肉桂油/海藻酸钠薄膜物理特性和抗菌性能分析

被引:19
作者
吕飞 [1 ]
丁祎程 [1 ]
叶兴乾 [2 ]
机构
[1] 浙江工业大学生物工程与环境学院
[2] 浙江大学生物系统工程与食品科学学院
关键词
包装; 膜; 物理特性; 肉桂油; 海藻酸钠; 抗菌薄膜; 透光率; 水蒸气透过率;
D O I
暂无
中图分类号
TS206.4 [包装材料];
学科分类号
083201 ;
摘要
为了研究开发新型可降解抗菌包装材料,该文以添加不同体积肉桂油到海藻酸钠膜液中制成的肉桂油/海藻酸钠抗菌薄膜为研究对象,比较分析肉桂油添加量对肉桂油/海藻酸钠薄膜厚度、透光率、色泽和水蒸气透过率等物理特性的影响,同时,考察其对薄膜的抗菌性能的影响。膜液中肉桂油体积分数在0~1.0%时,薄膜厚度无明显变化,体积分数为1.2%时,薄膜厚度显著增加。随着肉桂油体积分数的增加,薄膜的透光率显著降低,薄膜水蒸气透过系数增大。肉桂油对薄膜色泽影响显著,随着肉桂油添加量的增加,薄膜色泽值a和b呈显著增加趋势。膜液中肉桂油体积分数为0.8%时,薄膜抗菌能力显著增强。研究结果表明,当膜液中肉桂油体积分数为0.8%时,薄膜具有较好的抗菌效果和物理性能。该研究可为肉桂油/海藻酸钠可降解抗菌薄膜生产工艺参数的进一步优化提供参考。
引用
收藏
页码:268 / 272
页数:5
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