Research Article

A Method for the Simultaneous Determination of Chlorogenic Acid and Sesquiterpene Lactone Content in Industrial Chicory Root Foodstuffs

Figure 2

HPLC-DAD chromatograms of sesquiterpene lactones and chlorogenic acids in chicory root product (flour) obtained with H2O/CHCl3/MeOH 30/30/30 (v/v/v) extraction: (a) STL at 254 nm and (b) CGA at 320 nm. (1) 5-Mono-O-caffeoylquinic acid, (2) 11(S),13-dihydrolactucin, (3) lactucin, (4) 3,5-di-O-caffeoylquinic acid, (5) 11(S),13-dihydro-8-deoxylactucin, (6) 8-deoxylactucin, (7) 11(S), 13-dihydrolactucopicrin, and (8) lactucopicrin.
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(b)