ABSTRACT. Acrocomia aculeata is a plant rich in antioxidant compounds. Studies suggest that this plant has anti-inflammatory, antidiabetic, and diuretic potential. We assessed the antigenotoxic, antimutagenic, immunomodulation, and apoptotic potentials of A. aculeata alone and in combination with an antitumor agent, cyclophosphamide. Swiss male mice (N = 140) were used. The animals were divided into 14 experimental groups as follows: a negative group, a positive group (100 mg/kg cyclophosphamide), groups that only received the oil extracted from the almond (AO) and from the pulp (PO) of A. aculeata at doses of 3, 15, and 30 mg/kg, and the associated treatment groups (oils combined with cyclophosphamide) involving pretreatment, simultaneous, and post-treatment protocols. Data suggest that both oils were chemopreventive at all doses, based on the tested protocols. The highest damage reduction percentages, observed for AO and PO were 88.19 and 90.03%, respectively, for the comet assay and 69.73 and 70.93%, respectively, for the micronucleus assay. Both AO and PO demonstrated immunomodulatory activity. The oils reduced the capacity of cyclophosphamide to trigger apoptosis in the liver, spleen, and kidney cells. These results suggest that A. aculeate AO and PO can be classified as a functional food and also enrich other functional foods and nutraceuticals with chemopreventive features. However, they are not appropriate sources for chemotherapeutic adjuvants, in particular for those used in combination with cyclophosphamide.
ABSTRACT. Acrocomia aculeata (Jacq.) Lodd. ex Mart. is a plant species commonly used as a foodstuff and also for treating diseases, since it contains high concentrations of antioxidant compounds and monounsaturated fatty acids. Considering its ethnopharmacological relevance, the aim of the present study was to assess the cytotoxic, genotoxic, and mutagenic effects of an oil extracted from the pulp of A. aculeata (OPAC) in rats. In addition, a chromatographic characterization of the fatty acids present in OPAC was performed. Male and female Wistar rats were treated orally with 125, 250, 500, 1000, or 2000 mg/ kg/body weight OPAC. The effects of OPAC ingestion were determined by performing the comet assay and micronucleus test. The comet assay data demonstrated that OPAC did not increase the frequency or rate of DNA damage in groups treated with any of the concentrations assessed compared to that in the negative control group. In the micronucleus test, the animals treated did not exhibit any cytotoxic or mutagenic changes in peripheral blood erythrocytes. The results demonstrated that OPAC did not exhibit cytotoxic, genotoxic, or mutagenic effects in Wistar rats, thereby increasing the evidence for the safety of oil extracted from this plant.
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