A research have been performed concerning about phenolic total and antioxidant activity for tea leaf from Kayu Aro and product black tea by using spectrophotometry of UV-Vis. The examination concentration of phenolic total for tea were 62,085 mg/g and to product black tea 46,718 mg/g. And antioxidant activity which performed on extract tea IC 50 43,308 µg/mL and for products black tea 64,259 µg/mL. Antioxidant activity to gallic acid is IC 50 7,473 µg/mL from DPPH method. Keywords : Phenolic

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... antioxidant, tea leaf, spectrophotometry of UV-Vis. timbangan analitik, botol maserasi, tabung reaksi, gelas ukur dengan berbagai ukuran, corong, cawan penguap, krus porselen, kaca arloji, pipet mikro, pipet gondok, batang pengaduk, plat tetes, pipet tetes, gegep, spatel, Kertas saring Whatman No. 1, vial, aluminium foil, botol coklat, labu ukur dengan berbagai ukuran, beaker glass, erlenmeyer. Bahan Bahan-bahan yang digunakan adalah daun teh dan produknya yaitu teh hitam seduhan yang beredar dipasaran, aquadest, etanol 70 %,