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Effects of picrocrocin on protein expression of enzymes related to lipid metabolism. (A) Immunoblot analysis of the main proteins involved in lipid homeostasis after treatment of HepG2 cells for 24 and 48 h with PEF from our saffron extract. (B) Quantification of protein expression levels by densitometry. Values represent mean ± SD of three independent experiments. * p value < 0.05; *** p value < 0.001; **** p value < 0.0001; ns: non-significant; nd: not detectable.
