Antioxidant Activity from SyzygiumCumini (L.) Skeels

Abstract

Jamblang (Syzygiumcumini (L.) skeels) is a local Indonesian plant that has many benefits but is not cultivated and utilized. The part of jamlang which has a lot of benefits is jamblang fruit peel. Some of the compounds contained in the jamblang fruit peel include high antioxidants. This study was conducted to determine the antioxidant activity of jamblang (Syzygiumcumini (L.) skeels) rind. Extraction was carried out using maceration method with 96% ethanol solvent, and separated by extract with solvent using a rotary evaporator. Extracts obtained were tested for secondary metabolites and flavonoid positive. Quantitative antioxidant activity testing was measured using a UV-VIS spectrophotometer at a wavelength of 516 nm with standard IC50 and vitamin C values used as a comparison. The results of measurements using UV-VIS spectrophotometer obtained IC50 values of jamblang rind extract and vitamin C were 4.33 ppm and 7.53 ppm respectively. Based on the IC50 value, it can be concluded that there is a very strong antioxidant activity in the jamblang fruit peel.