Spectral line

Photochemistry

Materials science

Absorption (acoustics)

Ultraviolet visible spectroscopy

Biochemistry

Solvent

Stereochemistry

Visible spectrum

Physics

Organic chemistry

Curcumin

Optics

Astronomy

Computational chemistry

Tautomer

Composite material

Chemistry

Solvent effects

Optoelectronics

Absorption spectroscopy

Physical Chemistry Chemical Physics

We present a combined theoretical and experimental study on the UV-vis spectra of enol–keto (EK) and keto–keto (KK) tautomeric forms of curcumin dissolved in aqueous solution.

Interplay between conformational and solvent effects in UV-visible absorption spectra: curcumin tautomers as a case study