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Antimicrobial and Antioxidant Activities of Betel Oil

机译:槟榔油的抗菌和抗氧化活性

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Betel oil has been studied for its antimicrobial and antioxidant activities against ten pathogenic and spoilage bacteria and three strains of yeast using an agar well diffusion assay and against oxidative bleaching using a β-carotene agar well diffusion assay, respectively. The minimum inhibitory concentration (MIC) and minimum oxidative bleaching inhibitory concentration (MOBIC) of betel oil were determined using an agar dilution method. At the concentration of 50 μL mL~(-1), betel oil showed a zone of inhibition, ranging from 9.15 to 17.30 mm in diameter. The MICs of betel oil in a range of 12.5-100 μL mL~(-1) could inhibit the growth of all test microorganisms except Pseudomonas aeruginosa, which was not sensitive to this oil even at the highest concentration (200 μL mL~(-1)). The most sensitive bacteria to betel oil were Listeria monocytogenes and Salmonella Enteritidis. Betel oil (100 μL mL~(-1)) also revealed ability to inhibit the oxidation of β-carotene, yielding a yellow zone surrounding the well with a 8.40 mm in diameter. The MOBIC of betel oil was 100 μL mL~(-1). Betel oil might have a potential application in controlled and released food packaging technology as antimicrobial and antioxidant agents.
机译:分别使用琼脂井扩散测定法和使用β-胡萝卜素琼脂井扩散测定法对槟榔油对十种致病菌和腐败菌以及三株酵母的抗微生物和抗氧化活性进行了研究。使用琼脂稀释法确定槟榔油的最低抑菌浓度(MIC)和最低氧化漂白抑菌浓度(MOBIC)。在浓度为50μLmL〜(-1)时,槟榔油显示出一个抑制区域,直径范围为9.15至17.30 mm。槟榔油的MIC在12.5-100μLmL〜(-1)范围内可以抑制除铜绿假单胞菌以外的所有测试微生物的生长,铜绿假单胞菌即使在最高浓度(200μLmL〜(- 1))。对槟榔油最敏感的细菌是单核细胞增生性李斯特菌和肠炎沙门氏菌。槟榔油(100μLmL〜(-1))也显示出抑制β-胡萝卜素氧化的能力,在孔周围产生了直径为8.40 mm的黄色区域。槟榔的MOBIC为100μLmL〜(-1)。槟榔油可能会作为抗菌剂和抗氧化剂在控释食品包装技术中有潜在的应用。

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