Fig. 8From: Factors affecting the growth, antioxidant potential, and secondary metabolites production in hazel callus culturesThe influence of the basal medium on antioxidant activity extracts of Corylus avellana callus cultures; reductive potential (a), and DPPH radical scavenging activity (b). According to Duncan’s multiple range tests, values with common letters are not significantly different at the 5% probability levelBack to article page