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Fraksinasi dan Identifikasi Senyawa Antioksidan path Ekstrak Etanol buah Goji berry (Lycium barbctrum Linn.) secara Kromatografi Kolom { Fractionation and Identification of Antioxidant Compounds in Ethanol Extracts of Goji berry fruit (Lycium barbarum Linn.) in Column Chromatography}

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Goji berry fruit (Lycium barbarum), familia Solanaceae, is a red berry fruit. The chemical compounds contained in this fruit are polysaccharides, zeaxan thin and beta-carotene. Activity of the chemical compounds is still considered as a family of antioxidant compounds, which are used as a medicine to cure the diseases caused by the presence of free radicals such as atherosclerosis, cancer, liver cirrhosis, hypertension and diabetes. The research will be carried on fractionation and identification of the ethanol extract of Goji berry fruit to obtain compounds that have antioxidant power using chromatographic column method and DPPH method. The isolated compounds will be identified using methods phytochemicals screening, TLC, UV-Vis spectrophotometer and infrared spectrophotometer. The result showed that secondary metabolites of Goji berry fruit which are potential as antioxidant compound were flavonoid (flavonols or flavones). The isolated compound had higher antioxidant activity compare to the ethanol extract of Goji berry fruit. Flavonoids are the major compounds that have antioxidant capacity. Whereas, the ethanol fraction of Goji berry fruits has the best antioxidant activity than the ethanol extract.Key word : Antioxidant, Goji berry, DPPH and chromatographic column

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Jurnal Farmasi SAINS dan Terapan. 1 (1) 2013 : 31-

Publisher

Surabaya : Jurnal Farmasi SAINS dan Terapan, Univ. Katolik Mandala Surabaya., 2013

Collation

4p

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2338-8404

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Subject(s)

antioxidants
-ETHANOL

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