Green Tea: Antioxidant vs. Pro-Oxidant Activity
Green tea is one of the most consumed beverages globally. It is very popular due to its specific taste, energizing effect and some health benefits related mainly to the catechins content. Green tea catechins possess antioxidant, anticancer, anti-inflammatory and antimicrobial activity as well as red...
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| Format: | Article |
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MDPI AG
2025-05-01
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| Series: | Beverages |
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| Online Access: | https://www.mdpi.com/2306-5710/11/3/64 |
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| author | Stanila Stoeva Nadezhda Hvarchanova Kaloyan D. Georgiev Maya Radeva-Ilieva |
| author_facet | Stanila Stoeva Nadezhda Hvarchanova Kaloyan D. Georgiev Maya Radeva-Ilieva |
| author_sort | Stanila Stoeva |
| collection | DOAJ |
| description | Green tea is one of the most consumed beverages globally. It is very popular due to its specific taste, energizing effect and some health benefits related mainly to the catechins content. Green tea catechins possess antioxidant, anticancer, anti-inflammatory and antimicrobial activity as well as reduce body weight. One of the major and well-studied effects of green tea catechins is their antioxidant effect. However, long-term administration of high doses of antioxidants may result in a pro-oxidant effect and promote cell damage. Therefore, beneficial effects of green tea are directly related to the administered dose of catechins. But it should be noted that consumption of large quantities of green tea beverages or administration of high doses of green tea catechins does not guarantee health benefits and may even lead to adverse effects. This review provides a comprehensive overview of the current knowledge of the antioxidant and pro-oxidant activity of green tea catechins as well as research gaps that require further investigation. In conclusion, despite green tea antioxidant potential, further research is needed to fully understand the benefits and risks associated with the consumption of green tea beverages as well as green tea catechins in different forms and doses. |
| format | Article |
| id | doaj-art-f0e80f2295dc47a890e69422cf4ea607 |
| institution | Kabale University |
| issn | 2306-5710 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Beverages |
| spelling | doaj-art-f0e80f2295dc47a890e69422cf4ea6072025-08-20T03:26:10ZengMDPI AGBeverages2306-57102025-05-011136410.3390/beverages11030064Green Tea: Antioxidant vs. Pro-Oxidant ActivityStanila Stoeva0Nadezhda Hvarchanova1Kaloyan D. Georgiev2Maya Radeva-Ilieva3Department of Pharmacology, Toxicology and Pharmacotherapy, Faculty of Pharmacy, Medical University—Varna, 84 “Tsar Osvoboditel” Blvd., 9000 Varna, BulgariaDepartment of Pharmacology, Toxicology and Pharmacotherapy, Faculty of Pharmacy, Medical University—Varna, 84 “Tsar Osvoboditel” Blvd., 9000 Varna, BulgariaDepartment of Pharmacology, Toxicology and Pharmacotherapy, Faculty of Pharmacy, Medical University—Varna, 84 “Tsar Osvoboditel” Blvd., 9000 Varna, BulgariaDepartment of Pharmacology, Toxicology and Pharmacotherapy, Faculty of Pharmacy, Medical University—Varna, 84 “Tsar Osvoboditel” Blvd., 9000 Varna, BulgariaGreen tea is one of the most consumed beverages globally. It is very popular due to its specific taste, energizing effect and some health benefits related mainly to the catechins content. Green tea catechins possess antioxidant, anticancer, anti-inflammatory and antimicrobial activity as well as reduce body weight. One of the major and well-studied effects of green tea catechins is their antioxidant effect. However, long-term administration of high doses of antioxidants may result in a pro-oxidant effect and promote cell damage. Therefore, beneficial effects of green tea are directly related to the administered dose of catechins. But it should be noted that consumption of large quantities of green tea beverages or administration of high doses of green tea catechins does not guarantee health benefits and may even lead to adverse effects. This review provides a comprehensive overview of the current knowledge of the antioxidant and pro-oxidant activity of green tea catechins as well as research gaps that require further investigation. In conclusion, despite green tea antioxidant potential, further research is needed to fully understand the benefits and risks associated with the consumption of green tea beverages as well as green tea catechins in different forms and doses.https://www.mdpi.com/2306-5710/11/3/64green teacatechinsepigallocatechin-3-gallateantioxidantpro-oxidanthepatotoxicity |
| spellingShingle | Stanila Stoeva Nadezhda Hvarchanova Kaloyan D. Georgiev Maya Radeva-Ilieva Green Tea: Antioxidant vs. Pro-Oxidant Activity Beverages green tea catechins epigallocatechin-3-gallate antioxidant pro-oxidant hepatotoxicity |
| title | Green Tea: Antioxidant vs. Pro-Oxidant Activity |
| title_full | Green Tea: Antioxidant vs. Pro-Oxidant Activity |
| title_fullStr | Green Tea: Antioxidant vs. Pro-Oxidant Activity |
| title_full_unstemmed | Green Tea: Antioxidant vs. Pro-Oxidant Activity |
| title_short | Green Tea: Antioxidant vs. Pro-Oxidant Activity |
| title_sort | green tea antioxidant vs pro oxidant activity |
| topic | green tea catechins epigallocatechin-3-gallate antioxidant pro-oxidant hepatotoxicity |
| url | https://www.mdpi.com/2306-5710/11/3/64 |
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