Microflora and growth trend of different vacuum packaging fresh-cut vegetables

With vacuum-packaging yam, pumpkin, sweet potato pieces, potatoes, colocasia, taro, purple tubers as raw materials, and different kinds of fresh-cut vegetables the initial and corruption microflora composition and growth trends were compared.The result showed that the the fresh vegetables in microorganisms including yeast, Lactobacillus, Enterobacteriaceae, Pseudomonas and Micrococcus.The yeast of Yam, pumpkin, sweet potato pieces, potatoes, taro, purple sweet potato were more and had the fastest growth speed.The initial number of Lactobacillus in the fresh-cut vegetables were over 2.0lg cfu/g, showing a significant growth.The initial Enterobacter of fresh-cut vegetables were over 3.0lg cfu /g.Yam, potatoes, taro, purple tuber Enterobacteriaceae growth less, taro block, pumpkin and sweet potato had a growth trend in the Enterobacteriaceae.Sweet potato pieces, taro genus Pseudomonas, rapid growth of Micrococcus in yam pumpkin, sweet potato, potato pieces, purple tuber case of all showed a decline trend.