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KMID : 1161420190220010097
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Journal of Medicinal Food
2019 Volume.22 No. 1 p.97 ~ p.101
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Evaluation of Reproductive Toxicology of Aqueous Extract of Yerba Mate (Ilex paraguariensis A. St.-Hil.), a Traditional South American Beverage
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de Sousa Washington Rogerio
Lourenco Bruno Henrique Lopes Botelho
de Paula Reis Michelle
Donadel Guilherme
Marques Marcia Alessandra Arantes
Cardozo Euclides Lara Junior
Jacomassi Ezilda
Belettini Salviano Tramontin
dos Reis Livero Francislaine Aparecida
Gasparotto Arquimedes Junior
Lourenco Emerson Luiz Botelho
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Abstract
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Yerba mate (Ilex paraguariensis A. St.-Hil.; Aquifoliaceae) is a popular tonic and stimulant beverage that is widely consumed in different South American countries. Estimates indicate the consumption of >1?L per day in southern Brazil and Uruguay. Despite its relatively high consumption, data on reproductive toxicity during critical periods of gestation remain unclear. Thus, we evaluated the effects of an aqueous extract of I. paraguariensis leaves (“chimarrao” [IPC]) at two critical periods of gestation in Wistar rats: preimplantation embryonic stage and fetal organogenesis. Pregnant Wistar rats were orally treated with IPC (3, 30, and 300?mg/kg) from days 1 to 7 or 8 to 21 of pregnancy. The respective control groups received vehicle. During treatment, clinical signs of maternal toxicity, maternal body weight, and food and water intake were monitored. The rats were killed on days 8 and 20 of pregnancy, and the following parameters were evaluated: weight of the maternal uterus, weight of the liver, weight of the kidneys, weight of the spleen, total embryo implantation, preimplantation loss, the mean of live fetuses, the percentage of dead fetuses, fetus weight, and fetal malformation. The aqueous extract of the leaves of I. paraguariensis L. did not present any deleterious effects on preimplantation embryos or the organogenesis of offspring from female Wistar rats. These safety data provide evidence that IPC may be safe for consumption during gestation.
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KEYWORD
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Aquifoliaceae, embryo implantation, safety, teratology
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