PENGUJIAN MUTU ORGANOLEPTIK DAN LOGAM BERAT MERKURI, TIMBEL, KADMIUM IKAN TUNA BENTUK STEIK DI DENPASAR. (Indonesian)

Organoleptic and Heavy Metal of Mercury, Lead, Cadmium Testing From Tuna (Thunnus sp.) Steak in Denpasar. (English)

Fish is a commodity in the category of highly perishable foods. Tuna has a high protein content, so it quickly experiences deterioration in quality if it is not handled properly. A tuna is a fish at the top trophic level in the food pyramid. This causes the accumulation of heavy metals in fish meat. The aim of this study was to identify the organoleptic quality and heavy metal content of mercury (Hg), lead (Pb), and cadmium (Cd) in tuna from steak from Denpasar. In this study, 14 tuna samples were used in the form of steaks. The tests carried out included organoleptic testing and testing for heavy metal contents of Hg, Pb, andCd in tuna (Thunnus sp.). Organoleptic testing refers to the SNI-2346-2015 method, with a scoring scale of 1-9. Testing for heavy metal content using Atomic Absorption Spectrophotometer (AAS); Hg refers to SNI 2354.6.2011, Pb and Cd refers to SNI 2354.5:2011. Based on the results of tests carried out on the organoleptic values of 14 samples of tuna products, the results obtained for the entire sample met the organoleptic quality requirements recommended by SNI 8271:2016. The average values of the test results for the heavy metals Hg, Pb, and Cd in the 14 tested tuna samples met the established food safety quality standards. Testing for heavy metals Hg, Pb, and Cd respectively showed an average value of 0.064 ppm; 0.07 ppm; and 0.023 ppm. [ABSTRACT FROM AUTHOR]

Ikan merupakan komoditas yang termasuk ke dalam kategori bahan pangan yang mudah rusak (high perishable food). Ikan tuna memiliki kandungan protein yang tinggi, sehingga cepat mengalami proses kemunduran mutu jika tidak ditangani dengan baik. Ikan tuna berada pada tingkat trofik paling atas di dalam piramida makanan. Hal ini yang menyebabkan adanya kemungkinan akumulasi logam berat pada daging ikan. Penelitian ini bertujuan untuk mengidentifikasi mutu organoleptik serta kandungan logam berat merkuri (Hg), timbel (Pb) dan kadmium (Cd) pada ikan tuna (Thunnus sp.) di Denpasar. Penelitian ini menggunakan 14 buah sampel ikan tuna bentuk steik. Pengujian yang dilakukan meliputi pengujian organoleptik dan pengujian kandungan logam berat Hg, Pb, Cd pada ikan tuna. Pengujian organoleptik mengacu pada metode SNI 8271:2016 dengan penskoran skala angka 1-9. Pengujian kandungan logam berat menggunakan Atomic Absorption Spectrophotometer (AAS) meliputi parameter logam Hg mengacu pada SNI 2354.6.2011, Pb dan Cd mengacu pada SNI 2354.5:2011. Berdasarkan hasil pengujian yang dilakukan terhadap nilai organoleptik pada 14 sampel produk tuna, diperoleh hasil keseluruhan sampel telah memenuhi persyaratan mutu organoleptik sesuai anjuran SNI 8271:2016. Rata-rata nilai hasil pengujian logam berat Hg, Pb, dan Cd pada 14 sampel ikan tuna yang diujikan telah memenuhi standar mutu keamanan pangan yang telah ditetapkan. Pengujian logam berat Hg, Pb, dan Cd masing-masing secara berurutan menunjukkan nilai rata-rata 0,064 ppm; 0,07 ppm; dan 0,023 ppm. [ABSTRACT FROM AUTHOR]

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