Research Article

Antiviral and Antioxidant Activities of Sulfated Galactomannans from Plants of Caatinga Biome

Figure 1

FT-IR of sulfated galactomannans from (a) Adenanthera pavonina, (b) Dimorphandra gardneriana, and (c) Caesalpinia ferrea. The absorption bands at 1259 cm−1 correspond to stretching vibrations of the S=O bond.