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López-Gámez G, del Pino-García R, López-Bascón MA, Verardo V. Improving Tenebrio molitor Growth and Nutritional Value through Vegetable Waste Supplementation. Foods 2024; 13:594. [PMID: 38397571 PMCID: PMC10887794 DOI: 10.3390/foods13040594] [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: 01/29/2024] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Huge amounts of vegetable wastes are generated by the food industry. Their bioconversion into valuable products (e.g., insect flours or biofertilizer) through insect farming is a promising solution to reduce their negative environmental and economic impacts. This study evaluates the growth of Tenebrio molitor larvae and their nutritional profile after supplementing their diets with vegetable wastes. Over a 6-week period, 45-day larvae were fed a diet comprising wheat bran supplemented (1:1) with cucumber or tomato wastes from both conventional and ecological crops. The control diet consisted of wheat bran and an equivalent amount of water to compensate for the waste moisture. Larval weight was measured weekly, and length measures were taken fortnightly. Nutritional composition and fatty acid profile were analyzed at the end of the study in 90-day larvae. Regardless of using vegetable waste from conventional or ecological harvesting, the weight of 6-week supplemented larvae almost doubled that of larvae fed with just wheat bran, and their length was 15% higher. Supplementation also increased larval polyunsaturated fatty acid percentage by 22-37%, with linoleic acid being the most abundant. Likewise, larval protein content reached 50% after supplementation. This study demonstrates that both cucumber and tomato wastes from conventional or ecological crops are excellent supplements for T. molitor's diet, improving their nutritional value and reducing the time necessary for larvae growth.
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Affiliation(s)
- Gloria López-Gámez
- Research and Development of Functional Food Center (CIDAF), Avda. del Conocimiento, 37, 18016 Granada, Spain; (R.d.P.-G.); (M.A.L.-B.); (V.V.)
| | - Raquel del Pino-García
- Research and Development of Functional Food Center (CIDAF), Avda. del Conocimiento, 37, 18016 Granada, Spain; (R.d.P.-G.); (M.A.L.-B.); (V.V.)
| | - María Asunción López-Bascón
- Research and Development of Functional Food Center (CIDAF), Avda. del Conocimiento, 37, 18016 Granada, Spain; (R.d.P.-G.); (M.A.L.-B.); (V.V.)
| | - Vito Verardo
- Research and Development of Functional Food Center (CIDAF), Avda. del Conocimiento, 37, 18016 Granada, Spain; (R.d.P.-G.); (M.A.L.-B.); (V.V.)
- Department of Nutrition and Food Science, Campus of Cartuja, University of Granada, 18071 Granada, Spain
- Institute of Nutrition and Food Technology Jose Mataix, Biomedical Research Center, University of Granada, Avda. Conocimiento s/n, 18100 Granada, Spain
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Terevinto A, del Puerto M, da Silva A, Cabrera MC, Saadoun A. Effect of chia seeds ( Salvia hispanica l.) inclusion in poultry diet on n-3 enrichment and oxidative status of meat during retail display. CYTA - JOURNAL OF FOOD 2023. [DOI: 10.1080/19476337.2022.2162975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Alejandra Terevinto
- Departamento de Producción Animal & Pasturas, Laboratorio Calidad de Alimentos, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
| | - Marta del Puerto
- Departamento de Producción Animal & Pasturas, Laboratorio Calidad de Alimentos, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
| | - Ayrton da Silva
- Departamento de Producción Animal & Pasturas, Laboratorio Calidad de Alimentos, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
| | - María Cristina Cabrera
- Departamento de Producción Animal & Pasturas, Laboratorio Calidad de Alimentos, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
- Sección Fisiología & Nutrición, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Ali Saadoun
- Departamento de Producción Animal & Pasturas, Laboratorio Calidad de Alimentos, Facultad de Agronomía, Universidad de la República, Montevideo, Uruguay
- Sección Fisiología & Nutrición, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
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Ratti S, Zarantoniello M, Chemello G, Giammarino M, Palermo FA, Cocci P, Mosconi G, Tignani MV, Pascon G, Cardinaletti G, Pacetti D, Nartea A, Parisi G, Riolo P, Belloni A, Olivotto I. Spirulina-enriched Substrate to Rear Black Soldier Fly ( Hermetia illucens) Prepupae as Alternative Aquafeed Ingredient for Rainbow Trout ( Oncorhynchus mykiss) Diets: Possible Effects on Zootechnical Performances, Gut and Liver Health Status, and Fillet Quality. Animals (Basel) 2023; 13:ani13010173. [PMID: 36611781 PMCID: PMC9818012 DOI: 10.3390/ani13010173] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
In the present study, an organic substrate (coffee silverskin) enriched with spirulina (Arthrospira platensis; 15% w/w), as a source of lipids and bioactive molecules, was used to rear the black soldier fly (Hermetia illucens) prepupae. Three grossly isonitrogenous, isoproteic, isolipidic and isoenergetic experimental diets for rainbow trout (Oncorhynchus mykiss) juveniles were then produced: a control diet (HM0) mostly including fish meal and fish oil, and two other test diets named HM3 and HM20, in which 3 or 20% of the marine ingredients were substituted with full fat black soldier fly prepupae meal (HM), respectively. Experimental diets were provided for 6 weeks, and at the end of the trial the physiological responses and marketable traits of the fish were investigated using a multidisciplinary approach. Generally, all test diets were well accepted, and fish growth, gut and liver health status, and marketable characteristics were not impaired by the experimental diets. However, an increased immuno-related gene expression along with a slight reduction of fillet redness and yellowness was evident in fish from the HM20 group.
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Affiliation(s)
- Stefano Ratti
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Matteo Zarantoniello
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Giulia Chemello
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Miriam Giammarino
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | | | - Paolo Cocci
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy
| | - Gilberto Mosconi
- School of Biosciences and Veterinary Medicine, University of Camerino, 62032 Camerino, Italy
| | - Maria Vittoria Tignani
- Department of Agriculture, Food, Environment and Forestry, University of Florence, 50144 Firenze, Italy
| | - Giulia Pascon
- Department of Agricultural, Food, Environmental and Animal Science, University of Udine, 33100 Udine, Italy
| | - Gloriana Cardinaletti
- Department of Agricultural, Food, Environmental and Animal Science, University of Udine, 33100 Udine, Italy
| | - Deborah Pacetti
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Ancuta Nartea
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Giuliana Parisi
- Department of Agriculture, Food, Environment and Forestry, University of Florence, 50144 Firenze, Italy
| | - Paola Riolo
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Alessia Belloni
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
| | - Ike Olivotto
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60131 Ancona, Italy
- Correspondence: ; Tel.: +39-071-220-4643
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Pre-Treatment of Fish By-Products to Optimize Feeding of Tenebrio molitor L. Larvae. INSECTS 2022; 13:insects13020125. [PMID: 35206700 PMCID: PMC8880163 DOI: 10.3390/insects13020125] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/13/2022] [Accepted: 01/21/2022] [Indexed: 12/18/2022]
Abstract
Simple Summary The rapid population growth and the consequent increase in demand for protein-rich foods pose a challenge for the food industry. On the other hand, resources are limited and production must be sustainable. Currently, insects are accepted by the European Union as sustainable and nutritive food for humans, consequently allowing the use of seven insect species, including Tenebrio molitor (Linnaeus, 1758). From a nutritional point of view, T. molitor is rich in protein (42.2–67.7%) with a good ratio of essential amino acids. However, their lipidic fraction lacks n−3 long chain polyunsaturated fatty acids (LCPUFAs), while it is rich in n−6 polyunsaturated fatty acids. This poses a problem for human intake, since the beneficial effect of n−3 polyunsaturated fatty acids and a low n−6/n−3 ratio on the prevention of cardiovascular inflammation and heart disease is well known. The present study is focused on the improvement of the fatty acid profile and proximal composition of T. molitor larvae through fish discard-based diets subjected to different pre-treatments to increase the fish-based diet intake. Abstract Fish discards are organic waste with high and good-quality protein levels, as well as a fatty acid profile rich in n−3 LCPUFAs, mainly eicosapentaenoic acid and docosahexaenoic acid. These discards can be used as food for Tenebrio molitor (Linnaeus, 1758) larvae, thus increasing the nutritional value of this insect. This study focused on increasing larval acceptance of fish through different pre-treatments of the diets provided, as well as increasing the accumulation of EPA and DHA in fish-fed larvae. Four different diets were prepared: control (broiler feed), DGF50: 50% dried ground fish (Pagellus bogaraveo, Brünnich, 1768) + 50% broiler feed, for different periods, FGF100: 100% fresh ground P. bogaraveo and DUF100: 100% dried whole unground P. bogaraveo. Growth, mortality, proximate composition, fatty acid profile and lipid nutritional indices were determined. Larvae fed with FGF100 displayed better results among treatments, doubling the initial weight, as well as increasing their protein level and decreasing fat levels. Regarding fatty acids, eicosapentaenoic acid and docosahexaenoic acid were only detected in larvae fed with a fish-based diet for a period longer than 5 days. These results show that pre-treatment of fish-based diets causes changes in the growth and compositional parameters of T. molitor larvae.
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Oonincx DG, Laurent S, Veenenbos ME, van Loon JJ. Dietary enrichment of edible insects with omega 3 fatty acids. INSECT SCIENCE 2020; 27:500-509. [PMID: 30801963 PMCID: PMC7216978 DOI: 10.1111/1744-7917.12669] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 01/07/2019] [Accepted: 01/24/2019] [Indexed: 05/15/2023]
Abstract
Edible insects are advocated as sustainable and healthy food and feed. However, commercially produced insects are often low in n-3 fatty acids and have suboptimal n-6/n-3 ratios. A certain amount and proportion of these FAs is required to optimize human health. Flaxseed oil consists primarily (57%) out of alpha-linolenic acid. An experiment was conducted to quantify the effect of flaxseed oil provision on fatty acid composition and to determine the quantity needed to attain a beneficial n-6/n-3 ratio. Three species were used in the experiment: house crickets (Acheta domesticus [L.]), lesser mealworms (Alphitobius diaperinus [Pfanzer]) and black soldier flies (Hermetia illucens [L.]). These were provided with either a control diet or a diet enriched with 1%, 2%, or 4% flaxseed oil during their larval/nymphal stage. Fatty acid profiles of diets and insects were determined via GC-MS. The three species had distinct fatty acid profiles on all four diets, but responded similarly to flaxseed oil addition. For each percent added to the diet, the alpha-linolenic acid content of the insects increased by 2.3%-2.7%. Four percent addition increased the n-3 fatty acid content 10-20 fold in the three species and thereby strongly decreased n-6/n-3 ratios from 18-36 to 0.8-2.4. A ratio below 5 is considered optimal for human health and was achieved by 2% flaxseed oil inclusion for house crickets and lesser mealworms, and at 1% inclusion for black soldier flies. Adding a source of n-3 fatty acids to insect diets can thus improve the nutritional quality of insects.
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Affiliation(s)
- Dennis G.A.B. Oonincx
- Department of Animal Sciences, Animal Nutrition GroupWageningen UniversityWageningenthe Netherlands
- Laboratory of EntomologyDepartment of Plant SciencesWageningen UniversityWageningenthe Netherlands
| | - Sophie Laurent
- Laboratory of EntomologyDepartment of Plant SciencesWageningen UniversityWageningenthe Netherlands
- Sophie Laurent, ONIRISFood Process EngineeringUMR CNRS 6144 GEPEANantes Cedex 3France
| | - Margot E. Veenenbos
- Laboratory of EntomologyDepartment of Plant SciencesWageningen UniversityWageningenthe Netherlands
| | - Joop J.A. van Loon
- Laboratory of EntomologyDepartment of Plant SciencesWageningen UniversityWageningenthe Netherlands
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Lipid and amino acid profiles support the potential of Rhynchophorus phoenicis larvae for human nutrition. J Food Compost Anal 2017. [DOI: 10.1016/j.jfca.2017.03.016] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Adámková A, Kouřimská L, Borkovcová M, Kulma M, Mlček J. Nutritional valuse of edible coleoptera (Tenebrio molitor, Zophobas morio and Alphitobius diaperinus) reared reared in the Czech Republic. POTRAVINARSTVO 2016. [DOI: 10.5219/609] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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The effect of dietary fatty acid composition on the hepatic fatty acid content and plasma lipid profile in rats. ACTA VET BRNO 2015. [DOI: 10.2754/avb201584020197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The objective of the present study was to evaluate in a model organism the effect of different dietary lipids on plasma concentration of total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and triacylglycerols (TAG). One hundred adult male rats (Wistar Albino) were divided into 10 groups with 10 animals each and fed for 7 weeks either basic feed mixture (control diet, C) or basic feed mixture with 5% of palm oil (P), safflower oil (SF), salmon oil (S), fish oil (F), Schizochytrium microalga oil (A), and 20% of beef tallow (T; four groups), respectively. The T-groups were fed for another 7 weeks T-, SF-, F- and A-diet, respectively. At the end of both the first and the second 7-week fattening period, plasma lipid concentration and hepatic fatty acid content was determined. Both A and F diets fed for 7 weeks decreased (P < 0.05) plasma TC (0.98 mmol∙l-1) compared to control (1.19 mmol∙l-1). The highest (P < 0.05) plasma TC was established in rats fed for 7 weeks the SF-diet following the previous 7-week T-treatment (2.15 mmol∙l-1). A-diet had the most positive (decreasing) effect on TAG concentrations (0.68–0.86 mmol∙l-1 compared to 1.22 and 2.88 mmol∙l-1 found in the C and T diets, respectively; P < 0.05). Both plasma TC and TAG were in a negative relationship (P < 0.01) with the hepatic eicosapentaenoic acid and docosahexaenoic acid (DHA) contents, respectively. It was concluded that dietary Schizochytrium microalga oil (with high DHA content) may have the potential for decreasing the risk of cardiovascular diseases.
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Komprda T, Škultéty O, Křížková S, Zorníková G, Rozíková V, Krobot R. Effect of dietary Schizochytrium
microalga oil and fish oil on plasma cholesterol level in rats. J Anim Physiol Anim Nutr (Berl) 2014; 99:308-16. [DOI: 10.1111/jpn.12221] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 06/03/2014] [Indexed: 11/29/2022]
Affiliation(s)
- T. Komprda
- Department of Food Technology; Mendel University in Brno; Brno Czech Republic
| | - O. Škultéty
- Department of Animal Morphology, Physiology and Genetics; Mendel University in Brno; Brno Czech Republic
| | - S. Křížková
- Department of Chemistry and Biochemistry; Mendel University in Brno; Brno Czech Republic
| | - G. Zorníková
- Department of Food Technology; Mendel University in Brno; Brno Czech Republic
| | - V. Rozíková
- Department of Food Technology; Mendel University in Brno; Brno Czech Republic
| | - R. Krobot
- Department of Animal Nutrition and Forage Production; Mendel University in Brno; Brno Czech Republic
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