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Quagliardi M, Frapiccini E, Marini M, Panfili M, Santanatoglia A, Kouamo Nguefang ML, Roncarati A, Vittori S, Borsetta G. Use of grape by-products in aquaculture: New frontiers for a circular economy application. Heliyon 2024; 10:e27443. [PMID: 38468965 PMCID: PMC10926132 DOI: 10.1016/j.heliyon.2024.e27443] [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: 10/31/2023] [Revised: 02/20/2024] [Accepted: 02/28/2024] [Indexed: 03/13/2024] Open
Abstract
Grape by-products have already been used in cosmetics, food industries, but also animal feed industry, especially monogastrics and in aquaculture. Grape by-products have been studied for a long time and their principal activities are antimicrobial and antioxidant. Concerning aquaculture, the great demand and necessity to replace animal sources with vegetable ones, has placed grape by-products as possible new phytonutrients with beneficial properties. The purpose of this review is to describe the use of grape by-products in aquaculture, during the last decade, concerning their effects on: 1) gut health and welfare status; 2) growth performances; 3) quality of fillets and flesh during the rearing cycle and shelf-life products. Although other studies highlighted that the high supplementation of grape by-products could negatively affect fish health and growth, due to antinutritional factors (tannins), grape by-products are proven to be valuable phytonutrients that can be incorporated into fish feed to enhance growth and health during rearing conditions. Even in fish products, their utilization has proven to elongate the properties and shelf-life of fillets and minces. Further studies to evaluate the possible integrations or replacements with grape by-products in fish feed in order to evaluate their effectiveness in aquaculture from a sustainable circular economy perspective will be desirable to enhance the use of these products.
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Affiliation(s)
- Martina Quagliardi
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, 62024, Italy
| | - Emanuela Frapiccini
- National Research Council—Institute of Marine Biological Resources and Biotechnologies (CNR-IRBIM), Ancona, 60125, Italy
| | - Mauro Marini
- National Research Council—Institute of Marine Biological Resources and Biotechnologies (CNR-IRBIM), Ancona, 60125, Italy
| | - Monica Panfili
- National Research Council—Institute of Marine Biological Resources and Biotechnologies (CNR-IRBIM), Ancona, 60125, Italy
| | | | | | - Alessandra Roncarati
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, 62024, Italy
| | - Sauro Vittori
- School of Pharmacy, University of Camerino, Camerino, 62032, Italy
| | - Germana Borsetta
- School of Pharmacy, University of Camerino, Camerino, 62032, Italy
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2
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Abu-Zahra NIS, Elseify MM, Atia AA, Al-Sokary ET. Impacts of florfenicol on immunity, antioxidant activity, and histopathology of Oreochromis niloticus: a potential protective effect of dietary spirulina platensis. Vet Res Commun 2024; 48:125-138. [PMID: 37563419 PMCID: PMC10811121 DOI: 10.1007/s11259-023-10189-9] [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: 05/19/2023] [Accepted: 07/26/2023] [Indexed: 08/12/2023]
Abstract
The misuse of antibiotics enhances the development of resistant microorganisms and decreases the efficacy of treatments. Florfenicol (FF) is one of the antibiotics approved for use in aquaculture in Egypt. Because of its extensive usage, potential negative impacts on aquatic creatures are a major concern. This motivates us to search for an appropriate neoadjuvant to work synergistically with FF and reduce adverse effects. Results from this study will contribute towards improving the understanding of the impacts of FF on Oreochromis niloticus and the possible amelioratory effects of Spirulina platensis algae (SP). O. niloticus (n = 240; 40 ± 2.5 g) were fed on two diets supplemented with or without SP for 4 weeks, then divided into four treatments each in three replicates (n = 60/treatment). G1; was fed a control diet, and the other groups were fed diets supplemented with FF (10 mg /kg of BW, G2), SP (2 g/kg of diet, G3), or FF + SP (G4) for 10 days. Among the four groups, the SP group (G3) had the best immunostimulatory effects as observed by a significant (p < 0.05) elevation in phagocytic activity, phagocytic index, IL6, and TNF-α. The treatment with FF had significantly impacted hepatic and renal tissues, as the values of liver enzymes and creatinine demonstrated tissue deterioration and also resulted in oxidative stress, which was expressed by an increase of GPx, CAT, and SOD in (G2). Additionally, the combined FF + SP improved the hematological parameters and decreased the oxidative damage induced by FF (G4). Thus, it was clear that FF has harmful effects on O. niloticus and that SP can modulate such impacts. These data recommend the use of SP as an effective immunostimulant and a probable adjuvant to FF in O. niloticus diets to attain maximum disease resistance.
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Affiliation(s)
- Nagwa I S Abu-Zahra
- Department of Fish Diseases, Kafrelsheikh Provincial Lab, Animal Health Research Institute (AHRI) Agriculture Research Center (ARC), Giza, Egypt.
| | - Mohamed M Elseify
- Department of Immunology, Kafrelsheikh Provincial Lab, Animal Health Research Institute (AHRI) Agriculture Research Center (ARC), Giza, Egypt
| | - Ayman A Atia
- Department of Pathology, Kafrelsheikh Provincial Lab, Animal Health Research Institute (AHRI) Agriculture Research Center (ARC), Giza, Egypt
| | - Eman T Al-Sokary
- Department of Biochemistry, Kafrelsheikh Provincial Lab, Animal Health Research Institute (AHRI) Agriculture Research Center (ARC), Giza, Egypt
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3
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Zapata AG. The fish spleen. FISH & SHELLFISH IMMUNOLOGY 2024; 144:109280. [PMID: 38086514 DOI: 10.1016/j.fsi.2023.109280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/31/2023]
Abstract
In the present study, we review the structure and function of fish spleen with special emphasis on its condition in Elasmobranchs, Teleosts and Lungfish. Apart from the amount of splenic lymphoid tissue, the histological organization of the organ ensures the existence of areas involved in antigen trapping, the ellipsoids, and exhibit numerous melano-macrophages which appear isolated or forming the so-called melano-macrophage centres. An extensive discussion on the functional significance of these centres conclude that they are mere accumulations of macrophages consequence of tissue homeostasis rather than primitive germinal centres, as proposed by some authors.
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Affiliation(s)
- Agustín G Zapata
- Department of Cell Biology, Faculty of Biology, Complutense University, 28040, Madrid, Spain.
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4
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Naiel MA, El-Kholy AI, Negm SS, Ghazanfar S, Shukry M, Zhang Z, Ahmadifar E, Abdel-Latif HM. A Mini-Review on Plant-Derived Phenolic Compounds with Particular Emphasis on Their Possible Applications and Beneficial Uses in Aquaculture. ANNALS OF ANIMAL SCIENCE 2023; 23:971-977. [DOI: 10.2478/aoas-2023-0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Abstract
The use of most antibiotics has been restricted and banned in finfish and shrimp farms due to several reasons comprising their long-lasting persistence in aquatic environments, relatively high prices, and their ability to promote the existence of antibiotic-resistant bacteria. Hence, finding economical, natural, and environmentally safe alternatives is of great importance. The use of polyphenols, polyphenol-rich plants, and plant-derived phenolic compounds for promoting aquatic animal health and welfare could be from the effective strategies for developing aquafeed and maintaining the sustainability of the aquaculture industry. Several plants are gorgeous in various bioactive functional ingredients known as phytochemicals and polyphenols. Phenolic compounds could be successfully used as natural immunostimulants in order to raise the immunity of finfish and shrimp species against several bacterial, viral, and parasitic infections and thus may replace the use of antimicrobial agents. Besides their potential roles for improvement of the growth performance, intestinal health, and enhancing the antioxidant capacity of the treated animals. Even though the trend of using plant-derived phenolic compounds is a new and leading era for the improvement of the functionality of aquafeed and the development of the aquaculture industry, there are fundamental needs and necessities to describe a clear understanding of their modes of action and potential roles in the improvement of the production rates, antioxidant activity, immune status, and disease resistance of farmed fish and shrimp.
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Affiliation(s)
- Mohammed A.E. Naiel
- Department of Animal Production, Faculty of Agriculture , Zagazig University , Zagazig , Egypt
| | - Abdullah I. El-Kholy
- Pharmaceutical Technology Unit, National Institute of Laser Enhanced Sciences , Cairo University , Giza , Egypt
| | - Samar S. Negm
- Fish Biology and Ecology Department , Central Lab for Aquaculture Research, Abbassa, Agriculture Research Center , Giza , Egypt
| | - Shakira Ghazanfar
- National Institute for Genomics Advanced and Biotechnology (NIGAB), National Agricultural Research Centre , Park Road, Islamabad 45500 , Pakistan
| | - Mustafa Shukry
- Physiology Department, Faculty of Veterinary Medicine , Kafrelsheikh University , Kafrelsheikh , Egypt
| | - Zhaowei Zhang
- National Reference Laboratory for Agricultural Testing (Biotoxin), Key Laboratory of Biology and Genetic Improvement of Oil Crops, Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of Chinese Academy of Agricultural Sciences , Wuhan , PR China
| | - Ehsan Ahmadifar
- Department of Fisheries, Faculty of Natural Resources , University of Zabol , Zabol , Iran
| | - Hany M.R. Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine , Alexandria University , Alexandria , Egypt
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5
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Nogueira WV, Aznar-García MJ, Martínez-Antequera FP, de Las Heras AMB, Tesser MB, Garda-Buffon J, Moyano FJ. Evaluation of Interactions of Added Soybean Peroxidase with Other Nutrients Present in Fish Feeds Using an In Vitro Digestive Simulation. Animals (Basel) 2023; 13:3046. [PMID: 37835652 PMCID: PMC10572071 DOI: 10.3390/ani13193046] [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: 09/02/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Peroxidase (PO) has been applied in different areas of industrial biotechnology, including the control of contaminants like aflatoxin B1 in fish feeds. However, its potential negative interactions with the macro and micro components of feeds have not been evaluated. The aim of this study was to evaluate the impact of PO's addition to a feed on compounds like fatty acids and polyphenols using an in vitro simulation of the digestive tract of the tilapia. The influence on fatty acids was determined by changes in the peroxide index, with the feed including PO presenting values four times higher than those of the control feed. On the other hand, the in vitro digestive simulation also evidenced an effect of PO on the bioaccessibility of polyphenols significantly influenced by the total digestion time and temperature. The bioaccessibility of polyphenol ranged from 2.09 to 16.23 μmol of the total Trolox equivalent antioxidant capacity for the combinations evaluated in the study. The greatest bioaccessibility was observed at the central point under the following conditions of digestive hydrolysis: pH of 7, 30 °C, 4.5 h of digestive hydrolysis and an absence of PO.
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Affiliation(s)
- Wesclen Vilar Nogueira
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande 96203-900, RS, Brazil;
| | - María Jesús Aznar-García
- Departamento de Biología y Geología, Universidad de Almería, 04120 Almería, Spain; (M.J.A.-G.); (F.P.M.-A.); (A.M.B.d.L.H.)
| | | | - Antonia M. Barros de Las Heras
- Departamento de Biología y Geología, Universidad de Almería, 04120 Almería, Spain; (M.J.A.-G.); (F.P.M.-A.); (A.M.B.d.L.H.)
| | - Marcelo Borges Tesser
- Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande 96203-900, RS, Brazil;
| | - Jaqueline Garda-Buffon
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande 96203-900, RS, Brazil;
| | - Francisco Javier Moyano
- Departamento de Biología y Geología, Universidad de Almería, 04120 Almería, Spain; (M.J.A.-G.); (F.P.M.-A.); (A.M.B.d.L.H.)
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6
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Tarricone S, Iaffaldano N, Colonna MA, Giannico F, Selvaggi M, Caputi Jambrenghi A, Cariglia M, Ragni M. Effects of Dietary Red Grape Extract on the Quality Traits in Juvenile European Sea Bass ( Dicentrarchus labrax L.). Animals (Basel) 2023; 13:ani13020254. [PMID: 36670794 PMCID: PMC9854464 DOI: 10.3390/ani13020254] [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: 10/27/2022] [Revised: 12/23/2022] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
Intensive fish farming is responsible for the occurrence of various stressors that negatively affect the health of cultured animals. Polyphenols are plant-derived compounds with biological activities and positive influences on the performances and immunity of fish. The aim of the present study was to evaluate the effects of dietary inclusion of a polyphenol extract obtained from Nero di Troia red grape on the quality of farmed sea bass (Dicentrarchus labrax) fillets. Three diets were tested: control (n = 90) received a conventional feed, whereas the two experimental groups (n = 90 each) received the control feed supplemented with the red grape polyphenol extract (GPE) at the concentration of 100 (GPE 100) or 200 mg/kg (GPE 200). The two GPE diets lowered (p < 0.05) the red (a *) and yellow (b *) indexes, fillet hardness, and total lipid content. Chewiness, concentration of saturated fatty acids, and the Atherogenic Index were higher (p < 0.05) in the control group; GPE diets increased (p < 0.05) the polyunsaturated fatty acids content. Furthermore, the concentration of malondialdehyde was lower (p < 0.05) in fillets of the GPE groups, thus confirming the antioxidant effect of the red grape extract and its effectiveness in preventing lipid oxidation.
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Affiliation(s)
- Simona Tarricone
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Nicolaia Iaffaldano
- Department of Agricultural, Environmental and Food Science, University of Molise, 86100 Campobasso, Italy
| | - Maria Antonietta Colonna
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70125 Bari, Italy
- Correspondence:
| | - Francesco Giannico
- Department of Veterinary Medicine, University of Bari Aldo Moro, 70010 Bari, Italy
| | - Maria Selvaggi
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Anna Caputi Jambrenghi
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Michela Cariglia
- Gargano Pesca Società Agricola Consortile Arl-Società Benefit, Porto Alti Fondali, 71043 Manfredonia, Italy
| | - Marco Ragni
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70125 Bari, Italy
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7
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Vijayaram S, Sun YZ, Zuorro A, Ghafarifarsani H, Van Doan H, Hoseinifar SH. Bioactive immunostimulants as health-promoting feed additives in aquaculture: A review. FISH & SHELLFISH IMMUNOLOGY 2022; 130:294-308. [PMID: 36100067 DOI: 10.1016/j.fsi.2022.09.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Bioactive immunostimulants could be derived from different sources like plants, animals, microbes, algae, yeast, etc. Bioactive immunostimulants are the most significant role to enhance aquatic production, as well as the cost of this method, which is effective, non-toxic, and environment-friendly. These immunostimulants are supportive to increase the immune system, growth, antioxidant, anti-inflammatory, and disease resistance of aquatic animals' health and also improve aquatic animal feed. Diseases are mainly targeted to the immune system of aquatic organisms in such a way that different processes of bioactive immunostimulants progress are considered imperative techniques for the development of aquaculture production. Communicable infections are the main problem for aquaculture, while the mortality and morbidity connected with some outbreaks significantly limit the productivity of some sectors. Aquaculture is considered the mainly developing food production sector globally. Protein insists is an important issue in human nutrition. Aquaculture has been an exercise for thousands of years, and it has now surpassed capture fisheries as the most vital source of seafood in the world. Limited study reports are available to focal point on bioactive immunostimulants in aquaculture applications. This review report provides information on the nutritional administration of bioactive immunostimulants, their types, functions, and beneficial impacts on aquatic animals' health as well as for the feed quality development in the aquaculture industry. The scope of this review combined to afford various kinds of natural derived bioactive molecules utilization and their beneficial effects in aquaculture applications.
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Affiliation(s)
- Seerengaraj Vijayaram
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Fisheries College, Jimei University, Xiamen, China; Department of Environmental Studies, School of Energy Environment and Natural Resources, Madurai Kamaraj University, Madurai, India
| | - Yun-Zhang Sun
- Xiamen Key Laboratory for Feed Quality Testing and Safety Evaluation, Fisheries College, Jimei University, Xiamen, China; The Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture, Fisheries College, Jimei University, Xiamen, China.
| | - Antonio Zuorro
- Department of Chemical Engineering, Materials and Environment, Sapienza University, Via Eudossiana 18, 00184, Rome, Italy
| | - Hamed Ghafarifarsani
- Department of Fisheries, Faculty of Natural Resources, Urmia University, Urmia, Iran
| | - Hien Van Doan
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand; Science and Technology Research Institute, Chiang Mai University, Suthep, Muang, Chiang Mai, Thailand.
| | - Seyed Hossein Hoseinifar
- Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
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Yuanyuan N, Xiaobo Y, Shang W, Yutong Y, Hongrui Z, Chenyu L, Bin X, Xi Z, Chen Z, Zhiqiang S, Jingfeng W, Yun L, Pingfeng Y, Zhigang Q. Isolation and characterization of two homolog phages infecting Pseudomonas aeruginosa. Front Microbiol 2022; 13:946251. [PMID: 35935197 PMCID: PMC9348578 DOI: 10.3389/fmicb.2022.946251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/24/2022] [Indexed: 12/02/2022] Open
Abstract
Bacteriophages (phages) are capable of infecting specific bacteria, and therefore can be used as a biological control agent to control bacteria-induced animal, plant, and human diseases. In this study, two homolog phages (named PPAY and PPAT) that infect Pseudomonas aeruginosa PAO1 were isolated and characterized. The results of the phage plaque assay showed that PPAT plaques were transparent dots, while the PPAY plaques were translucent dots with a halo. Transmission electron microscopy results showed that PPAT (65 nm) and PPAY (60 nm) strains are similar in size and have an icosahedral head and a short tail. Therefore, these belong to the short-tailed phage family Podoviridae. One-step growth curves revealed the latent period of 20 min and burst time of 30 min for PPAT and PPAY. The burst size of PPAT (953 PFUs/infected cell) was higher than that of PPAY (457 PFUs/infected cell). Also, the adsorption rate constant of PPAT (5.97 × 10−7 ml/min) was higher than that of PPAY (1.32 × 10−7 ml/min) at 5 min. Whole-genome sequencing of phages was carried out using the Illumina HiSeq platform. The genomes of PPAT and PPAY have 54,888 and 50,154 bp, respectively. Only 17 of the 352 predicted ORFs of PPAT could be matched to homologous genes of known function. Likewise, among the 351 predicted ORFs of PPAY, only 18 ORFs could be matched to genes of established functions. Homology and evolutionary analysis indicated that PPAT and PPAY are closely related to PA11. The presence of tail fiber proteins in PPAY but not in PPAT may have contributed to the halo effect of its plaque spots. In all, PPAT and PPAY, newly discovered P. aeruginosa phages, showed growth inhibitory effects on bacteria and can be used for research and clinical purposes.
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Affiliation(s)
- Niu Yuanyuan
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Yang Xiaobo
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Wang Shang
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Yang Yutong
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Zhou Hongrui
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Li Chenyu
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Xue Bin
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Zhang Xi
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Zhao Chen
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Shen Zhiqiang
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Wang Jingfeng
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Ling Yun
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, China
- *Correspondence: Ling Yun,
| | - Yu Pingfeng
- College of Environment and Resource Sciences, Zhejiang University, Hangzhou, China
| | - Qiu Zhigang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, China
- Key Laboratory of Risk Assessment and Control for Environment and Food Safety, TianJin Institute of Environmental and Operational Medicine, Tianjin, China
- Qiu Zhigang,
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9
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Effects of elderflower extract enriched with polyphenols on antioxidant defense of salmon leukocytes. ELECTRON J BIOTECHN 2021. [DOI: 10.1016/j.ejbt.2021.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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10
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Sammari H, Jedidi S, Selmi H, Rtibi K, Jabri MA, Jridi M, Zouari N, Toumi L, Sebai H. Protective effects of Crataegus azarolus L. berries aqueous extract against castor oil-induced diarrhea, oxidative stress, and inflammation in rat. Neurogastroenterol Motil 2021; 33:e14065. [PMID: 33320393 DOI: 10.1111/nmo.14065] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 10/02/2020] [Accepted: 11/25/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Diarrhea is a multifactorial gastrointestinal disorder responsible for about 5 million deaths annually. The chemical composition, the antioxidant activity of Crataegus azarolus berries aqueous extract (CABAE) as well as its protective effects against castor oil-induced diarrhea, oxidative stress, and inflammation in rat were studied. METHODS Sixty male rats were used and divided into six groups of ten animals in each: Control (C), castor oil (CO), CO+various doses of CABAE (100, 200, and 400 mg/kg b.w., p.o.), and CO+loperamide (LOP, 10 mg/kg b.w., p.o.). KEY RESULTS The CABAE showed relatively high levels of total polyphenols, flavonoids, and tannins. The LC-HRESIMS technique allowed the identification of 5 phenolic compounds and the major component is quinic acid. In vivo studies showed that CABAE protected against castor oil-induced diarrhea and intestinal fluid accumulation. The CABAE counteracted castor oil-induced lipoperoxidation, preserved GSH and thiol groups levels, and prevented the depletion of antioxidant enzyme activities, such as superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx). The CABAE administration also protected against castor oil-induced inflammatory markers (ALP and CRP) increase. More importantly, castor oil induced an increase of intracellular mediators, such as hydrogen peroxide, free iron, and calcium, while CABAE pretreatment significantly reversed them to near control levels. CONCLUSION The Crataegus azarolus berries aqueous extract significantly protected against diarrhea due in part to its antioxidant and anti-inflammatory properties.
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Affiliation(s)
- Houcem Sammari
- Unité de Physiologie Fonctionnelle et Valorisation des Bio-Ressources, Institut Supérieur de Biotechnologie de Beja, Université de Jendouba, Beja, Tunisia.,Laboratoire des Ressources Sylvo-Pastorales, Institut Sylvo-Pastoral de Tabarka, Université de Jendouba, Tabarka, Tunisia.,Faculté des Sciences de Bizerte, Université de Carthage, Bizerte, Tunisia
| | - Saber Jedidi
- Unité de Physiologie Fonctionnelle et Valorisation des Bio-Ressources, Institut Supérieur de Biotechnologie de Beja, Université de Jendouba, Beja, Tunisia.,Laboratoire des Ressources Sylvo-Pastorales, Institut Sylvo-Pastoral de Tabarka, Université de Jendouba, Tabarka, Tunisia
| | - Houcine Selmi
- Laboratoire des Ressources Sylvo-Pastorales, Institut Sylvo-Pastoral de Tabarka, Université de Jendouba, Tabarka, Tunisia
| | - Kais Rtibi
- Unité de Physiologie Fonctionnelle et Valorisation des Bio-Ressources, Institut Supérieur de Biotechnologie de Beja, Université de Jendouba, Beja, Tunisia
| | - Mohamed-Amine Jabri
- Unité de Physiologie Fonctionnelle et Valorisation des Bio-Ressources, Institut Supérieur de Biotechnologie de Beja, Université de Jendouba, Beja, Tunisia
| | - Mourad Jridi
- Laboratoire de Génie Enzymatique et de Microbiologie, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
| | - Nacim Zouari
- Laboratoire de Génie Enzymatique et de Microbiologie, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisia
| | - Lamjed Toumi
- Laboratoire des Ressources Sylvo-Pastorales, Institut Sylvo-Pastoral de Tabarka, Université de Jendouba, Tabarka, Tunisia
| | - Hichem Sebai
- Unité de Physiologie Fonctionnelle et Valorisation des Bio-Ressources, Institut Supérieur de Biotechnologie de Beja, Université de Jendouba, Beja, Tunisia
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Influence of Feeding Quinoa ( Chenopodium quinoa) Seeds and Prickly Pear Fruit ( Opuntia ficus indica) Peel on the Immune Response and Resistance to Aeromonas sobria Infection in Nile Tilapia ( Oreochromis niloticus). Animals (Basel) 2020; 10:ani10122266. [PMID: 33271917 PMCID: PMC7760620 DOI: 10.3390/ani10122266] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/27/2020] [Accepted: 11/29/2020] [Indexed: 01/09/2023] Open
Abstract
Simple Summary The inclusion of dietary supplements as feed additives in fish feed promotes the growth, immunity, and health of the fish, thereby accomplishing extraordinary outcomes in the net gain of the farm. Therefore, the present study was conducted to evaluate the influence of using quinoa seeds (QU) and prickly pear fruit peel (PP) as dietary supplements for fish, at the dose levels of 10% and 20% of the diet, on the immune response and disease resistance against pathogens, providing a novel perspective in aquaculture. Our findings indicated that the inclusion of PP and QU into the diets of Nile tilapia (Oreochromis niloticus) as feed supplements improved the survival rate, as well as the hematological, digestive, antioxidant, and immunological parameters. Moreover, an improvement in the strength of Nile tilapia immune response against Aeromonas sobria (A. sobria) infection was observed, evidenced by the improvement in the survival rate of infected fish. This was accomplished through the protection of the hepatic tissue and modulation of the expression of immune-encoding genes, including the downregulation of the gene encoding TGF-β and upregulation of the IFN-γ-encoding gene. Moreover, histological restoration of the morphological structures of intestine, liver, and spleen tissues was observed, particularly at the supplementation level of 20%. Abstract In recent times, nutraceuticals have been used extensively to identify promising feed additives for the improvement of the aquaculture industry through the enhancement of growth and survival rates, potentiation of the immune responses, and fortification of the resistance against infectious bacterial diseases. In this study, Nile tilapia (Oreochromis niloticus) were fed with diets supplemented with quinoa seeds (QU) or prickly pear fruit peel (PP) at the dose levels of 10% or 20% of the diet. After 45 days of the feeding trial, the fish were exposed to Aeromonas sobria (A. sobria) challenge. The pre-challenge indices indicated that both supplements mediated a significant improvement in most of the estimated parameters, including survival rate, antioxidant status, hematological and immunological indices, and hepatoprotective potential. These effects were recorded in the groups fed with high doses of the supplements (20%). The least changes were observed in the QU10-supplemented fish. In the spleen tissue, the TGF-β gene was upregulated in the PP10-, PP20- and QU20-supplemented groups, while the expression of the IFN-γ gene remained unaffected in all the supplemented groups, except for the PP20-supplemented group, which showed an upregulation. After the challenge with A. sobria, the relative survival percentage was improved by the supplementation of PP and QU, particularly in the PP20-supplemented group, possibly via the promotion of immunological responses, hepatoprotective potency, and modulation of the studied genes. Moreover, the morphological structure of the tissues showed marked recovery. The findings suggest that Nile tilapia fed with different levels of PP peel and QU seeds, particularly at the level of 20%, enhanced the immune response in fish and improved their resistance against A. sobria infection.
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El Asely A, Amin A, Abd El-Naby AS, Samir F, El-Ashram A, Dawood MAO. Ziziphus mauritiana supplementation of Nile tilapia (Oreochromis niloticus) diet for improvement of immune response to Aeromonas hydrophila infection. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1561-1575. [PMID: 32399785 DOI: 10.1007/s10695-020-00812-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 04/23/2020] [Indexed: 06/11/2023]
Abstract
This study evaluated the effectiveness of dietary Ziziphus mauritiana leaf powder (ZLP) to control Aeromonas hydrophila infection in Nile tilapia and reduce damage to vital immune organs. Four experimental groups were fed a diet supplemented with ZLP at concentrations of 0, 5, 10, and 20 g/kg (w/w) for 6 weeks. At the end of the feeding trial, all groups were intraperitoneally injected with pathogenic A. hydrophila. It was found that Z. mauritiana significantly (P < 0.05) upregulated (lysozyme, interleukin 1 beta) and superoxide dismutase gene expressions as well as improved the activity of serum lysozyme and liver antioxidant enzymes. The fish that were fed a ZLP-supplemented diet also exhibited significantly higher survival rates after A. hydrophila challenge than those that were fed a ZLP-free diet (P < 0.05). Supplementation of 10 g/kg ZLP most effectively reduced the histopathological alterations caused by A. hydrophila challenge in the liver, spleen, kidney, and muscle of the fish. In conclusion, ZLP can be effective in controlling A. hydrophila infection in Nile tilapia (particularly at a concentration of 10 g/kg) through enhancement of its immune and antioxidant status.
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Affiliation(s)
- Amel El Asely
- Department of Aquatic Animals Diseases and Management, Faculty of Veterinary Medicine, Benha University, Benha, 13736, Egypt
| | - Aziza Amin
- Department of Pathology, Faculty of Veterinary Medicine, Benha University, Benha, 13736, Egypt
| | - Asmaa S Abd El-Naby
- Fish Nutrition Department, Central Laboratory for Aquaculture Research, Abassa, Abu Hammad, Sharkia, Tell El Kebir, Egypt
| | - Fatma Samir
- Fish Nutrition Department, Central Laboratory for Aquaculture Research, Abassa, Abu Hammad, Sharkia, Tell El Kebir, Egypt
| | | | - Mahmoud A O Dawood
- Animal Production Department, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.
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Carminato A, Pascoli F, Trocino A, Locatello L, Maccatrozzo L, Palazzi R, Radaelli G, Ballarin C, Bortoletti M, Bertotto D. Productive Results, Oxidative Stress and Contaminant Markers in European Sea Bass: Conventional vs. Organic Feeding. Animals (Basel) 2020; 10:E1226. [PMID: 32708457 PMCID: PMC7401601 DOI: 10.3390/ani10071226] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/01/2020] [Accepted: 07/15/2020] [Indexed: 11/16/2022] Open
Abstract
In the present study European sea bass (Dicentrarchus labrax) subjected to two different diets (organic vs. conventional) were evaluated in terms of growing performances, oxidative stress, and contaminant markers. Growing performances were evaluated using biometric measures and condition factor (K), whereas insulin-like growth factor (IGF-I and IGF-II) levels were assessed trough Real-Time PCR analysis. For oxidative stress, immunohistochemical staining for 8-hydroxy-2'-deoxyguanosine (8-OHdG) and 4-hydroxy-2-nonenal (HNE) was performed, whereas total glutathione (GSH) in blood serum was determined by an enzymatic method adapted. Cytochrome P4501A (CYP1A) and melanomacrophage centers (MMCs) were evaluated as contaminant markers trough immunohistochemical and histochemical approaches, respectively. The growing performances showed a positive trend in both groups but a greater productivity in conventional fed fish compared to the organic ones. A significant higher expression of MMCs was observed in organic vs. conventional diet fed fish. Fillet analysis showed a higher MUFA content and a lower PUFAs n-6 content in organically fed sea bass indicating that diets with a content in fatty acids closer to that of wild fish will definitely affect the fatty acid profile of the fish flesh. On the other hand, the diet composition did not seem to affect neither the oxidative stress parameters (GSH, 8-OHdG, HNE) nor the CYP1A expression.
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Affiliation(s)
- Antonio Carminato
- Italian Health Authority and Research Organization for Animal Health and Food Safety, Viale dell’Università 14, 35020 Padova, Italy; (A.C.); (F.P.)
| | - Francesco Pascoli
- Italian Health Authority and Research Organization for Animal Health and Food Safety, Viale dell’Università 14, 35020 Padova, Italy; (A.C.); (F.P.)
| | - Angela Trocino
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
| | - Lisa Locatello
- Department of Biology, University of Padova, Via U. Bassi 58/b, 35121 Padova, Italy;
| | - Lisa Maccatrozzo
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
| | - Renato Palazzi
- Veneto Agricoltura, Innovation and Development Section, Viale dell’Università 14, 35020 Padova, Italy;
| | - Giuseppe Radaelli
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
| | - Cristina Ballarin
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
| | - Martina Bortoletti
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
| | - Daniela Bertotto
- Department of Comparative Biomedicine and Food Science (BCA), University of Padova, Viale dell’Università 16, 35020 Padova, Italy; (A.T.); (L.M.); (C.B.); (M.B.); (D.B.)
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Leyva-López N, Lizárraga-Velázquez CE, Hernández C, Sánchez-Gutiérrez EY. Exploitation of Agro-Industrial Waste as Potential Source of Bioactive Compounds for Aquaculture. Foods 2020; 9:E843. [PMID: 32605275 PMCID: PMC7404778 DOI: 10.3390/foods9070843] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/16/2020] [Accepted: 06/18/2020] [Indexed: 02/07/2023] Open
Abstract
The agroindustry generates a large amount of waste. In postharvest, food losses can reach up to 50%. This waste represents a source of contamination of soil, air, and bodies of water. This represents a problem for the environment as well as for public health. However, this waste is an important source of bioactive compounds, such as phenolic compounds, terpenes, and β-glucans, among others. Several biological activities have been attributed to these compounds; for example, antioxidant, antimicrobial, gut microbiota, and immune system modulators. These properties have been associated with improvements in health. Recently, the approach of using these bioactive compounds as food additives for aquaculture have been addressed, where it is sought that organisms, in addition to growing, preserve their health and become disease resistant. The exploitation of agro-industrial waste as a source of bioactive compounds for aquaculture has a triple objective-to provide added value to production chains, reduce pollution, and improve the well-being of organisms through nutrition. However, to make use of the waste, it is necessary to revalue them, mainly by determining their biological effects in aquaculture organisms. The composition of bioactive compounds of agro-industrial wastes, their biological properties, and their application in aquaculture will be addressed here.
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Affiliation(s)
- Nayely Leyva-López
- Cátedras CONACYT-Centro de Investigación en Alimentación y Desarrollo, A.C. (Food and Development Research Center), Unidad Mazatlán. Av. Sábalo Cerritos S/N, Mazatlán 82112, Sinaloa, Mexico;
- Centro de Investigación en Alimentación y Desarrollo, A.C. (Food and Development Research Center), Unidad Mazatlán. Av. Sábalo Cerritos S/N, Mazatlán 82112, Sinaloa, Mexico; (C.E.L.-V.); (E.Y.S.-G.)
| | - Cynthia E. Lizárraga-Velázquez
- Centro de Investigación en Alimentación y Desarrollo, A.C. (Food and Development Research Center), Unidad Mazatlán. Av. Sábalo Cerritos S/N, Mazatlán 82112, Sinaloa, Mexico; (C.E.L.-V.); (E.Y.S.-G.)
| | - Crisantema Hernández
- Centro de Investigación en Alimentación y Desarrollo, A.C. (Food and Development Research Center), Unidad Mazatlán. Av. Sábalo Cerritos S/N, Mazatlán 82112, Sinaloa, Mexico; (C.E.L.-V.); (E.Y.S.-G.)
| | - Erika Y. Sánchez-Gutiérrez
- Centro de Investigación en Alimentación y Desarrollo, A.C. (Food and Development Research Center), Unidad Mazatlán. Av. Sábalo Cerritos S/N, Mazatlán 82112, Sinaloa, Mexico; (C.E.L.-V.); (E.Y.S.-G.)
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Zhao Y, Fan C, Zhang A, Zhang Y, Wang F, Weng Q, Xu M. Walnut Polyphenol Extract Protects against Malathion- and Chlorpyrifos-Induced Immunotoxicity by Modulating TLRx-NOX-ROS. Nutrients 2020; 12:E616. [PMID: 32120800 PMCID: PMC7146534 DOI: 10.3390/nu12030616] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/24/2020] [Accepted: 02/25/2020] [Indexed: 12/20/2022] Open
Abstract
Malathion (MT) and chlorpyrifos (CPF) are immunotoxic organophosphate pesticides that are used extensively in agriculture worldwide. Dietary polyphenols protect against a variety of toxins. In this study, walnut polyphenol extract (WPE) prevents MT- or CPF-induced toxicity to splenic lymphocytes in vitro. WPE promotes the proliferation of MT-exposed splenocytes, as indicated by increases in the proportions of splenic T-lymphocyte subpopulations (CD3+, CD4+, and CD8+ T cells) and levels of T-cell-related cytokines interleukin (IL)-2, interferon-γ, IL-4, and granzyme B, and decreases the apoptosis-associated proteins Bax and p53. WPE also significantly enhances the proliferation of CPF-exposed splenic B lymphocytes (CD19+ B cells) and levels of the B-cell-related cytokine IL-6, leading to decreases of the apoptosis-associated proteins Bax and p53. These effects are related to reduced production of reactive oxygen species (ROS), as evidenced by normalized hydroxyl radical (•OH), malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), catalase (CAT), and glutathione (GSH) levels, which are associated with decreased expression of NADPH oxidase 2 (NOX2) and dual oxidase 1 (DUOX1). WPE inhibits the production of ROS and expression of NOX by regulating toll-like receptors 4 and 7 in MT- and CPF-exposed splenic lymphocytes. In conclusion, WPE protects against MT- or CPF-mediated immunotoxicity and inhibits oxidative damage by modulating toll-like receptor (TLR)x-NOX-ROS.
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Affiliation(s)
- Yue Zhao
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Chang Fan
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Ao Zhang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Yue Zhang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Fengjun Wang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
| | - Qiang Weng
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
| | - Meiyu Xu
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China; (Y.Z.); (C.F.); (A.Z.); (Y.Z.); (F.W.); (Q.W.)
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China
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Magrone T, Spagnoletta A, Magrone M, Russo MA, Corriero A, Jirillo E, Passantino L. Effects of Polyphenol Administration to European Farmed Sea Bass ( Dicentrharcus labrax L.): Special Focus on Hepatopancreas Morphology. Endocr Metab Immune Disord Drug Targets 2020; 19:526-533. [PMID: 30306883 DOI: 10.2174/1871530318666181009111214] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 07/26/2018] [Accepted: 09/03/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND OBJECTIVE Hepatopancreas is an accessory organ associated with the liver in some fish, even including sea bass (Dicentrharcus labrax L.). Hepatopancreas contains an exocrine portion but until now its function has poorly been investigated. METHODS Here, European farmed sea bass have been treated with a feed enriched in polyphenols extracted from seeds of red grape (Nero di Troia cultivar) at two different doses (100 and 200 mg/kg, respectively) from day 273 to day 323. In fish samples, hepatopancreas area sizes have been measured to evaluate the effects of this dietary regimen on its morphology. RESULTS Quite interestingly, in treated fish area sizes of hepatopancreas were higher than those detected in untreated fish. Two hundred mg dose of polyphenols was more effective than that of 100 mg/kg polyphenols. Finally, hepatic polyphenol concentration was diminished in fish receiving 100 mg dose polyphenols and normalized with 200 mg dose in comparison to untreated fish. This evidence suggests the utilization of polyphenols for liver function, even including hepatopancreas development. CONCLUSION Our data suggest an expansion of hepatopancreas induced by polyphenol administration that is also associated with less mortality in farmed fish.
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Affiliation(s)
- Thea Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Anna Spagnoletta
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari "Aldo Moro", Bari, Italy.,ENEA Research Centre Trisaia, Laboratory "BioProducts and BioProcesses", Rotondella (MT), Italy
| | - Manrico Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Matteo Antonio Russo
- MEBIC Consortium, San Raffaele Open University of Rome and IRCCS San Raffaele Pisana of Rome, Rome, Italy
| | - Aldo Corriero
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy
| | - Emilio Jirillo
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari "Aldo Moro", Bari, Italy
| | - Letizia Passantino
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy
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Beneficial and detrimental effects of the phytochemical naringenin on rainbow trout intestinal epithelial cells. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Magrone T, Russo MA, Jirillo E. Dietary Approaches to Attain Fish Health with Special Reference to their Immune System. Curr Pharm Des 2019; 24:4921-4931. [PMID: 30608037 DOI: 10.2174/1381612825666190104121544] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 12/25/2018] [Accepted: 12/28/2018] [Indexed: 02/08/2023]
Abstract
Fish despite their low collocation in the vertebrate phylum possess a complete immune system. In teleost fish both innate and adaptive immune responses have been described with melanomacrophage centers (MMCs) equivalent to mammalian germinal centers. Primary lymphoid organs are represented by the thymus and kidney, while spleen and mucosa-associated lymphoid tissues act as secondary lymphoid organs. Functions of either innate immune cells (e.g., macrophages and dendritic cells) or adaptive immune cells (T and B lymphocytes) will be described in detail, even including their products, such as cytokines and antibodies. In spite of a robust immune arsenal, fish are very much exposed to infectious agents (marine bacteria, parasites, fungi, and viruses) and, consequentially, mortality is very much enhanced especially in farmed fish. In fact, in aquaculture stressful events (overcrowding), microbial infections very frequently lead to a high rate of mortality. With the aim to reduce mortality of farmed fish through the reinforcement of their immune status the current trend is to administer natural products together with the conventional feed. Then, in the second part of the present review emphasis will be placed on a series of products, such as prebiotics, probiotics and synbiotics, β-glucans, vitamins, fatty acids and polyphenols all used to feed farmed fish. With special reference to polyphenols, results of our group using red grape extracts to feed farmed European sea bass will be illustrated. In particular, determination of cytokine production at intestinal and splenic levels, areas of MMCs and development of hepatopancreas will represent the main biomarkers considered. All together, our own data and those of current literature suggests that natural product administration to farmed fish for their beneficial effects may, in part, solve the problem of fish mortality in aquaculture, enhancing their immune responses.
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Affiliation(s)
- Thea Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, University of Bari, School of Medicine, Bari, Italy
| | - Matteo A Russo
- MEBIC Consortium, San Raffaele Open University of Rome and IRCCS San Raffaele Pisana of Rome, Rome, Italy
| | - Emilio Jirillo
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, University of Bari, School of Medicine, Bari, Italy
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Banavreh A, Soltani M, Kamali A, Yazdani-Sadati MA, Shamsaie M. Immuno-physiological and antioxidant responses of Siberian sturgeon (Acipenser baerii) fed with different levels of olive pomace. FISH PHYSIOLOGY AND BIOCHEMISTRY 2019; 45:1419-1429. [PMID: 31073676 DOI: 10.1007/s10695-019-00649-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
Nowadays, use of the natural plant derivatives as an immunostimulant in aquaculture is becoming more useful than antibiotics which are destructive to target animals, consumers, and the environment. The present study aimed to evaluate the efficacy of dietary substitution of wheat flour at 2, 5, 7.5, and 10% of olive pomace (OP2, OP5, OP7.5, and OP10) in some immune-physiological and antioxidant variables of yearling Siberian sturgeon (Acipenser baerii) weighing 165 ± 6.8 g at 19.1 ± 1.52 °C for 56 days. Fifteen fish per tank were randomly accommodated in triplicates per treatment and the control group was also included. No significant difference was seen in hematological indices including red blood cells (RBS) and immunocompetent cell population sizes among the treated groups (P > 0.05). Also, malondialdehyde (MDA) activity and superoxide dismutase (SOD) in serum remained unaffected in different treatments (P > 0.05). Total protein (TP), high-density lipoprotein (HDL), catalase (CT), and lysozyme were affected by dietary OP levels (P < 0.05), and the highest value was observed at the OP5 diet, but no influence was seen in serum IgM by OP. These data show that application of olive pomace as a partial substitute of wheat flour in the diet of Siberian sturgeon is feasible with stimulatory and antioxidant functions.
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Affiliation(s)
- Akbar Banavreh
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mehdi Soltani
- Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
- Freshwater Fish Group and Fish Health Unit, School of Veterinary and Life Sciences, Murdoch University, Perth, Australia.
| | - Abolghasem Kamali
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad A Yazdani-Sadati
- International Sturgeon Research Institute-Agricultural Research Education Organization (AREEO), Rasht, Guilan, Iran
| | - Mehdi Shamsaie
- Department of Fisheries, Faculty of Agriculture and Natural Resources, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Chestnut Shell Extract Modulates Immune
Parameters in the Rainbow Trout Oncorhynchus mykiss. FISHES 2019. [DOI: 10.3390/fishes4010018] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this study, chestnut (Castanea sativa) shell was extracted with different solvents, and immunomodulatory activity was investigated in an in vitro model system using blood and intestinal leukocytes of Oncorhynchus mykiss. Gallic acid (GA) was used as a standard. Chestnut shell extract (CSE) and GA readily entered both blood and intestinal leukocytes. Superoxide anion production and phagocytosis were decreased by low doses of CSE and increased with high doses. CSE and GA differently regulated cytokine expression in blood and intestinal leukocytes. High doses of CSE upregulated IL-1β, TNF-α, and IL-10 in intestinal leukocytes and IL-10 in blood leukocytes. Low doses of CSE upregulated IL-1β and TNF-α in blood leukocytes. GA appeared to be effective only in blood leukocytes. The effects of CSE on pro- and anti-inflammatory cytokines seemed to suggest an alert effect of the immune defense system against a possible infectious agent. The less evident effect of GA in comparison to CSE could have been attributable to the synergistic and/or additive effects of polyphenols in the latter. The immune-stimulating activity of CSE reported here could be useful for future practical applications in fish health.
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Liu H, Wan Y, Wang Y, Zhao Y, Zhang Y, Zhang A, Weng Q, Xu M. Walnut Polyphenol Extract Protects against Fenitrothion-Induced Immunotoxicity in Murine Splenic Lymphocytes. Nutrients 2018; 10:nu10121838. [PMID: 30513644 PMCID: PMC6315471 DOI: 10.3390/nu10121838] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 11/18/2018] [Accepted: 11/21/2018] [Indexed: 12/12/2022] Open
Abstract
Fenitrothion (FNT), an organophosphate pesticide, exerts an immunotoxic effect on splenocytes. Dietary polyphenol compounds exert antioxidant, anticancer and antihypertensive effects. In this study, we investigated the effect of walnut polyphenol extract (WPE) on FNT-induced immunotoxicity in splenic lymphocytes in vitro. Treatment with WPE significantly increased the proliferation of FNT-exposed splenocytes, as evidenced by increases in the proportions of splenic T lymphocytes (CD3+ T cells) and T-cell subsets (CD8+ T cells), as well as the secretion of the T-cell-related cytokines interleukin (IL)-2, interferon-γ, IL-4 and granzyme B. These effects were associated with a reduction in oxidative stress, as evidenced by changes in the levels of hydroxyl radical, superoxide dismutase, glutathione peroxidase and malondialdehyde. Moreover, WPE decreased the FNT-induced overexpression of NADPH oxidase 2 and dual oxidase 1 by regulating Toll-like receptor 4 signaling in splenic T-cells. Taken together, these findings suggest that WPE protects against FNT-mediated immunotoxicity and improves immune function by inhibiting oxidative stress.
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Affiliation(s)
- Hong Liu
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yifang Wan
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yuxin Wang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yue Zhao
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yue Zhang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Ao Zhang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Qiang Weng
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Meiyu Xu
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
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22
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Bedhiafi T, Charradi K, Azaiz MB, Mahmoudi M, Msakni I, Jebari K, Bouziani A, Limam F, Aouani E. Supplementation of grape seed and skin extract to orlistat therapy prevents high-fat diet-induced murine spleen lipotoxicity. Appl Physiol Nutr Metab 2018; 43:782-794. [PMID: 29514007 DOI: 10.1139/apnm-2017-0743] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2023]
Abstract
Spleen is the largest lymphoid organ and obesity is related to an elevated risk of immunity dysfunction. The mechanism whereby fat adversely affects the spleen is poorly understood. This study was designed to assess the effectiveness of grape seed and skin extract (GSSE) and orlistat (Xenical, Xe) on high-fat diet (HFD)-induced spleen lipotoxicity. Obese rats were treated either with GSSE (4 g/kg body weight) or Xe (2 mg/kg body weight) or GSSE+Xe and monitored for weight loss for 3 months. Animals were then sacrificed and their spleen used for the evaluation of lipotoxicity-induced oxidative stress and inflammation as well as the putative protection afforded by GSSE and Xe treatment. HFD induced body weight gain and glycogen accumulation into the spleen; ectopic deposition of cholesterol and triglycerides and an oxidative stress characterized by increased lipoperoxidation and carbonylation; inhibition of antioxidant enzyme activities, such as catalase, glutathione peroxidase, and superoxide dismutase; depletion of zinc and copper; and a concomitant increase in calcium. HFD also increased plasma pro-inflammatory cytokines, such as interleukin (IL)-6, IL-17A, tumour necrosis factor alpha, and C-reactive protein, and decreased plasma IL-10 and adiponectin. Importantly, GSSE counteracted all the deleterious effects of HFD on spleen (i.e., lipotoxicity, oxidative stress, and inflammation) and the best protection was obtained when combining Xe+GSSE. Combining GSSE with Xe prevented against fat-induced spleen lipotoxicity, oxidative stress, and inflammation; this combination may be beneficial in other diseases related to the spleen.
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Affiliation(s)
- Takwa Bedhiafi
- a Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
| | - Kamel Charradi
- a Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
| | - Mouna Ben Azaiz
- c Immunology Department, Military Hospital of Tunis, Tunis, 1008, Tunisia
| | - Mohamed Mahmoudi
- a Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
| | - Issam Msakni
- d Anatomy and Cyto-Pathology Department, Military Hospital, Mont-Fleury, Tunis, 1008, Tunisia
| | - Khawla Jebari
- a Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
| | - Ammar Bouziani
- d Anatomy and Cyto-Pathology Department, Military Hospital, Mont-Fleury, Tunis, 1008, Tunisia
| | - Ferid Limam
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
| | - Ezzedine Aouani
- a Faculty of Sciences of Bizerte, University of Carthage, 7021 Jarzouna, Tunisia
- b Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria, BP 901, 2050 Hammam Lif, Tunisia
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23
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Arciuli M, Fiocco D, Fontana S, Arena MP, Frassanito MA, Gallone A. Administration of a polyphenol-enriched feed to farmed sea bass (Dicentrarchus labrax L.): Kidney melanomacrophages response. FISH & SHELLFISH IMMUNOLOGY 2017; 68:404-410. [PMID: 28743629 DOI: 10.1016/j.fsi.2017.07.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 07/13/2017] [Accepted: 07/21/2017] [Indexed: 06/07/2023]
Abstract
The reinforcement of the defense mechanism of fish, through the administration of immunostimulants, is considered as a promising alternative to vaccines. Natural immunostimulants such as polyphenols, flavanoids, pigments and essential oils can modulate the innate immune response. In lower vertebrates, melano-macrophage centres, i.e. clusters of pigment-containing cells forming the extracutaneous pigment system, are wide-spread in the stroma of the haemopoietic tissue, mainly in kidney and spleen. In fishes, melano-macrophage centres play an important role in the immune response against antigenic stimulants and pathogens. In the present study, we evaluated the effect of a polyphenol-enriched diet on the health status of European sea bass (Dicentrarchus labrax L.). Farmed sea bass were administered a feed containing a phytocomplex, rich in catechins and epigallocatechins, which was obtained from the seeds of Canosina Nero di Troia Vitis vinifera and mixed with conventional feed at two different concentrations. The effects of such a diet were investigated in juvenile and commercial size samples, i.e. undergoing a short- and long-term period of diet, respectively, focusing on their extracutaneous pigmentary system and, in more detail, on the enzymatic activities leading to melanin biosynthesis. Our results show that prolonged dietary treatments with higher concentration of polyphenols might modulate tyrosinase activity and gene expression in commercial size fishes. An increase of melano-macrophage activity is correlated to a stimulation of cytoprotective functions against antigenic stimulants and pathogens, as an expression of a robust and protective adaptive immune response.
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Affiliation(s)
- Marcella Arciuli
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro", Bari, 70124, Italy
| | - Daniela Fiocco
- Department of Clinical and Experimental Medicine, Foggia University- Foggia, Italy
| | | | - Mattia Pia Arena
- Department of Clinical and Experimental Medicine, Foggia University- Foggia, Italy
| | | | - Anna Gallone
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro", Bari, 70124, Italy.
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24
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Torno C, Staats S, Pascual-Teresa SD, Rimbach G, Schulz C. Fatty Acid Profile Is Modulated by Dietary Resveratrol in Rainbow Trout (Oncorhynchus mykiss). Mar Drugs 2017; 15:E252. [PMID: 28800114 PMCID: PMC5577606 DOI: 10.3390/md15080252] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 07/31/2017] [Accepted: 08/08/2017] [Indexed: 11/17/2022] Open
Abstract
To produce fish of a high quality that are rich in omega-3 fatty acids (n-3 FA) and simultaneously generate more sustainable aquaculture, the combined use of phytochemicals and vegetable oils in fish feed seems to be a promising approach. Resveratrol (RV) potentially induces endogenous fatty acid synthesis, resulting in elevated n-3 FA levels in fish. RV putatively influences ∆6-desaturase, the key enzyme in FA metabolism, and serves as a ligand for PPARα, a transcription factor regulating β-oxidation. Rainbow trout (36.35 ± 0.03 g) were randomly allocated into six groups and fed diets with reduced fish oil levels (F4 = 4%, F2 = 2% and F0 = 0% of dry matter) supplemented with 0.3% (w/w) RV (F4 + RV, F2 + RV and F0 + RV). RV significantly affected FA composition in liver tissue and whole fish homogenates. 20:5n-3 (EPA) and 22:6n-3 (DHA) were significantly increased whereas precursor FA were diminished in fish fed the F2 + RV and F0 + RV diets when compared to F4 + RV and F0. RV significantly elevated ∆6-desaturase protein levels in the livers of F0 + RV fed animals. Hepatic mRNA expression of ∆6-desaturase, PPARα, and its target genes were affected by the dietary fish oil level and not by dietary RV. The results of this study indicated a potential benefit of supplementing RV in fish oil deprived diets elevating n-3 FA levels in rainbow trout.
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Affiliation(s)
- Claudia Torno
- GMA-Gesellschaft für Marine Aquakultur mbH, Hafentörn 3, 25761 Büsum, Germany.
- Institute of Animal Breeding and Husbandry, University of Kiel, Olshausenstraße 40, 24098 Kiel, Germany.
| | - Stefanie Staats
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118 Kiel, Germany.
| | - Sonia de Pascual-Teresa
- Department of Metabolism and Nutrition, Institute of Food Science, Food Technology and Nutrition (ICTAN-CSIC), José Antonio Novais 10, 28040 Madrid, Spain.
| | - Gerald Rimbach
- Institute of Human Nutrition and Food Science, University of Kiel, Hermann-Rodewald-Straße 6, 24118 Kiel, Germany.
| | - Carsten Schulz
- GMA-Gesellschaft für Marine Aquakultur mbH, Hafentörn 3, 25761 Büsum, Germany.
- Institute of Animal Breeding and Husbandry, University of Kiel, Olshausenstraße 40, 24098 Kiel, Germany.
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25
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Active polyphenolic compounds, nutrient contents and antioxidant capacity of extruded fish feed containing purple coneflower ( Echinacea purpurea (L.) Moench.). Saudi J Biol Sci 2016; 26:24-30. [PMID: 30622403 PMCID: PMC6318779 DOI: 10.1016/j.sjbs.2016.11.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 05/11/2016] [Accepted: 11/15/2016] [Indexed: 11/22/2022] Open
Abstract
The growth of fish is directly dependent on feed composition and quality. Medicinal plants can be added to fish feed as adjuvant therapy for the prevention of fish diseases. The purple coneflower (Echinacea purpurea (L.) Moench.) has been reported to have multiple biological effects, including immunomodulatory and antioxidant activity. The most active compounds of E. purpurea are polyphenols - caffeic acid derivatives: caftaric acid, chlorogenic acid, cynarin, echinacoside and cichoric acid. Due to a relatively limited number of studies on the use of the purple coneflower as a nutritional supplement for fish feeding, extruded fish feed with addition of Echinacea roots was produced. In the feed total phenolic content, selected polyphenol contents, the energetic value, nutrient contents and antioxidant capacity were examined. The results indicate that fish feed with addition of the Echinacea has a great potential to be a good source of natural radical scavengers, for example polyphenols, and nutritive ingredients. Antioxidant properties of feed were well correlated with the coneflower content. The study findings confirmed that high-temperature extrusion-cooking process does not deactivate phenolic antioxidant compounds, which are present both in the Echinacea roots and in the final product. Fish feed with addition of E. purpurea can be used as a nutritional supplement in the prevention of fish diseases caused by oxidative stress.
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26
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Yang L, Ma S, Han Y, Wang Y, Guo Y, Weng Q, Xu M. Walnut Polyphenol Extract Attenuates Immunotoxicity Induced by 4-Pentylphenol and 3-methyl-4-nitrophenol in Murine Splenic Lymphocyte. Nutrients 2016; 8:E287. [PMID: 27187455 PMCID: PMC4882700 DOI: 10.3390/nu8050287] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 04/15/2016] [Accepted: 04/21/2016] [Indexed: 12/18/2022] Open
Abstract
4-pentylphenol (PP) and 3-methyl-4-nitrophenol (PNMC), two important components of vehicle emissions, have been shown to confer toxicity in splenocytes. Certain natural products, such as those derived from walnuts, exhibit a range of antioxidative, antitumor, and anti-inflammatory properties. Here, we investigated the effects of walnut polyphenol extract (WPE) on immunotoxicity induced by PP and PNMC in murine splenic lymphocytes. Treatment with WPE was shown to significantly enhance proliferation of splenocytes exposed to PP or PNMC, characterized by increases in the percentages of splenic T lymphocytes (CD3+ T cells) and T cell subsets (CD4+ and CD8+ T cells), as well as the production of T cell-related cytokines and granzymes (interleukin-2, interleukin-4, and granzyme-B) in cells exposed to PP or PNMC. These effects were associated with a decrease in oxidative stress, as evidenced by changes in OH, SOD, GSH-Px, and MDA levels. The total phenolic content of WPE was 34,800 ± 200 mg gallic acid equivalents/100 g, consisting of at least 16 unique phenols, including ellagitannins, quercetin, valoneic acid dilactone, and gallic acid. Taken together, these results suggest that walnut polyphenols significantly attenuated PP and PNMC-mediated immunotoxicity and improved immune function by inhibiting oxidative stress.
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Affiliation(s)
- Lubing Yang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Sihui Ma
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yu Han
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Yuhan Wang
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Yan Guo
- College of Basic Medicine, Changchun University of Traditional Chinese Medicine, Changchun 130117, China.
| | - Qiang Weng
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
| | - Meiyu Xu
- Collage of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China.
- Beijing Key Laboratory of Forest Food Processing and Safety, Beijing Forestry University, Beijing 100083, China.
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