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The gas composition stored in the atmosphere is 2% to 3% oxygen, and carbon dioxide is less than 10%. Common storage methods are as follows.
1. The cooling storage method puts the washed soybeans in boiling water at 100° C. for about 2 minutes. After being picked up, it is placed in cooling water and cooled to room temperature. The water is drained into a plastic bag and the air is discharged. The plastic bag is placed in a freezer at -25°C, fully frozen, and placed in a storage bag at -18°C. It can be stored for a long period of time, generally limited to six months to one year.
2. The small package storage method will put the beans into a 0.01 mm polyethylene plastic bag, 5 kg per bag, seal the film mouth, add slaked lime 0.5 to 1 kg, store in the cold storage, with 0.01 ml / l sec-butylamine fumigation, Storage temperature is 8 ~ 10 °C, every 10 to 14 days open bag inspection 1, this method can be stored for about 30 days.
Introduce the method of storage and preservation of black soybeans
Black soybeans are suitable for storage temperature of 8 ~ 10 °C, the temperature is too low and susceptible to frost damage, manifested as pod rust on the pods, and some were watery lesions immediately rot.