A method for preventing color change of fresh cut lotus root

The invention relates to fresh-keeping and processing region for vegetables and fruit and discloses a method for controlling discoloration of fresh-cut lotus root. Lotus root is soaked into edible acetic acid solution of 1.0-2.0% by volume for 5-10 min after precooled, cleaned, barked and fresh-cut process, then air-dried and last packed and low-temperature stored. The method can effective delay generation of brown stain for fresh-cut lotus root in storage, transportation and vendition, and can completely resolve derectivity problem of discoloration in storage process for fress-cut lotus root slice.