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. 2022 Sep 26;27(19):6360. doi: 10.3390/molecules27196360

Table 1.

Preliminary qualitative phytochemicals screening of Cydonia oblonga Met + Ext.

Phytochemicals Reagent Analyses Result
Flavonoids Ferric chloride Appearance of yellow color and colorless after HCL addition +
Alkaloids Dragendroff’s Formation of orange–red color precipitate +
Glycosides Keller Killiani Red to brown layer formation +
Triterpenoids Liebermann Burchard Reddish–brown boundary +
Tannins Gelatine Brownish to green precipitates +

The + sign represents the presence of a given phytochemical group.