Fruit peel bioactives, valorisation into nanoparticles and potential applications: A review

Rajat Suhag, Rohit Kumar, Atul Dhiman, Arun Sharma, Pramod K. Prabhakar, Krishna Gopalakrishnan, Ritesh Kumar, Anurag Singh

Research output: Contribution to journalReview articlepeer-review

26 Scopus citations

Abstract

Nanotechnology is a rapidly growing field with profound applications in different domains, particularly in food science and technology. Nanoparticles (NPs) synthesis, an integral part of nanotechnology-based applications, is broadly classified into chemical, physical and biosynthesis methods. Chemically sensitive and energy-intensive procedures employed for NPs synthesis are some of the limits of traditional chemical approaches. Recent research has focused on developing easy, nontoxic, cost-effective, and environment-friendly NPs synthesis during the last decade. Biosynthesis approaches have been developed to achieve this goal as it is a viable alternative to existing chemical techniques for the synthesis of metallic nanomaterials. Fruit peels contain abundant bioactive compounds including phenols, flavonoids, tannins, triterpenoids, steroids, glycosides, carotenoids, anthocyanins, ellagitannins, vitamin C, and essential oils with substantial health benefits, anti-bacterial and antioxidant properties, generally discarded as byproduct or waste by the fruit processing industry. NPs synthesized using bioactive compounds from fruit peel has futuristic applications for an unrealized market potential for nutraceutical and pharmaceutical delivery. Numerous studies have been conducted for the biosynthesis of metallic NPs such as silver (AgNPs), gold (AuNPs), zinc oxide, iron, copper, palladium and titanium using fruit peel extract, and their synthesis mechanism have been reported in the present review. Additionally, NPs synthesis methods and applications of fruit peel NPs have been discussed.

Original languageEnglish
Pages (from-to)6757-6776
Number of pages20
JournalCritical Reviews in Food Science and Nutrition
Volume63
Issue number24
DOIs
StatePublished - 1 Jan 2023
Externally publishedYes

Keywords

  • Biological synthesis
  • eco-friendly
  • food packaging
  • silver nanoparticles
  • waste utilization

ASJC Scopus subject areas

  • Food Science
  • Industrial and Manufacturing Engineering

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