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Why plant extract decreases the level of MDA which was increased as a result of cadmium toxicity in Tilapia? 


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Plant extracts like Catharanthus roseus (CR) and Withania somnifera have shown the ability to decrease malondialdehyde (MDA) levels, which increase due to cadmium toxicity in Tilapia. CR extract was found to reduce MDA concentrations in the kidney and liver of rats exposed to cadmium, indicating its antioxidant potential . Similarly, dietary supplementation of W. somnifera extract in Nile tilapia exposed to cadmium chloride led to a reduction in MDA levels, demonstrating its protective effects against cadmium-induced toxicity . These plant extracts contain bioactive compounds that scavenge reactive oxygen species (ROS) generated by cadmium, thereby reducing oxidative stress and lipid peroxidation, ultimately lowering MDA levels in the tissues of Tilapia.

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Plant extract decreases MDA levels due to cadmium toxicity in Tilapia by providing antioxidants that counteract oxidative stress, aiding in repairing testicular damage caused by cadmium exposure.
Dietary supplementation with Moringa oleifera leaf extract reduces MDA levels by enhancing antioxidant activity, counteracting oxidative stress caused by sub-lethal fipronil toxicity in Nile tilapia.
The plant extract inhibits MDA increase caused by oxidative stress, indicating potential antioxidant properties that counteract cellular damage induced by cadmium toxicity in Tilapia.
The plant extract decreases MDA levels by enhancing antioxidant activities of CAT and SOD, reducing oxidative stress caused by cadmium toxicity in Tilapia, as shown in the study.
Plant extract decreases MDA levels by acting as an antioxidant against ROS-induced lipid peroxidation caused by cadmium toxicity in Tilapia, as shown in rat models with Catharanthus roseus extract.

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Amelioration of SOD, CAT, GPx levels affected by cadmium in liver of fish by plant extracts4 answersPlant extracts have shown potential in ameliorating the levels of antioxidant enzymes like Superoxide Dismutase (SOD), Catalase (CAT), and Glutathione Peroxidase (GPx) affected by cadmium in the liver of fish. Studies have demonstrated that exposure to cadmium leads to oxidative stress and a decrease in the activity of these antioxidant enzymes in fish liver. However, plant extracts such as Catharanthus roseus (CR) extract and Punica granatum flower extract (PG) have been found to have protective effects against cadmium-induced liver damage by enhancing the activity of SOD, CAT, and GPx. These extracts have shown the ability to counteract the oxidative damage caused by cadmium exposure, thereby potentially restoring the levels of these crucial antioxidant enzymes in the liver of fish.
What are the recent papers on heavy metal contamination in tilapia fish in Bangladesh?5 answersHeavy metal contamination in tilapia fish in Bangladesh has been the focus of recent research. Studies have found that fish samples from various regions in Bangladesh, including urban, peri-urban, rural areas, and the Dhaleswari River, have shown high levels of heavy metal contamination. The heavy metals detected in these fish samples include chromium (Cr), cadmium (Cd), lead (Pb), and zinc (Zn). The concentrations of these heavy metals in fish have been found to exceed the maximum allowable levels set by international organizations such as the Food and Agriculture Organization (FAO) and the World Health Organization (WHO). This indicates a potential health risk for humans consuming contaminated tilapia fish in Bangladesh. The bioaccumulation factors (BAFs) of these heavy metals in fish have also been found to be high, indicating a high potential for these metals to accumulate in fish tissues. Continuous consumption of contaminated fish from these areas may lead to serious health complications.
What are the results of research done on the concentration of Pb in Tilapia zilli?5 answersResearch on the concentration of Pb in Tilapia zilli revealed that the fish accumulated heavy metals, including Pb, in their tissues. The concentration of Pb in the effluents from Agbara Industrial Estate treatment plant was found to be above the permissible level of discharge. In the liver and gills of Tilapia zilli collected from Kafinchiri water Reservoir, the accumulation of Pb was detected, with concentrations ranging from 2.7μg/g to 9.6μg/g in the liver. In the downstream liquid habitat of Tenggang river, where the accumulation of HMs was higher, T. Zilli showed higher induction of metallothioneins (MTs) in the liver, indicating the accumulation of Pb. In the Farfazai pond in Kano city, Nigeria, the gills of Tilapia zilli contained higher concentrations of Pb ions compared to the pond water samples. Overall, these studies demonstrate that Tilapia zilli can accumulate Pb in their tissues, indicating the potential health risks associated with consuming fish from polluted bodies of water.

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