Fig. 3From: Development and efficacy assessment of hand sanitizers and polylactic acid films incorporating caffeic acid and vanillin for enhanced antiviral properties against HCoV-229ECytotoxicity of MRC-5 in various concentration by caffeic acid (A) and vanillin (B) The short dash line informs the 80% of cell viability in each caffeic acid and vanillin concentrationBack to article page