Green Synthesis of Gold and Silver Nanoparticles Using Opuntia dillenii Aqueous Extracts: Characterization and Their Antimicrobial Assessment

Table 2

Phytochemical evaluation of methanol, n-hexane, and distilled water plant extracts of O. dillenii.

Constituents	Opuntia dillenii plant extract
	Methanol	n-Hexane	Distilled water
Steroids	+	−	−
Terpenoids	+	+	+
Glycosides	−	−	−
Flavonoids	+	−	+
Saponins	+	−	+
Carbohydrates	−	−	−
Tannins	+	−	−
Coumarins	+	−	−
Betacyanin	+	−	−
Anthraquinones	−	−	−
Anthocyanin	−	−	−
Emodins	−	−	−
Phlobatannins	−	−	−

“+” shows the presence and “−” shows the absence of the compound.