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FOOD SCIENCE & TECHNOLOGY

Eucalyptus globulus Labill. Mediated synthesis of ZnO nanoparticles, their Optimization and characterization

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Article: 2293332 | Received 30 May 2023, Accepted 06 Dec 2023, Published online: 15 Dec 2023

Figures & data

Figure 1. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At room temperature for various periods of incubation.

Figure 1. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At room temperature for various periods of incubation.

Figure 2. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 40°C for various periods of incubation.

Figure 2. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 40°C for various periods of incubation.

Figure 3. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 60°C for various periods of incubation.

Figure 3. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 60°C for various periods of incubation.

Figure 4. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 80°C for various periods of incubation.

Figure 4. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 80°C for various periods of incubation.

Figure 5. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 60°C for 4h of incubation.

Figure 5. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. At 60°C for 4h of incubation.

Figure 6. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1mM conc. Of zinc sulfate.

Figure 6. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1mM conc. Of zinc sulfate.

Figure 7. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 2mM conc. Of zinc sulfate.

Figure 7. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 2mM conc. Of zinc sulfate.

Figure 8. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 3mM conc. Of zinc sulfate.

Figure 8. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 3mM conc. Of zinc sulfate.

Figure 9. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 4mM conc. Of zinc sulphate.

Figure 9. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 4mM conc. Of zinc sulphate.

Figure 10. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 5mM conc. Of zinc sulphate.

Figure 10. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 5mM conc. Of zinc sulphate.

Figure 11. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1:1 volume of extract and 1mM conc. Of zinc sulphate.

Figure 11. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1:1 volume of extract and 1mM conc. Of zinc sulphate.

Figure 12. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1:1 volume of extract and 1mM conc. Of zinc sulphate for 4h at 60°.

Figure 12. Ultraviolet-visible spectra for the production of zinc oxide nanoparticles by leaf extract of Eucalyptus globulus Labill. With 1:1 volume of extract and 1mM conc. Of zinc sulphate for 4h at 60°.

Figure 13. SEM images of ZnO nanoparticles synthesized from Eucalyptus globulus Labill. Leaf extract.

Figure 13. SEM images of ZnO nanoparticles synthesized from Eucalyptus globulus Labill. Leaf extract.

Figure 14. EDX spectrum of ZnO NPs.

Figure 14. EDX spectrum of ZnO NPs.

Plate 1.Reaction mixture at seven different time intervals before incubation.

Plate 1.Reaction mixture at seven different time intervals before incubation.

Plate 2. Reaction mixtures after placing them at Room Temperature for seven different time intervals.

Plate 2. Reaction mixtures after placing them at Room Temperature for seven different time intervals.

Plate 3. Reaction mixtures after placing them at 40°C for seven different time intervals.

Plate 3. Reaction mixtures after placing them at 40°C for seven different time intervals.

\Plate 4. Reaction mixtures after placing them at 60°C for seven different time intervals.

\Plate 4. Reaction mixtures after placing them at 60°C for seven different time intervals.

Plate 5. Reaction mixtures after placing them at 80°C for seven different time intervals.1.2.

Plate 5. Reaction mixtures after placing them at 80°C for seven different time intervals.1.2.

Plate 6. Reaction mixtures after placing them for selected time intervals at different temperatures.

Plate 6. Reaction mixtures after placing them for selected time intervals at different temperatures.

Plate 7. Reaction mixtures with 1mM reagent concentration and five different extractvolumes before placing them for incubation at 60°C for 4h.

Plate 7. Reaction mixtures with 1mM reagent concentration and five different extractvolumes before placing them for incubation at 60°C for 4h.

Plate 8. Reaction mixtures with 1mM reagent concentration and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 8. Reaction mixtures with 1mM reagent concentration and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 9. Reaction mixtures with 2mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 9. Reaction mixtures with 2mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 10. Reaction mixtures with 3mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 10. Reaction mixtures with 3mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 11. Reaction mixtures with 4mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 11. Reaction mixtures with 4mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 12. Reaction mixtures with 5mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 12. Reaction mixtures with 5mM reagent concentrations and five different extract volumes after placing them for incubation at 60°C for 4h.

Plate 13. Reaction mixtures after placing them at 60°C/4h with 1mM reagent concentration and different plant extract volumes.

Plate 13. Reaction mixtures after placing them at 60°C/4h with 1mM reagent concentration and different plant extract volumes.

Data availability statement

No data were used to support the findings of the study.