Dilhan, R.M.T.; Ranatunga, M.A.B.; Thirukkumaran, G.
(University of Jaffna, 2020)
Tea is an ancient and popular beverage. It has various merits for human health
such as antibacterial, antiviral, diuretic, and anti-carcinogenic effects. Tea has
been consumed in the world such as green, black, yellow, ...