ANTIBACTERIAL ACTIVITY OF MANDAILING TRADITIONAL PLANT LEAVES ETHANOL EXTRACT OF MIKANIA MICRANTHA

Nasution, Muhammad Yusuf and Restuati, Martina and Syahputra, Ricky Andi and Pulungan, Ahmad Shafwan S. (2019) ANTIBACTERIAL ACTIVITY OF MANDAILING TRADITIONAL PLANT LEAVES ETHANOL EXTRACT OF MIKANIA MICRANTHA. Jurnal Bioscience Research, 16 (01). pp. 793-797. ISSN 2218-3973

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Official URL: https://www.isisn.org/BR16(1)2019/793-797-16(1)201...

Abstract

This study aims to determine the antibacterial activity of the ethanol extract of Mikania micrantha leaves. The test bacteria used in this study were Escherichia coli, Salmonella typhi, Staphylococcus aureus, Enterobacter aerogenes, Staphylococcus epidermis obtained from a collection of bacterial cultures of the Medan State University microbiology laboratory. The leaves used in the study were Mikania micrantha leaves obtained from Mandailing Natal District, North Sumatra. ethanol extraction method using soxhlet method. The results showed that the best concentration in inhibiting bacterial growth was at a concentration of 30 mg/ml. The largest inhibitory zone formed is Staphylococcus aureus bacteria at 9.33 mm. the conclusion obtained in the study is that the greater the concentration level of the Mikania micrantha leaf ethanol extract, the greater the inhibition zone is formed.

Item Type: Article
Keywords: Ethanol; Antibacterial; Medicine; Growth; Inhibitor
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QK Botany
Q Science > QK Botany > QK640 Plant anatomy
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi
Depositing User: Mrs Harly Christy Siagian
Date Deposited: 29 Aug 2019 08:41
URI: http://digilib.unimed.ac.id/id/eprint/35886

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