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

Figure 1

Physical characteristics of Oroxylum indicum samples. (a) = leaves, (b) = whole fruit, (c) = flower (stage 1), (d) = flower (stage 2), (e) = flower (stage 3), (f) = flower (bloom), (g) = tissue-cultured plant (day 3), (h) = tissue-cultured plant (day 5), (i) = tissue-cultured plant (day 7), (j) = tissue-cultured plant (week 2), (k) = tissue-cultured plant (week 3), (l) = tissue-cultured plant (week 4), (m) = tissue-cultured plant (week 5), (n) = tissue-cultured plant (week 6), (o) = tissue-cultured plant (week 7), (p) = tissue-cultured plant (week 8), (q) = mature seed, (r) = brown callus, (s) = green callus, (t) = white callus, and (u) = yellow callus.