Original Articles
Vol. 90 No. 1 (2017)
https://doi.org/10.4081/jbr.2017.6578

Interspecific variation in total phenolic content in temperate brown algae

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Received: 17 January 2017
Published: 22 September 2017
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External and internal factors, Mediterranean Sea, Phaeophyceae, Secondary metabolites, Total phenolic content

Authors

Anna Maria Mannino
annamaria.mannino@unipa.it
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo, Italy.
Valentina Vaglica
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo, Italy.
Elisabetta Oddo
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo, Italy.
Marine algae synthesize secondary metabolites such as polyphenols that function as defense and protection mechanisms. Among brown algae, Fucales and Dictyotales (Phaeophyceae) contain the highest levels of phenolic compounds, mainly phlorotannins, that play multiple roles. Four temperate brown algae (Cystoseira amentacea, Cystoseira compressa, Dictyopteris polypodioides and Padina pavonica) were studied for total phenolic contents. Total phenolic content was determined colorimetrically with the Folin-Ciocalteu reagent. Significant differences in total phenolic content were observed between leathery and sheetlike algae and also within each morphological group. Among the four species, the sheet-like alga D. polypodioides, living in the upper infralittoral zone, showed the highest concentration of phenolic compounds. These results are in agreement with the hypothesis that total phenolic content in temperate brown algae is influenced by a combination of several factors, such as growth form, depth, and exposition to solar radiation.

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Anna Maria Mannino, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology
Valentina Vaglica, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology
Elisabetta Oddo, Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology, University of Palermo
Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Section of Botany and Plant Ecology

How to Cite



Interspecific variation in total phenolic content in temperate brown algae. (2017). Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale, 90(1). https://doi.org/10.4081/jbr.2017.6578

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