date:Mar 07, 2019
the content of EGCG in tea. The results showed that the content of ECGC in green tea boiled in boiling tap water dropped sharply, compared with the content of ECGC in green tea brewed in bottled water, which was twice that of the former.
Researchers believe that bottled water can retain more antioxidants when boiling green tea because it filters out calcium, magnesium and iron in tap water.