Effect of Salicylic Acid Foliar Application on Bioactive Compounds and Antioxidant Activity in Holy Basil (Ocimum sanctum L.)

Figure 5

Biplot of principle component analysis of SA concentration, antioxidant activity (AA), and the content of eugenol (EU), total phenolic content (TPC), and total flavonoid content (TFC) of all samples. Color of symbols represents SA concentrations: red, 0 mM; light green, 0.1 mM; blue, 0.5 mM; brown, 1.0 mM; dark green, 1.5 mM; purple, 2.0 mM; yellow, 2.5 mM.