Table 1.

Green synthesis of nanoparticles from M. oleifera extracts.

Nanoparticles	M. oleifera extracts used	Biological effect	References
Silver	(i) Aqueous leaf extract	(i) Broad-spectrum antimicrobial agent	[63]
	(ii) Aqueous flower extracts	(ii) Antimicrobial against Klebsiella pneumoniae and Staphylococcus aureus	[64]
	(iii) Stem bark extract	(iii) Anticancer activity against HeLa cell types	[65]
Gold	(i) Leaf extract	(i) Antioxidant, antidiabetic, and anticancer activities	[66]
	(ii) Aqueous leaf extract	(ii) Anticancer agent	[67]
Copper oxide	(i) Leaf extract	(i) Antibacterial activity against Bacillus cereus, Staphylococcus aureus, Escherichia coli, and Klebsiella pneumoniae strains	[68]
	(ii) Leaf extract	(ii) Antioxidant and cytotoxicity against cancer cells	[69]
Iron oxide	(i) Aqueous leaf extract	(i) Antibacterial agent against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Shigella, Salmonella typhi, and Pasteurella multocida	[70]
	(ii) Aqueous leaf and flower extracts	(ii) Antioxidant and antimicrobial action	[71]
Magnesium oxide	(i) Aqueous leaf extract	(i) Antibacterial and antifungal activities	[72]
Nickel oxide	(i) Aqueous leaf extract	(ii) Antibacterial and cytotoxic activities against human cancer cells	[73]
Zinc oxide	(i) Aqueous leaf extract	(i) Antibacterial against Bacillus subtilis and Escherichia coli	[74]