Table 7 HPLC analysis of phenolic compounds in leaves of peach (Prunus persica L. Batsch).
RT (min) | Compound | Phenolic compounds (mg/g) in acetone extract of peach leaves | ||||||
|---|---|---|---|---|---|---|---|---|
Control | Ag NPs 10 mL/L | Ag NPs 12.5 mL/L | Ag NPs 15 mL/L | Zn NPs 2.5 mL/L | Zn NPs 5 mL/L | Zn NPs 7.5 mL/L | ||
2.98 | Catechol | 4.22 | 4.22 | 1.22 | ND | ND | ND | ND |
4.0 | Caffeic acid | 6.15 | 6.15 | ND | ND | ND | ND | ND |
5.0 | Ferulic acid | 17.09 | 17.09 | 5.10 | ND | 12.09 | 12.09 | 0.07 |
6.0 | p-Coumaric acid | ND | ND | 6.06 | ND | ND | ND | 0.03 |
7.0 | Gallic acid | 2.33 | 2.78 | 2.78 | 1.22 | 11.14 | 11.14 | ND |
8.0 | Chlorogenic acid | 3.14 | 5.14 | 8.14 | ND | ND | ND | 5.22 |
8.9 | p-Hydroxybenzoic acid | ND | ND | ND | 10.66 | 8.55 | 8.55 | ND |
10.0 | Cinnamic acid | ND | ND | 14.17 | ND | 7.43 | 7.43 | 9.14 |
11.0 | Salicylic acid | 1.05 | 6.13 | ND | 7.51 | ND | ND | ND |
11.5 | Epicatechin | 7.11 | 9.03 | ND | ND | ND | ND | ND |
12.0 | Ellagic acid | 6.88 | 7.63 | 1.05 | 6.24 | 1.22 | 1.22 | ND |
13.0 | Pyrogallol | ND | ND | ND | ND | 1.36 | 1.36 | ND |
14.0 | Protocatechuic acid | ND | ND | 3.10 | ND | 16.09 | 14.36 | ND |
15.0 | Tyrosol | ND | ND | 4.19 | ND | ND | ND | ND |
