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Characterization and bioactivities of a novel polysaccharide obtained from Gracilariopsis lemaneiformis Anais da ABC (AABC)
SHI,CHEN-SHAN; SANG,YA-XIN; SUN,GUI-QING; LI,TIAN-YE; GONG,ZHENG-SI; WANG,XIANG-HONG.
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. Structural analysis showed that GCP shows triple helical chain conformation when dissolved in water and has many branches and long side chains. Also, 1→3 linkage is the major linkage and the sugar structures are galactopyranose configurations linked by β-type glycosidic linkages. Two macromolecular substance fractions (GCP-1 and GCP-2) were purified by DEAE Sepharose Fast Flow column chromatography. Moreover, a splenocyte damage assay and splenocyte...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioactivities; Gracilariopsis lemaneiformis; Polysaccharide; Structural characterization..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000100175
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