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Antioxidant activity of water-soluble polysaccharide extracted from Eucalyptus cultivated in Lebanon
Asian Pacific Journal of Tropical Biomedicine ; (12): 157-160, 2017.
Artigo em Chinês | WPRIM | ID: wpr-511476
ABSTRACT

Objective:

To extract and identify the chemical composition of the polysaccharide isolated from the Eucalyptus cultivated in Lebanon and to evaluate its antioxidant activity. Materials The water-soluble polysaccharide was isolated from Eucalyptus leaves, and its structure was identified by Fourier transform infrared spectroscopy, proton nuclear magnetic resonance, and carbon-13 nuclear magnetic resonance. The antioxidant activity of the active ingredient was screened for its radical scavenging ability using 2,2-diphenyl-1-picryl-hydrazyl radical (DPPH) test.

Results:

The results of the DPPH test have shown that fucoidan, the polysaccharide isolated from Eucalyptus, exhibited almost the same antioxidant activity against DPPH$as the ascorbic acid did at 100 mg/mL.

Conclusions:

This natural molecule extracted from a medicinal plant has a promising antioxidant activity and could be used in pharmaceutical and medical applications.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Asian Pacific Journal of Tropical Biomedicine Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Asian Pacific Journal of Tropical Biomedicine Ano de publicação: 2017 Tipo de documento: Artigo