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What are some methods for preserving edible fungi?
Published Time:
2025-04-01
Source:
Suitable for mushrooms consumed within a short period, store them in a well-ventilated, cool and dry place, avoiding direct sunlight and stacking with other vegetables and fruits.
The main methods for preserving edible fungi include:
Low-temperature preservation:
Refrigeration: Place the edible fungi in a fresh-keeping bag or box, seal it after removing the air, and refrigerate it (0-5℃). It can be preserved for 3-5 days.
Ice preservation: Use ice cubes to lower the temperature. Placing mushrooms in a container with ice cubes can achieve the purpose of preservation.
Chemical preservation:
Sodium chloride (table salt) preservation: Soak mushrooms in 0.6% saline for about 10 minutes, drain, put them in a plastic bag, and store them at 10℃-25℃ for 4-6 hours. It can be preserved for 3-5 days.
Soaking in dilute hydrochloric acid: Soak mushrooms in a 0.05% dilute hydrochloric acid solution for short-term preservation.
Ascorbic acid (Vitamin C) preservation: Spray mushrooms with 0.1% ascorbic acid solution, put them in a non-iron container, and refrigerate at -5℃. They can be preserved for 24-30 hours.
Zeolite preservation: Put the mushrooms in a plastic box, soak them in zeolite water, and store them at -20℃. The preservation period can reach about 70 days.
Rice soup alkali preservation: Add 1% pure alkali or 5% baking soda to dilute rice soup. Soak the mushrooms for 5 minutes and then place them in a cool and dry place. They can be preserved for 12 hours.
Controlled atmosphere preservation: Inhibit the metabolic activities of mushrooms by adjusting the gas concentration. For example, adjusting the carbon dioxide concentration to 5% can inhibit mushroom cap opening and prolong the preservation time.
Ozone preservation: Use the oxidation properties of ozone to kill bacteria and other microorganisms in edible fungi to achieve preservation.
Other methods:
Room temperature preservation: Suitable for mushrooms to be consumed shortly. Place them in a well-ventilated, cool and dry place, avoiding direct sunlight and stacking with other vegetables and fruits.
Frozen preservation: Wash and blanch the mushrooms before freezing for longer preservation.
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