Research Article

Extraction, Characterization, and Molecular Weight Determination of Senna tora (L.) Seed Polysaccharide

Table 3

Interpretation of FTIR data of polysaccharide.

Wave length Peak assignments

813 and 875 cm−1Anomeric configurations (α and β conformers) and glycosidic linkages
1198 and 983 cm−1Stretching vibration of C–O in C–O–H bonds
1149 cm−1Bending vibrational modes of C–O, present in the pyranose ring
1134 and 983 cm−1C–OH bending
2800–3000 cm−1C–H stretching
3100–3500 cm−1O–H stretching vibration