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首页> 外文期刊>Journal of Polymers and the Environment >Effect of Oregano Essential Oil Content on Properties of Green Biocomposites Based on Cassava Starch and Sugarcane Bagasse for Bioactive Packaging
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Effect of Oregano Essential Oil Content on Properties of Green Biocomposites Based on Cassava Starch and Sugarcane Bagasse for Bioactive Packaging

机译：牛至精油含量对木薯淀粉和甘蔗渣生物活性包装绿色生物复合材料性能的影响

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摘要

In this study, 10 wt% sugarcane bagasse fiber-reinforced starch foam composites were prepared with different oregano essential oil (OEO) contents in the range of 2-8 wt% to improve the antimicrobial effectiveness of bioactive packaging. FT-IR analysis confirms that OEO penetrates into starch foam composite. From the result of antimicrobial activity, the incorporation of 8 wt% OEO in starch foam composite achieves the minimum inhibitory concentration against Escherichia-coli (E. coli) and Staphylococcus-aureus (S. aureus). OEO is more effective against S. aureus (Gram-positive bacteria) than E. coli (Gram-negative bacteria). The water absorption capacity and hygroscopicity of foam composite decrease with increasing OEO content. The lowest monolayer value is observed in starch foam composite containing 8 wt% OEO. The soil biodegradation rate and flexural strength of samples slightly decrease with increasing OEO content. As a result, starch foam composite containing OEO can be applied as bioactive packaging to preserve foods.
机译：在本研究中，制备了10 wt％的甘蔗渣纤维增强淀粉泡沫复合材料，其中牛至精油（OEO）的含量在2-8 wt％的范围内，以提高生物活性包装的抗菌效果。 FT-IR分析证实OEO渗入淀粉泡沫复合材料。从抗菌活性的结果来看，在淀粉泡沫复合材料中掺入8 wt％的OEO可达到对大肠杆菌（金黄色葡萄球菌）和金黄色葡萄球菌（金黄色葡萄球菌）的最小抑制浓度。 OEO对金黄色葡萄球菌（革兰氏阳性细菌）比大肠杆菌（革兰氏阴性细菌）更有效。泡沫复合材料的吸水能力和吸湿性随OEO含量的增加而降低。在包含8 wt％OEO的淀粉泡沫复合材料中观察到最低的单层值。样品的土壤生物降解率和抗弯强度随OEO含量的增加而略有下降。结果，包含OEO的淀粉泡沫复合材料可以用作生物活性包装以保存食品。

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