Journal
JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY
Volume 56, Issue 1, Pages 117-121Publisher
KOREAN SOC APPLIED BIOLOGICAL CHEMISTRY
DOI: 10.1007/s13765-012-2267-2
Keywords
Brasenia schreberi; cyanobacterium; Microcystis aeruginosa; tellimoside
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Funding
- Rural Development Administration, Republic of Korea [20110701-305-656-001-02-00]
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Principal components of aquatic plants responsible for inhibiting the growth of Microcystis aeruginosa, a blue-green alga (cyanobacterium) were determined. Methanol extracts of Brasenia schreberi showed strong inhibitory activity against the growth of the cyanobacterium. Two purified flavonoids were afforded through repeated column chromatographies. The compounds were determined as quercetin (1) and quercetin 3-O-(6 ''-galloyl)-beta-D-glucopyranoside, tellimoside (2) by the interpretation of spectroscopic data including NMR, MS, and IR. Compounds 1 and 2 were first isolated from Brasenia schreberi. In addition, compound 2 showed very strong inhibitory activity against the growth of M. aeruginosa.
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