期刊名称：Advances in Environmental Sciences - International Journal of the Bioflux Society
印刷版ISSN：2066-7620
电子版ISSN：2065-7647
出版年度：2015
卷号：7
期号：3
页码：468-474
出版社：Bioflux
摘要：This study aims primarily to describe the effect of Origanum vulgare leaf extract on the early developmental stages of Artemia salina. Four different concentrations of the leaf crude extract: 25 μ L , 100 μL , 500 μL , an d 1000 μL were prepared. A. salina larvae were exposed to different extract concentration at increasing exposure time (12 hours, 24 hours, 48 hours, and 96 hours). The results showed that exposure to high crude extract concentration (100 μL , 500 μL and 100 0 μL ) inhibited the normal development of A. salina . Degeneration of the second antennae ( which is responsible for the filtrations of the ingested foods) was apparent after 48 - hour exposure to 500 μL concentration. 100% mortality rate was observed at 1000 μL concentration, both on its 48 t h hours and 24 t h hours of exp osure. These results suggest that increasing the time of exposure to high concentration of the extract would increase the rate of both morphological defects and mortality
