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. 2021 Jan 29;10(2):195. doi: 10.3390/antiox10020195

Figure 4.

Figure 4

Figure 4

UV-vis absorption spectra signifying the DPPH free radical scavenging efficacy of (a) ascorbic acid. (b) MPDA and (c) MPDA@Mor. (d) DPPH free radical scavenging percentage at different concentrations of ascorbic acid, MPDA, and MPDA@Mor.