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Revista Brasileira de Farmacognosia

Print version ISSN 0102-695XOn-line version ISSN 1981-528X

Abstract

LHULLIER, Cintia; HORTA, Paulo Antunes  and  FALKENBERG, Miriam. Evaluation of macroalgae from Santa Catarina’s coast with the brine shrimp assay. Rev. bras. farmacogn. [online]. 2006, vol.16, n.2, pp.158-163. ISSN 0102-695X.  http://dx.doi.org/10.1590/S0102-695X2006000200005.

Samples of 19 macroalgae species (4 Chlorophyta, 5 Phaeophyta and 10 Rhodophyta) have been collected from two points of Santa Catarina's coast. The ethanolic extracts were avaluated with the brine shrimp assay in order to perform a screening for potential toxicity. A total of 25 extracts presented significant results in one or more of the tested concentrations. The phylum Rhodophyta presented more statistically significant results with the chi-square test, as well as lower values of LC50. The extracts of Acanthophora spicifera (from Canasvieiras and Ilha do Francês), Hypnea musciformis and Pterocladiella capillacea (both from Ilha do Francês) presented LC50 below 50 mg/mL. Differences between the species of same genus (Codium decorticatum and Codium isthmocladium) and the influence of environmental factors (Hypnea musciformis) were observed.

Keywords : Artemia salina; macroalgae; brine shrimp assay; Santa Catarina's coast.

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