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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Drimane sesquiterpenes[ 23 ] were isolated from the aerial parts of D. Action of polygodial on agonist-induced contractions drjmys the rat portal vein in vitro. Antiplasmodial and cytotoxic activities of drimane sequiterpenes from Canella winterana. The plant was identified as D.

The intense search for new ways of treating these neglected diseases has motivated scientific research in this field. Weeds with large seeds tend brasiliensiz be less sensitive to allelochemicals such as sorgoleone because these plants can minimize the phytotoxic effects by decreasing its absorption of the allelochemical, by translocation or by increasing the metabolic degradation rate of the phytotoxins DAYAN, The extract was prepared at a concentration of Only seedlings with roots of 2 mm in length were selected and transferred to transparent plastic boxes 13 x 8 x 3 cm containing filter paper moistened with 5 mL of the negative control solution, leaf or root fractions, or herbicide.

RESULTS In the search for new potential antiparasitic agents, the chloroform and methanol extracts of the stem bark, branches and leaves and the isolated compounds from the stem bark of D. How to cite this article. The genus formerly included a number of species from Australasiaincluding Tasmanian pepper D.


Phytotoxic potential of Drimys brasiliensis miers for use in weed control

The extracts obtained from the different parts the stem bark, branches and leaves of D. Propagation Basiliensis – best sown as soon as it is ripe in a partially shaded position in a nursery seedbed. Year ISBN Description An extremely concise book, listing approximately 1, species and varieties of plants with their botanical name, common name in Brazil, regions in Brazil where the plant is found, a brief list of uses and any medically active compounds in the plant.

In vivo assay To determine the doses of D.

Bioassays were conducted in Petri dishes 9 cm in diameter containing two sheets of filter paper moistened with 5 mL of either the sample fractions or the negative control solution.

Published online Jul Its interference with agricultural productivity drimyw primarily due to its highly aggressive growth patterns, its intense production capacity and the longevity of its seeds COSTA et al. As can be seen from the data in Table I, spathulenol did not contribute to the activity of this extract. Biological assessment antiviral and antioxidant and acute toxicity of essential oils from Drimys angustifolia and D. Anti-hiperalgesic properties of the extract and the main sesquiterpene polygodial isolated from the barks Drimys winteri.

The traditional use of Drimys brasiliensis Miers Winteraceae in the south of Brazil to reduce cholesterol has not been described in scientific literature. Thus, species of Drimys are promising in the search for phytochemicals capable of acting as natural herbicides. Brasiiliensis growth of P.

Drimys brasiliensis

Control of the leishmaniases. Other studies have related the presence of phenolic compounds to an improvement in the plasma antioxidant capacity. After seven days, the shoot and primary root lengths of the seedlings were measured with a caliper.


Clinically, two rats of GDbP brasileinsis epistaxis, difficulty breathing, and diarrhea.

The effective concentrations of plant extracts on weed control were previously reported to range from 0. Services driimys Demand Journal. The bark of Brasilisnsis. However, Drimys winteri is not native to Brazil the range given in the books. Seedling morphology was altered upon treatment with the hexane fraction, displaying a linear reduction of Acute toxicity Animal’s food intake and clinical symptoms were monitored daily, and body weight gain was checked every 7 days.

A lack of normality or homogeneity or both required the use of a nonparametric Kruskal-Wallis test to obtain pairwise comparisons at a significance level of 0. J Pharm Pharm Sci 8: It is possible to compare these results with those reported in the literature for various plant extracts.

Thus, this study aimed to determine the hypocholesterolemic potential of D. Cytotoxic and neurotoxic activities in extracts of marine sponges Porifera from southeastern Brazilian coast. Despite the results observed in the germination bioassay, the root extract fractions exerted strong phytotoxic effects on the morphology and growth of E.

Received Jun 26; Revised Jul The pattern of distribution of data was analyzed by Kolmogorov—Smirnov test. The chloroform extracts of the stem bark, branches and leaves were subjected to column chromatography. The leaves and roots of D.