systems makes this species even more promising.
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Affiliation(s)
- Anna Valentina Luparelli
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 49/a, 43124 Parma, Italy
| | - Alba Miguéns-Gómez
- MoBioFood Research Group, Department de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, c/Marcel·lí Domingo n 1, 43007 Tarragona, Spain
| | - Anna Ardévol
- MoBioFood Research Group, Department de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, c/Marcel·lí Domingo n 1, 43007 Tarragona, Spain
| | - Stefano Sforza
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 49/a, 43124 Parma, Italy
| | - Augusta Caligiani
- Department of Food and Drug, University of Parma, Parco Area delle Scienze 49/a, 43124 Parma, Italy
| | - Montserrat Pinent
- MoBioFood Research Group, Department de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, c/Marcel·lí Domingo n 1, 43007 Tarragona, Spain
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Tran NB, Lee H, Lee SJ. Extracts from the edible insects Gryllus bimaculatus and Oxya chinensis sinuosa as an effective postnatal therapy for improving autistic behavior through blood-brain barrier control and gut microbiota. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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Gumul D, Oracz J, Kowalski S, Mikulec A, Skotnicka M, Karwowska K, Areczuk A. Bioactive Compounds and Antioxidant Composition of Nut Bars with Addition of Various Edible Insect Flours. Molecules 2023; 28:molecules28083556. [PMID: 37110790 PMCID: PMC10143157 DOI: 10.3390/molecules28083556] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/13/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Edible insects represent a new functional source of nutrients that can contribute to solving nutritional deficiency problems. The antioxidant potential and bioactive compounds of nut bars with the addition of three edible insects were evaluated. Acheta domesticus L., Alphitobius diaperinus P. and Tenebrio molitor L. flours were used. A 30% share of insect flour in the bars resulted in significantly greater antioxidant activity (TPC increased from 190.19 for standard bars to 309.45 mg catechin/100 g for bars with 30% addition of cricket flour). Insect flour contributed significantly to an increase in 2,5-dihydrobenzoic acid (from 0.12 for bars with a 15% share of buffalo worm flour to 0.44 mg/100 g in the case of bars with a 30% share of cricket flour) and chlorogenic acid in all bars (from 0.58 for bars with a 15% share of cricket flour to 3.28 mg/100 g for bars with a 30% addition of buffalo worm flour), compared to the standard. The highest content of tocopherols was found in bars with cricket flour, compared to standard bars (43.57 and 24.06 mg/100 g of fat, respectively). The dominant sterol in bars enriched with insect powder was cholesterol. The highest amount of it was found in cricket bars, and the lowest in mealworm bars (64.16 and 21.62 mg/100 g of fat, respectively). The enrichment of nut bars with insect flours raises the levels of valuable phytosterols in the final product. The addition of edible insect flours reduced the perception of most sensory attributes of the bars, compared to the standard bar.
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Affiliation(s)
- Dorota Gumul
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland
| | - Joanna Oracz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 2/22 Stefanowskiego Street, 90-537 Lodz, Poland
| | - Stanisław Kowalski
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland
| | - Anna Mikulec
- Faculty of Engineering Sciences, University of Applied Science in Nowy Sacz, 1a Zamenhofa Street, 33-300 Nowy Sacz, Poland
| | - Magdalena Skotnicka
- Department of Commodity Science, Faculty of Health Sciences, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Kaja Karwowska
- Department of Commodity Science, Faculty of Health Sciences, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Anna Areczuk
- Department of Carbohydrate Technology and Cereal Processing, Faculty of Food Technology, University of Agriculture in Krakow, 122 Balicka Street, 30-149 Krakow, Poland
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Mohd Zaini NS, Lim EJ, Ahmad NH, Gengatharan A, Wan-Mohtar WAAQI, Abd Rahim MH. The Review of Cooking, Drying, and Green Extraction Methods on General Nutritional Properties of Mealworms and Locusts. FOOD BIOPROCESS TECH 2023; 16:1-15. [PMID: 36844636 PMCID: PMC9940687 DOI: 10.1007/s11947-023-03020-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 02/05/2023] [Indexed: 02/23/2023]
Abstract
The processing of edible insects as an alternative source of nutrition may be a key driver in the development of a sustainable food and feed system. This review will study two industrial types of insects-mealworms and locusts-and summarize evidence related to the impact of processing on their micro- and macronutritional characteristics. The focus will be on their potential use as food for human consumption as opposed to animal feed. Literature has indicated that these two insects have the potential to provide protein and fat qualities comparable to or better than traditional mammalian sources. For example, mealworms-the larval form of the yellow mealworm beetlepossess a higher fat content, while adult locusts are rich in fibers, especially chitin. However, due to the different matrix and nutrient compositions, the processing of mealworms or locusts at a commercial scale needs to be tailored to minimize nutritional loss and maximize cost efficiency. The stages of preprocessing, cooking, drying, and extraction are the most critical control points for nutritional preservation. Thermal cooking applications such as microwave technology have demonstrated promising results, but the generation of heat may contribute to a certain nutritional loss. In an industrial context, drying using freeze dry is the preferred choice due to its uniformity, but it can be costly while increasing lipid peroxidation. During the extraction of nutrients, the use of green emerging technologies such as high hydrostatic pressure, pulsed electric field, and ultrasound may provide an alternative method to enhance nutrient preservation. Graphical Abstract
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Affiliation(s)
- Nurul Solehah Mohd Zaini
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Elicia Jitming Lim
- School of Life and Environmental Sciences, University of Sydney, Sydney, Australia
| | - Nurul Hawa Ahmad
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
- Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Ashwini Gengatharan
- Faculty of Bioeconomics and Health Sciences, Geomatika University College, 54200 Kuala Lumpur, Malaysia
| | - Wan Abd Al Qadr Imad Wan-Mohtar
- Functional Omics and Bioprocess Development Laboratory, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Muhamad Hafiz Abd Rahim
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
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Yellow Mealworm ( Tenebrio molitor) Powder Promotes a High Bioaccessible Protein Fraction and Low Glycaemic Index in Biscuits. Nutrients 2023; 15:nu15040997. [PMID: 36839355 PMCID: PMC9961205 DOI: 10.3390/nu15040997] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/07/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023] Open
Abstract
Traditional biscuits are considered products with poor nutritional value because of their large share of rapidly digested starch, which results in an elevated glycaemic index. This paper explores the improvement of the nutritional value of biscuits by adding yellow mealworm (Tenebrio molitor) powder. Four biscuit recipes containing 0%(R1), 10%(R2), 15%(R3), and 20%(R4) of yellow mealworm powder were prepared and subjected to sensorial analysis. The R3 biscuits were selected for further investigation, as they had the highest acceptability. Compared to the reference R1, the R3 biscuits showed an improved nutritional profile in terms of protein, fat, ash, minerals, fibres, essential amino acids, and unsaturated fatty acids, and lower amounts of carbohydrates and 5-hydroxymethylfurfural. The in vitro protein digestibility in R3 improved 1.12-fold compared to R1. No significant difference was found between the digestibility of the lipids released from R1 and R3. A higher fraction of slowly digestible starch was present in R3 compared to R1. The starch digestibility and estimated glycaemic index were 72.96% and 79.56% in R3, which can be compared to 78.79% and 90.14%, respectively, in R1. Due to their enhanced nutritional profile, higher bioaccessible protein fraction, and lower glycaemic index, yellow mealworm powder biscuits can be considered a more nutritious alternative to traditional biscuits.
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A review of black soldier fly ( Hermetia illucens) as a potential alternative protein source in broiler diets. ANNALS OF ANIMAL SCIENCE 2023. [DOI: 10.2478/aoas-2022-0094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Abstract
Since per capita global meat utilization is predicted to increase to 40% from 2019 to 2050, global use of cultivable land in livestock, poultry, and feed production is 30%. Use of alternative protein sources as animal feed can be a solution to minimize cropland usage in conventional feed production. Commonly used protein sources in animal diets like soybean meal and fish meal are facing challenges of high demand, but the current production might not fulfill their dire need. To overcome this issue, the discovery of alternative protein sources is the need of the hour, insect meals like black soldier fly (BSF) are one of these alternative protein sources. These flies are non-infectious, bite-less, can convert the variant types of organic waste (food wastes, animal and human excreta) proficiently into rich profile biomass with reduced harmful bacteria count and do not serve as a vector in disease transmission. Based on the substrate used, the BSF larvae protein, fat and ash contents vary from 37-63%, 7-39% and 9-28% on dry matter basis, respectively. Previous studies have reported that using BSF and its byproducts as alternative protein sources in broiler diets with partial or complete replacement of conventional protein sources. In this review, a brief introduction to insect meal, BSF origin, life cycle, nutritional profile, influences on growth performance, carcass characteristics, fatty acid profile of meat, biochemical properties of blood, gut morphology and microbiota of the caecum along with its influence on laying performance of layers has been discussed in detail. Studies have concluded the partial replacement of conventional protein sources with BSF is possible, whereas complete replacement may cause poor performance due to reduced digestibility up to 62% attributable to chitin content (9.6%). Further studies to corroborate the effect of dietary BSF on growth performance, carcass characteristics, fatty acid profile of meat, and gut morphology and caecum microbiota are required to standardize the inclusion levels in feeds for higher performance of poultry.
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Aiello D, Barbera M, Bongiorno D, Cammarata M, Censi V, Indelicato S, Mazzotti F, Napoli A, Piazzese D, Saiano F. Edible Insects an Alternative Nutritional Source of Bioactive Compounds: A Review. Molecules 2023; 28:molecules28020699. [PMID: 36677756 PMCID: PMC9861065 DOI: 10.3390/molecules28020699] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 01/12/2023] Open
Abstract
Edible insects have the potential to become one of the major future foods. In fact, they can be considered cheap, highly nutritious, and healthy food sources. International agencies, such as the Food and Agriculture Organization (FAO), have focused their attention on the consumption of edible insects, in particular, regarding their nutritional value and possible biological, toxicological, and allergenic risks, wishing the development of analytical methods to verify the authenticity, quality, and safety of insect-based products. Edible insects are rich in proteins, fats, fiber, vitamins, and minerals but also seem to contain large amounts of polyphenols able to have a key role in specific bioactivities. Therefore, this review is an overview of the potential of edible insects as a source of bioactive compounds, such as polyphenols, that can be a function of diet but also related to insect chemical defense. Currently, insect phenolic compounds have mostly been assayed for their antioxidant bioactivity; however, they also exert other activities, such as anti-inflammatory and anticancer activity, antityrosinase, antigenotoxic, and pancreatic lipase inhibitory activities.
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Affiliation(s)
- Donatella Aiello
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Marcella Barbera
- Department of Earth and Marine Sciences, University of Palermo, 90123 Palermo, Italy
| | - David Bongiorno
- Department of Biological, Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90123 Palermo, Italy
| | - Matteo Cammarata
- Department of Earth and Marine Sciences, University of Palermo, 90123 Palermo, Italy
| | - Valentina Censi
- Department of Earth and Marine Sciences, University of Palermo, 90123 Palermo, Italy
| | - Serena Indelicato
- Department of Biological, Chemical and Pharmaceutical Science and Technology (STEBICEF), University of Palermo, 90123 Palermo, Italy
| | - Fabio Mazzotti
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Arcavacata di Rende, Italy
| | - Anna Napoli
- Department of Chemistry and Chemical Technologies, University of Calabria, 87036 Arcavacata di Rende, Italy
- Correspondence: (A.N.); (D.P.)
| | - Daniela Piazzese
- Department of Earth and Marine Sciences, University of Palermo, 90123 Palermo, Italy
- Correspondence: (A.N.); (D.P.)
| | - Filippo Saiano
- Department Agricultural Food and Forestry Sciences, University of Palermo, 90128 Palermo, Italy
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Sanchez MDLL, Caltzontzin V, Feregrino-Pérez AA. Nutritional Composition, Phenolic Compounds and Antioxidant Activity of Different Samples of Water Boatmen Eggs (Hemiptera: Corixidae). Foods 2022; 12:foods12010028. [PMID: 36613244 PMCID: PMC9818163 DOI: 10.3390/foods12010028] [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: 10/26/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
The group of aquatic insects collectively called "water boatmen" or "Axayacatl" (Hemiptera: Corixidae) and their eggs, called "Ahuahutle", have been consumed and cultivated since the pre-Hispanic era in Mexico. Nevertheless, food composition databases contain limited information on the nutritional composition of these eggs. This work evaluates the macronutrients and bioactive compounds of water boatmen eggs obtained from three different locations in Mexico. The primary analyses to be determined for the first time were some bioactive compounds in the eggs, such as phenolic compounds, total flavonoids, condensed tannins content, antioxidant activity (DPPH and ABTS), and, additionally, fatty acids and proximal composition. The results showed that the sample from Hidalgo (AMC) presented the highest number of phenolic compounds (855.12 ± 0.52), followed by ALT (125.52 ± 0.05) and, with the lowest amount, AMT (99.92 ± 0.13), all expressed in an mg GAE/g sample. ALT indicated the highest mol TE/g sample concentration for ABTS (25.34 ± 0.472) and DPPH (39.76 ± 0.054), showing a significant difference in the DPPH method with the AMT samples. The three Corixidae egg samples had between 15 to 18 different fatty acid profiles, and there were statistically significant differences (Student's t-test ≤ 0.05) between the means using MSD. The total fats of the three samples were between 12.5 and 15.5 g/100 g dry basis. In addition, Corixidae eggs are excellent protein sources. Thus, water boatmen's eggs can be considered to be a food rich in bioactive compounds.
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Zhou Y, Wang D, Zhou S, Duan H, Guo J, Yan W. Nutritional Composition, Health Benefits, and Application Value of Edible Insects: A Review. Foods 2022; 11:3961. [PMID: 36553703 PMCID: PMC9777846 DOI: 10.3390/foods11243961] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/17/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022] Open
Abstract
For thousands of years, edible insects have been used as food to alleviate hunger and improve malnutrition. Some insects have also been used as medicines because of their therapeutic properties. This is not only due to the high nutritional value of edible insects, but more importantly, the active substances from edible insects have a variety of biofunctional activities. In this paper, we described and summarized the nutritional composition of edible insects and discussed the biological functions of edible insects and their potential benefits for human health. A summary analysis of the findings for each active function confirms that edible insects have the potential to develop functional foods and medicines that are beneficial to humans. In addition, we analyzed the issues that need to be considered in the application of edible insects and the current status of edible insects in food and pharmaceutical applications. We concluded with a discussion of regulations related to edible insects and an outlook on future research and applications of edible insects. By analyzing the current state of research on edible insects, we aim to raise awareness of the use of edible insects to improve human health and thus promote their better use and development.
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Affiliation(s)
- Yaxi Zhou
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
- Beijing Key Laboratory of Bioactive Substances and Functional Food, College of Biochemical Engineering, Beijing Union University, 197 North Tucheng West Road, Beijing 100023, China
| | - Diandian Wang
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
| | - Shiqi Zhou
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
| | - Hao Duan
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
| | - Jinhong Guo
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
| | - Wenjie Yan
- College of Biochemical Engineering, Beijing Union University, No.18, Chaoyang District 3, Futou, Beijing 100023, China
- Beijing Key Laboratory of Bioactive Substances and Functional Food, College of Biochemical Engineering, Beijing Union University, 197 North Tucheng West Road, Beijing 100023, China
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Ushakova NA, Tikhonova OV, Ambaryan AV, Bastrakov AI, Dontsov AE. A Protein Antioxidant Complex of a Water Extract of the Larvae of Black Beetles Ulomoides dermestoides. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822100155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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Grzelczyk J, Oracz J, Gałązka-Czarnecka I. Quality Assessment of Waste from Olive Oil Production and Design of Biodegradable Packaging. Foods 2022; 11:3776. [PMID: 36496585 PMCID: PMC9740201 DOI: 10.3390/foods11233776] [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: 10/28/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
The use of olive pomace from olive oil production is still insufficient. The lingering olive pomace is harmful to the environment. On the other hand, the world is increasingly polluted with plastic or by-products from the production of biodegradable products. Considering these two problems, the aim of this work was to develop a mixture and create biodegradable disposable tableware characterized by high antioxidant activity. The disposable tableware was made by mixing olive pomace with teff flour or/and sorghum groats and lecithin. Baking was carried out at the temperature of 180 °C. The best variant of the mixture for the preparation of disposable tableware was olive pomace, teff flour, sorghum groats and lecithin. These vessels were the toughest, with low water absorption and had a high antioxidant potential due to the high content of polyphenols and omega acids. Protecting the cups and bowls with beeswax had a positive effect on reducing water absorption.
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Affiliation(s)
- Joanna Grzelczyk
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-537 Lodz, Poland
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Aguilar-Toalá JE, Cruz-Monterrosa RG, Liceaga AM. Beyond Human Nutrition of Edible Insects: Health Benefits and Safety Aspects. INSECTS 2022; 13:insects13111007. [PMID: 36354831 PMCID: PMC9692588 DOI: 10.3390/insects13111007] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 05/30/2023]
Abstract
Nowadays, edible insects are considered an outstanding source of nutrients, primarily because they contain high-quality protein, amino acids, and vitamins. Insects are considered a promising alternative protein source towards alleviating future global food shortage problems due to their production considered as being more sustainable by using less agricultural land and water, as well as releasing a smaller amount of greenhouse gas emissions. However, other important aspects to consider about the consumption of edible insects include their health benefits and some safety aspects, which has been relatively overlooked. In this sense, edible insects contain bioactive compounds that can provide diverse bioactivities, such as antioxidant, antihypertensive, anti-inflammatory, antimicrobial, and immunomodulatory with a positive impact on human health. On the other hand, edible insects are a nutrient-rich food that can provide a perfect growth medium for diverse microorganisms, as well as possess some anti-nutritive factors. These two main aspects could represent food safety concerns for consumers. In this context, recent scientific evidence indicates that preservation methods, mainly thermal treatments, utilized in the cooking or processing of edible insects decreased the microbial levels and anti-nutritive factors, which suggests that edible insects do not represent a critical biological risk to humans. Besides, edible insects could have a positive effect on gut microbiota, either by their pre-biotic effect or their antimicrobial activity towards pathogens. Thus, this review is focused on studies related to the health benefits of edible insects and their isolated components, as well as discussion about potential issues related to their microbial content and anti-nutritive factors; this review will provide a synopsis on whether edible insects may be considered safe for human consumption.
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Affiliation(s)
- José E. Aguilar-Toalá
- Departamento de Ciencias de la Alimentación, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma, Av. de las Garzas 10, Col. El Panteón, Lerma de Villada 52005, Estado de México, Mexico
| | - Rosy G. Cruz-Monterrosa
- Departamento de Ciencias de la Alimentación, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma, Av. de las Garzas 10, Col. El Panteón, Lerma de Villada 52005, Estado de México, Mexico
| | - Andrea M. Liceaga
- Protein Chemistry and Bioactive Peptides Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Dr., West Lafayette, IN 47907, USA
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Giampieri F, Alvarez‐Suarez JM, Machì M, Cianciosi D, Navarro‐Hortal MD, Battino M. Edible insects: A novel nutritious, functional, and safe food alternative. FOOD FRONTIERS 2022. [DOI: 10.1002/fft2.167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Francesca Giampieri
- Department of Biochemistry Faculty of Sciences King Abdulaziz University Jeddah Saudi Arabia
- Research Group on Food, Nutritional Biochemistry and Health Universidad Europea del Atlántico Santander Spain
| | - José M. Alvarez‐Suarez
- Departamento de Ingeniería en Alimentos, Colegio de Ciencias e Ingenierías Universidad San Francisco de Quito Quito Ecuador
- King Fahd Medical Research Center King Abdulaziz University Jeddah Saudi Arabia
| | - Michele Machì
- Department of Clinical Sciences Polytechnic University of Marche Ancona Italy
| | - Danila Cianciosi
- Department of Clinical Sciences Polytechnic University of Marche Ancona Italy
| | - Maria D. Navarro‐Hortal
- Biomedical Research Centre, Institute of Nutrition and Food Technology “José Mataix Verdú”, Department of Physiology, Faculty of Pharmacy University of Granada Granada Spain
| | - Maurizio Battino
- Research Group on Food, Nutritional Biochemistry and Health Universidad Europea del Atlántico Santander Spain
- Department of Clinical Sciences Polytechnic University of Marche Ancona Italy
- International Research Center for Food Nutrition and Safety Jiangsu University Zhenjiang China
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Escobar-Ortiz A, Hernández-Saavedra D, Lizardi-Mendoza J, Pérez-Ramírez IF, Mora-Izaguirre O, Ramos-Gómez M, Reynoso-Camacho R. Consumption of cricket (Acheta domesticus) flour decreases insulin resistance and fat accumulation in rats fed with high-fat and -fructose diet. J Food Biochem 2022; 46:e14269. [PMID: 35722751 DOI: 10.1111/jfbc.14269] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/13/2022] [Accepted: 05/15/2022] [Indexed: 12/28/2022]
Abstract
The consumption of cricket (Acheta domesticus, AD) has recently increased due to its high nutritional and bioactive compound contents. However, limited studies have explored the beneficial effects of AD consumption. Therefore, we aimed to evaluate the protective effect of a diet supplemented with AD flour on obesity control and its complications in an in vivo model. The chemical profiling of the AD showed an important protein content, chitin, and polyunsaturated fatty acids contents. For the in vivo study, a high-fructose and saturated fat diet (HFFD) was supplemented with AD (4% and 8%). The 8% AD supplementation reduced body weight gain (19%) and serum triglycerides (37%) in HFFD-fed rats. These benefits were related to a greater lipid excretion in feces (97%) and the partial inhibition of pancreatic lipase in vitro by the aqueous extract and the hydrolyzed proteins obtained from AD. Additionally, the 8% AD supplementation improved insulin resistance measured by the HOMA index (61%). Thus, 8% AD supplementation to HFFD-fed rats was effective in preventing obesity, dyslipidemia, and insulin resistance. PRACTICAL APPLICATIONS: Obesity is a risk factor for developing insulin resistance and dyslipidemia. Therefore, there is an increasing interest in consuming foods rich in bioactive compounds as therapeutic alternatives for managing the development of obesity and its complications. Edible insects, such as crickets, are attractive for treating obesity due to their content of protein, fiber, and polyunsaturated fatty acids. Studies have explored the effect of glycosaminoglycan (GAG)-enriched extracts from the cricket Gryllus bimaculatus against obesity. However, GAG content in crickets is low, and crickets are commonly consumed whole instead of extracts. The cricket Acheta domesticus (AD) is among the most rearing cricket species as it is easy to farm and has a better flavor. However, limited studies have explored the beneficial effects of AD consumption. This study demonstrates that AD prevents obesity and ameliorates dyslipidemia and insulin resistance. Therefore, AD is a valuable entomotherapeutic strategy to reduce the comorbidities associated with diet-induced obesity.
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Affiliation(s)
| | - Diego Hernández-Saavedra
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Jaime Lizardi-Mendoza
- Centro de Investigación en Alimentación y Desarrollo, A.C. Coordinación de Tecnología de Alimentos de Origen Animal, Hermosillo, Mexico
| | | | - Ofelia Mora-Izaguirre
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Querétaro, Mexico
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Kępińska-Pacelik J, Biel W. Insects in Pet Food Industry-Hope or Threat? Animals (Basel) 2022; 12:1515. [PMID: 35739851 PMCID: PMC9219536 DOI: 10.3390/ani12121515] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 06/01/2022] [Accepted: 06/08/2022] [Indexed: 11/17/2022] Open
Abstract
Due to the increasing global population, the world cannot currently support the well-known techniques of food production due to their harmful effects on land use, water consumption, and greenhouse gas emissions. The key answer is a solution based on the use of edible insects. They have always been present in the diet of animals. They are characterized by a very good nutritional value (e.g., high protein content and contents of essential amino acids and fatty acids, including lauric acid), and products with them receive positive results in palatability tests. Despite the existing literature data on the benefits of the use of insects as a protein source, their acceptance by consumers and animal caregivers remains problematic. In spite of the many advantages of using insects in pet food, it is necessary to analyze the risk of adverse food reactions, including allergic reactions that may be caused by insect consumption. Other hazards relate to the contamination of insects. For example, they can be contaminated with anthropogenic factors during breeding, packaging, cooking, or feeding. These contaminants include the presence of bacteria, mold fungi, mycotoxins, and heavy metals. However, insects can be used in the pet food industry. This is supported by the evolutionary adaptation of their wild ancestors to the eating of insects in the natural environment. The chemical composition of insects also corresponds to the nutritional requirements of dogs. It should be borne in mind that diets containing insect and their effects on animals require careful analysis. The aim of this article is to discuss the nutritional value of insects and their possible applications in the nutrition of companion animals, especially dogs.
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Affiliation(s)
| | - Wioletta Biel
- Department of Monogastric Animal Sciences, Division of Animal Nutrition and Food, West Pomeranian University of Technology in Szczecin, Klemensa Janickiego 29, 71-270 Szczecin, Poland;
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Kim D, Oh I. The Characteristic of Insect Oil for a Potential Component of Oleogel and Its Application as a Solid Fat Replacer in Cookies. Gels 2022; 8:gels8060355. [PMID: 35735700 PMCID: PMC9222694 DOI: 10.3390/gels8060355] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/02/2022] [Accepted: 06/03/2022] [Indexed: 01/27/2023] Open
Abstract
The larvae of Tenebrio molitor, an edible insect, have recently attracted attention in the food industry as a protein supplement or future food material. However, despite more than 30% of the total weight being fat content, few studies have been conducted on the fat (oil) derived from Tenebrio molitor larvae (TM oil) and its food utilization. In this study, TM oil was extracted and its fatty acid composition and antioxidant activity were investigated. Then, the oleogels were prepared with TM oil and oleogelators (candelilla wax, carnauba wax, and beeswax) and their rheological and thermal properties were evaluated to elucidate their utilization as a solid fat replacer in cookies. In the results, TM oil contained 73.6% unsaturated fatty acids and showed a lower antioxidant activity than olive oil. Although the highest hardness was shown in oleogel with candelilla wax, the highest viscoelasticity above 50 °C was observed for oleogel with carnauba wax. The highest melting point was observed in carnauba oleogel. Lower peroxide values were observed in the oleogel samples than for TM oil, indicating that oleogelation of structuring oil improved the oxidative stability of TM oil. In addition, the shortening replacement with carnauba wax oleogel showed a desirable cookie quality in terms of spreadability and texture properties.
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Kemsawasd V, Inthachat W, Suttisansanee U, Temviriyanukul P. Road to The Red Carpet of Edible Crickets through Integration into the Human Food Chain with Biofunctions and Sustainability: A Review. Int J Mol Sci 2022; 23:ijms23031801. [PMID: 35163720 PMCID: PMC8836810 DOI: 10.3390/ijms23031801] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/30/2022] [Accepted: 01/30/2022] [Indexed: 02/07/2023] Open
Abstract
The Food and Agriculture Organization of the United Nations (FAO) estimates that more than 500 million people, especially in Asia and Africa, are suffering from malnutrition. Recently, livestock farming has increased to supply high-quality protein, with consequent impact on the global environment. Alternative food sources with high nutritive values that can substitute livestock demands are urgently required. Recently, edible crickets have been promoted by the FAO to ameliorate the food crisis. In this review, the distribution, nutritive values, health-promoting properties (antioxidant, anti-inflammatory, anti-diabetic and anti-obesity), safety, allergenicity as well as the potential hazards and risks for human consumption are summarized. Cricket farming may help to realize the United Nations sustainable development goal No. 2 Zero Hunger. The sustainability of cricket farming is also discussed in comparison with other livestock. The findings imply that edible crickets are safe for daily intake as a healthy alternative diet due to their high protein content and health-promoting properties. Appropriate use of edible crickets in the food and nutraceutical industries represents a global business potential. However, people who are allergic to shellfish should pay attention on cricket allergy. Thus, the objective of this review was to present in-depth and up-to-date information on edible crickets to advocate and enhance public perception of cricket-based food.
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Potentiality of Tenebrio molitor larva-based ingredients for the food industry: A review. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2021.11.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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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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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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Péter B, Boldizsár I, Kovács GM, Erdei A, Bajtay Z, Vörös A, Ramsden JJ, Szabó I, Bősze S, Horvath R. Natural Compounds as Target Biomolecules in Cellular Adhesion and Migration: From Biomolecular Stimulation to Label-Free Discovery and Bioactivity-Based Isolation. Biomedicines 2021; 9:1781. [PMID: 34944597 PMCID: PMC8698624 DOI: 10.3390/biomedicines9121781] [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: 10/25/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 01/07/2023] Open
Abstract
Plants and fungi can be used for medical applications because of their accumulation of special bioactive metabolites. These substances might be beneficial to human health, exerting also anti-inflammatory and anticancer (antiproliferative) effects. We propose that they are mediated by influencing cellular adhesion and migration via various signaling pathways and by directly inactivating key cell adhesion surface receptor sites. The evidence for this proposition is reviewed (by summarizing the natural metabolites and their effects influencing cellular adhesion and migration), along with the classical measuring techniques used to gain such evidence. We systematize existing knowledge concerning the mechanisms of how natural metabolites affect adhesion and movement, and their role in gene expression as well. We conclude by highlighting the possibilities to screen natural compounds faster and more easily by applying new label-free methods, which also enable a far greater degree of quantification than the conventional methods used hitherto. We have systematically classified recent studies regarding the effects of natural compounds on cellular adhesion and movement, characterizing the active substances according to their organismal origin (plants, animals or fungi). Finally, we also summarize the results of recent studies and experiments on SARS-CoV-2 treatments by natural extracts affecting mainly the adhesion and entry of the virus.
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Affiliation(s)
- Beatrix Péter
- Nanobiosensorics Group, Research Centre for Energy Research, Institute for Technical Physics and Materials Science, Konkoly-Thege u 29-33, 1120 Budapest, Hungary; (A.V.); (R.H.)
| | - Imre Boldizsár
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, 1117 Budapest, Hungary; (I.B.); (G.M.K.)
- Department of Pharmacognosy, Semmelweis University, Üllői út 26, 1085 Budapest, Hungary
| | - Gábor M. Kovács
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, 1117 Budapest, Hungary; (I.B.); (G.M.K.)
- Plant Protection Institute, Centre for Agricultural Research, Hungarian Academy of Sciences, 1022 Budapest, Hungary
| | - Anna Erdei
- Department of Immunology, Eötvös Loránd University, 1117 Budapest, Hungary; (A.E.); (Z.B.)
- MTA-ELTE Immunology Research Group, Eötvös Loránd Research Network (ELKH), Eötvös Loránd University, 1117 Budapest, Hungary
| | - Zsuzsa Bajtay
- Department of Immunology, Eötvös Loránd University, 1117 Budapest, Hungary; (A.E.); (Z.B.)
- MTA-ELTE Immunology Research Group, Eötvös Loránd Research Network (ELKH), Eötvös Loránd University, 1117 Budapest, Hungary
| | - Alexandra Vörös
- Nanobiosensorics Group, Research Centre for Energy Research, Institute for Technical Physics and Materials Science, Konkoly-Thege u 29-33, 1120 Budapest, Hungary; (A.V.); (R.H.)
| | - Jeremy J. Ramsden
- Clore Laboratory, University of Buckingham, Buckingham MK18 1EG, UK;
| | - Ildikó Szabó
- MTA-ELTE Research Group of Peptide Chemistry, Eötvös Loránd Research Network (ELKH), Institute of Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary; (I.S.); (S.B.)
- National Public Health Center, Albert Flórián út 2-6, 1097 Budapest, Hungary
| | - Szilvia Bősze
- MTA-ELTE Research Group of Peptide Chemistry, Eötvös Loránd Research Network (ELKH), Institute of Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary; (I.S.); (S.B.)
- National Public Health Center, Albert Flórián út 2-6, 1097 Budapest, Hungary
| | - Robert Horvath
- Nanobiosensorics Group, Research Centre for Energy Research, Institute for Technical Physics and Materials Science, Konkoly-Thege u 29-33, 1120 Budapest, Hungary; (A.V.); (R.H.)
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Abstract
Consumption of edible insects has been widely suggested as an environmentally sustainable substitute for meat to reduce GHG emissions. However, the novel research field for edible insects rely on the content of bioactive ingredients and on the ability to induce a functional effect in humans. The goal of this manuscript was to review the available body of evidence on the properties of edible insects in modulating oxidative and inflammatory stress, platelet aggregation, lipid and glucose metabolism and weight control. A search for literature investigating the functional role of edible insects was carried out in the PUBMED database using specific keywords. A total of 55 studies, meeting inclusion criteria after screening, were divided on the basis of the experimental approach: in vitro studies, cellular models/ex vivo studies or in vivo studies. In the majority of the studies, insects demonstrated the ability to reduce oxidative stress, modulate antioxidant status, restore the impaired activity of antioxidant enzymes and reduce markers of oxidative damage. Edible insects displayed anti-inflammatory activity reducing cytokines and modulating specific transcription factors. Results from animal studies suggest that edible insects can modulate lipid and glucose metabolism. The limited number of studies focused on the assessment of anticoagulation activity of edible insects make it difficult to draw conclusions. More evidence from dietary intervention studies in humans is needed to support the promising evidence from in vitro and animal models about the functional role of edible insects consumption.
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Yeerong K, Sriyab S, Somwongin S, Punyoyai C, Chantawannakul P, Anuchapreeda S, Prommaban A, Chaiyana W. Skin irritation and potential antioxidant, anti-collagenase, and anti-elastase activities of edible insect extracts. Sci Rep 2021; 11:22954. [PMID: 34824336 PMCID: PMC8617255 DOI: 10.1038/s41598-021-02382-0] [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: 07/19/2021] [Accepted: 11/09/2021] [Indexed: 11/17/2022] Open
Abstract
This study aimed to investigate antioxidant, anti-aging, and irritation properties of Thai edible insect extracts, including Bombyx mori, Omphisa fuscidentalis, Euconocephalus sp., Patanga succincta, Acheta domesticus, and Lethocerus indicus. Insects were extracted by 2 different methods, including maceration using ethanol or hexane and digestion using DI water. Then the extracts were determined for protein content using bicinchoninic acid assay and antioxidant activities using 2,2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid), 2,2-diphenyl-1-picrylhydrazyl, ferric reducing antioxidant power, and ferric thiocyanate assays. Anti-aging activities were investigated by determination of collagenase and elastase inhibitory activities using spectrophotometric assay. Maceration by hexane yielded the highest extract content, whereas aqueous extract from digestion possessed the significantly highest protein content and biological activities (p < 0.05). Interestingly, aqueous extracts of A. domesticus possessed the significantly highest biological activities (p < 0.05) with Trolox equivalent antioxidant capacity value of 8.8 ± 0.1 mmol Trolox/mg, DPPH· inhibition of 19.5 ± 3.8%, equivalent concentration of 12.1 ± 0.7 µM FeSO4/mg, lipid peroxidation inhibition of 31.3 ± 2.4%, collagenase inhibition of 60.8 ± 2.1%, elastase inhibition of 17.0 ± 0.1%, and no irritation effect on chorioallantoic membrane and volunteers. Therefore, aqueous extract of A. domesticus would be suggested for further topical product development.
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Affiliation(s)
- Kankanit Yeerong
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Suwannee Sriyab
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Suvimol Somwongin
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Chanun Punyoyai
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Panuwan Chantawannakul
- Bee Protection Laboratory, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Songyot Anuchapreeda
- Division of Clinical Microscopy, Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand.,Research Center of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Adchara Prommaban
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Wantida Chaiyana
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand. .,Research Center of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand. .,Innovation Center for Holistic Health, Nutraceuticals, and Cosmeceuticals, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Novel Insights on the Sustainable Wet Mode Fractionation of Black Soldier Fly Larvae (Hermetia illucens) into Lipids, Proteins and Chitin. Processes (Basel) 2021. [DOI: 10.3390/pr9111888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The black soldier fly larvae (BSFL) is a sustainable ingredient for feed applications, biofuels, composite materials and other biobased products. Processing BSFL to obtain lipid and protein fractions with enhanced functional properties as a suitable replacement for conventional feed ingredients has gained considerable momentum. In this regard, a novel and sustainable wet mode fractionation (WMF) scheme for BSFL was explored. Fresh BSFL were steam blanched and pulped to obtain BSFL juice and juice press cake. Subsequent treatment of BSFL juice employing homogenization or enzyme incubation and further centrifugation resulted in the obtention of four different BSFL fractions (Lipid—LF; Cream—CF; Aqueous—AF; and Solid—SF). Total energy consumption for a batch BSFL (500 g) WMF process was 0.321 kWh. Aqueous and solid fractions were the predominant constituents of BSFL juice. Lauric acid (44.52–49.49%) and linoleic acid (19.12–20.12%) were the primary fatty acids present in BSFL lipids. Lipid hydrolysis was observed in lipids belonging to the solid (free fatty acids > triacylglycerides) and cream fractions. Aqueous fraction proteins (ctrl) displayed superior emulsion stability and foam capacity than other treatments. Juice press cake retained 60% of the total chitin content and the rest, 40%, was found in the solid fraction (ctrl). The material distribution of principal constituents in different fractions of the WMF process and amino acid profile was elucidated. Overall, the versatile WMF process proposed in this study involves simple unit operations to obtain functional ingredients from BSFL, which can be further explored by researchers and industry stakeholders.
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Seong HY, Kim M. Enhanced protein quality and antioxidant activity of fermented Brown rice with Gryllus bimaculatus. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111948] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Lee JH, Kim TK, Jeong CH, Yong HI, Cha JY, Kim BK, Choi YS. Biological activity and processing technologies of edible insects: a review. Food Sci Biotechnol 2021; 30:1003-1023. [PMID: 34471556 DOI: 10.1007/s10068-021-00942-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/19/2021] [Accepted: 07/01/2021] [Indexed: 10/20/2022] Open
Abstract
The burgeoning global population growth has raised concerns regarding the expected increase in the demand for food, which could be partially tackled by identifying novel food sources. To this end, edible insects have recently attracted research interest. Several technologies for utilizing edible insect-derived proteins have been introduced; however, research into their functional utilization is insufficient. Herein, we reviewed the relevant literature on the importance of insects as food sources, extraction of edible insects, the nutritional value of insects, biological activities of components, and their applications in food industries. We summarized the studies primarily focused on the functional utilization of edible insects, suggesting that for successful incorporation and growth of edible insects in food and pharmaceutical industries, strategies to improve the extraction methods are required to explore the biological activity of edible insects. Furthermore, the awareness of edible insects with a focus on their allergens warrants consideration.
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Affiliation(s)
- Jae Hoon Lee
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
| | - Tae-Kyung Kim
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
| | - Chang Hee Jeong
- Microbiology and Functionality Research Group, World Institute of Kimchi, Gwangju, 61755 Korea
| | - Hae In Yong
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
| | - Ji Yoon Cha
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
| | - Bum-Keun Kim
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
| | - Yun-Sang Choi
- Research Group of Food Processing, Korea Food Research Institute, Wanju, 55365 Korea
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In Vitro Antioxidant and Antihypertensive Activity of Edible Insects Flours (Mealworm and Grasshopper) Fermented with Lactococcus lactis Strains. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7030153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The objective of the present study was to evaluate the potential antioxidant and angiotensin converting enzyme inhibition (ACEI) activity of edible insect flours fermented with Lactococcus lactis strains. For the fermentation, mealworm and grasshoppers flours were dissolved (0.5% w/v) in buffer solution (pH 7.0) and individually inoculated (3%) with Lactococcus lactis strains (NRRL B-50571, NRRL B-50572). The samples were incubated for 72 h at 30 °C, and the pH was recorded. The degree of hydrolysis (DH) and protein content were determined. The total polyphenol compounds, antioxidant activity (ABTS, DPPH, ORAC, and FRAP), and ACEI of the <3 kDa fractions were analyzed. The pH of the fermented samples decreased to 3.5–3.9 (p < 0.05). The fermented grasshopper flour showed an increased DH (0.42%) and overall higher total polyphenol content (8.23 mg Gallic Acid Equivalent/mL). In general, the highest antioxidant activity was for the grasshopper fractions fermented for 24 h by Lactococcus lactis NRRL B-50572, which also showed 23.47% ACEI inhibition with an IC50 of 0.97 mg/mL. The peptide profile obtained increased after fermentation, being higher for the mealworm flour fermented sample. This study presents, for the first time, the use of specific strains of Lactococus lactis for fermenting edible insect-derived products in the production of bioactive compounds with potential antioxidant and antihypertensive activity.
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Sourdough “ciabatta” bread enriched with powdered insects: Physicochemical, microbiological, and simulated intestinal digesta functional properties. INNOV FOOD SCI EMERG 2021. [DOI: 10.1016/j.ifset.2021.102755] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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43
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Aguilera Y, Pastrana I, Rebollo-Hernanz M, Benitez V, Álvarez-Rivera G, Viejo JL, Martín-Cabrejas MA. Investigating edible insects as a sustainable food source: nutritional value and techno-functional and physiological properties. Food Funct 2021; 12:6309-6322. [PMID: 34085683 DOI: 10.1039/d0fo03291c] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work is aimed to evaluate the nutritional composition, and the techno-functional and in vitro physiological properties of flours made using six different insect species and the sensorial feasibility of including them in bakery products. The insect flours exhibited high protein and fat contents as their main components, highlighting the presence of chitin in ant samples. The techno-functional properties showed high oil holding, swelling, and emulsifying capacities in all the analysed insect flours, whereas their bulk density, hydration properties, and foaming capacity showed average values and no gelation capacity. Moreover, these edible insect flours exhibited effective hyperglycaemia and hyperlipidaemia properties, which together with their high antioxidant capacity are associated with beneficial in vitro physiological effects. The beetle and caterpillar flours stand out in these properties, and thus were selected to make a cupcake. The sensory evaluation confirmed that the edible beetle powder can be successfully included in baked goods to provide excellent sensory properties and very high acceptance. Thus, these insect flours may be of great interest to the food industry as a healthy source of protein, exerting a positive impact on functional and sensory food properties, and with a potential role in the prevention of diseases associated with hyperglycaemia and hyperlipidaemia.
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Affiliation(s)
- Yolanda Aguilera
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049, Madrid, Spain.
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Nutritional, Physiochemical, and Biological Value of Muffins Enriched with Edible Insects Flour. Antioxidants (Basel) 2021; 10:antiox10071122. [PMID: 34356355 PMCID: PMC8301197 DOI: 10.3390/antiox10071122] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 02/06/2023] Open
Abstract
Edible insects are gaining attention as a novel food; however, studies with their use in food are still limited. This study aimed to determine the chemical composition, physical parameters, sensory acceptance, and biological properties of muffins enriched with different levels of cricket (Gryllodes sigillatus) and mealworm (Tenebrio molitor) flours. The approximate composition was analyzed, along with the physical and textural properties, color, and consumer acceptance. Moreover, the antioxidant properties, starch digestibility, and glycemic index were determined in vitro. As we expected, the protein content in muffins supplemented with insect flour increased, while the carbohydrates content decreased. Moreover, the total phenolic content and antioxidant capacity against ABTS·+ and DPPH· increased correspondingly as the percentage of insect flour in the muffins increased. The estimated glycemic index was lower for the fortified muffins than the control (p < 0.05). Additionally, enriched muffins were accepted by consumers, and their taste positively surprised respondents (p < 0.05). Therefore, the results obtained are satisfactory as regards the use of insects for the supplementation of traditional products, and further research into the addition of insects to other nutrient matrices is needed. Furthermore, examining the effect of insect addition on in vivo food biological activity is highly desirable.
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Diversity, Host Plants and Potential Distribution of Edible Saturniid Caterpillars in Kenya. INSECTS 2021; 12:insects12070600. [PMID: 34357260 PMCID: PMC8305150 DOI: 10.3390/insects12070600] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/10/2021] [Accepted: 06/16/2021] [Indexed: 11/25/2022]
Abstract
Simple Summary Edible insects are a traditional food source with economic benefits in sub-Saharan Africa. Caterpillars are the most popular edible insects in this region. We focus on caterpillars in the family Saturniidae. Saturniids are big colorful caterpillars with spines on their bodies, usually found in shrubs and trees. They are rich in proteins, vitamins, and minerals. Despite their economic importance, little is known about their diversity, host plants, distribution, and potential effect of climate change on edible saturniid caterpillars in Africa. The aim of this study is to identify edible saturniids, their host plants, their current distribution and to predict the possible effects of climate change on their distribution. We documented seven species of edible saturniids namely Gonimbrasia zambesina, Gonimbrasia krucki, Bunaea alcinoe, Gonimbrasia cocaulti, Gonimbrasia belina, Gynanisa nigra and Cirina forda. These caterpillars mostly occur twice a year during the rainy seasons and feed on specific host plants. Predictive distribution models revealed that B. alcinoe, and C. forda are mostly found in tropical and sub-tropical regions in Africa. However, climate change could cause a slight decrease in their population by the year 2050. This information will guide conservation efforts and ensure sustainable use of edible saturniid caterpillars as food. Abstract The promotion of edible insects, including saturniid caterpillars as potential food source is widely gaining momentum. They are adequately rich in nutrients such as proteins, amino acids, fatty acids, and micronutrients. Despite saturniids being a traditional food source with economic benefits, information on their diversity, host plants and their potential distribution in Africa are lacking, which this study seeks to address. Edible saturniids and their host plants were characterized using specific primers (LepF1/LepR1 and 3F_KIM_F/1R_KIM_R, respectively). Maximum entropy (MaxENT) and GARP (genetic algorithm for ruleset production) models were used to characterize the potential distribution of commonly consumed saturniids under current and future climate scenarios. Seven species of saturniids were recorded from 11 host plants in Kenya: Gonimbrasia zambesina, Gonimbrasia krucki, Bunaea alcinoe, Gonimbrasia cocaulti, Gonimbrasia belina, Gynanisa nigra and Cirina forda. Two morphotypes of G. zambesina and B. alcinoe were recorded. These saturniid caterpillars occur twice a year except for G. cocaulti. Predictive models revealed that tropical and subtropical regions were potentially suitable for B. alcinoe and C. forda. The information generated from this study would be important to guide conservation efforts and their sustainable utilization as food in Africa.
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Ushakova NA, Brodsky ES, Tikhonova OV, Dontsov AE, Marsova MV, Shelepchikov AA, Bastrakov AI. Novel Extract from Beetle Ulomoides dermestoides: A Study of Composition and Antioxidant Activity. Antioxidants (Basel) 2021; 10:antiox10071055. [PMID: 34208791 PMCID: PMC8300742 DOI: 10.3390/antiox10071055] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/19/2021] [Accepted: 06/25/2021] [Indexed: 01/05/2023] Open
Abstract
A biologically active extract from the darkling beetle Ulomoides dermestoides was obtained using the electro-pulse plasma dynamic extraction method. The beetle water extract contained a complex of antioxidant substances such as antioxidant enzymes and nonprotein antioxidants, as well as a complex of heat shock antistress proteins. This determines the rather high antioxidant activity of the aqueous extract of the beetle, i.e., 1 mg of dry matter/mL of the extract has an equivalent antioxidant activity to 0.2 mM Trolox (a water-soluble analog of vitamin E). It was shown that the beetle extract can lead to a 25-30% increase in the average lifespan of nematode Caenorhabditiselegans, under normal conditions, and a 12-17% increase under conditions of oxidative stress (with paraquat), and significantly inhibits the fructosylation reaction of serum albumin. Therefore, the beetle aqueous extract shows promise as a biologically active complex exhibiting antioxidant activity.
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Affiliation(s)
- Nina A. Ushakova
- A.N. Severtsov Institute of Ecology and Evolution RAS, Leninsky Prospect, 33, 119071 Moscow, Russia; (N.A.U.); (E.S.B.); (A.A.S.); (A.I.B.)
| | - Efim S. Brodsky
- A.N. Severtsov Institute of Ecology and Evolution RAS, Leninsky Prospect, 33, 119071 Moscow, Russia; (N.A.U.); (E.S.B.); (A.A.S.); (A.I.B.)
| | - Olga V. Tikhonova
- Institute of Biomedical Chemistry (IBMC), Pogodinskaya Str., 10, 119121 Moscow, Russia;
| | - Alexander E. Dontsov
- N.M. Emanuel Institute of Biochemical Physics, RAS, Kosygina Str., 4, 119334 Moscow, Russia
- Correspondence:
| | - Maria V. Marsova
- N.I. Vavilov Institute of General Genetics, Russian Academy of Sciences, Gubkina Str., 3, 119991 Moscow, Russia;
| | - Andrey A. Shelepchikov
- A.N. Severtsov Institute of Ecology and Evolution RAS, Leninsky Prospect, 33, 119071 Moscow, Russia; (N.A.U.); (E.S.B.); (A.A.S.); (A.I.B.)
| | - Alexander I. Bastrakov
- A.N. Severtsov Institute of Ecology and Evolution RAS, Leninsky Prospect, 33, 119071 Moscow, Russia; (N.A.U.); (E.S.B.); (A.A.S.); (A.I.B.)
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van Huis A, Rumpold B, Maya C, Roos N. Nutritional Qualities and Enhancement of Edible Insects. Annu Rev Nutr 2021; 41:551-576. [PMID: 34186013 DOI: 10.1146/annurev-nutr-041520-010856] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Over the last decade, the urgency to find alternative and sustainable protein sources has prompted an exponential increase in the interest in insects as a human food source. Edible insects contribute suitable amounts of energy and protein, fatty acids, and micronutrients to the human diet. Nutritional values of insects can be manipulated to meet specific needs. Edible insects in food-insecure countries can contribute to improving diets and preventing undernutrition. Bioactive compounds in insects may reduce health risks. Food safety risks are low and mainly relate to those of allergenicity. Strategies to overcome barriers to the consumption of insect products include emphasizing their sustainability, increasing their tastiness, and developing the ability to disguise insects in familiar products. A new sector of insects as food and feed is emerging. Major challenges include legislation, lowering prices by automation and cheap substrates, developing insect products that appeal to consumers, and exploring the health benefits. Expected final online publication date for the Annual Review of Nutrition, Volume 41 is September 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Arnold van Huis
- Laboratory of Entomology, Wageningen University & Research, 6708 PB Wageningen, The Netherlands;
| | - Birgit Rumpold
- Department of Education for Sustainable Nutrition and Food Science, Technische Universität Berlin, 10587 Berlin, Germany;
| | - Cassandra Maya
- Department of Nutrition, Exercise and Sports, University of Copenhagen, 1958 Frederiksberg C, Denmark; ,
| | - Nanna Roos
- Department of Nutrition, Exercise and Sports, University of Copenhagen, 1958 Frederiksberg C, Denmark; ,
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Zedan AMG, Sakran MI, Bahattab O, Hawsawi YM, Al-Amer O, Oyouni AAA, Nasr Eldeen SK, El-Magd MA. Oriental Hornet ( Vespa orientalis) Larval Extracts Induce Antiproliferative, Antioxidant, Anti-Inflammatory, and Anti-Migratory Effects on MCF7 Cells. Molecules 2021; 26:3303. [PMID: 34072744 PMCID: PMC8198668 DOI: 10.3390/molecules26113303] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 01/31/2023] Open
Abstract
The use of insects as a feasible and useful natural product resource is a novel and promising option in alternative medicine. Several components from insects and their larvae have been found to inhibit molecular pathways in different stages of cancer. This study aimed to analyze the effect of aqueous and alcoholic extracts of Vespa orientalis larvae on breast cancer MCF7 cells and investigate the underlying mechanisms. Our results showed that individual treatment with 5% aqueous or alcoholic larval extract inhibited MCF7 proliferation but had no cytotoxic effect on normal Vero cells. The anticancer effect was mediated through (1) induction of apoptosis, as indicated by increased expression of apoptotic genes (Bax, caspase3, and p53) and decreased expression of the anti-apoptotic gene Bcl2; (2) suppression of intracellular reactive oxygen species; (3) elevation of antioxidant enzymes (CAT, SOD, and GPx) and upregulation of the antioxidant regulator Nrf2 and its downstream target HO-1; (4) inhibition of migration as revealed by in vitro wound healing assay and downregulation of the migration-related gene MMP9 and upregulation of the anti-migratory gene TIMP1; and (5) downregulation of inflammation-related genes (NFκB and IL8). The aqueous extract exhibited the best anticancer effect with higher antioxidant activities but lower anti-inflammatory properties than the alcoholic extract. HPLC analysis revealed the presence of several flavonoids and phenolic compounds with highest concentrations for resveratrol and naringenin in aqueous extract and rosmarinic acid in alcoholic extract. This is the first report to explain the intracellular pathway by which flavonoids and phenolic compounds-rich extracts of Vespa orientalis larvae could induce MCF7 cell viability loss through the initiation of apoptosis, activation of antioxidants, and inhibition of migration and inflammation. Therefore, these extracts could be used as adjuvants for anticancer drugs and as antioxidant and anti-inflammatory agents.
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Affiliation(s)
- Amina M. G. Zedan
- Biological and Environmental Sciences Department, Home Economic Faculty, Al Azhar University, Tanta 31732, Egypt;
| | - Mohamed I. Sakran
- Biochemistry Department, Faculty of Science, University of Tabuk, Tabuk 47512, Saudi Arabia;
- Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta 31512, Egypt
| | - Omar Bahattab
- Biology Department, Faculty of Science, University of Tabuk, Tabuk 47512, Saudi Arabia;
| | - Yousef M. Hawsawi
- Research Center, King Faisal Specialist Hospital and Research Center, MBC J04, Jeddah 21499, Saudi Arabia;
- College of Medicine, Al-Faisal University, Riyadh 11533, Saudi Arabia
| | - Osama Al-Amer
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk 47512, Saudi Arabia;
- Genome and Biotechnology Unit, Faculty of Sciences, University of Tabuk, Tabuk 47512, Saudi Arabia;
| | - Atif A. A. Oyouni
- Genome and Biotechnology Unit, Faculty of Sciences, University of Tabuk, Tabuk 47512, Saudi Arabia;
- Department of Biology, Faculty of Sciences, University of Tabuk, Tabuk 47512, Saudi Arabia
| | | | - Mohammed A. El-Magd
- Department of Anatomy, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
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Gao Y, Zhao YJ, Xu ML, Shi SS. Soybean hawkmoth ( Clanis bilineata tsingtauica) as food ingredients: a review. CYTA - JOURNAL OF FOOD 2021. [DOI: 10.1080/19476337.2021.1903082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yu Gao
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, P.R. China
| | - Yi-Jin Zhao
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, P.R. China
| | - Meng-Lei Xu
- College of Food Science and Engineering, Jilin University, Changchun, Jilin, P.R. China
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, Jilin, P.R. China
| | - Shu-Sen Shi
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, P.R. China
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50
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Studies on Microbial Quality, Protein Yield, and Antioxidant Properties of Some Frozen Edible Insects. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2021; 2021:5580976. [PMID: 33834060 PMCID: PMC8012139 DOI: 10.1155/2021/5580976] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/01/2021] [Accepted: 03/10/2021] [Indexed: 11/17/2022]
Abstract
This research investigated the microbial quality and the protein contents of Thai commercial frozen products of silkworm (Bombyx mori), bamboo caterpillar (Omphisa fuscidentalis), and field cricket (Gryllus bimaculatus). Total mesophilic aerobic counts were about 8-8.4 log cfu/g, while lactic acid bacteria numbers were up to 5.2 log cfu/g samples. Yeasts and mold as well as Enterobacteriaceae numbers were found to be no more than 6.3 and 6.6 log cfu/g, respectively, while Clostridium spp. enumeration detected 3.2-3.6 cfu per gram frozen insect samples. The protein content in cases of cricket and bamboo caterpillar after the Soxhlet defatting method and the Folch lipid extraction combined with isoelectric point precipitation were similar when compared at pH 3.5 or pH 4.5. In contrast, the protein yield from silkworm was higher at pH 3.5 in the Soxhlet defatted sample, as opposed to the Folch method treated sample where higher protein yield was obtained at pH 4.5. Furthermore, 2,2-diphenyl-1-picryl-hydrazyl (DPPH) radical scavenging activity and ferric reducing antioxidant power (FRAP) of field cricket subcritical water (121 or 135°C for 15 or 30 minutes) hydrolysates were also measured on a pilot basis. These tests revealed higher antioxidant activities in treated samples than in the untreated control. The highest DPPH radical scavenging activity and FRAP values were detected in samples treated at 135°C, while the protein content of these samples was lower than that of the untreated control. These results indicate that hydrolytic compounds of proteins and probably other types of cricket materials are possibly involved in the antioxidant activities of the treated defatted cricket samples.
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