Comparative Phytochemical Profiling and In Vitro Antioxidant Activity of Extracts from Raw Materials, Tissue-Cultured Plants, and Callus of Oroxylum indicum (L.) Vent.

Figure 4

Score plot of principal component scores obtained from EC₅₀ values from DPPH scavenging assay, total phenolic and total flavonoid contents of O. indicum extracts from various plant parts, and growth stages as shown in Table 1. 1 = OIMS, 2 = OITPd3, 3 = OITPd5, 4 = OITPd7, 5 = OITPw2, 6 = OITPw3, 7 = OITPw4, 8 = OITPw5R, 9 = OITPw5S, 10 = OITPw6R, 11 = OITPw6S, 12 = OITPw7R, 13 = OITPw7S, 14 = OITPw8R, 15 = OITPw8S, 16 = OIFL1, 17 = OIFL2, 18 = OIFL3, 19 = OIFL4, 20 = OIPC, 21 = OIS, 22 = OIL, 23 = OICB, 24 = OICG, 25 = OICW, 26 = OICY, and 27 = OIWF.

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