不同贮藏温度及薄膜包装对采后金针菇品质的影响

摘要

The postharvest fresh Flammulina velutipes were packed with 0.03 mm PE non-porous film, 0.03 mm PE microporous film,intelligent breathing film respectively,and stored at low temperature(4 ℃)and controlled freezing-point(-0.5 ℃).The effects of different storage conditions on the quality of Flammulina ve-lutipes were studied by determining the change of weight loss,soluble solids content,Vc content,color,cell mem-brane permeability and soluble protein content of Flammulina velutipes in the process of storage.The results showed that the controlled freezing-point temperature storage was better than that of low temperature storage,in-telligent breathing film packing storage was better than that of the other two PE film packaging storage.The fresh-keeping effect of intelligent breathing film package at controlled freezing-point was the optimal.It could extend the storage time of Flammulina velutipes to a long time of 30 days.%分别用0．03 mm PE 无孔膜、0．03 mm PE 微孔膜、0．05 mm 智能呼吸膜对采后鲜金针菇进行包装，并置于低温（4℃）和冰温（－0．5℃）条件下贮藏，通过测定贮藏过程中金针菇失重率、可溶性固形物含量、Vc含量、色差、细胞膜渗透率及可溶性蛋白质含量的变化，研究不同贮藏条件对金针菇品质的影响。结果表明，冰温贮藏优于低温贮藏，智能呼吸膜包装优于两种 PE 膜包装，其中冰温条件下智能呼吸膜包装对金针菇的保鲜效果最优，能够长时间保持菇体品质，使金针菇贮藏期延长至30 d 左右。