Low-cost and eco-friendly green synthesis of silver nanoparticles using Prunus japonica (Rosaceae) leaf extract and their antibacterial, antioxidant properties

Figures & data

Figure 1. Prunus japonica aqueous extract (A&B) before and after dilution (C) AgNPs formed after treating with extract.

Figure 2. UV-vis spectra of synthesized AgNPs.

Figure 3. XRD patterns of synthesized AgNPs from P. japonica extract.

Figure 4. SEM image of synthesized AgNPs.

Figure 5. EDAX spectrum of AgNPs from P. japonica extract.

Figure 6. HR-TEM image of synthesized AgNPs.

Figure 7. FTIR spectrum of synthesized AgNPs.

Figure 8. Antibacterial activity of green synthesized AgNPs (a = No drug, b = 3.125, c = 6.25, d = 12.5, and e = 25 μg/ml) using P. japonica extract.

Table 1. Antibacterial activity of synthesized AgNPs.

	Zone of inhibition (mm)
Concentration(μg/ml)	S. aureus	B. cereus	E. coli	P. vulgaris
3.125	5.37 ± 0.04	7.12 ± 0.56	8.53 ± 0.19	9.26 ± 0.11
6.25	6.50 ± 0.38	8.92 ± 0.65	10.92 ± 0.53	11.97 ± 0.34
12.5	8.33 ± 0.88	10.08 ± 0.18	13.87 ± 0.29	15.78 ± 0.13
25	12.07 ± 0.10	13.91 ± 0.34	15.26 ± 0.46	18.83 ± 0.25

Figure 9. DPPH radical scavenging activity of synthesized AgNPs.