Potential effects of tea and its constituents on SARS-CoV-2 infection were assessed in vitro. Infectivity was decreased to 1/100 undetectable levels after a treatment with black tea, green roasted or oolong for 1 min. An addition (−) epigallocatechin gallate (EGCG) significantly inactivated SARS-CoV-2, while the same concentration theasinensin A (TSA) galloylated theaflavins including theaflavi...

Black tea has a lower antioxidant capacity than other teas, such as green tea, white and oolong tea. Tannase tyrosinase can be used treatment to improve the quality of black infusion. been reported an effective way enhance activity in Meanwhile, could produce higher theaflavin content thearubigin. Research about Ready-to-Drink (RTD) preparation with addition tannase fresh leaves before pasteuri...

Recently emerging pandemic SARS CoV-2 conquered our world since December 2019. Continuous efforts have been done to find out effective immunization and precise treatment stetratigies A way from therapeutic options that were tried in CoV-2, an increased attention is directed predict natural products mainly phytochemicals as collaborative measures for this crisis. In review, most of the mentioned...

ABSTRACT Methicillin-Resistant Staphylococcus aureus (MRSA) is a hypervirulent multidrug- resistant bacteria. It spreading around the globe and starting to be global health problem. causes bacteremia, infective endocarditis, bloodstream infection. PBP2a protein responsible for MRSA’s resistance antibiotics, especially beta-lactams. Tea contains bioactive compounds such as polyphenols. known hav...