Heavy metals composition of foods is of immense interest because of its essential or toxic nature. In view of this, we determined concentrations of select heavy metals from food items such as, potato chips and biscuits that were obtained from Nagpur City, India. The present study revealed preferred digestion method for different heavy metal recovery. The accumulation trend for Potato chips was in following order Fe > Al > Zn > Ni > Cu > Mn > Co > Cr > Pb and Cd, while for Biscuits it was Al > Fe > Zn > Ni > Mn > Co > Cr > Pb > Cu and Cd.
Accidents during marine transport and offshore production facilities often are responsible for oil spills in the open sea. In few cases, these oil slicks drift towards the shore and further into the estuaries, which serve as an important spawning and nursing grounds for many fish species. This study examined the role of salinity in the uptake and accumulation of toxic PAH from crude oil in select somatic and reproductive organs of Tilapia mossambica. Our results showed significantly (ANOVA, p < 0.01) lower PAH solubility in higher salinity waters and its uptake by fish. The differences were largest with the low molecular weight (LMW) two (naphthalenes) and three (phenanthrene) ring compounds as compared with higher molecular weight (HMW) compounds such as pyrene (four ringed).
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