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Efecto antioxidante y contenido polifenólico de Syringodium filiforme (Cymodoceaceae)

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Author
González García, K.L.
Valdés Iglesias, O.
Laguna, A.
Díaz Martínez, M.
González Lavaut, J.A.
Date
2011

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Alternative Title
Antioxidant effect and polyphenol content of Syringodium filiforme (Cymodoceaceae)
Abstract
The marine phanerogam Syringodium filiforme, known as “manatee grass”, is a common species that grows in coastal areas associated to Thalassia testudinum. With the aim to describe some of its possible chemical characteristics, this study was performed with a sample of 1.2kg, collected in March 2009, in Guanabo beach, Havana, Cuba. The sample was dried (less than 12% humidity) and a total extract prepared; other three extracts were prepared with the use of solvents of increasing polarity. The phytochemical screening and analytical determinations of each fraction were undertaken Total polyphenol content was determined using pyrogallol as reference´s standard; chlorophyll a and b and anthocyanin content were also quantified. Total extract and fractions antioxidant activity were evaluated by using the free radical scavenging activity assay with 1,1-Diphenyl-2-Picrylhydrazyl reactive (knowing as DPPH´s method). The phytochemical screening of the different extracts detected the presence of high concentrations of flavonoids, phenols, terpenes, antocyaninns, reducing sugars and alkaloids. The total extract and methanol fraction showed significant free radical scavenging properties, while the petroleum ether fraction showed moderate activity, and the chloroform fraction and the aqueous soluble precipitate (residual salt) obtained didn’t show antioxidant properties against free radicals. The results of this work confirmed the potentialities of this species for biological purposes
Journal
Rev. Biol. Trop.
Volume
59
Issue/Article Nr
1
URI
http://hdl.handle.net/1834/3910
Collections
1. Articulos científicos

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