塑料密封包装中中药芳香挥发成份逸失的原因及其防范对策

The Reason About Runaway Components of Perfume Oils in TCM Through Plastic Packing Materials and Its Improvement

发现市售滴眼剂中去香挥发成份随包装材料和时间变化，原因是低密度聚乙烯LDPE对萜烯等有机物的阻隔特性不佳所致。据此提出控制包装材料的选择，采用聚脂PET或聚氯乙烯PVC可有效地阻隔中药中的芳香挥发成份的逸失。

This paper comments barrier packing for perfume oils in TCM,especially for borneol. It is bad with plastic PE,especially LDPE .but is very good with PET or PVC for keeping that ones through practice and theory.