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采用适当的方法从中草药中提取有效成分，并将其与被膜剂复合。针对各种常见水果病菌，采用平板抑菌试验筛选出５种具有显著抑菌能力的药种，进而用最低抑制发育浓度试验比较了各药种对不同病菌的抑制作用，为天然防腐剂在果蔬保鲜涂料中应用提供了依据。
Appropriate methods are used to extract the active ingredients from Chinese herbal medicine and compound it with the coating agent. For a variety of common fruit germs, five kinds of drugs with significant bacteriostasis ability were screened by the antibacterial activity test of plate, and then the inhibitory effect of different drugs on different pathogens was compared with the lowest inhibitory concentration of growth test. As a natural preservative in fruits and vegetables The application of fresh paint provides the basis.