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Tea and human health: the dark shadows
Aditi Jain1, Chanchal Manghani, Shrey Kohli
1Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector-62, Noida 201307, Uttar Pradesh, India.
Toxicology Letters
|April 26, 2013
Summary
Tea contains beneficial flavonoids, but excessive consumption can lead to toxicity. This review explores the less-studied harmful effects and potential health risks associated with tea consumption.
Area of Science:
- Food Science
- Toxicology
- Nutritional Science
Background:
- Tea is a widely consumed beverage with diverse varieties.
- Tea's health benefits are linked to flavonoids, known for antioxidant and antimutagenic properties.
- Potential detrimental effects of excessive flavonoid intake are less understood.
Purpose of the Study:
- To review the less-documented toxicities of tea.
- To summarize the harmful health effects of excessive tea consumption.
Main Methods:
- Literature review of existing studies on tea toxicity.
- Analysis of research on flavonoid-induced adverse health outcomes.
Main Results:
- Excessive intake of tea flavonoids can induce toxicity.
- Flavonoid toxicity may result from reactive oxygen species formation.
- Potential damage to DNA and lipid membranes is a concern.
Conclusions:
- While tea offers health benefits, understanding its toxicity is crucial.
- Further research is needed on the adverse effects of high tea consumption.
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