Growth inhibition to three red tide microalgae by extracts of Ulva pertusa

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Growth inhibition to three red tide microalgae by extracts of Ulva pertusa

机译：百日草提取物对三种赤潮微藻的生长抑制

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Growth inhibition effect of different concentration of distilled water extract and four polar organic solvent (methanol, acetone, ether and chloroform) extracts of Ulva pertusa on three typical red tide microalgae (Heterosigma akashiwo, Alexandrium tamarense and Prorocentrum micans) were investigated. Liquid-liquid fractionation and HPLC analysis for methanol extract of U. pertusa were carried out.Growth of the three microalgae was significantly inhibited by the distilled water extract of U. pertusa at relatively higher concentration. However, the cells of the three microalgae did not die completely even at high concentration. Methanol extract of U. pertusa showed the highest growth inhibition on the three microalgae, and all the cells of the three microalgae were killed at relatively high concentration. The other three organic solvent extracts of U. pertusa had no apparent effect on the three microalgae. The results of bioassays and HPLC analysis suggested that the inhibitory substances in U. pertusa to the microalgal growth had relatively high polarities. H. akashiwo was the most sensitive one while A. tamarense was the most tolerant one to the growth inhibitory substances.

机译：研究了不同浓度的蒸馏水提取物和百日草四种极性有机溶剂（甲醇，丙酮，乙醚和氯仿）提取物对三种典型的赤潮微藻（Heterosigma akashiwo，Alexanderium tamarense和Prorocentrum micans）的生长抑制作用。进行了百日草甲醇提取物的液-液分离和HPLC分析。相对较高浓度的百日草蒸馏水提取物显着抑制了三种微藻的生长。但是，即使在高浓度下，这三种微藻的细胞也不会完全死亡。百日草的甲醇提取物对这三种微藻显示出最高的生长抑制作用，并且以相对较高的浓度杀死了这三种微藻的所有细胞。百日草的其他三种有机溶剂提取物对这三种微藻没有明显作用。生物测定和HPLC分析的结果表明，百日草中的抑制物质对微藻的生长具有较高的极性。 akashiwo菌是最敏感的一种，而tamarense菌是对生长抑制物质最耐受的一种。

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《中国海洋湖沼学报（英文版）》 |2006年第2期|147-153|共7页
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作者单位

Mariculture Laboratory, College of Fisheries, Ocean University of China, Qingdao 266003, China;

Mariculture Laboratory, College of Fisheries, Ocean University of China, Qingdao 266003, China;

Institute of Marine Drug and Food, Ocean University of China, Qingdao 266003, China;

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收录信息中国科学引文数据库(CSCD);
原文格式 PDF
正文语种 chi
中图分类海洋学;
关键词
growth inhibition; extracts; Ulva pertusa; Heterosigma akashiwo; Alexandrium tamarense; Prorocentrum micans;

机译：生长抑制;提取物;百日草;赤赤芥;Alex柳;云母原核;

Growth inhibition to three red tide microalgae by extracts of Ulva pertusa

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