Pollution Research Paper

Vol 39, Issue 3, 2020; Page No.(669-672 )

EVALUATION OF HEAVY METAL CONTENTS AND ITS NOXIOUS EFFECTS ON BIOCHEMICAL CONSTITUENTS OF PENAEUS MONODON (FABRICIUS, 1798) OF ASHTAMUDI LAKE, KERALA, SOUTH INDIA

LEKSHMI PRIYA V. AND E. SHERLY WILLIAMS

Abstract

Penaeus monodons were collected from three sites of Ashtamudi Lake for one year. Elemental analysis of Cadmium, Chromium, Copper, Lead and Zinc were done in the muscle samples of Penaeus monodon as described by APHA. Biochemical constituents such as carbohydrate, protein fat, moisture and ash contents were analyzed in tissues using standard methods. Significant differences between heavy metals concentrations and biochemical constituents of the candidate species from various sites, determined using One- Way analysis of variance (ANOVA) followed by Fisher’s LSD post hoc test. The results revealed that samples collected from polluted sites have more heavy metal contents when compared with the reference site. Due to the noxious effects of heavy metals, significant reduction in the biochemical constituents has been analyzed in the samples collected from the polluted sites.

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