Exploration of the Antimicrobial and Catalytic Properties of Gold Nanoparticles Greenly Synthesized by Cryptolepis buchanani Roem. and Schult Extract

Table 1

A partial list of the properties of AuNPs synthesized by plant extracts reported in the select literature.

Plant	Measurement technique	Size (nm)	Shape	ZP (mV)	Ref
Abutilon indicum	TEM	1-20	Sph	-25	[52]
Aegle marmelos	TEM	18	Sph	—	[53]
Eugenia jambolana		28
Soursop		16
Bacopa monnieri	TEM	3-45	Sph	—	[54]
Capsicum annuum var. grossum	TEM	6-37	Sph, Tri, Hex	—	[40]
Corchorus olitorius	TEM	27-35	Sph	—	[43]
Cornus mas	TEM	19	Sph	-33	[47]
Couroupita guianensis Aubl.	TEM		Sph, Tri, Hex	—	[55]
C. buchanani	TEM	11	Sph	-30.3	This work
Croton caudatus geisel	TEM	20-50	Sph	—	[56]
Dalbergia coromandeliana	HRTEM	10.5	Sph	—	[19]
Dracocephalum kotschyi	TEM	8-23	Sph, Tri, Pen, Hex	-29.3	[36]
Elaeis guineensis	TEM	35-75	Sph, Tri, Pen	-17	[57]
Eucommia ulmoides	TEM	16.4	Sph	-21.3	[21]
Genipa americana	TEM	15-40	Sph	—	[18]
Hibiscus sabdariffa	TEM	10-60	Sph	—	[58]
Ipomoea carnea	TEM	3-100	Sph, Tri, Pen, Hex, R	—	[16]
Nepenthes khasiana	SEM	50-80	Tri, Sph	—	[59]
Nerium oleander	HRTEM	2-10	Sph	—	[60]
Olea europaea	TEM	50-100	Tri, hex, Sph	—	[39]
Justicia adhatoda	SEM	13-57	Sph	—	[61]
Sansevieria roxburghiana	TEM	5-31	Sph, Tri, Hex, Dec, R	—	[62]

Note: Dec: decahedral; Hex: hexagonal; Pen: pentagonal; R: rod; Sph: spherical; Tri: triangular; ZP: zeta potential.