Method for culturing pleurotus geesteranus uniformly rich in selenium by utilizing sodium selenate
A technology of pear mushroom and sodium selenate, which is applied in the field of biotransformation of selenium resources, can solve the problems of large fluctuations in selenium-enriched fruiting bodies and uneven selenium content in batches, and achieve simple components, safe and effective absorption, and uniformity absorption effect
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Embodiment 1
[0062] Example 1 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0063] Preparation of selenium-enriched mushroom additive:
[0064] ①Screen, dry, and crush corncobs, a kind of crop waste, to a particle size of 0.005-0.1 mm, and design the formula of the cultivation material additive required for the cultivation of selenium-enriched pear mushrooms.
[0065] The additive formula is as follows:
[0066] 100 parts of corncob powder;
[0067] Sodium selenate 0.0012~0.0024 parts.
[0068] ② Grind the above-mentioned sodium selenate to a powder with a particle size of 0.005-0.1 mm, and fully stir and mix it with corncob powder to obtain a primary mixture with a particle size below 0.1 mm and a selenium content in the range of 5-10 mg / kg.
[0069] ③ Process and granulate the above mixture to make it into particles with different particle sizes, and the particle sizes are controlled within the ranges of 0.005-0.1mm, 0.1-1.0mm, and 1.0-5.0mm respectively.
[0070] ④ ...
Embodiment 2
[0076] Example 2 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0077] (1) Preparation of selenium-enriched mushroom additive:
[0078] ①Screen, dry, and crush corncobs, a kind of crop waste, to a particle size of 0.005-0.1 mm, and design the formula of the cultivation material additive required for the cultivation of selenium-enriched pear mushrooms.
[0079] The additive formula is as follows:
[0080] 100 parts of corncob powder;
[0081] Sodium selenate 0.0024~0.012 parts.
[0082] ② Grind the above-mentioned sodium selenate to a powder with a particle size of 0.005-0.1mm, fully stir and mix with corncob powder, and obtain a primary mixture with a particle size below 0.1mm and a selenium content in the range of 10-50mg / kg.
[0083] ③ Process and granulate the above mixture to make it into particles with different particle sizes, and the particle sizes are controlled within the ranges of 0.005-0.1mm, 0.1-1.0mm, and 1.0-5.0mm respectively.
[0084] ④ Mix ...
Embodiment 3
[0090] Example 3 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0091] (1) Preparation of selenium-enriched mushroom additive:
[0092] ①Screen, dry, and crush corncobs, a kind of crop waste, to a particle size of 0.005-0.1mm, and design the formula of cultivation material additives required for the cultivation of selenium-enriched pleurotus edodes.
[0093] The additive formula is as follows:
[0094] 100 parts of corncob powder;
[0095]Sodium selenate 0.012~0.06 part.
[0096] ② Grind the above-mentioned sodium selenate to a powder with a particle size of 0.005-0.1 mm, and fully stir and mix it with corn cob powder to obtain a primary mixture with a particle size below 0.1 mm and a selenium content in the range of 50-100 mg / kg.
[0097] ③ Process and granulate the above mixture to make it into particles with different particle sizes, and the particle sizes are controlled within the ranges of 0.005-0.1mm, 0.1-1.0mm, and 1.0-5.0mm respectively.
[0098] ④ ...
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