The aim of the publication was to determine the antioxidant activity of high-quality black teas from selected crops in India. Nepal. Rwanda and Turkey purchased on the e-commerce market. The color parameters were also marked in the CIE L*a*b* system and compared to the total polyphenols content. https://www.alarecre.com/Virescent-Harmony-Galaxy-A14-5G-Clear-Case-p106336/