Processing technology of lotus root slices

The invention discloses a processing technology of lotus root slices. The processing technology specifically comprises the following steps: removing sludge on the surface of a selected lotus root with a piece of soft cloth, and cleaning the lotus roots with flowing clean water; removing peels of the lotus root by using a knife, and standing in clean water; slicing the peeled lotus roots by virtue of a slicing machine, and immersing the lotus root slices for one hour in a mixed solution containing 2 percent of table salt and 0.5 percent of zinc acetate; washing the lotus root slices obtained in step III with flowing clean water until no salt flavor is remained, draining the lotus root slices, and blanching the lotus root slices in a 0.5 percent citric acid solution; taking out the blanched lotus root slices, loading the lotus root slices in a boiling bag after the lotus root slices are hardened, filling the bag with a mixed solution with 0.1 percent of ascorbic acid and 0.5 percent of sodium citrate, and dropw