Maternal rat prenatal and neonatal treatment with pequi pulp reduces anxiety and lipid peroxidation in brain tissue of rat offspring at adolescence

Suedna da Costa Silva Kindelan,Michelly Pires Queiroz, Mayara Queiroga Barbosa,Vanessa Bordin Viera, Gerlane Coelho Guerra,Daline Fernandes de Souza Araujo, Jany Jacielly dos Santos, Maria Lucia de Azevedo Oliveira,Paloma Cristina Milhomens Ferreira Melo,Juliano Carlo Rufino Freitas, Larissa Maria Gomes Dutra, Marilia Ferreira Frazao Tavares de Melo,Juliana Kessia Barbosa Soares

HELIYON(2023)

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摘要
The Pequi fruit (Caryocar Brasiliense cambess), typical of the Brazilian cerrado or savannah, is a source of essential fatty acids, carotenoids, and phenolic compounds. The aim of this study was to analyze the effects of consuming this fruit on anxiety behavior and lipid peroxidation in the brains of rats whose mothers were treated (by gavage) during pregnancy and lactation with Pequi fruit (pulp or nuts) at 2000 mg/kg of body weight. Anxiety parameters were assessed using the open field (OF), elevated plus maze (EPM), and light/dark box (LDB) tests. The brain was removed to measure malondialdehyde (MDA) levels. Data were analyzed using One-way Anova (p < 0.05). In the OF, the animals in the pulp group presented more time spent in the central area (20.37 +/- 0.73 vs Control: 12.51 +/- 0.39; Nuts: 8.28 +/- 0.40) and increased locomotion (159.7 +/- 6.10) compared to the other groups (Control: 127.3 +/- 5.54; Nuts: 139.08 +/- 6.57). In the EPM, the pulp group entered into the open arms (8.57 +/- 0.36) and stayed more time in the central area (19.44 +/- 1.17) compared to the Nuts group (7.14 +/- 0.34; 13.00 +/- 1.57). In the LDB the pulp group entered more (8.00 +/- 0.42 vs Control: 7.16 +/- 0.16 and Nuts: 7.42 +/- 0.75) and stayed longer in the clear light side (92.18 +/- 6.42) than all the other groups (Control: 71.44 +/- 3.53; Nuts: 80.57 +/- 6.50), respectively. Pulp group presented lower MDA in the brain (55.34 +/- 3.04) compared to Control (72.06 +/- 4.66) and Nuts (66.57 +/- 2.45). We conclude that Pequi pulp consumption during pregnancy and lactation reduces lipid peroxidation in brain tissue and induces anxiolytic-like behavior in rat offspring. These effects were not observed in the Pequi nuts group.
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关键词
Fruit,Fatty acids,Oxidative stress,Oleic acid,Anxiety
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