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Research Articles

Acute and subacute (28 days) oral toxicity studies of tucum almond oil (Bactris Setosa Mart.) in mice

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Pages 1754-1760 | Received 31 Jul 2020, Accepted 19 Dec 2020, Published online: 13 Jan 2021
 

Abstract

Oils extracted from almonds are often used with particular interest due to their prospective health effects and benefits. Tucum is a Pantanal fruit widely consumed by local population and no in vivo toxicity studies regarding its safety are available in the literature to date. This study investigated the acute and subacute toxicity of tucum almond oil (TAO) in mice by evaluating its safety profile. For the acute (2000 mg/kg) and subacute (250, 500 and 1000 mg/kg) toxicity studies, TAO was administered orally to mice according to 425 and 407 Organization for Economic Cooperation and Development Guidelines, respectively. Food intake, body, and organ weight of animals were recorded. Signs of toxicity were assessed, and hematological, biochemical and histopathological analyses were performed. In the acute toxicity study, no mortality or behavioral changes were observed in mice treated with 2000 mg/kg, indicating that LD50 is higher than this dose. In the subacute toxicity test, the doses evaluated did not produce relevant changes in hematological, biochemical or histopathological parameters in the exposed animals. The data obtained suggest that TAO did not induce toxicity after exposure to a single or repeated doses and LD50 value may be considered to be more than 2000 mg/kg body weight.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul (039/2018) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (001).

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