Research Article
Simultaneous Determination of Caffeine and Chlorogenic Acids in Green Coffee by UV/Vis Spectroscopy
Figure 1
UV/Vis absorption spectra of caffeine (continuous line) and CGA (dashed line) chemical standard, respectively, at 5.3 · 10−3 mg/ml and 8.5 · 10−3 mg/ml. Measurements were performed at 25°C.