Why does my DPPH assay with Trolox plateau below 50% inhibition, even at higher concentrations?

I’m performing a DPPH radical scavenging assay using Trolox as a standard antioxidant, but my inhibition curve plateaus just below 50%, even at higher Trolox concentrations. I’ve run the assay in...

20 February 2025 4,106 3 View