Oxidative Medicine and Cellular Longevity / 2018 / Article / Tab 2

Research Article

Structural Characterization and Repair Mechanism of Gracilaria lemaneiformis Sulfated Polysaccharides of Different Molecular Weights on Damaged Renal Epithelial Cells

Table 2

FT-IR characteristic absorption peaks of GLP.

SampleMolecular weight (kDa)Content of −OSO3H (%)Content of −COOH (%)Characteristic absorption peak (cm−1)
−OH−COOH−OSO3Sugar ring

GLP0622 ± 3513.071.26343216431380, 12572928, 1048
GLP249.6 ± 4.813.411.28342116041380, 12632928, 1053
GLP310.5 ± 3.913.461.30340816041380, 12582920, 1043
GLP72.42 ± 0.1613.561.77340916091380, 12682920, 1043

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