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Table 5 Quantitative estimation of phytochemicals responsible for the antimicrobial properties of aqueous, acetone, and methanol extracts of A. polystachyus, K. gueinzii, and R. elegans

From: Qualitative and quantitative phytochemical composition, antimicrobial activity, and brine shrimp cytotoxicity of different solvent extracts of Acanthus polystachyus, Keetia gueinzii, and Rhynchosia elegans

Plant Extract TFC (mg/g CE) TPC (mg/g GAE) TC (mg/g TAE)
A. polystachyus Aqueous 0.32 2.14 16.61
  Acetone 15.45 8.83 8.50
  Methanol 2.62 2.22 7.66
K. gueizii Aqueous 16.32 3.00 80.65
  Acetone 15.45 3.64 87.71
  Methanol 18.63 3.54 85.20
R. elegans Aqueous 2.37 2.14 9.27
  Acetone 7.07 3.28 25.63
  Methanol 3.67 2.36 17.31
  1. TFC total flavonoid content, mg milligrams, g grams, GAE gallic acid equivalents, TPC total phenolic content, CE catechin equivalents, TC tannin content, TAE tannic acid equivalents