Fig. 8

a DPPH radical scavenging activity of LG films, b in vitro cytotoxic effect of alkali lignin (A2) and LG-D film against human hepatoma HEP-G2 cell line
a DPPH radical scavenging activity of LG films, b in vitro cytotoxic effect of alkali lignin (A2) and LG-D film against human hepatoma HEP-G2 cell line