I have dmso ,curcumin,water,kollidon 17 PF and alcohol.

I am trying to make a stable solution but when I put them in a larger quantity of normal saline 0.9% it precipitates.

I have tried 50 mg of pure curcumin with a 1:1 - 1:10 ratio with Kollidon 17 pf, added DMSO 1 to 5 mll and alcohol and water. When I add more water or normal saline ( I want to dilute in a 200-400 sodium chloride 0.9% ) it precipitates. Can I have a clue here or some references ?

Thank you!