IDENTIFIKASI KOMPONEN UTAMA MINYAK ATSIRI DAUN UJUNG ATAP (Baeckea frutescens L.) DAN UJI AKTIVITAS ANTIBAKTERI TERHADAP BAKTERI Escherichia coli IDENTIFICATION OF MAIN COMPONENTS OF LEAF TIP ESSENTIAL OIL (Baeckea frutescens L.) AND ANTIBACTERIAL ACTIVITY TEST AGAINST Escherichia coli BACTERIA

E. Wahyuni, M. A. Wibowo, A. Sapar
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Abstract

Baeckea frutescens L is a tropical plant that usually grows in coastal areas. Its leaves resemble needles with trees that resemble large pines. Baeckea frutescens L can be found in various regions in Indonesia, one of which is in Nanjung Village, Ketapang Regency, and West Kalimantan. Baeckea frutescens L essential oil was obtained by isolation using steam distillation. The results obtained from the isolation of the essential oil of Baeckea frutescens L was a yield of 0.0037% (v/v) and a density of 0.874 g/mL. Baeckea frutescens L essential oil was then analyzed using GC-MS. The results of the analysis showed that there were 32 compounds, with the main compounds being -ocimene, eucalyptol, -myrcene, -humulene, -terpineol. The results of the antibacterial activity test against Escherichia coli bacteria, concentrations of 5% (15.9 mm), 2.5% (15.6 mm), 1.25% (12.9 mm) and 0.625% (11.8 mm).
Baeckea frutescens L是一种热带植物,通常生长在沿海地区。它的叶子像针叶,长得像大松树。Baeckea frutescens L可以在印度尼西亚的各个地区找到,其中一个是在Nanjung村,Ketapang Regency和西加里曼丹。采用水蒸气蒸馏法分离得到白桦挥发油。分离得到的百香树精油得率为0.0037% (v/v),密度为0.874 g/mL。采用气相色谱-质谱联用技术对白荆挥发油进行分析。分析结果表明,共鉴定出32种化合物,主要化合物为-辛美烯、桉木醇、-月桂烯、-葎草烯、-松油醇。结果对大肠杆菌的抑菌活性测试,浓度分别为5% (15.9 mm)、2.5% (15.6 mm)、1.25% (12.9 mm)和0.625% (11.8 mm)。
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