Low nitrite and high dietary fiber fermented pickle and preparation method thereof

The invention discloses a preparation method of low nitrite and high dietary fiber fermented pickle. The method includes: selecting Sichuan pickled green vegetables as the raw materials, conducting cleaning and selection, then putting the selected Sichuan pickled green vegetables into a jar for high salt salting, then conducting desalting and dewatering, loading the product into a seal bag for vacuum packaging, then conducting ultrahigh pressure sterilization, and then moving the product into a low salt fermentation stage, and according to the characteristics of the selected direct vat set lactobacillus plantarum fermentation preparation, conducting fermentation for 3-4 days. The method provided by the invention makes improvement on the basis of traditional natural fermentation, combines natural fermentation with artificial fermentation, retains the flavor of traditional fermented pickles and shortens the fermentation period. The invention also discloses the fermented pickle prepared by the method, the nitrit