Perera,K M K GSoysa,P2025-02-262025-02-262018-05https://dr.ichemc.ac.lk/handle/123456789/354page 27 Technical Sessions : A - 19Camellia sinensis is one of the most commonly consumed drinks in the world. It has many beneficial health effects associated with our day to day life. Tea polyphenols are responsible for antioxidant activity and health benefits. T he phytochemicals composition of tea may vary with the geographical area.enantioxidant activitypolyphenolsfannins grade green tea (Camelia sinensis)geographical elevationVariation of antioxidant activity and the extraction kinetics of polyphenols of fannins grade green tea (Camelia sinensis) with geographical elevationArticle