Improvement of Cochineal Extract (Dactylopius coccus Costa) Properties Based on the Green Synthesis of Silver Nanoparticles for Application in Organic Devices

Table 2

Major elemental composition (weight percent) of cochineal pigment and AgNPs synthesized from 0.1 and 0.4 ml of the cochineal extract.

Elements	wt.%
	Cochineal at pH 3.8	0.1 ml of the cochineal extract	0.4 ml of the cochineal extract
Ag	—	0.89 ± 0.05	0.83 ± 0.02
Na	0.21 ± 0.04	1.29 ± 0.11	1.50 ± 0.13
Mg	0.40 ± 0.05	0.37 ± 0.04	0.35 ± 0.05
Al	0.42 ± 0.03	0.30 ± 0.03	0.31 ± 0.04
S	6.18 ± 0.25	—	0.02 ± 0.01