In vitro analysis of quercetin-like compounds from mistletoe Dendrophtho e pentandra (L.) Miq as a potential antiviral agent for Newcastle disease.

antiviral bioactivity against NDV at a virulence titter of 10-5 Tissue Culture Infectious Dose 50% (TCID50) in chicken kidney cell culture. QLCs may have the potential to be developed as medicinal compounds for the treatment of other human or animal viral infections.