caa a22 4500 475783352 CHVBK 20180406123651.0 cr unu---uuuuu 170329e20000201xx s 000 0 eng 10.1023/A:1008103609841 doi (NATIONALLICENCE)springer-10.1023/A:1008103609841 Ichtyotoxic activity of extracts from Mexican marine macroalgae [Elektronische Daten] [Graciela De Lara-Isassi, Sergio Álvarez-Hernández, Ligia Collado-Vides] Seventy-three species of macroalgae from the Mexican Pacific, Atlantic and Caribbean coast were screened for ichtyotoxic activity. Ethanolic, acetonic and aqueous extracts were prepared and tested against the fish Carassius auratus. The extracts were classified on the basis of their effects as: toxic if the fish died in two hours or less; moderately toxic, if the organism behaved abnormally but death did notoccur, and non-toxic if the fish did not display any change. 79% species were ichtyotoxic to some degree. Extracts of 39 species were toxic, with at least one extract with lethal effects, 19 were moderately toxic and 15 species were non-toxic. Only the extracts ofDictyota bartayresiana, Dictyota cervicornis,Lobophora variegata, Bryothamnion triquetrum and Laurencia obtusa were toxic in all three solvents. The acetone and ethanol extracts were more active, and therefore are more suitable for extraction of toxic substances. Kluwer Academic Publishers, 2000 ichtyotoxicity nationallicence macroalgae nationallicence marine algae nationallicence México nationallicence seaweed nationallicence toxic extracts nationallicence toxicity nationallicence De Lara-Isassi Graciela Departamento de Hidrobiología, Laboratorio de Ficología Aplicada., Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-535, 09340, D. F., México aut Álvarez-Hernández Sergio Departamento de Hidrobiología, Laboratorio de Ficología Aplicada., Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-535, 09340, D. F., México aut Collado-Vides Ligia Facultad de Ciencias, Laboratorio de Ficología., Universidad Nacional Autónoma de México, Apartado Postal 70-620, 04510, Coyoacán, D. F., México aut Journal of Applied Phycology Kluwer Academic Publishers 12/1(2000-02-01), 45-52 0921-8971 12:1<45 2000 12 10811 https://doi.org/10.1023/A:1008103609841 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1008103609841 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- De Lara-Isassi Graciela Departamento de Hidrobiología, Laboratorio de Ficología Aplicada., Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-535, 09340, D. F., México aut NATIONALLICENCE 700 1- Álvarez-Hernández Sergio Departamento de Hidrobiología, Laboratorio de Ficología Aplicada., Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-535, 09340, D. F., México aut NATIONALLICENCE 700 1- Collado-Vides Ligia Facultad de Ciencias, Laboratorio de Ficología., Universidad Nacional Autónoma de México, Apartado Postal 70-620, 04510, Coyoacán, D. F., México aut NATIONALLICENCE 773 0- Journal of Applied Phycology Kluwer Academic Publishers 12/1(2000-02-01), 45-52 0921-8971 12:1<45 2000 12 10811 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer