| Article Details : |
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| | | Article Name : | | | Lipid peroxidation products in fry of Labeo rohita
and Cyprinus carpio on exposure to sub lethal
cadmium: A comparative study | | Author Name : | | | SURYA KUMARI VADLAMANI, CHARAN KUMAR BASURI, PRABHAKARA RAO YALLAPRAGADA1 | | Publisher : | | | Bridge Center | | Article URL : |  | | | Abstract : | | | Lipid peroxidation is one of the several physiological
mechanisms of the organism by which reactive oxygen species (ROS)
may be released which is toxic to cells and tissues. In general, the
formation of lipid peroxidation products in tissues may infer the extent
of oxidative damage and decline in anti-oxidant defense mechanism.
In the present investigation, lipid peroxidation products were
measured by determining the malondialdehyde (MDA) concentrations
in the tissues of control and exposed fry of Labeo rohita and Cyprinus
carpio. The fish fry were exposed to their sub lethal concentration of
cadmium (1/5th of 96hrs LC50 i.e., 0.1998ppm for Labeo rohita fry and
4.98ppm for Cyprinus carpio fry respectively) for a period of 20days.
Parallel controls were maintained without metal toxicant throughout
the experimental period. Samples were collected both from control and
exposed fish fry of each species at intervals of 24hrs, 48hrs, 96hrs,
10days and 20days for the estimation of lipid peroxidation products. A maximum amount of lipid peroxidation products was observed at 20
days exposure (3.01n moles of MDA/gm wt of the tissue in Labeo
rohita fry and 2.7029 n moles of MDA/gm wt of the tissues in
Cyprinus carpio fry). From the data, it was known that more amount
of the lipid peroxidation products are found in the fry of Labeo rohita
exposed to cadmium than in the fry of Cyprinus carpio indicating the
fry of Labeo rohita is more sensitive than Cyprinus carpio. | | Keywords : | | | Lipid peroxidation, malondialdehyde (MDA,) fish fry,
cadmium, MDA. |
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