Chemoprotection of amazonian Mauritia flexuosa fruit pulp against ammonia and nitrite toxicity to postlarvae shrimps Litopenaeus vannamei

  • Cleber dos Santos SIMIÃO Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Bioquímica Funcional de Organismos Aquáticos – BIFOA. http://orcid.org/0000-0003-2091-0485
  • Grecica Mariana Colombo Mariana COLOMBO Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Bioquímica Funcional de Organismos Aquáticos – BIFOA. http://orcid.org/0000-0002-4877-1109
  • Robson Matheus Marreiro GOMES Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Bioquímica Funcional de Organismos Aquáticos – BIFOA. http://orcid.org/0000-0002-4695-4534
  • Patrícia Baptista RAMOS Universidade Federal do Rio Grande – FURG, Instituto de Oceanografia – IO, Laboratório de Bioquímica Funcional de Organismos Aquáticos – BIFOA. http://orcid.org/0000-0003-4708-3520
  • Marcelo Borges TESSER Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Nutrição de Organismos Aquáticos – LANOA. http://orcid.org/0000-0003-4818-9829
  • Wilson WASIELESKY JUNIOR Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Carcinocultura. http://orcid.org/0000-0002-7267-4755
  • José María MONSERRAT Universidade Federal do Rio Grande – FURG, Programa de Pós-Graduação em Aquicultura, Instituto de Oceanografia – IO, Laboratório de Bioquímica Funcional de Organismos Aquáticos – BIFOA, Instituto de Ciências Biológicas – ICB. http://orcid.org/0000-0002-9463-3049

Abstract

The chemoprotection of “buriti” Mauritia flexuosa (inclusion in diet: 0-control group; 1.25; 2.50; 5.00; and 10.00% W/W) to Litopenaeus vannamei postlarvae (PL) exposed to ammonia or nitrite was investigated. Analyzed variables include antioxidant (ACAP) and oxidative damage (TBARS) responses and levels of total carotenoids. The results indicated that there was no significant difference (p >0.05) in zootechnical variables between diets. The PL carotenoid content (R2 = 0.86), ACAP (R2 = 0.78), and TBARS (R2 = 0.91) showed a dose-dependent relationship with the inclusion levels of “buriti” (p <0.05). After 43 days, juvenile shrimps were exposed for 96 h to ammonia (0.48 mg NH3-N L-1) or nitrite (40 mg NO3 L-1). Higher scavenging activity against peroxyl radicals was observed in PL fed with 2.50 and 5.00% of “buriti” (ammonia exposure), or 5.00 and 10.00% (nitrite exposure) of “buriti” inclusion. Content of reduced glutathione was higher in shrimps exposed to ammonia and fed with 10.00% of “buriti”. Lipid peroxidation levels were lower in shrimps exposed to ammonia or nitrite and previously fed with inclusion higher than 2.50% of “buriti”. The increased scavenging activity and lower lipid peroxidation in ammonia or nitrite-exposed organisms and previously supplemented with “buriti” point to a hormetic response that increases the resilience of L. vannamei to cope with nitrogenous compounds, pointing to the use of this fruit as a chemoprotectant agent.

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Published
2022-05-20
How to Cite
SIMIÃO, Cleber dos Santos et al. Chemoprotection of amazonian Mauritia flexuosa fruit pulp against ammonia and nitrite toxicity to postlarvae shrimps Litopenaeus vannamei. Boletim do Instituto de Pesca, [S.l.], v. 48, may 2022. ISSN 1678-2305. Available at: <https://www.pesca.sp.gov.br/boletim/index.php/bip/article/view/1679>. Date accessed: 26 june 2022. doi: https://doi.org/10.20950/1678-2305/bip.2022.48.e679.
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Scientific Article