Journal
BRAZILIAN JOURNAL OF PHARMACEUTICAL SCIENCES
Volume 56, Issue -, Pages -Publisher
UNIV SAO PAULO, CONJUNTO QUIMICAS
DOI: 10.1590/s2175-97902019000318402
Keywords
Essential oil; Phytotoxic; Antioxidant; Antibacterial; Hemolysis; Anemia salina
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
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Myrcia hatschbachii D. Legrand (Myrtaceae) is a native and endemic species from Brazil. This study investigated the essential oil composition, phytotoxic potential, in vitro toxicity, antioxidant properties and antibacterial activity of species. Chromatographic analysis of essential oil identified trans-calamanene, (E)-caryophyllene and spathulenol as major components. Antioxidant capacity was determined by the DPPH. scavenging method and phosphomolybdenum complex formation assay. Antibacterial activity was evaluated using the Minimal Inhibitory Concentration test, demonstrating that the essential oil was active toward Enterococcusfaecalis and Staphylococcus aureus. Phytotoxic activity of essential oil was analyzed by testing interference on germination and growth of Lactuca saliva, demonstrating significant inhibition of the hypocotyls and radicles of seeds. Preliminary toxicity studies were determined using Anemia salina, resulting in an LC50 of 409.92 mu g/mL, and through hemolytic activity. The results of the phytotoxic activity point to a possible application for At , tria hatschbachii in the development of natural herbicides and the in vitro toxicity assays suggests the performance of antitumoral activity tests, having in mind the prospection of antineoplastic drugs.
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