PDF(Pubmed)
Abstract：
This study aimed to evaluate the antimicrobial effect of thymol and carvacrol in inhibiting Escherichia coli and Salmonella serovar Typhimurium inoculated on a fresh green salad through the vapor phase. A film-forming solution was prepared by dissolving starch, sorbitol, and variying concentrations of carvacrol, thymol, and a mixture of both. The film-forming solution containing the respective antimicrobial agent was then added lid, which was sealed rigidly and hermetically to achieve different concentrations (105 mg/L of air of carvacrol, 105 mg/L of air of thymol, and a mixture of 52 mg/L of air of carvacrol and 52 mg/L of air of thymol). Each active package contained fresh green salad inoculated with E. coli or Salmonella serovar Typhimurium. The active packages were then sealed and refrigerated at a temperature of 6 °C for 48 h. Growth/inhibition curves were modelled using the Weibull equation, and consumer acceptance was evaluated. Carvacrol can reduce up to 0.5 log-cycles, while thymol can reach almost 1 log cycle. Blending the components with half the concentration has a synergistic effect, inhibiting up to 2.5 log cycles. Consumer ratings revealed no significant differences between the packages. However, the average score was 5.4 on a 9-point hedonic scale, evaluators\' comments did not indicate dislike or a strong taste characteristic of thymol and carvacrol.
摘要：
本研究旨在评估百里酚和香芹酚对通过气相接种在新鲜绿色沙拉上的大肠杆菌和鼠伤寒沙门氏菌的抑制作用。通过溶解淀粉制备成膜溶液，山梨醇,和各种浓度的香芹酚，百里酚,两者的混合物。然后将含有相应抗微生物剂的成膜溶液加入盖子，将其严格密封以达到不同浓度（105mg/L的香芹酚空气，105毫克/升百里酚的空气，以及52mg/L的香芹酚空气和52mg/L的百里酚空气的混合物）。每个活性包装含有接种了大肠杆菌或沙门氏菌血清型鼠伤寒的新鲜绿色沙拉。然后将活性包装密封并在6°C的温度下冷藏48小时。使用Weibull方程对生长/抑制曲线进行建模。并评估了消费者的接受度。香芹酚可以减少多达0.5个对数周期，而百里酚可以达到近1个对数周期。将组分与一半浓度混合具有协同效应，抑制多达2.5个对数周期。消费者评级显示包装之间没有显着差异。然而,在9分享乐主义量表上平均得分为5.4分，评估人员的评论没有表示不喜欢百里酚和香芹酚或强烈的味道特征。
