Method for culturing pleurotus geesteranus uniformly rich in selenium by using mixed selenium source
A cultivation method and technology of Xiuzhen mushroom are applied in the field of biotransformation of selenium resources, which can solve the problems of large fluctuation of selenium enrichment in fruiting bodies and uneven selenium content in batches, and achieve the effect of increasing organic selenium content and facilitating uniform absorption.
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Embodiment 1
[0072] Example 1 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0073] (1) Preparation of selenium-enriched mushroom additive:
[0074] ①Screen, dry and crush corncobs, a kind of natural crop leftovers, to a particle size of 0.005-0.1mm, and design the formula of cultivation material additives required for cultivating selenium-enriched pear mushrooms.
[0075] The additive formula is as follows:
[0076] 100 parts of corncob flour;
[0077] Sodium selenate (or sodium selenite) 0.0006 (or 0.00055) part;
[0078] Selenium yeast 0.225 parts.
[0079] ② Grind the above-mentioned sodium selenate (or sodium selenite) and selenium yeast to a powder with a particle size of 0.005-0.1mm, and fully stir and mix with corncob powder to obtain a particle size below 0.1mm and a selenium content of 5mg / kg primary mix.
[0080] ③ Process and granulate the above mixture to make it into particles with different particle sizes, and the particle sizes are controlled within the...
Embodiment 2
[0086] Example 2 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0087] (1) Preparation of selenium-enriched mushroom additive:
[0088] ①Screen, dry and crush corncobs, a kind of natural crop leftovers, to a particle size of 0.005-0.1mm, and design the formula of cultivation material additives required for cultivating selenium-enriched pear mushrooms.
[0089] The additive formula is as follows:
[0090] 100 parts of corncob flour;
[0091] 0.012 parts of sodium selenate;
[0092] Selenium yeast 2.25 parts.
[0093] ② Grind the above-mentioned sodium selenate and sodium selenite to a powder with a particle size of 0.005-0.1mm, and mix them well with corncob powder to obtain a primary Mixture.
[0094] 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.
[0095] ④ Mix the particles of the above three ...
Embodiment 3
[0100] Example 3 Selenium-enriched Cultivation Example of Pleurotus chinensis
[0101] (1) Preparation of selenium-enriched mushroom additive:
[0102] ①Screen, dry and crush corncobs, a kind of natural crop leftovers, to a particle size of 0.005-0.1mm, and design the formula of cultivation material additives required for cultivating selenium-enriched pear mushrooms.
[0103] The additive formula is as follows:
[0104] 100 parts of corncob flour;
[0105] 0.011 parts of sodium selenite;
[0106] Selenium yeast 4.5 parts.
[0107] ② Grind the above-mentioned sodium selenate and sodium selenite to a powder with a particle size of 0.005-0.1mm, and mix them well with corncob powder to obtain a primary Mixture.
[0108] 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.
[0109] ④ Mix the particles of the above three par...
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