Sulfuric acid solution was used to store tomato extractive sodium sulfite, dissolved in 1000 parts by weight of water, and then 0.09 parts by weight of calcium chloride, and then adjusted with a solution of 6 normal hydrochloric acid until the solution was colorless and transparent. 5. 0 ~ 5.5, sulfur dioxide concentration of 0.1%. By selecting and removing the green, cracked and rotten fruits, the complete red ripe fruit is soaked in the above-mentioned well-prepared solution and pressed with a heavy object to prevent the tomato from floating up to reveal the liquid surface. The mouth of the container is tightly sealed with a plastic film and tied tightly with a rope to prevent sulfur dioxide from escaping and stored at room temperature. Using this method to store tomatoes, the storage period of up to 1 year, the good fruit rate of more than 95%, its color, shape and fresh fruit is no different.
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