Therefore, treatment options are replaced
with a second or third choice of antibiotics, which are much more
expensive.9 These challenges have been receiving growing interest
to find alternative antimicrobial agents from plant extracts that
need to be developed and used to control multidrug-resistant
bacteria.3,10,11 Camellia sinensis is one of the most popular beverages
in the world, and has been reported to have antimicrobial effects
against various pathogenic bacteria.6,10,12e24 Tea can be
cultivated in many regions from sea level to high mountains.