Fig. 11

Effects of PLA–chitosan (CP), PLA–PEG–HA/PLA–chitosan (PPHCP), ethanolic extract of F. vulgare (FX), ethanolic extract from the selected callus tissue sample (CFX), essential oil of F. vulgare (EO), quercetin (Que), anethole (ANT), CP/FX‌‌, ‌‌CP/CFX, CP/EO, CP/Que, CP/ANT, PPHCP/FX, PPHCP/CFX, PPHCP/EO, PPHCP/Que, and PPHCP/ANT on A the percentage of necrotic cells, B the pre-apoptotic stage, and C the post-apoptotic stage in the Hs578T and SUM159 cell lines