Research Article
Green Synthesis Methods of CoFe2O4 and Ag-CoFe2O4 Nanoparticles Using Hibiscus Extracts and Their Antimicrobial Potential
Table 1
Chemical composition of hibiscus flower/leaf extracts.
| | Flavonoid compounds/sample | Hibiscus flower extract | Hibiscus leaf extract | | Retention time (min.) | Amount (mg/100 mL) | Retention time (min.) | Amount (mg/100 mL) |
| | Caffeic acid | 6.28 | 0.46 | — | — | | Rutin | — | — | 12.2 | 0.304 | | Rosmarinic acid | — | — | — | — | | Quercetin | — | — | 22.95 | 0.187 | | Kaempferol | — | — | — | — | | Gallic acid | 2.87 | 0.850 | 2.99 | 0.297 | | Homogentisic acid | 3.29 | 3.150 | — | — | | Pyrogallol | 3.53 | 1031.737 | 3.54 | 4.753 | | 3,4-Dihydroxybenzoic acid | 4.04 | 0.767 | 4.1 | 2.995 | | 2,5-Dihydroxybenzoic acid | 6.22 | 6.734 | — | — |
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