Results: 5

Fatty acid composition from the marine red algae Pterocladiella capillacea (S. G. Gmelin) Santelices & Hommersand 1997 and Osmundaria obtusiloba (C. Agardh) R. E. Norris 1991 and its antioxidant activity

An. acad. bras. ciênc; 90 (1), 2018
ABSTRACT This study evaluated the chemical composition and antioxidant activity of fatty acids from the marine red algae Pterocladiella capillacea (S. G. Gmelin) Santelices & Hommersand 1997 and Osmundaria obtusiloba (C. Agardh) R. E. Norris 1991. The gas chromatography mass spectrometry (GC-MS) iden...

Characterization and bioactivities of a novel polysaccharide obtained from Gracilariopsis lemaneiformis

An. acad. bras. ciênc; 89 (1), 2017
ABSTRACT Gracilariopsis lemaneiformis is a type of red alga that contains seaweed polysaccharide agar. In this study, a novel non-agar seaweed polysaccharide fraction named GCP (short of crude polysaccharide obtained from Gracilariopsis lemaneiformis) was isolated from Gracilariopsis lemaneiformis. Struc...

Actividad antiviral de un extracto acuoso del alga roja Laurencia obtusa frente a virus influenza A y B
Antiviral activity of an aqueous extract from the red alga Laurencia obtusa against influenza A and B viruses

Rev. cuba. med. trop; 66 (2), 2014
(au)INTRODUCCIÓN: la terapia antiviral frente a las infecciones provocadas por virus influenza se basa en empleo de inhibidores de las proteínas M2 y neuraminidasa (NA). Sin embargo, la emergencia de cepas estacionales resistentes a ambos grupos de fármacos motiva la búsqueda de nuevos fármacos anti...

Novel antimicrobial activity of a dichloromethane extract obtained from red seaweed Ceramium rubrum (Hudson) (Rhodophyta: Florideophyceae) against Yersinia ruckeri and Saprolegnia parasitica, agents that cause diseases in salmonids

Electron. j. biotechnol; 17 (3), 2014
Background Enteric red mouth disease and Saprolegniasis, which are caused by the bacteria Yersinia ruckeri and the oomycete Saprolegnia parasitica, respectively, are important illnesses that affect salmonid farming. Sanitary problems in farms are addressed by the prevention of disease outbreaks or by the...

Aislamiento y elucidación estructural de polisacáridos del alga gigartina glomerata howe, fases esporofítica y gametofítica

Los carragenanos son galactanos sulfatados que se encuentran en diversos géneros de las algas rojas, como son chondrus, gigartina, euchema e hypneo entre otros del género gigartina se han registrado cuatro especies en nuestro litoral. Las muestras biológicas utilizadas fueron las fases esporofítica y...