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- Title
Inhibitory effects of Spartina anglica on Heterosigma akashiwo and Prorocenrum micans and the isolation and identification of the algicidal compounds.
- Authors
Xu, N. J.; Tang, J.; Zhang, Z. W.; Yan, X. Y.
- Abstract
Taking Heterosigma akashiwo and Prorocenrum micans as test materials, the algicidal activity of Spartina anglica against the growth of the two harmful microalgae were investigated, with the algicidal compounds isolated and identified. Lower concentration S. anglica stimulated the growth of H. akashiwo, while high concentration S. anglica inhibited the H. akashiwo growth significantly. The lethal concentration of S. anglica fresh tissue, dry powder, and extracts to H. akashiwo was 4.8 mg · ml1, 0.8 mg · ml1, and 0.5 mg · ml1, respectively. All test concentration S. anglica had obvious inhibitory effects on the growth of P. micans, and the lethal concentration of S. anglica fresh material, dry powder, and extracts was 9.6 mg · ml1, 1.6 mg · ml1, and 1.25 mg · ml1, respectively. Two algicidal compounds in S. anglica were isolated, and identified as isohamnetin-3-O-sophoroside-7-O-rhamnoside and syringetin-3-O-galactoside.
- Subjects
MARINE algae; SPARTINA anglica; MICROALGAE; EXTRACTS; INORGANIC compounds; MARINE phytoplankton; AQUATIC ecology; APPLIED ecology
- Publication
Yingyong Shengtai Xuebao, 2009, Vol 20, Issue 10, p2563
- ISSN
1001-9332
- Publication type
Article