Puji Astuti(1*), Subagus Wahyuono(2), Sri Sudewi(3)

(1) Faculty of Pharmacy, Universitas Gadjah Mada
(2) Faculty of Pharmacy, Universitas Gadjah Mada
(3) Department of Pharmacy, University Sam Ratulangi
(*) Corresponding Author


The presence of free radicals produced inside the cells is thought to cause a range of diseases such as degenerative diseases. Antioxidant properties of carrot root (Daucus carota L.) have been reported elsewhere to inhibit the formation of these free radicals, but the compounds responsible for antioxidant activity inside its leaves have not yet determined. In Indonesia, Daucus carota L. leaves are regarded as waste product after harvesting the root. This study was conducted to isolate and identify the compound having antioxidant activity from the leaves of D.carota. n-Hexane, ethyl acetate, and methanol extracts were examined for free radical scavenger activity by using DPPH method. The n-hexane extract showing free radical scavenger activity was solid-solvent partitioned, fractionated using vacuum liquid chromatography and tested for free radical scavenger activities. The active compound was isolated by using preparative thin layer chromatography and its purity was determined by TLC with three mobile phase systems and two dimensional TLC. Based on spectroscopy UV-Vis, IR as well as 1H-NMR (CDC13) data, the active compound was suggested to be xanthophyll derivate, lutein. The compound at concentration of 0.616, 1.025, and 2.05 ppm had antioxidant activities of 0.94 ± 0.05; 18.53 ± 0.15; and 49.07 ± 0.86, respectively.


Leaves, D.carota, antioxidant, free radical

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