The content of heavy metal zink (Zn) in frozen escolar fish (Lepidocybium flavobrunneum)

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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Abstract

Escolar (Lepidocybium flavobrunneum) is mesopelagic fish and a common by catch in tuna long line fisheries. Entry of heavy metals into the aquatic environment can lead to accumulation of heavy metals in fish's organs. This study was aimed to analyse and evaluate the heavy metal content zinc (Zn) in body organs (gills and liver) and its meat, also to compare the levels of heavy metal zinc in escolar with weight of 4 kg, 8 kg and 12 kg. Atomic absorption spectrophotometry (AAS) was performed to measure the content of zinc in escolar. Statistical analysis was conducted using multivariate analysis. The results showed that content of zinc in liver from all weight categories were higher compared to its content in gills and meat. Based on total content, escolar with the weight of 12 kg showed higher level compared to the weight of 8 kg and 4 kg. This was also supported as statistical analysis showed that content of zinc in escolar was significantly by weight units (p 0.003). Furthermore, related to consumption, fisheries sector should consider catching the escolar with weight less than 12 kg as the content of metal is lower.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
EditorsRatna Yuniati, Terry Mart, Ivandini T. Anggraningrum, Djoko Triyono, Kiki A. Sugeng
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417410
DOIs
Publication statusPublished - 22 Oct 2018
Event3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017 - Bali, Indonesia
Duration: 26 Jul 201727 Jul 2017

Publication series

NameAIP Conference Proceedings
Volume2023
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference3rd International Symposium on Current Progress in Mathematics and Sciences 2017, ISCPMS 2017
Country/TerritoryIndonesia
CityBali
Period26/07/1727/07/17

Keywords

  • frozen escolar
  • gills
  • liver
  • meat
  • zinc

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