Development of an unmodified screen-printed graphene electrode for nonenzymatic histamine detection

Anal Methods. 2020 Nov 28;12(44):5407-5414. doi: 10.1039/d0ay01443e. Epub 2020 Oct 30.

Abstract

The high requirement for food quality control has inspired the creation of high-performance sensing, cost-effectiveness, and ease to use. Therefore, the aim of this work is to develop nonenzymatic electrochemical platforms for direct detection of histamine using unmodified screen-printed graphene electrodes (SPGEs) for their applications such as evaluation of fish freshness. In alkaline media (0.2 M NaOH), unmodified SPGEs showed a very low oxidation potential of histamine at +0.58 V (vs. Ag/AgCl) avoiding perturbations from other biogenic amines. The developed method offers an excellent selectivity, sensitivity (a limit of detection (at 3SD/slope) of 0.62 mg L-1) and wide working linear range (5-100 mg L-1) for histamine detection. In addition, the proposed method was successfully applied to detect histamine in canned fish samples with recovery values ranging from 90.72% to 101.21%. Therefore, this newly proposed method is promising as an alternative choice for the determination of histamine in fish samples and related food products.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Biogenic Amines
  • Electrochemical Techniques
  • Electrodes
  • Graphite*
  • Histamine

Substances

  • Biogenic Amines
  • Graphite
  • Histamine