Biogenic Synthesis of Iron Nanoparticles from Apple Peel Extracts for Decolorization of Malachite Green Dye

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This study explored the potential use of apple peel extract (APE) for the biosynthesis of iron nanoparticles (FeNPs). The synthesized APE-FeNPs were characterized by UV-Vis spectroscopy, Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), and transmission scanning electron microscopy (TEM). The biosynthesis of APE-FeNPs was confirmed with polyphenol peaks (237 nm, 272 nm) detected as biological components integrated into APE-FeNPS, and FTIR analysis profiled the presence of primary functional groups (OH-, NH-, CH- bending vibrations). The APE-FeNPs formed were elliptical and spherical shaped, measuring 50 nm. Treatment of malachite green dye with APE-FeNPs showed 71.51% dye decolorization within the first 1 min. This study has shown that apple peel extract can be used to synthesize FeNPs that are useful for removal for malachite green dye.

Original languageEnglish
Article number278
Number of pages10
JournalWater, Air, & Soil Pollution
Issue number6
Publication statusPublished - 29 May 2020


  • Apple peel extract
  • Biogenic synthesis
  • Dye removal
  • Iron nanoparticles
  • Malachite green

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