https://pmc.ncbi.nlm.nih.gov/articles/PMC5598318/
Antioxidant and antimutagenic activity of Curcuma caesia Roxb. rhizome extracts - PMC
DPPH forms purple color when dissolved in solution and its color is altered to slightly yellowish color with the intervention of rhizome extracts of Curcuma...
curcuma caesiaantioxidantantimutagenicactivity