Figure 4.

IC₅₀ values (90 min) of the ester product DCA-C8 compared to non-esterified DCA and other commercial antioxidants. DCA-C8 = dihydroconiferyl octanoate, DCA = dihydroconiferyl alcohol, PG = propyl gallate, BHT = butylated hydroxytoluene; BHA = butylated hydroxyanisole. Values shown are the average of three independent measurements ± standard deviation. IC₅₀ value refers to the concentration of the compound needed to scavenge 50% of the DPPH radical. A lower IC₅₀ value means a more potent antioxidant.