Green synthesis of silver nanoparticles using banana peel extract and application on banana preservation

This study aimed to develop an environmentally friendly silver nanoparticles (AgNPs) using banana peel extract as reducing and capping agent. AgNPs obtained were characterized via Fourier‐transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). Preservation of banana blocks co...

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Bibliographic Details
Published in:Food frontiers 2023-03, Vol.4 (1), p.283-288
Main Authors: Goh, Hui Tung, Cheok, Choon Yoong, Yeap, Swee Pin
Format: Article
Language:English
Subjects:
banana peel extracts
banana preservation
Carboxymethyl cellulose
Carboxymethylcellulose
Cellulose
Coatings
Fourier transforms
Fruits
green synthesis
Hydroxyl groups
Infrared spectroscopy
Ligands
Mold growths
Morphology
Nanoparticles
Nitro compounds
Plant extracts
Preservation
Scanning electron microscopy
Shelf life
Silver
silver nanoparticles
Sodium
Sodium carboxymethyl cellulose
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Summary:This study aimed to develop an environmentally friendly silver nanoparticles (AgNPs) using banana peel extract as reducing and capping agent. AgNPs obtained were characterized via Fourier‐transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). Preservation of banana blocks coated with sodium carboxymethyl cellulose (Na‐CMC) and Na‐CMC incorporated with AgNPs (Na‐CMC + AgNPs) for 5 days were also conducted. Besides the AgO, which has been identified in FTIR analysis, AgNPs synthesized using banana peel extract exhibited aromatic nitro compound, carboxyl, and hydroxyl groups as well. SEM image showed AgNPs in agglomeration caused by drying process. Banana blocks coated with Na‐CMC + AgNPs showed better preservation as no molds growth were observed throughout the 5 days storage. Meanwhile, banana blocks coated with only Na‐CMC showed molds started to grow on the 3rd day. This preliminary study evidenced that Na‐CMC incorporated with AgNPs could prolong shelf life of banana against mold growth.
ISSN:2643-8429
2643-8429
DOI:10.1002/fft2.206