In this study, 12 trace elements were measured in the shell and muscles of two species of marine and farmed Jinga shrimp Metapenaeus ensis and Litopenaeus vannamei in the Persian Gulf zone. For this purpose, the instrumental neutron activation analysis (INAA) and gamma- ray spectrometry was used. The Isfahan Miniature Neutron Source Reactor (MNSR) as the source of thermal neutrons and high purity germanium (HPGe) detector for gamma-ray spectrometry were used. The aim of this study was to determine useful and unnecessary elements in farmed and marine shrimps in Persian Gulf region. The results show that the concentrations of aluminum, calcium, magnesium, manganese, bromine, and scandium in the shell samples are significantly higher than in the muscles samples. Also, shrimp muscles are a good source of useful elements such as zinc, magnesium, and manganese. And the amount of arsenic and aluminum in it is negligible.
