Evaluation of the Molecular State of Piperine in Cyclodextrin Complexes by Near-Infrared Spectroscopy and Solid-State Fluorescence Measurements

Figure 3

Emission spectra of unprocessed and ground mixtures of PP with different CDs. = 360 nm: (a) unprocessed PP, (b) PP ground, (c) PP/αCD, (d) PP/βCD, and (e) PP/γCD.

(a)

(b)

(c)

(d)

(e)