Use sodium bisulfite and silicone to preserve fresh grapes

The sodium sulfite is weighed at 0.3% of the amount of grapes stored, and anhydrous silicic acid is weighed at 0.6%. After sufficient mixing, it is divided into a number of small paper bags, a layer of paper is laid on the grapes, and the medicine bags are sprinkled on On the paper, the medicine bag is then closed in the basket's internal storage with wrapping paper. The temperature of the library is 0 to 10°C and the relative humidity is 85% to 95%. Regularly check the quality of storage, efficacy and injury during storage. Stored in this way, if properly handled, suitable conditions, longan grapes can be stored for 7 months, a small amount can reach 8 months; roses, red heart grapes can be stored for 6 months, milk grapes can also be stored for about 2 months .