Issue 21, 2023

Recent advancements in nanomaterial based optical detection of food additives: a review

Abstract

Food additives have become a critical component in the food industry. They are employed as preservatives to decelerate the negative effects of environmental and microbial factors on food quality. Currently, food additives are used for a variety of purposes, including colorants, flavor enhancers, nutritional supplements, etc., owing to improvements in the food industry. Since the usage of food additives has increased dramatically, the efficient monitoring of their acceptable levels in food products is quite necessary to mitigate the problems associated with their inappropriate use. The traditional methods used for detecting food additives are generally based on standard spectroscopic and chromatographic techniques. However, these analytical techniques are limited by their high instrumentation cost and time-consuming procedures. The emerging field of nanotechnology has enabled the development of highly sensitive and specific sensors to analyze food additives in a rapid manner. The current article emphasizes the need to detect various food additives owing to their potential negative effects on humans, animals, and the environment. In this article, the role of nanomaterials in the optical sensing of food additives has been discussed owing to their high accuracy, ease-of-use, and excellent sensitivity. The applications of nanosensors for the detection of various food additives have been elaborated with examples. The current article will assist policymakers in developing new rules and regulations to mitigate the adverse effects of toxic food additives on humans and the environment. In addition, the prospects of nanosensors for the optical detection of food additives at a commercial scale have been discussed to combat their irrational use in the food industry.

Graphical abstract: Recent advancements in nanomaterial based optical detection of food additives: a review

Article information

Article type
Critical Review
Submitted
01 aug 2023
Accepted
03 sep 2023
First published
05 sep 2023

Analyst, 2023,148, 5322-5339

Recent advancements in nanomaterial based optical detection of food additives: a review

S. K. Bhardwaj, A. Deep, N. Bhardwaj and N. Wangoo, Analyst, 2023, 148, 5322 DOI: 10.1039/D3AN01317K

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