Analysis of Antibacterial Activity of Several Plant Essential Oils Combined with Nisin
Against the main pathogenic bacteria of meat products,EscherichiacoliandStaphylococcus aureus,the antibacterial effect of lactic acid Nisin,rosemary,nutmeg and sage oils is researched.The compound antibacterial properties of three kinds of plant essential oils and Nisin are explored.The results show that Nisin has more significant antibacterial effect than three kinds of fragrant spices essential oils.The minimum inhibitory concentration (MIC)of EscherichiacoliandStaphylococcus aureus is 7.5,0.9375 mg/mL,and the minimum bactericidal concentration is 15,0.9375 mg/mL. The antibacterial FIC index of nutmeg and Nisin is 1,which shows additive effect and better than other composite antibacterial agent.