Method for producing mung bean sprout

The invention relates to a method for producing mung bean sprout, comprising: dipping mung beans and cultivating mung beans. When mung bean sprouts are produced, sowing density is 1847-3079g/m . The method for dipping mung beans comprises: dipping mung beans by chitosan solution of which the deacetylated degree is 80-95%; and after being drained, dipping the mung beans overnight by sodium metavanadate solution of which the concentration is 0-3000 mg/L, and draining the moisture content. The method for cultivating mung beans comprises: putting the dipped mung beans into a seedling culture disk for cultivation; spraying sodium metavanadate solution of which the concentration is 0-3000 mg/ L for 3-5 times each day, and spraying 50-150 ml once. The mass percent concentration of potassium permanganate is 1%. The invention has the advantages of simple technology and big handling capacity, can accelerate the growth of mung beans, obviously improves output and can be in continuous operation; in addition, the invention has moderate production condition and high mung bean quality, uses sodium metavanadate solution to dip and cultivate so as to succeed in introducing vanadium element into the mung beans, so that the mung bean has high vanadium content and vanadium containing ratio.