Fig. 4 in Germacranolide- and guaianolide-type sesquiterpenoids from Achillea alpina L. reduce insulin resistance in palmitic acid-treated HepG2 cells via inhibition of the NLRP3 inflammasome pathway

Fig. 4. The glucose consumption assay of compounds 1–20. The concentrations of these compounds were 50 μM, ROSI (50 μM) was the positive control. *p <0.05, **p <0.01, compared to PA treatment group.