Table 3.

Average hydrodynamic size and zeta potential values of GM-AuNPs and GM-AgNPs

	Extract concentration (%)	0.02	0.03	0.04	0.05	0.06	0.07	0.08	0.09
GM-AuNPs	Hydrodynamic size (nm)	54.6	72.0	77.2	79.3	81.7	87.8	106.4	132.0
	Polydispersity index	0.208	0.221	0.211	0.207	0.185	0.151	0.139	0.119
	Zeta potential (mV)	−34.77	−34.12	−33.25	−25.04	−24.06	−22.03	−20.43	−18.92
GM-AgNPs	Hydrodynamic size (nm)	129.4	154.5	162.8	166.0	191.2	197.9	201.2	248.5
	Polydispersity index	0.253	0.242	0.237	0.212	0.184	0.204	0.187	0.210
	Zeta potential (mV)	−24.89	−29.02	−25.91	−23.92	−23.23	−24.22	−22.63	−21.17

Abbreviations: GM-AgNPs, silver nanoparticles green synthesized by mangosteen pericarp extract; GM-AuNPs, gold nanoparticles green synthesized by mangosteen pericarp extract.