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Ten Methods for Preserving Edible Fungi
First, cold storage fresh mushrooms harvested after finishing, into the basket, basket, covered with multi-layer wet gauze or sack sheet. Put the cylinder in the cool place, there is a small amount of clear water in the cylinder, place the wooden frame on the water, place the basket and basket on the wooden frame, and then close the cylinder mouth with a film. Second, dormant preservation After harvesting at 25 °C above room for 3 to 5 hours to make it breathe vigorously, and then left at about 0 °C in the cold storage treatment for about 12 hours, about 20 °C preservation period of about 4 to 5 days . Third, the atmosphere is preserved This method is to manually control the environment's temperature, humidity and gas composition, to achieve the purpose of preservation. Fourth, the simple modified atmosphere preservation of fresh mushrooms such as mushrooms, Agaricus bisporus, etc. stored in the oxygen content of 1 ~ 2%, carbon dioxide 40%, nitrogen 58 ~ 59% of the modified atmosphere bag, at 20 °C conditions, can be maintained for about 8 days . 5. The "silicon window" bag keeps the silicone rubber in proportion to the wall of the plastic packaging bag to form a "silicon window" storage bag with freshness preservation. The plastic bag can rely on the "silicon window" to automatically adjust the ratio of oxygen and carbon dioxide in the bag. In order to achieve the purpose of safe storage of fresh mushrooms. Six, radiation treatment can effectively reduce the deterioration of fresh mushrooms, play a better preservation effect. 1. Pleurotus ostreatus radiates and sterilizes with 60°C radiation, and the radiation dose is 5-100000 rads. Stored at 0°C, the color, smell and texture of the fresh mushroom can be maintained for 7-10 days. 2, straw mushroom radiation to 60 °C ray treatment paper plastic bag poached mushrooms, radiation dose of 8 to 120,000 rad, at 14 ~ 16 °C under fresh 2 to 3 days, good commodity traits. Seven, chemical preservation Chemical preservation is the use of chemical substances to inhibit the respiratory intensity of edible fungi, and to prevent the activity of spoilage microorganisms. Eight, salt soaking treatment Mushrooms immersed in 0.6% saline for about 10 minutes, drained into a plastic bag storage, at 10 ~ 25 °C conditions, after 4 to 6 hours, fresh mushrooms become bright white, can be preserved 3 to 5 days. Nine, sodium pyrosulfite spraying white mushroom body spraying 0.15% sodium metabisulfite aqueous solution, at 15 ~ 20 °C, can be stored for 5 to 8 days. Ten, B9 preservation of 0.01% to 0.1% of vitamin B9 solution soak fresh mushrooms for 10 minutes at 5 ~ 22 °C can be preserved for 5 to 8 days.