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Composition and Anti-Cyanobacterial Activity of Essential Oils from Six Different Submerged Macrophytes
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Composition and Anti-Cyanobacterial Activity of Essential Oils from Six Different Submerged Macrophytes
Hongqiang Wang1,2, Feng Liang1, Lieyu Zhang3
1School of Municipal and Environmental Engineering, Henan University of Urban Construction,
Pingdingshan, Henan province 467036, PR China
2State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology,
Chinese Academy of Sciences, Wuhan, Hubei Province 430072, PR China
3Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China
Final revision date: 2014-05-13
Pol. J. Environ. Stud. 2015;24(1):333–338
Eutrophication of water due to pollution is one of the most serious environmental problems. The occurrence of toxic cyanobacterial blooms in eutrophic lakes, reservoirs, and recreational waters has become a worldwide problem. The inhibitory allelopathy of plants on harmful algae, which has drawn extensive attention recently, is low-cost and ecologically safe, and some good results have been reported. In this study, volatile organic compounds as major allelochemicals have been isolated from some aquatic plants and identified. The chemical compositions of essential oil isolated from Potamogeton cristatus, Potamogeton maackianus, Potamogeton lucens, Vallisneria spinulosa, Ceratophyllum demersum, and Hydrilla verticillata were analyzed by GC/MS. Thirty components were identified in the oils, mainly including fatty acids, ester, sterol, and ketone, etc. Inhibitory effects of essential oils on Microcystis aeruginosa were also investigated. The inhibition ratio of essential oils on M. aeruginosa was 30.2-41.7% when the treatment concentration of extracts was at a level of 50.0 mg/L. Hence, the essential oils isolated exhibited a significant anti-cyanobacterial activity.
Experimental Study on Removal of Iron, Manganese and Copper from Water by Microalgae
Effects of Different Conditions on the Growth of Microcystis aeruginosa
The Effects of Physical Filtration on the Control of Microcystis aeruginosa at Various Growth Stages
Physiological Responses of Microcystis aeruginosa to Extracellular Degradative Enzymes and Algicidal Substance from Heterotrophic Bacteria
Adsorption and Desorption Behaviors of Hg2+ by Microcystis aeruginosa
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