Fig. 1 Ethanol concentration effect on enzymatically assisted extraction of phenolic antioxidants from raspberry wastes. Conditions: 1 g; 50ºC; 18 hrs; 150 rpm; Liquid/Solid ratio 20:1; W: water; E: ethanol. Results are expressed as the mean (n = 3) ± SD. SS: g/g d.w.; TPC: mg; GAE/g d.s.; DPPH: mmol TE/100 g d.s.; ABTS: mmol TE/100 g d.s.; FRAP: mmol AAE/100 g d.s. Values grouped with * means not significant differences (P > 0.05).


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