Fig. 3From: Green ultrasound-assisted extraction of fish oil from rainbow trout intestines and purification with adsorbentsEffect of adsorbent materials (A) and adsorption time (B) on the POV of the extracted oil. The asterisks denote significant differences in the values. *p < 0.05, **p < 0.01, ***p < 0.001, and ns: no significant difference. POV peroxide value, SG silica gel, AO aluminum oxideBack to article page