Antioxidants prevent the damage caused by Triclosan used extensively in several personal hygiene products such as soaps, toothpaste, and deodorants. IIT Hyderabad researchers have found this finding in a study published in the journal Toxicology.
‘Eating more antioxidant-rich foods protects us from chemicals like Triclosan.’
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Triclosan is an antimicrobial chemical extensively used to extend the shelf life of consumer products since its development in the 1960s. It can also cause neurotoxic effects even in quantities 500 times below approved levels.COVID-19 pandemic has prompted even increased use of such antimicrobial compounds. Triclosan came under the spotlight when its presence was detected in human urine, blood, and even milk due to heavy and indiscriminate use.
These findings prompted scientists to explore the negative effect of Triclosan on humans. Even after several studies, the mode of action of Triclosan at the cellular level is still unclear.
In the past, their research work has demonstrated that zebrafish (vertebrate animal) can be used as a human mimetic to explore the effects of Triclosan.
In the new study, Triclosan inhibited purified acetylcholinesterase in a test tube, albeit at high concentrations. However, Triclosan at lower concentrations induced oxidative stress in the brain, which inhibited acetylcholinesterase.
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Researchers also revealed that acetylcholinesterase can be protected from the harmful effects of Triclosan by the use of antioxidants. When pretreated with melatonin (an antioxidant), the zebrafish did not show a severe decline in acetylcholinesterase activity upon triclosan exposure.
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However, larger-scale studies especially involving humans would give a better picture of the toxic effect of Triclosan on humans.
Source-Medindia