Aktivitas Antibakteri Minyak Atsiri Kulit Kayu Akway (Drimys piperita Hook. f.) pada Beberapa Tingkat Konsentrasi, Keasaman (pH) dan Kandungan Garam

*Gino Nemesio Cepeda -  Jurusan Teknologi Pertanian, Fakultas Teknologi Pertanian, Universitas Papua, Manokwari, Indonesia
Meike Meilan Lisangan -  Jurusan Teknologi Pertanian, Fakultas Teknologi Pertanian, Universitas Papua, Manokwari, Indonesia
Isak Silamba -  Jurusan Teknologi Pertanian, Fakultas Teknologi Pertanian, Universitas Papua, Manokwari, Indonesia
Received: 15 Apr 2019; Revised: 23 Oct 2019; Accepted: 16 Nov 2019; Published: 16 Nov 2019; Available online: 16 Nov 2019.
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Abstract

Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri minyak atsiri kulit kayu akway pada beberapa tingkat konsentrasi, keasaman (pH) dan kandungan sodium klorida. Minyak atsiri disuling dengan menggunakan metode distilasi air. Pengujian aktivitas antibakteri minyak atsiri pada beberapa tingkat konsentrasi, pH dan kandungan sodium klorida dilakukan dengan menggunakan metode difusi sumur. Hasil penelitian menunjukkan bahwa aktivitas antibakteri minyak atsiri kulit kayu akway cenderung meningkat dengan meningkatnya konsentrasi. Konsentrasi penghambatan minimum terhadap Escherichia coli, Bacillus cereus, Pseudomonas aeruginosa dan Staphylococcus aureus adalah 0,28–0,56%. Tingkat keasaman dan kandungan sodium klorida tidak berpengaruh nyata terhadap aktivitas antibakteri minyak atsiri kulit kayu akway. Kesimpulannya, minyak atsiri kulit kayu akway berpotensi sebagai sumber antibakteri alami untuk menghambat pertumbuhan bakteri yang tahan terhadap antibiotik.

Antibacterial Activity of Essential Oil of Akway (Drimys piperita Hook f.) Barks on Some Levels of Concentration, Acidity (pH) and Salt Contents

Abstract

Akway (Drimys piperita Hook. f) was an aromatic plant of winteraceae. Leaves and barks of this plant contain essential oil. Previous studies indicated that essential oil from some aromatic plants had strong antibacterial activities. The aims of the study were to know antibacterial activities of essential oil isolated from akway bark on some levels of concentration, acidity (pH) and sodium chloride content. The essential oil was distilled by using water distillation method. The antibacterial activity was assayed on several levels of concentration, pH and sodium chloride concentrations that were performed using method of agar well diffusion. The results showed that the antibacterial activity of akway barks essential oil tended to increase with increasing of concentrations. The minimum inhibition concentrations against Escherichia coli, Bacillus cereus, Pseudomonas aeruginosa, and Staphylococcus aureus were 0,28–0,56%. The pH and sodium chloride contents had not significantly influenced to the antibacterial activities of akway barks essential oil. As conclusion, the essential oil of akway barks had potential as source of antibacterial on inhibiting growth of antibiotic resistance bacteria.

 

Keywords
Drimys piperita; akway; papua; kandungan; minyak atsiri; antibakteri; essential oil; antibacterial activity;

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