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Acute and Subacute Toxicity Profiles of the Methanol Extract of Lycopersicon esculentum L. Leaves (Tomato), a Botanical with Promising In Vitro Anticancer Potential.


ABSTRACT: Lycopersicon esculentum (tomato) is a plant widely used in Africa like food and to solve many health problems. The methanol crude extract of tomato recently demonstrated a good antiproliferative effect on many human cancer cell lines. The aim of this research was to evaluate the acute toxicity and subacute oral toxicity of methanolic extract from leaves of this plant. These toxicities were evaluated based on the OECD (Organization for Economic Cooperation and Development) guidelines. The assay of acute toxicity was performed using a total of 3 female rats, which received a single dose of 5000?mg/kg of methanolic extract via oral gavage. For the subacute toxicity study, 32 Wistar rats (males and females) were used. The groups were treated with three different doses of Lycopersicon esculentum methanolic extract (250, 500, and 1000?mg/kg b.w.) for 28 days and the control group received distilled water. The hematological, biochemical, and histopathological studies were performed after the sacrifice. Single dose of tomato extract caused no toxicity up to a dose of 5000?mg/kg body weight; hence, the median lethal dose (DL50) of leaves of this plant was greater than this value. However, lower toxic effects could be manifested in the long-term treatment at the highest dose (1000?mg/kg) because urea level and total serum proteins significantly increased at a dose of 1000?mg/kg with respect to control. The microscopic observation showed no remarkable pathological changes on all organs in the treated groups compared with the control groups of female and male rats. These results demonstrate that single dose of tomato extract leaves is relatively nontoxic at a dose of 5000?mg/kg b.w. and prolonged use of lower doses (250 and 500?mg/kg) of L. esculentum orally should be encouraged, whereas highest dose (1000?mg/kg) should be avoided.

SUBMITTER: Nguenang GS 

PROVIDER: S-EPMC7077039 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Acute and Subacute Toxicity Profiles of the Methanol Extract of <i>Lycopersicon esculentum</i> L. Leaves (Tomato), a Botanical with Promising <i>In Vitro</i> Anticancer Potential.

Nguenang Gaëlle S GS   Ntyam Arsène S M ASM   Kuete Victor V  

Evidence-based complementary and alternative medicine : eCAM 20200305


<i>Lycopersicon esculentum</i> (tomato) is a plant widely used in Africa like food and to solve many health problems. The methanol crude extract of tomato recently demonstrated a good antiproliferative effect on many human cancer cell lines. The aim of this research was to evaluate the acute toxicity and subacute oral toxicity of methanolic extract from leaves of this plant. These toxicities were evaluated based on the OECD (Organization for Economic Cooperation and Development) guidelines. The  ...[more]

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