VALENSI
Jurnal Valensi Volume 3, No.2, November 2013

Uji Aktivitas Senyawa Antioksidan dari Ekstrak Metanol Kulit Pisang Raja (Musa paradisiaca Sapientum)

Elfira Rosa Pane (Tadris Biologi Fakultas Tarbiyah IAIN Raden Fatah Jln. KH. Zainal Abidin Fikry Km 3,5 Palembang 30126)



Article Info

Publish Date
07 Nov 2013

Abstract

AbstrakTelah dilakukan penelitian uji aktivitas senyawa antioksidan dari ekstrak metanol kulit pisang raja (Musa paradisiaca Sapientum). Ekstraksi dilakukan dengan cara maserasi menggunakan pelarut metanol. Ekstraksi bertingkat dilakukan terhadap ekstrak metanol dengan n-heksan dan etil asetat. Dari uji fitokimia terhadap fraksi metanol menunjukkan positif flavonoid. Pengujian aktifitas antioksidan dilakukan dengan reaksi oksidasi asam linoleat dengan metoda feritiosianat (FTC) 0,05%. Sebagai standar antioksidan digunakan Butil hidroksianisol (BHA). Hasil penelitian ini menunjukkan ekstrak metanol, fraksi n-heksan dan etil asetat memiliki aktifitas antioksidan yang tidak jauh berbeda dengan BHA. Sedangkan fraksi etil asetat memiliki aktifitas antioksidan yang lebih tinggi daripada BHA.Kata kunci : antioksidan, feritiosianat, Musa paradisiaca SapientumAbstractA research has been done to evaluate the antioxidant activity of metanol extract Musa paradisiaca Sapientum peel’s. Maseration technique was used to get the extract using metanol as solvent. The metanol extract of the peel was re-extracted by solvents into n-hexan and ethyl acetate fractions. Phytochemical screening of metanol extract showed positive flavonoid. The antioxidant activities were tested by using ferric thiocyanate method 0,05% (FTC) on linoleic acid and buthyl hydroxyanisole (BHA) as antioxidant standard. Metanol extract, n-hexan and ethyl acetate fraction exhibited antioxidative activity that was not significantly different from BHA, on the other hand, the ethyl acetate fraction exhibited significant antioxidative activity, which is better than BHA.Keywords : antioxidant, ferric thiocyanate, Musa paradisiaca Sapientum

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Journal Info

Abbrev

valensi

Publisher

Subject

Chemistry

Description

Jurnal Kimia Valensi is a biannual and peer-reviewed open access journal published by Department of Chemistry, Faculty of Science and Technology UIN Syarif Hidayatullah Jakarta. This journal covering all aspect of ...