Optimized extraction of polyphenolic antioxidants from the leaves of Himalayan Oak species
Fig 2
Pareto chart showing responses of the dependent variables to extraction conditions under Plackett-Burman design (PBD).
A = Extraction temperature (°C), B = Extraction time (min), C = Solvent concentration (%), D = pH, E = Sample-to-solvent ratio (w/v), TP = Total polyphenolic content.