Antioxidant Activity of  Syzygium polyanthum  Extracts

Mutia Devi Hidayati; Taslim Ersam; Kuniyoshi Shimizu; Sri Fatmawati

doi:10.22146/ijc.23545

Antioxidant Activity of Syzygium polyanthum Extracts

https://doi.org/10.22146/ijc.23545

Mutia Devi Hidayati⁽¹⁾, Taslim Ersam⁽²⁾, Kuniyoshi Shimizu⁽³⁾, Sri Fatmawati^(4*)

(1) Department of Chemistry, Sepuluh Nopember Institute of Technology (ITS), Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111
(2) Department of Chemistry, Sepuluh Nopember Institute of Technology (ITS), Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111
(3) Department of Agro-environmental Science, Faculty of Agriculture, Kyushu University, Fukuoka, 812-8581
(4) Department of Chemistry, Sepuluh Nopember Institute of Technology (ITS), Jl. Arief Rahman Hakim, Sukolilo, Surabaya 60111
(*) Corresponding Author

Abstract

Antioxidant activities of Syzygium polyanthum leaves extracts (methanol, ethyl acetate, dichloromethane and n-hexane) were evaluated by using DPPH (2,2-diphenyl-2-picrylhydrazyl) and ABTS (2,2’-azinobis (3-ethylbenzothiazole-6-sulfonic acid) methods. The methanol extract showed the highest antioxidant activity of DPPH assay among extract with IC₅₀ value of 44.35 mg/mL. In addition, methanol extract also showed the highest antioxidant activity of ABTS assay among extracts with IC₅₀ value of 17.69 mg/mL. This study indicated that the methanol extract of S. polyanthum leaves is potential as antioxidant.

Keywords

antioxidant activity; DPPH; ABTS; Syzygium polyanthum; salam leaves

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