Bio-concentration of macro and trace minerals in four prawns living in Lagos Lagoon
2000
Adeyeye, E.I. (Ado-Ekiti Univ. (Nigeria). Dept. of Chemistry)
Mineral levels of trace (Cd, Zn, Ni, Fe, Cu and Co) and macro (Ca, Mg, Na, K and P) were determined in four prawns: Macrobrachium vollenhovenii, Palaemon species A, Penaeus notialis and Penaeus kerathurus in the Lagos lagoon water in Epe area of Lagos State, Nigeria. The levels of Cd, Zn, Ni, Fe, Cu, Na, and P were higher in prawn samples than in water while Mg was more concentrated in water but Co was not detected in water. There was evidence of mineral bioconcentration in all the samples. Individual prawn mineral concentration followed the following patterns: M vollenhovenii P notialis P species A P kerathurus (for trace minerals) and P kerathurus P notialis P species A M vollenhovenii for macrominerals suggesting that mineral concentration may be a factor of size and species.
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