Figure 2. HPLC-PDA chromatogram of crude curcumin 100% ethanol extract at 425 nm. The overlaid UV-Vis spectra of the 3 main curcumin peaks have maximum adsorption at 416.8 nm (retention of 52.302 minutes, compound c), 420.4 nm (retention of 52.752 minutes, compound b) and 425.3 nm (retention of 52.867 minutes, compound a)

From

Anti-inflammatory Activities of Ethanolic Extracts of curcuma Longa (Turmeric) and cinnamon (Cinnamomum verum)

Khaled Qabaha, Saleh Abu-Lafi, Fuad Al-Rimawi

Journal of Food and Nutrition Research. 2017, 5(9), 668-673 doi:10.12691/jfnr-5-9-6