Analysis of freshness and formalin content in saltwater fishes in South Lampung

Authors

  • Purnama Arafah Departemen Teknologi Hasil Perairan, Fakultas Perikanan dan Ilmu Kelautan, IPB University
  • Tati Nurhayati Departemen Teknologi Hasil Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor https://orcid.org/0000-0003-2941-4576
  • Sugeng Heri Suseno Departemen Teknologi Hasil Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor https://orcid.org/0000-0002-2214-8837
  • Carissa Mutiara Ardina Departemen Teknologi Hasil Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor
  • Nurafi Razna Suhaima Program Studi Supervisor Jaminan Mutu Pangan, Sekolah Vokasi, Institut Pertanian Bogor, Bogor https://orcid.org/0000-0001-6365-3277

DOI:

https://doi.org/10.17844/73p0r037

Keywords:

formalin, Kalianda, quality deterioration, saltwater fish, supply chain

Abstract

Formaldehyde contamination from the illegal use of formalin and natural accumulation is an indicator of fish quality decline throughout the post-harvest supply chain, from capture to distribution to consumers. This study aimed to determine the level of freshness and formaldehyde content in seawater fish in the fisheries supply chain (TPI Dermaga Bom and traditional markets) in Kalianda, South Lampung. The methods used included organoleptic analysis, pH measurement, total volatile base (TVB) measurement, trimethylamine (TMA) measurement, active formaldehyde (FA) measurement, and dimethylamine (DMA) measurement. Samples of snapper, mackerel, sardines, and semar were analyzed to compare their quality. The results showed that fish samples from the collectors were fresher than those from traditional markets. The pH values at both locations ranged from 6.39 to 7.12. The TVB values of both locations ranged from 12.55 to 30.98 mgN/100 g, while the TMA values ranged from 8.82 to 12.35 mgN/100 g. The FA values at both locations ranged from 0.25 to 0.45 ppm, whereas the DMA values ranged from 0.54 to 0.67 ppm. Statistical results showed that the p-value was greater than 0.05 in the TVB and TMA tests between fish from collectors and markets, indicating that there was no significant difference between the two locations. However, no significant differences were observed in the pH values, natural formaldehyde content, or dimethylamine levels. The implications of these research results are expected to help improve fish quality management and support strict monitoring policies in the fishery product supply chain in the future.

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Published

2025-09-24 — Updated on 2025-10-06

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How to Cite

Arafah, P., Nurhayati, T., Suseno, S. H., Ardina, C. M., & Suhaima, N. R. (2025). Analysis of freshness and formalin content in saltwater fishes in South Lampung. Jurnal Pengolahan Hasil Perikanan Indonesia, 28(8), 738-754. https://doi.org/10.17844/73p0r037 (Original work published 2025)