Green tea, derived from the Camellia sinensis plant, has been prized throughout history for its potential medicinal properties. It has been shown to contain polyphenols, such as flavones and flavonoids, which possess antioxidant properties and may benefit cardiovascular health and protect against neurological diseases. Chemical compounds in green tea are identified using qualitative and quantitative techniques. This descriptive and comparative study analyzed three green tea samples collected at a licensed shopping center in Lima, Peru. A qualitative method called phytochemical screening was used, which allowed identifying the presence of secondary metabolites such as flavonoids, alkaloids, phenols and tannins. Likewise, the results of the present research were compared to the results of green tea samples collected in Cusco (Peru) and Kano (Nigueria), referenced by previous studies using ...