Article ; Online: Anti-Cancer Effects of Green Tea Epigallocatchin-3-Gallate and Coffee Chlorogenic Acid.
Molecules (Basel, Switzerland)
2020 Volume 25, Issue 19
Abstract: ... chlorogenic acid (CGA) are the major components of green tea polyphenols and coffee polyphenols, respectively, and ... animal experiments have provided convincing evidence to support the anti-cancer effects of green tea, coffee, EGCG ... the mechanism to cause such differences between green tea and coffee. ...
| Abstract | Tea and coffee are consumed worldwide and epidemiological and clinical studies have shown their health beneficial effects, including anti-cancer effects. Epigallocatechin gallate (EGCG) and chlorogenic acid (CGA) are the major components of green tea polyphenols and coffee polyphenols, respectively, and believed to be responsible for most of these effects. Although a large number of cell-based and animal experiments have provided convincing evidence to support the anti-cancer effects of green tea, coffee, EGCG, and CGA, human studies are still controversial and some studies have suggested even an increased risk for certain types of cancers such as esophageal and gynecological cancers with green tea consumption and bladder and lung cancers with coffee consumption. The reason for these inconsistent results may have been arisen from various confounding factors. Cell-based and animal studies have proposed several mechanisms whereby EGCG and CGA exert their anti-cancer effects. These components appear to share the common mechanisms, among which one related to reactive oxygen species is perhaps the most attractive. Meanwhile, EGCG and CGA have also different target molecules which might explain the site-specific differences of anti-cancer effects found in human studies. Further studies will be necessary to clarify what is the mechanism to cause such differences between green tea and coffee. |
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| MeSH term(s) | Animals ; Antineoplastic Agents, Phytogenic/chemistry ; Antineoplastic Agents, Phytogenic/therapeutic use ; Antioxidants/chemistry ; Antioxidants/therapeutic use ; Catechin/analogs & derivatives ; Catechin/chemistry ; Catechin/therapeutic use ; Chlorogenic Acid/chemistry ; Chlorogenic Acid/therapeutic use ; Coffee/chemistry ; Humans ; Neoplasms/drug therapy ; Neoplasms/metabolism ; Neoplasms/pathology ; Tea/chemistry |
| Chemical Substances | Antineoplastic Agents, Phytogenic ; Antioxidants ; Coffee ; Tea ; Chlorogenic Acid (318ADP12RI) ; Catechin (8R1V1STN48) ; epigallocatechin gallate (BQM438CTEL) |
| Keywords | covid19 |
| Language | English |
| Publishing date | 2020-10-05 |
| Publishing country | Switzerland |
| Document type | Journal Article ; Review |
| ZDB-ID | 1413402-0 |
| ISSN | 1420-3049 ; 1431-5165 ; 1420-3049 |
| ISSN (online) | 1420-3049 |
| ISSN | 1431-5165 ; 1420-3049 |
| DOI | 10.3390/molecules25194553 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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