In dissolution study of colon targeted tablet , How to select dissolution fluid and their volume if drug's formulation is not official in pharmacopoeia.
Dear Vipul, I (we) expect that you checked the USP and the Eur.Ph general chapters on the dissolution test prior to posting your question. Therefore, what particular info, not included in those chapters, are you trying to obtain?
I think first you have to look to the USP and the Eur.Ph for similar colon active ingredient family group and from them you can get the suitable dissolution medium
Besides checking Pharmacopeia protocols, find the attached pdfs, where you will get all the details of simulated gastric, intestinal, colonic fluid types, volume, conditions etc.