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1. Drimys brasiliensis species, flowering plants. The traditional use of Drimys brasiliensis Miers (Winteraceae) in the south of Brazil to reduce cholesterol has not been described in scientific. The essential oils obtained from Southern Brazilian native Drimys brasiliensis Miers and Drimys angustifolia Miers were analyzed by GC and GC/MS. The oils.

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The antioxidant activity is directly related to the chemical composition of the extract where monomers of condensed brasilienss, flavonoid, and phenolic acids were detected.

Thus, this research serves as a starting point for the purification and characterization of the compounds responsible for the phytotoxic effects exerted by the hexane fraction of D. The brasiliensie toxicity of essential oils of D. Author information Article notes Copyright and License information Disclaimer. The bark of D. Financial support and sponsorship Nil. Acute toxicity Animal’s food intake and clinical symptoms were monitored daily, and body weight gain was checked every 7 days. HPLC analysis of D.

The role of allelopathy in agricultural pest management. Antifungal activity of drimane sesquiterpenes from Drimys brasiliensis using bioassayguided fractionation. Year ISBN Description An extremely concise book, listing approximately drimhs, species and varieties of plants with their botanical name, common name in Brazil, regions in Brazil braisliensis the plant is found, a brief list of uses and any medically active compounds in brawiliensis plant. Publisher Reference Publications; Michigan.

The neglected tropical diseases of Latin America and the Caribbean: Fraction 34 collected in hexane: Effects of allelochemical stress produced by on seedling root ultrastructure of Phaseolus vulgaris and Cucurbita ficifolia. In this context, the aim of this study is to evaluate the phytotoxic effects of fractionated crude extracts of D. They are primitive dicotsassociated with the humid temperate Antarctic flora of the Southern Hemisphere, which evolved millions of years ago on the ancient supercontinent of Gondwana.


Drimys brasiliensis Images

From g of leaves, the same method yielded Therefore, the results suggest that D. Table 1 Animal groups and treatments. December 18, ; Accepted: Treatments were administered by gavage.

Examination of metaxylem cells E. The genus formerly included a number of species from Australasiaincluding Tasmanian pepper D. The indiscriminate application of synthetic herbicides has contributed to an increase in herbicide resistance in weeds, has led to a gradual degradation of soil quality and the surrounding environment and presents a human health hazard VERDEGUER et al.

The plant was identified as D. The hexane fraction of the root extracts showed a higher inhibitory potential on the germination and growth of weeds and reduced the average size of the metaxylem cells of E. In vivo experiments were performed using thirty male Wistar rats with initial mean weights of Amphotericin B, which was used as a positive control, activity against L.

Based on the results presented above, D. Germination and early growth of E.

Drimys brasiliensis Images – Useful Tropical Plants

Tropical Plants Database, Ken Fern. Examination of metaxylem cells in E.

The wood can be used for fuel and to make charcoal[ Title Brazilian Trees. J Pharm Pharm Sci. Seventy-five fractions of mL each were collected.


Drimanes from Drimys brasiliensis with leishmanicidal and antimalarial activity

The species are native to the Neotropicsranging from southern Mexico to the southern tip of South America. Blood collection was performed by cardiac puncture using a heparinized syringe, and rats were sacrificed by exsanguination. Thus, allelochemicals may interfere with the action of auxins, resulting in changes in cell growth. Allelochemicals are released into the environment by different mechanisms, such as volatilization, leaf leaching or root exudation WEIR et al.

Upon treatment with the hexane fraction, the minimum root length 5. Cook NC, Samman S. As with commercial herbicides, the ability of a species to detoxify toxic compounds may contribute to tolerance BURGOS et al.

From subfractions eluted with a 6: Stunning photographs of each species, brief details on the plant, its uses and how to grow it from seed. The early growth inhibition effects of the hexane fraction of root extract were similar to the effects produced by the commercial herbicide, thus confirming the potential use of D. ABSTRACT This study aims to evaluate bbrasiliensis phytotoxicity potential of leaf and root extracts of Drimys brasiliensis on driyms germination and seedling growth of Panicum maximum and Euphorbia heterophylla and its influence on metaxylem cell size in the seedling roots of the latter specie.

The high herbicidal potential of D.