The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities
In the present study, the immune-stimulatory effect of two levels of honey bee pollen (5 and 10%, P5 and P10 treatment, respectively) and its supercritical fluid extract (0. 5 and 1%, E0.5 and E1, respectively) included in the diet, was tested in gilthead seabream (Sparus aurata). The in vivo trial...
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Frontiers Media S.A.
2020-02-01
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| Series: | Frontiers in Veterinary Science |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fvets.2020.00095/full |
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| author | Concetta Maria Messina Valentina Panettieri Rosaria Arena Giuseppe Renda Cristobal Espinosa Ruiz Maria Morghese Giovanni Piccolo Andrea Santulli Andrea Santulli Fulvia Bovera |
| author_facet | Concetta Maria Messina Valentina Panettieri Rosaria Arena Giuseppe Renda Cristobal Espinosa Ruiz Maria Morghese Giovanni Piccolo Andrea Santulli Andrea Santulli Fulvia Bovera |
| author_sort | Concetta Maria Messina |
| collection | DOAJ |
| description | In the present study, the immune-stimulatory effect of two levels of honey bee pollen (5 and 10%, P5 and P10 treatment, respectively) and its supercritical fluid extract (0. 5 and 1%, E0.5 and E1, respectively) included in the diet, was tested in gilthead seabream (Sparus aurata). The in vivo trial was preceded by the evaluation of antioxidant properties of three different bee pollen extracts obtained by water, ethanol 80%, and Supercritic Fluids Extraction (SFE). The preliminary evaluation attested that the SFE showed the lowest extraction yield (10.47%) compared to ethanol 80% (48.61%) and water (45.99%). SFE extract showed good antioxidant properties with high polyphenol content (13.06 mg GAE/g), radical scavenging activity (3.12 mg/ml), reducing power (38.68 mg/mL EC50). On the contrary, the water extract showed the significantly lowest polyphenol content (2 mg GAE/g; P < 0.05). The results of in vivo trial demonstrate that the diets supplemented with SFE bee pollen extract had a stimulatory effect on fish serum immunity, respect to the inclusion of raw pollen, this latter revealing some inhibitory effects in the immune response, such a decrease of serum peroxidase and lysozyme activities, particularly in P10 group significantly different (P < 0.05) from the control group. On the contrary, serum peroxidase, protease, antiprotease, were significantly increased in fish fed the diets supplemented with supercritical fluid extract, respect to the fish fed on control and on diets supplemented with 5 and 10% of raw pollen. For what concerns the bactericidal activity against Vibrio harveyii, all the treatments containing bee pollen regardless of the type showed their serum bactericidal activity significantly increased with respect to the control groups (p < 0.05). Given its high antioxidant properties, the absence of toxic solvents and the positive action carried out on improving the humoral response in gilthead seam bream, honey bee pollen SFE extract can be taken into account in the formulation of fish feeds. |
| first_indexed | 2024-12-13T14:54:16Z |
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| id | doaj.art-af0ae9d156e14af19e0d8ade6bd5e310 |
| institution | Directory Open Access Journal |
| issn | 2297-1769 |
| language | English |
| last_indexed | 2024-12-13T14:54:16Z |
| publishDate | 2020-02-01 |
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| series | Frontiers in Veterinary Science |
| spelling | doaj.art-af0ae9d156e14af19e0d8ade6bd5e3102022-12-21T23:41:16ZengFrontiers Media S.A.Frontiers in Veterinary Science2297-17692020-02-01710.3389/fvets.2020.00095524103The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial ActivitiesConcetta Maria Messina0Valentina Panettieri1Rosaria Arena2Giuseppe Renda3Cristobal Espinosa Ruiz4Maria Morghese5Giovanni Piccolo6Andrea Santulli7Andrea Santulli8Fulvia Bovera9Laboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyDepartment of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, ItalyLaboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyLaboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyLaboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyLaboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyDepartment of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, ItalyLaboratory of Marine Biochemistry and Ecotoxicology, Department of Earth and Sea Sciences, University of Palermo, Palermo, ItalyInstitute of Marine Biology, Consorzio Universitario Della Provincia di Trapani, Trapani, ItalyDepartment of Veterinary Medicine and Animal Production, University of Naples Federico II, Naples, ItalyIn the present study, the immune-stimulatory effect of two levels of honey bee pollen (5 and 10%, P5 and P10 treatment, respectively) and its supercritical fluid extract (0. 5 and 1%, E0.5 and E1, respectively) included in the diet, was tested in gilthead seabream (Sparus aurata). The in vivo trial was preceded by the evaluation of antioxidant properties of three different bee pollen extracts obtained by water, ethanol 80%, and Supercritic Fluids Extraction (SFE). The preliminary evaluation attested that the SFE showed the lowest extraction yield (10.47%) compared to ethanol 80% (48.61%) and water (45.99%). SFE extract showed good antioxidant properties with high polyphenol content (13.06 mg GAE/g), radical scavenging activity (3.12 mg/ml), reducing power (38.68 mg/mL EC50). On the contrary, the water extract showed the significantly lowest polyphenol content (2 mg GAE/g; P < 0.05). The results of in vivo trial demonstrate that the diets supplemented with SFE bee pollen extract had a stimulatory effect on fish serum immunity, respect to the inclusion of raw pollen, this latter revealing some inhibitory effects in the immune response, such a decrease of serum peroxidase and lysozyme activities, particularly in P10 group significantly different (P < 0.05) from the control group. On the contrary, serum peroxidase, protease, antiprotease, were significantly increased in fish fed the diets supplemented with supercritical fluid extract, respect to the fish fed on control and on diets supplemented with 5 and 10% of raw pollen. For what concerns the bactericidal activity against Vibrio harveyii, all the treatments containing bee pollen regardless of the type showed their serum bactericidal activity significantly increased with respect to the control groups (p < 0.05). Given its high antioxidant properties, the absence of toxic solvents and the positive action carried out on improving the humoral response in gilthead seam bream, honey bee pollen SFE extract can be taken into account in the formulation of fish feeds.https://www.frontiersin.org/article/10.3389/fvets.2020.00095/fullhoney bee pollensupercritical fluid extractionantioxidantsimmune-stimulationSparus aurata |
| spellingShingle | Concetta Maria Messina Valentina Panettieri Rosaria Arena Giuseppe Renda Cristobal Espinosa Ruiz Maria Morghese Giovanni Piccolo Andrea Santulli Andrea Santulli Fulvia Bovera The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities Frontiers in Veterinary Science honey bee pollen supercritical fluid extraction antioxidants immune-stimulation Sparus aurata |
| title | The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities |
| title_full | The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities |
| title_fullStr | The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities |
| title_full_unstemmed | The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities |
| title_short | The Inclusion of a Supercritical Fluid Extract, Obtained From Honey Bee Pollen, in the Diet of Gilthead Sea Bream (Sparus aurata), Improves Fish Immune Response by Enhancing Anti-oxidant, and Anti-bacterial Activities |
| title_sort | inclusion of a supercritical fluid extract obtained from honey bee pollen in the diet of gilthead sea bream sparus aurata improves fish immune response by enhancing anti oxidant and anti bacterial activities |
| topic | honey bee pollen supercritical fluid extraction antioxidants immune-stimulation Sparus aurata |
| url | https://www.frontiersin.org/article/10.3389/fvets.2020.00095/full |
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