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A polysaccharide, isolated from Centella asiatica, was a complicated arabinogalactan (AG), which contained a little a-(14)-linked GalpA and a-(12)-linked Rhap residues. Based on composition and methylation analyses, partial acid hydrolysis, periodate oxidation, NMR, ESI-MS experiments, it was shown to have a backbone of b-(13)-linked D-Galp residues, with heavily branched side chains. Araf residues were linked to O-3 of (13, 6)-linked Galp residues.
A polysaccharide, isolated from Centella asiatica, was a complicated arabinogalactan (AG), which contains a little a- (14) -linked GalpA and a- (12) -linked Rhap residues. Based on composition and methylation analyzes, partial acid hydrolysis, periodate oxidation, NMR, ESI-MS experiments, it was shown to have a backbone of b- (13) -linked D-Galp residues, with heavy branched side chains. Araf residues were linked to O-3 of (13, 6) -linked Galp residues.