EGCG in green tea could protect against COVID

Could enjoying a cup of green tea help protect you from COVID? Sounds incredible, but it’s not impossible. And, by the way, you may want to enjoy a square of dark chocolate with that.

Flavonoids from dark chocolate, green tea and grapes inhibit the SARS-CoV-2 virus that causes COVID. These extracts contain flavonoids that block the ability of SARS-CoV-2 virus to utilize an enzyme it uses to replicate and assemble itself.

These results are based on computer modelling and lab studies and have not yet been studied in humans. But these studies offer the hope that these and other flavonoid-rich extracts might be beneficial for COVID.

While dark chocolate extract is effective, green tea extract is actually twice as effective (Front Plant Sci 30 November

Epigallocatechin-3-gallate (EGCG) is a major component in green tea. It has shown an ability in vitro to block entry of the SARS-CoV-2 virus by inhibiting the spike’s interaction with receptors and to inhibit virus infection (J Gen Virol 2021 04 ;102(4). Another new in vitro study also found EGCG to have potent antiviral activity against SARS-CoV-2 (J Agric Food Chem 2021 Jun 2;69(21):5948-5954).

All of this promise makes EGCG from green tea an interesting candidate for further research for COVID.

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