NMR Confirmation and HPLC Quantification of Javamide-I and Javamide-II in Green Coffee Extract Products Available in the Market

Figure 3

Proton and carbon NMR spectra for javamide-I. (a) Proton NMR spectrum and (b) carbon NMR spectrum. The proton and carbon numbers were depicted with chemical shifts in parenthesis.

(a)

(b)