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Table 5 Phytochemical screening of M. malabathricum leaves in powder form and MEMM

From: Methanol extract of Melastoma malabathricum leaves exerted antioxidant and liver protective activity in rats

Class of compound Sample
  Dried leaf MEMM
Flavonoids ++ +++
Triterpenes ++ ++
Tannins ++ ++
Saponins ++ +
Steroids +++ ++
Alkaloids - -
  1. For flavonoids, tannins, triterpenes and steroids – + : weak colour; ++ : mild colour; +++ : strong colour.
  2. For saponins – + : 1–2 cm froth; ++ : 2–3 cm froth; +++ : >3 cm froth.
  3. For akalioids – + : negligible amount of precipitate; ++ : weak precipitate; +++ : strong precipitate.