Ten fresh-keeping methods of Edible Fungi
The fresh mushrooms harvested in the cold storage are arranged and put into baskets and baskets and covered with multi-layer wet gauze or hemp bags. Put the cylinder in the shade, there is a small amount of water in the cylinder, put the wooden frame on the water, put the basket and basket on the wooden frame, and then seal the cylinder mouth with thin film.
2. After dormant and fresh-keeping, put it in the room above 25 ℃ for 3-5 hours to make it breathe vigorously, and then put it in the cold storage of about 0 ℃ for about 12 hours, and the shelf life of about 20 ℃ is about 4-5 days.
Third, the method of controlled atmosphere preservation is to manually control the temperature, humidity and gas composition of the environment to achieve the purpose of fresh-keeping.
4. Simple controlled atmosphere preservation, fresh mushrooms such as Lentinus edodes and double spore mushrooms are stored in controlled atmosphere bags with oxygen content of 10.2%, carbon dioxide of 40% and nitrogen of 585.59%, which can be kept for about 8 days under the condition of 20 ℃.
Fifth, "silicon window" bag fresh-keeping silicone rubber is proportionally embedded in the plastic packaging bag wall, forming a "silicon window" fresh-keeping bag. The plastic bag can rely on the "silicon window" to automatically adjust the ratio of oxygen to carbon dioxide in the bag. In order to achieve the purpose of safe storage of fresh mushrooms.
Sixth, radiation treatment can effectively reduce the deterioration of fresh mushrooms and have a better fresh-keeping effect.
The main results are as follows: (1) Pleurotus ostreatus was irradiated with 60 ℃ radiation, the radiation dose was 5 ~ 100000 rads, and stored under the condition of 0 ℃, the color, smell and texture of Pleurotus ostreatus were kept for 7 days.
(2) radiation preservation of volvariella volvacea was treated with 60 ℃ radiation in paper plastic bag with radiation dose of 8 ~ 120000 rads and kept fresh for 2 days at 14 ~ 16 ℃ for 3 days.
Chemical fresh-keeping
Chemical preservation is the use of chemicals to inhibit the respiratory intensity of edible fungi and prevent the activities of spoilage microorganisms.
8. Soak the fresh mushrooms in 0.6% salt water for about 10 minutes, drain and store them in a plastic bag. Under the condition of 10: 25 ℃, after 4: 6 hours, the fresh mushrooms turn bright white and can be kept fresh for 3 to 5 days.
Sodium pyrosulfite spraying white mushroom body sprayed 0.15% sodium pyrosulfite aqueous solution, at 15: 20 ℃, can be stored for 5: 8 days.
10. B9 fresh-keeping soaked fresh mushrooms in 0.01%-0.1% vitamin B9 aqueous solution for 10 minutes and kept fresh for 5-8 days at 5-22 ℃.
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Application of Lime in Edible Fungi production
Lime has a significant disinfection and germicidal effect, but also rich in calcium, which is widely used in the production of edible fungi. 1. The application on the site removes weeds around the site, sprinkles a layer of lime powder, then cleans up the culture room, sprays conventional insecticides, and sprinkles a layer of lime powder. This can kill some miscellaneous bacteria, reduce the pollution base, especially bacterial pollution, and prevent pests such as slugs from invading the site. two。 Application in culture materials most edible fungi can be slightly alkaline.
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The prospect of planting edible fungi with mulberry stalk is promising.
The microbial experiment factory of Institute of Biology of Guangxi Academy of Sciences recently invented the technology of planting edible fungi with mulberry stalks, and carried out industrialization demonstration in the sericulture expert courtyard of Luoxi Town, Yizhou City, Guangxi. According to professionals, the mulberry stalks left behind by sericulturists after planting mulberry and sericulture every year can be used as the main raw materials for the cultivation of edible mushrooms (Pleurotus ostreatus, Flammulina velutipes, Lentinus edodes, jade yellow mushrooms, fungus, etc.) after processing and crushing, and the mulberry stalks per mu are used to cultivate edible mushrooms, which can increase income by more than 2000 yuan. According to the country's largest silkworm production base county (city)
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