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Table 2 Parts used, extraction yields, and phytochemical composition of the plant extracts

From: Antibacterial activities of selected edible plants extracts against multidrug-resistant Gram-negative bacteria

Extracts A. digitata A. alboviolaceum A. polyanthum A. mannii H. sabdarifa O. gratissimum T. indica
Parts used Leaves Fruits Fruits Leaves Twigs Twigs Fruits
Yield* (%) 12.17 6.45 3.23 3.39 4.94 4.75 37.98
Alkaloids - + - + + + +
Anthocyanines - + + - - - -
Anthraquinones - - - - - - -
Flavonoids - + - - + - +
Phenols + + + + + + +
Polyphenols + + + + + + +
Saponines + - + + + - +
Tannins + - - + - + -
Sterols + - - + + + +
Triterpenes + + + + + + +
  1. (+): Present; (−): Absent; * yield calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder.