Table 1.

Phytochemical prescreening of Amomum nilgiricum rhizome and leaf extracts. The marks ‘ + ’ and ‘ − ’ indicate ‘present’ and ‘absent’, respectively.

Phytochemicals	Leaf extract		Rhizome extract
	Methanol	Ethyl acetate	Methanol
Carbohydrates	+	+	+
Flavonoids	+	+	+
Cardiac glycosides	+	+	+
Anthocyanin	−	−	+
Tannins	+	+	+
Alkaloids	+	+	+
Saponins	−	−	+
Steroids	+	+	+
Terpenoids	−	+	−
Phenols	+	+	+
Leucoanthocyanin	+	+	+
Proteins and amino acids	+	+	−
Diterpenes	+	+	+
Anthroquinone	−	−	+