O extrato de maracujá sobre a morfometria de hepatócitos da tilápia do Nilo

Oliveira, Ricardo Henrique Franco de; Silva, Elyara Maria Pereira-da; Bueno, Rachel Santos; Barone, Adriana Aparecida Cuel

doi:10.1590/s0103-84782010001200020

Cited by 6 publications

(4 citation statements)

References 20 publications

(19 reference statements)

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“…Fernandes et al (2009) observed an increase in liver glycogen levels in diabetic rats receiving naringerin in the diet. Oliveira et al (2010) observed that tilapia fed with passion fruit (Passifl ora edulis) extract showed increased cytoplasmic area and decrease nuclei amounts. These authors attribute the increased glycogen accumulation to the presence of fl avonoids (vitexin) in passion fruit extract.…”

Section: Variablesmentioning

confidence: 99%

Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil

Ferreira

Caldas

Salaro

et al. 2016

An. Acad. Bras. Ciênc.

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This study aimed to evaluate the effect of oregano oil on the intestinal and liver morphometry of yellow tail tetra, Astyanax altiparanae. Fish (1.46 ± 0.09 g) were kept in a 60-L aquaria, at a stocking density of 0.5 fi sh L -1 . Six diets containing varying amounts of oregano oil were evaluated (0.0; 0.5; 1.0; 1.5; 2.0 and 2.5 g of oregano oil kg -1 ). At the end of 90 days, the fi sh were euthanised. Four intestines and four livers were collected per treatment, which were fi xed in Bouin and embedded in resin. For height and width folds, the absorption surface area and thickness of the muscular layer a positive linear effect of oregano oil was observed. A decrescent linear effect on the total number of goblet cells was also observed. For the cytoplasmic percentage of hepatocytes and liver glycogen, a positive linear effect of oregano oil was observed. There was a decreasing linear effect on the percentage of nuclei in the hepatocytes and capillaries. Thus, the oregano essential oil promotes increased absorption areas, modulates the amount of goblet cells involved in protecting the intestinal mucosa and promotes cytoplasmic increase with greater deposition of liver glycogen in yellow tail tetra.

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Section: Variablesmentioning

confidence: 99%

Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil

Ferreira

Caldas

Salaro

et al. 2016

An. Acad. Bras. Ciênc.

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“…Research, Society and Development, v. 9, n. 3, e97932578, 2020(CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i3.2578 Herbal medicine was tested for aquatic organisms in order to promote improvements in zootechnical indices and animal well-being. In this context, some studies were observed such as passion fruit extract for Nile tilapia (Oliveira et al, 2010), herbal extract for Lateolabrax japonicus (Wang et al, 2018), Cinnamon extract for Pyrrhulina brevis larvae (Abe et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

The Hyphessobrycon eques (Steindachner, 1882) coloration influenced by the addition of Attalea Phalerata Mart. ex spreng crude oil

Porto

Lima

Sousa

et al. 2020

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A coloração do Hyphessobrycon eques (Steindachner, 1882) influenciada pela adição do óleo de Attalea phalerata Mart. ex spreng The Hyphessobrycon eques (Steindachner, 1882) coloration influenced by the addition of Attalea Phalerata Mart. ex spreng crude oil La coloración de los Hyphessobrycon eques (Steindachner, 1882) fue influenciada por la adición de Attalea phalerata Mart. ex spreng Resumo O óleo da polpa de bacuri (Attalea phalerata Mart. ex Spreng) possui propriedades medicinais devido a uma alta concentração de carotenoides e ácido palmitoleico do grupo dos Ômegas-7 que podem beneficiar a saúde e o bem-estar dos peixes. O objetivou-se avaliar os benefícios Research, Society and Development, v. 9, n. 3, e97932578, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i3.2578 2 da inclusão do óleo de bacuri no desenvolvimento e coloração do Mato Grosso (Hyphessobrycon eques Steindachner 1882). Foram utilizados 51 espécimes de mato grosso distribuídos em quatro unidades de 10L em sistema de recirculação individual e água termostatizada a 28° C. Durante o ensaio de 60 dias os peixes foram alimentados com dietas comercial (DC) e dieta comercial acrescida de óleo essencial de bacuri (5g.kg-1) (DB). Ao final do período experimental foram avaliadas a sobrevivência, o crescimento, coloração e termogenicidade. Os dados foram analisados pelo teste de Duncan (P>0,05). O uso de óleo de bacuri proporcionou baixo índice de crescimento, no entanto destaca-se que apresentou maior comprimento em relação ao grupo DC. O consumo não foi afetado pelo acréscimo do óleo do bacuri, não tendo efeito na palatabilidade da dieta. No entanto a sobrevivência do ensaio foi de 73% para DB e 88% para DC. Não foi observado alteração na coloração e na termogenicidade dos peixes com a inclusão óleo de bacuri. O fator de condição dos peixes DB foi superior ao DC, o que demostra a capacidade em promover bem-estar aos peixes. Concluise que na dose utilizada o óleo essencial de bacuri não é recomendado para o Mato Grosso como suplemento para aperfeiçoar a coloração.Palavras-chave: Peixes ornamentais; Pigmentação; Tetra-serpae. AbstractBacuri pulp oil (Attalea phalerata Mart. Ex Spreng) has medicinal properties due to a high concentration of carotenoids and palmitoleic acid from the Omega-7 group that can benefit the health and well-being of fish. The objective was to evaluate the benefits of including bacuri oil in the development and coloring of Mato Grosso (Hyphessobrycon eques Steindachner, 1882). 51 specimens of coarse forest were used, distributed in four units of 10L in individual recirculation system and thermostated water at 28 ° C. During the 60-day trial the fish were fed with commercial diets (DC) and commercial diet plus essential oil of bacuri (5g.kg -1 ) (DB). At the end of the experimental period, survival, growth, color and thermogenicity were evaluated. The data were analyzed using the Duncan test (P> 0.05). The use of bacuri oil provided a low growth rate, however it is noteworthy that it was longer in relati...

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“…Although fish fed the 0.5 and 1.0% levels did not differ significantly from the control ones, the 1.5% group exhibited a significantly higher hepatocyte area when compared to the other ones, perhaps suggesting a better nutritional status. Increased fish hepatocyte size has been associated with increased reserves of glycogen and lipids, suggesting an enhanced liver nutritional status (Oliveira et al 2010, Ferreira et al 2016. This hypothesis could be evaluated in a specific study.…”

Section: Discussionmentioning

confidence: 98%

Dietary supplementation of ginger (Zingiber officinale) essential oil exhibits positive immunomodulatory effects on the Neotropical catfish Pseudoplatystoma reticulatum without negative effects on fish liver histomorphometry

Almeida

Martins

Oliveira

et al. 2021

Lat. Am. J. Aquat. Res.

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This study evaluated the dietary supplementation of ginger Zingiber officinale essential oil for the Neotropical catfish Pseudoplatystoma reticulatum, its effects on fish hematology, immunology, the response of these variables to induction of stress (exposition to air for 3 min), and a bacterial challenge with Aeromonas hydrophila, and the effects on liver histomorphometry. Three levels of the ginger essential oil were evaluated (0.5, 1.0 and 1.5%) in addition to a control group (0%) in a feeding trial for 65 days in triplicate. Fish hematology and immunology were assessed at five different moments: after the feeding trial (0), after the stress induction (stress), and three points after the bacterial challenge (3, 6 and 24 h post-challenge). Fish fed the ginger essential oil supplemented diets did not exhibit significant differences between the hematocrit at the 0-sample point and the 24 h post-challenge point (P ≥ 0.05), while fish fed the control diet presented significantly lower values for the hematocrit when comparing those same two moments (P < 0.05). The thrombocytes count for fish fed the 0.5% essential oil supplemented diet was significantly higher than all other groups after the feeding trial (P < 0.05), and their total leukocytes count after the stress induction was also significantly higher than the other treatments (P < 0.05). Although the results mentioned above indicate that the ginger essential oil had positive health effects on the fish, no significant differences in survival after the challenge with A. hydrophila were observed (P ≥ 0.05). Lastly, histomorphometry suggests that the essential oil did not negatively impact fish hepatocytes.

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O extrato de maracujá sobre a morfometria de hepatócitos da tilápia do Nilo

Abstract: RESUMO Avaliaram-se os efeitos do extrato de maracujá veiculado na dieta (0, 50, 100 e 200mg kg -1 ) sobre o consumo de alimento, o ganho em peso e os níveis de glicose e cortisol plasmático de juvenis de tilápias do Nilo (87,0 6,6g

Cited by 6 publications

References 20 publications

Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil

Intestinal and liver morphometry of the Yellow Tail Tetra (Astyanax altiparanae) fed with oregano oil

The Hyphessobrycon eques (Steindachner, 1882) coloration influenced by the addition of Attalea Phalerata Mart. ex spreng crude oil

Dietary supplementation of ginger (Zingiber officinale) essential oil exhibits positive immunomodulatory effects on the Neotropical catfish Pseudoplatystoma reticulatum without negative effects on fish liver histomorphometry

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