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Green alga Ulva pertusa—a new source of bioactive compounds with antialgal activity

by Ying-ying, Sun , Bin-lun, Yan , Yin-fang, Pu , Chang-hai, Wang , Hui, Wang , Gan-lin, Guo

in Alexandrium / Alexandrium tamarense / Algae / algal blooms / alkaloids / Allelopathy / Aquatic plants / Aquatic Pollution / Bioactive compounds / bioactive properties / Biological Products - toxicity / Coasts / colorimetry / Diatoms / Dinoflagellida / Disinfectants - toxicity / Earth and Environmental Science / Ecotoxicology / Environment / Environmental Chemistry / Environmental Health / Environmental science / Eutrophication / Harmful Algal Bloom / Heterosigma akashiwo / Karenia / Laboratories / liquid-liquid extraction / methanol / Microalgae / phenolic acids / Phenols / Prorocentrum / Prorocentrum donghaiense / Raw materials / Red tides / Research Article / Seawater / Silica / silica gel / Skeletonema costatum / Solvents / Studies / thin layer chromatography / Ulva / Ulva - chemistry / Ulva pertusa / Waste Water Technology / Water Management / Water Pollution Control / Water quality

2015

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Green alga Ulva pertusa—a new source of bioactive compounds with antialgal activity

by Ying-ying, Sun , Bin-lun, Yan , Yin-fang, Pu , Chang-hai, Wang , Hui, Wang , Gan-lin, Guo

2015

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Green alga Ulva pertusa—a new source of bioactive compounds with antialgal activity

by Ying-ying, Sun , Bin-lun, Yan , Yin-fang, Pu , Chang-hai, Wang , Hui, Wang , Gan-lin, Guo

2015

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Journal Article

Green alga Ulva pertusa—a new source of bioactive compounds with antialgal activity

Ying-ying, Sun,

Bin-lun, Yan,

Yin-fang, Pu,

Chang-hai, Wang,

Hui, Wang,

Gan-lin, Guo

2015

Overview

We tested the effects of solvent fractions (F A , F B , F C , and F D ), which partitioned by liquid-liquid extraction from the methanol extract of Ulva pertusa , on the growth of red tide microalgae ( Karenia mikimitoi , Skeletonema costatum , Alexandrium tamarense, Heterosigma akashiwo , Prorocentrum donghaiense ), and F A , F B , and F C exhibited significantly antialgal activity. The chemical constituent analysis showed the existence of bioactive compounds such as phenols and alkaloids. Further, four solvent fractions were applied to silica gel column and repeated preparative TLC to produce 13 samples and their purity qualified as thin-layer chromatographic grade. Among these purified samples, F A111 , F B411, F C411 , F D111 , and F D211 exhibited stronger antialgal activity. Furthermore, their functional groups were analyzed by colorimetric methods and UV spectra data. F D111 and F D211 were temptatively identified as alkaloids; the others were initially identified as phenolic acids. This is a preliminary study and the structure identification of these purified samples requires further investigation. While concentration of these purified samples in this algae was very small, they showed excellent effects against red tide microalgae.

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Publisher

Springer Berlin Heidelberg,Springer Nature B.V

Subject

Alexandrium

/ Alexandrium tamarense

/ Algae