Investigation of Heavy metals accumulation in...

Investigation of Heavy metals accumulation in plants and soil around the industrial area of Thrissur

Author Name : Neetha Jose, C. R Lalitha

ABSTRACT

This study investigated the accumulation of heavymetals like As,Pb, Cd andHg by plants and soil occurred around the industrial areaof Thrissur. Plants involved in this studies wereHygrophila angustifolia, Alternanthera tenella, Lagenandra toxicaria and Peperomia pellucida . The concentration of metals in root, shoot and leaf were varies across the plant species and the plant parts.Hg was not reported in both  plant species and soil. The observed metallic levels in plants werenot within  the FAO/WHO limit guideline values for heavy metal  levels in food.  But in soil , heavy metal content was within the permissible limits  recommanded by World Health Organization (WHO).

Key words:-Heavy metals,As,Pb, Cd, Hg,Hygrophila angustifolia,Alternanthera tenella, Lagenandra toxicaria , Peperomia pellucida, FAO/WHO