Research Article

Variations of Carotenoids, Total Bioactive Contents, and Antioxidant Activity in Leaves of Medicago polymorpha

Figure 4

Changes in the DPPH radical scavenging activity of the different extracts of Medicago polymorpha of selected regions. (a) RSA and (b) linear correlation plot of RSA and violaxanthin and lutein. Data are the mean of triplicates with standard deviation. , , , versus each other for the sample using Dunnett’s multiple comparison tests.
(a)
(b)