Curcumin we can measure in UV, but how can we measure the amount of cyclodextrin preset in the complex? In the following paper it has mentioned in 2.3 Formulation of the cyclodextrin complex of curcumin in that paragraph in 6th line you have mentioned that the "complex recovered contains 12 g/L curcumin and 93 g/L of Cyclodextrin.

Article Cyclodextrin-Complexed Curcumin Exhibits Anti-inflammatory a...