Green Analytical Approach for the Determination of Zinc in Pharmaceutical Product Using Natural Reagent

Table 4

Phytochemical screening of Acacia catechu.

Phytochemical test	Test performed	Inferences	Result
Alkaliods	Mayer’s test	Pale yellow ppt	+
	Wagner’s test	Brown ppt	+
Flavanoids	Alkaline reagent test	Intense yellow colour	−
	Lead acetate test	Yellow colour ppt	−
Tannins	Ferric chloride test	Brownish green	+
Phenol		Blue, green, red, or purple color	+
Glycosides	Keller Killiani test	Blue colour in acetic lyarer	−
	Legal test	Blood red colour	−

Note. “+” sign indicates the presence, and “−” sign indicates the absence of phytochemical.