ANTIOXIDANT AND ANTIBACTERIAL ACTIVITY TESTS OF DRAGON SCALES LEAVES CRUDE METHANOL EXTRACTS (DRYMOGLOSSUM PILOSELLOIDES (L.) PRESL)

Fahmi, Aliyah (2016) ANTIOXIDANT AND ANTIBACTERIAL ACTIVITY TESTS OF DRAGON SCALES LEAVES CRUDE METHANOL EXTRACTS (DRYMOGLOSSUM PILOSELLOIDES (L.) PRESL). In: The 3rd Annual International Seminar on Trends in Science and Science Education 2016, 7 Oct 2016, Medan.

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Official URL: http://sitsefmipa.unimed.ac.id/proceeding2016/sits...

Abstract

Researches on the antioxidant and antibacterial activity of dragon scales leaves crude methanol extract (Drymoglossum piloselloides (L) Presl) had been done. This study aimed to determine the antioxidant activity of dragon scales leaves crude methanol extract by 0,5mM 40 ppm of free radical 1.1-diphenyl-2-picrylhydrazyl (DPPH) reduction method using UV Visibel Spectrophotometer at 515-517 nm wavelength obtained IC50 was 9.7 mg / L with the highest percent reduction in the amount of 99.0574% in 100 ppm at 517 nm wavelength which was a substance that has a very strong antioxidant activity. To test the antimicrobial activity of dragon scales leaves crude methanol extract (Drymoglossum piloselloides (L.) Presl) with Agar Diffusion Method in order to obtain inhibition zone in S. mutans extract concentration respectively 1%, 2% and 3% were 0.55; 0.56 and 0, 83 mm, the E. coli were 1.03; 1.30 and 1.34 mm, where the greater of extr

Item Type: Conference or Workshop Item (Paper)
Divisions: Program Pasca Sarjana
Depositing User: Mrs Yuni Chairani
Date Deposited: 12 Dec 2017 07:12
URI: http://digilib.unimed.ac.id/id/eprint/27724

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