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Majalah Obat Tradisional
Published by Universitas Gadjah Mada
ISSN : 14105918     EISSN : 24069086     DOI : -
Core Subject : Health,
Health Professions Medicine & Pharmacology Public Health
raditional Medicine Journal (Majalah Obat Tradisional), or Trad. Med. J. (ISSN 1410-5918 (print) and ISSN 2406-9086 (online)), is an international scientific journal published by Faculty of Pharmacy, Universitas Gadjah Mada, three times annually. Collaborating with Indonesian Pharmacist Association, Daerah Istimewa Yogyakarta, and we dedicate our journal to researches and development in traditional medicine. The journal receives papers on research laboratory, field research, and case studies of traditional medicine and its constituent, covering research topics including raw materials, cultivation, phytochemical, pharmacological effects and toxicology, formulation, and biotechnology.
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Search results for , issue " Vol 20, No 3 (2015)" : 1 Documents clear
AKTIVITAS PENANGKAPAN RADIKAL 2,2-DIFENIL-1-PIKRILHIDRAZIL OLEH EKSTRAK ETANOLIK BATANG BROTOWALI (Tinospora crispa (L.) Miers) DAN FRAKSI-FRAKSINYA Irianti, Tatang; Puspitasari, Andayana; Suryani, Ema
Majalah Obat Tradisional Vol 20, No 3 (2015)
Publisher : Faculty of Pharmacy, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (760.318 KB) | DOI: 10.22146/tradmedj.8095

Abstract

Batang brotowali (Tinospora crispa (L.) Miers) diketahui mengandung beberapa senyawa fenolik yang mempunyai aktivitas sebagai antioksidan. Penelitian ini bertujuan menguji aktivitas penangkapan radikal 2,2-difenil-1-pikrilhidrazin (DPPH) oleh ekstrak etanolik batang brotowali dan fraksi-fraksinya. Ekstraksi batang brotowali dilakukan dengan alat Soxhlet dan pembuatan fraksi-fraksinya secara partisi cair-cair menggunakan alat Liquid-Liquid Continuous Extraction (LLCE). Pelarut-pelarutnya adalah n-heksana dan etil asetat. Adanya golongan senyawa antiradikal dideteksi  dengan metode Kromatografi Lapis Tipis (KLT) dan aktivitas penangkapan radikal DPPH. Ekstrak etanolik, fraksi etil asetat, dan fraksi air memiliki aktivitas antiradikal dan mengandung senyawa golongan kumarin dan flavonoid. Fraksi etil asetat (200 µg/ml) mampu menangkap 53,57 % radikal DPPH yang merupakan aktivitas antiradikal tertinggi dan diikuti oleh fraksi air, ekstrak etanolik, dan fraksi n-heksana.

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