Department of Community Medicine;
University of Nigeria;
Enugu Campus;
Nigeria;
Plastic Production Unit;
Scientific Equipment Development Institute;
Akwuke;
Nigeria;
Chemical Engineering Department;
Nnamdi Azikiwe University;
Awka;
Nigeria;
Department of Geological Sciences;
Nnamdi Azikiwe University;
Awka;
Nigeria;
Department of Scientific and Industrial Research;
National Research Institute for Chemical Technology;
Zaria;
Nigeria;
Cucumis sativus L.; Solanum aethiopicum L.; Phytochemicals and Heavy Met-als; North Central Region and South Eastern Region;