文摘
To get an antioxidant-prebiotic dietary fibre, gallic acid was grafted onto inulin. UV spectra show peaks at 214 and 266–268 nm proving an aromatic ring in the graft. FT-IR spectra show a band at 1743 cm−1, settling a covalent bond among inulin and GA. Gallic acid (GA) provides a significant antioxidant capacity to Inulin-GA graft. Gallic acid grafted onto inulin does not interfere with its prebiotic capacity.