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. 2018 Aug 13;13(8):e0202255. doi: 10.1371/journal.pone.0202255

Fig 7. Total flavonoid and total phenolic contents in greenhouse- and field-grown Setaria and Bracken.

Fig 7

(A) Flavonoid content was determined from field-grown and greenhouse-grown plants according to Kishore et al. [15] with rutin for calibration. (B) Total phenolics were determined according to Singleton and Rossi [43] with gallic acid for calibration. The graphs show the mean ± SEM of three biological replicates. The letters a, b and c indicate the level of significant differences (p ≤ 0.05) towards each other. Significance was calculated by ANOVA followed by Tukey’s pairwise comparisons.