RESUMO: Schinus terebinthifolius Raddi: Composição química, propriedades biológicas, e toxicidade. Schinus terebinthifolius Raddi é uma planta medicinal conhecida no Brasil como "aroeira da praia", utilizada na medicina popular como antitérmica, analgésica, depurativa e no tratamento de doenças do sistema urogenital. Por outro lado, a literatura científica relata que essa planta apresenta atividade antimicrobiana, anti-inflamatória, e antiulcerogênica. Essa revisão trata das principais propriedades biológicas e efeitos toxicológicos da aroeira da praia, além de uma abordagem sistemática acerca dos compostos que já foram encontrados nessa espécie, estando a maioria deles presente nos óleos essenciais.Palavras Chave: Schinus terebinthifolius, Anacardiaceae, componentes químicos, propriedades biológicas.
ABSTRACT: Schinus terebinthifoliusRaddi is a medicinal plant known in Brazil as "aroeira da praia", which has been used in popular medicine as antipyretic, analgesic, depurative and in the treatment of diseases of the urogenital system. On the other hand, the scientific literature has reported that this plant has antimicrobial, anti-inflammatory and antiulcerogenic activity. This review addresses the main biological properties and toxicological effects of "aroeira da praia", in addition to a systematic approach of the compounds that were already found in this species, the great majority of which is present in the essential oils.
Ocimum sanctum L. var. cubensis (OS) is a valuable medicinal plant. Some varieties have been reported and some of
them remain almost unstudied. The aim of this study is therefore to evaluate the chemical composition and the in vitro/in
vivo toxicity of the leaves essential oil from O. sanctum, up growing wild in the Eastern region of Cuba. The essential oil
was extracted by in a Clevenger type apparatus and characterized by its chemical components helped by a Gas
Chromatograph coupled to a Mass Spectrometer (GC/MS). For the evaluation of cytotoxicity, primary cultures of
embryonic cardiac cells (ECC) were obtained from Swiss mice and purified, uninfected ECC cultures were exposed to
compound studied at 37 ºC for 24, 48 and 72 h (up to 1200µg/mL). The cell death rates were measured by the PrestoBlue
colorimetric assay. For the studies of Oral Acute Toxicity and Dermal Acute Toxicity, Sprague Dawley rats were used as
biological models, fulfilling the guides 423 and 402 of the Organization for Economic Cooperation and Development and
the Research Ethical Committee. The essential oil from the leaves of O. sanctum L. var. cubensis up growing wild in the
eastern region of Cuba presented 20 compounds defined as the major components: Eugenol (21.96%), β-caryophyllene
(20.79%) and Bicyclogermacrene (20.38%). At the maximum concentration the OS essential oil barely provokes the 5%
of cell death, meaning that this substance does not result toxic for ECC at the concentration evaluated. In vivo studies
also classified OS essential oil as not toxic do not showing any acute or oral toxicity (dose of 2000 mg/kg body weight).
The obtained result indicates that the oil can be considered safe; harmless topically and orally showed no in vitro and in
vivo toxicity studies.
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