ORIGINAL RESEARCH
Chemical Composition in Aqueous Extracts
of Potamogeton malaianus and Potamogeton
maackianus and their Allelopathic Effects
on Microcystis aeruginosa
Hong-Qiang Wang1,2,3, Shui-Ping Cheng1, Sheng-Hua Zhang4, Feng He1, Wei Liang1,
Li-Ping Zhang1, Chen-Yan Hu1,2, Fang-Jie Ge1,2, Zhen-Bin Wu1
1State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology,
Chinese Academy of Sciences, Wuhan, 430072, China
2Graduate University of the Chinese Academy of Sciences, Beijing, 100039, China
3Department of Environmental and Municipal Engineering, Henan University of Construction, Pingingshan, Henan province 467044, PR China
3Research Institute of Engineering and Technology, Yunnan University, Kunming, 650091, China
2Graduate University of the Chinese Academy of Sciences, Beijing, 100039, China
3Department of Environmental and Municipal Engineering, Henan University of Construction, Pingingshan, Henan province 467044, PR China
3Research Institute of Engineering and Technology, Yunnan University, Kunming, 650091, China
Pol. J. Environ. Stud. 2010;19(1):213-218
KEYWORDS
ABSTRACT
The ethyl acetate fractions of aqueous extracts from two submerged macrophytes Potamogeton malaianus
and Potamogeton maackianus were analyzed by gas chromatograph-mass spectrometry (GC-MS). The
allelopathic activities and joint effects of the main components in ethyl acetate fractions on Microcystis aeruginosa
were also determined. The results indicated that primary compositions in the ethyl acetate fractions were
fatty acids, phenolic acids and hydroxy fatty acids that possessed antialgal activities. The joint effect assay for
palmitic acid, benzoic acid and lactic acid showed that the additional effects were observed in the mixed organic
acid, namely, the inhibitory effects of mixture groups were stronger than that of each compound alone on
the growth of M. aeruginosa.
| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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