Effect of main components of detergent on oxidative stress in soft corals
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Abstract
Shallow corals are threatened by the increasing detergents in coastal discharges. To investigate the effects of detergent main component linear alkylbenzene sulfonates (LAS) and fatty alcohol polyoxyethylene ether (AEO) on shallow soft corals. Sarcophyton trocheliophorum and Sinularia microclavata were exposed to different concentrations of LAS and AEO environment for 8 hours, and chlorophyll content, and the activity of some key enzymes were determined. The results showed that the chlorophyll a content of corals increased significantly under high concentration of LAS, and the activities of SOD and CAT of the two soft corals increased significantly under different LAS concentrations. The activities of GST and AKP were not significantly affected by LAS environment. Under AEO environment stress, the CAT activity of the two soft corals increased significantly, and the high concentration of AEO environment had a significant effect on the chlorophyll content and GST activity of the two soft corals. This experiment provides data support for the study of the effects of detergents on coral reefs.
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