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. 2024 May 24;19(5):e0302657. doi: 10.1371/journal.pone.0302657

Table 1. Phytochemicals present in S. heteromalla CME.

Phytochemical (s) Test (s) Indication Result
Alkaloids Mayer’s reagent test Reddish brown precipitates +
Tannins /Phenolics FeCl3 test Blue/black Precipitates +++
Flavonoids NaOH test Yellow color +++
Glycosides FeCl3 test Rose pink +++
Terpenoids Salkowski test Reddish brown ring +++
Saponins Froth test Unstable froth after 10 min
Carbohydrates Molisch’s test Brick red color +++
Steroids H2SO4 test Red color +++