How to dissolve Luteolin, Apigenin, Rutin Hydrate, Morin Hydrate, Kaempferol and Ellagic Acid in DMSO so that the final concentration of DMSO comes down to 0.2% at 500uM concentration of the solute?
one possibility is to prepare a partially miscible ternary system. The choice of the third component depends on what you want to split and how you plan to use.