Research Article

Partial Chemical Characterization of Immunomodulatory Polysaccharides from Plantago palmata Hook. f. s. Leaves

Table 3

Products of the PS extracted from Plantago palmata (% mole) after reduction, methylation, hydrolysis, and acetylation, followed by GC-MS.


PS50 from
Fraction 2 from
MonosaccharideLinkagePlantago palmataPlantago palmata
(%)PS50a

Terminal7.3x
1, 21.3x
Ara f 1, 31.3x
1, 50.6x

Total10.5

Fuc p Terminal 3.4

Terminal3.8x
1, 32.1x
Gal1, 65.0x
1, 3, 613.8x

Total24.7

Terminal1.4x
Glc1, 46.3x

Total7.7

Terminal1.5
1, 21.0
Rha p 1, 30.4x
1, 2, 41.1

Total4.0

Terminal0.5x
Xyl p 1, 41.4

Total1.9

Terminal0.8x
1, 438.7xx
GalA1, 3, 40.5
1, 2, 40.4

Total40.4

GlcATerminal 1.9x

a% linkage not quantifiable due to the minute amount of PS analyzed; the x indicates that the linkage was effectively detected.