Pengujian mutu organoleptik dan logam berat merkuri, timbal, kadmium ikan tuna bentuk steik di Denpasar Organoleptic and heavy metal of mercury, lead, cadmium testing from tuna (Thunnus sp.) steak in Denpasar
Abstract
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.
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