Abstract—This current research aims to determine the potential of lipid peroxidation as a biomarker for environmental water pollution. Post-hoc multiple comparisons between sites, flow regimes and tissues were made using least significant difference test (LSD) to determine which values differed significantly. Results of the TBARS assay on the acute exposures in the field and in the lab showed that after 24, 48 and 72 hrs. exposure, clams from both sites showed higher MDA levels in the digestive gland and gills during the low flow period than in the high flow period .The laboratory control clams showed progressive decline in MDA levels in low flow clams while the high flow clams showed relatively no change in the MDA levels. Most marked was the significant rise in the MDA levels of low flow clams of Site 1 after 72 hrs exposure in the field.  Digestive glands were more sensitive to change in the levels of lipid peroxidation compared to gill tissues. The results suggest that lipid peroxidation levels can be a good bioindicator of pollution which in this study is inherent characteristic of Site 1 especially during the low period.
 
Index Terms—Lipid peroxidation, malondialdehyde, biomarker, gills, digestive gland.

Cite: Reiza Irinco-Salinas and Glorina N. Pocsidio, "Lipid Peroxidation as a Biomarker of Field Exposure in the Gills and Digestive Gland of the Freshwater Bivalve Batissa Violaceae Lamarck," Journal of Medical and Bioengineering, Vol. 3, No. 3, pp. 207-211, September 2014. Doi: 10.12720/jomb.3.3.207-211