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All Journal Indonesian Journal of Chemical Science and Technology
Sumiati Nainggolan
Chemistry Department, Faculty of Mathematics and Sciences, Medan State University, Medan
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology

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Journal : Indonesian Journal of Chemical Science and Technology

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ANTIOXIDANT ACTIVITY TEST of SIJUKKOT (Lactuca indica L.) LEAVES EXTRACT LEAF Sumiati Nainggolan; Ida Duma Riris
Indonesian Journal of Chemical Science and Technology (IJCST) Vol 3, No 2 (2020): July 2020
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ijcst.v3i2.19526

Abstract

Has been investigated the antioxidant activity of  sijukkot ( Lactuca indica L.) The antioxidant activity was tested by capturing 2,2’-diphenyl-picrylhydrazyl (DPPH) free radical method and Vitamin C as a standard of comparison, to absorption using UV-Vis  spectrophotometry at a wavelength of 517nm. The data obtained were analyzed using the SPSS for windows, resulting in a value of y = 0.2036x + 30.35 for sijukkot extract and y = 29.625x - 73.664 for vitamin C. It was found the leaves have an antioxidant site with 96,51 ppm through IC50 test 4,17 ppm which used Vitamin C as a control. 
Co-Authors Ida Duma Riris