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Method for cultivating oyster mushroom uniformly rich in selenium with sodium selenite as selenium source

A sodium selenite and selenium-enriched technology, which is applied in the field of biotransformation of selenium resources, can solve the problems of large fluctuations in the amount of selenium-enriched fruiting bodies and uneven selenium content in batches, and achieve increased yield, easy operation, and stability Effect

Inactive Publication Date: 2012-08-08
SUZHOU SETEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a uniform selenium-enriched cultivation method of Pleurotus ostreatus, which solves the inhomogeneous selenium content batches among the strains of Pleurotus ostreatus after selenium-enriched cultivation in the prior art or the inhomogeneous selenium content of each strain of Pleurotus ostreatus. Problems such as large fluctuations in selenium enrichment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Example 1 Examples of selenium-enriched oyster mushroom cultivation

[0061] (1) Preparation of selenium-enriched oyster mushroom additive:

[0062] (1) Preparation of selenium-enriched oyster mushroom additive:

[0063] ① The ordinary natural cotton seed hulls are screened, dried, pulverized to a particle size of 0.005~0.1mm, and mixed, and the formula of the cultivation material additives required for the cultivation of selenium-enriched oyster mushrooms is designed.

[0064] According to the mass ratio, the additive formula is as follows:

[0065] 100 parts of cotton seed husk

[0066] 0.0011~0.0022 parts of sodium selenite;

[0067] ② Grind the above sodium selenite to a powder with a particle size of 0.005~0.1mm, stir and mix thoroughly with cotton seed hulls to prepare a mixture with a particle size of less than 0.1mm and a selenium content in the range of 5-10mg / kg.

[0068] ③ Process and granulate the above-mentioned mixture into granules with different particle sizes, whose...

Embodiment 2

[0075] Example 2 Examples of selenium-enriched oyster mushroom cultivation

[0076] (1) Preparation of selenium-enriched oyster mushroom additive:

[0077] ① The ordinary natural cotton seed hulls are screened, dried, pulverized to a particle size of 0.005~0.1mm, and mixed, and the formula of the cultivation material additives required for the cultivation of selenium-enriched oyster mushrooms is designed.

[0078] According to the mass ratio, the additive formula is as follows:

[0079] 100 parts of cotton seed husk

[0080] 0.0022~0.011 parts of sodium selenite;

[0081] ② Grind the above sodium selenite to a powder with a particle size of 0.005-0.1mm, stir and mix thoroughly with cotton seed hulls to prepare a mixture with a particle size of less than 0.1mm and a selenium content in the range of 10-50mg / kg.

[0082] ③ Process and granulate the above-mentioned mixture into granules with different particle sizes. The particle sizes are controlled within the range of 0.005~0.1mm, 0.1~1.0mm...

Embodiment 3

[0089] Example 3 Examples of selenium-enriched oyster mushroom cultivation

[0090] (1) Preparation of selenium-enriched oyster mushroom additive:

[0091] ① The ordinary natural cotton seed hulls are screened, dried, pulverized to a particle size of 0.005~0.1mm, and mixed, and the formula of the cultivation material additives required for the cultivation of selenium-enriched oyster mushrooms is designed.

[0092] According to the mass ratio, the additive formula is as follows:

[0093] 100 parts of cotton seed husk

[0094] Sodium selenite 0.011~0.022 parts;

[0095] ② Grind the above sodium selenite to a powder with a particle size of 0.005-0.1mm, stir and mix thoroughly with cotton seed hulls to prepare a mixture with a particle size of less than 0.1mm and a selenium content in the range of 50-100mg / kg.

[0096] ③ Process and granulate the above-mentioned mixture into granules with different particle sizes. The particle sizes are controlled within the range of 0.005~0.1mm, 0.1~1.0mm, 1...

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Abstract

The invention discloses a method for cultivating oyster mushroom uniformly rich in selenium with sodium selenite as the selenium source. The method is characterized in that the method comprises the steps of mixing selenium-rich cultivating material additive accounting for 1-10 percent of the total weight of dried cultivating material into the dried cultivating material, and cultivating oyster mushroom according to an ordinary cultivation method to obtain oyster mushroom uniformly rich in selenium; the selenium-rich cultivating material additive has a total selenium content of 5-500 mg / kg, thegrain sizes of the particles in the selenium-rich cultivating material additive are in the range of 0.005-5.0 mm with multi-grain-size regional distribution, the particles having a grain size of 1.0-5.0 mm account for at least 10 percent of the total weight of the additive, while the particles having a grain size of 0.005-0.1 mm account for at least 40 percent of the total weight of the additive;according to the respective parts by weight portions, the raw materials of components used in the selenium-rich cultivating material additive comprise 100 portions of cotton shells and 0.0011-0.11 portion of sodium selenite. The method has the advantages that the selenium utilization factor in oyster mushroom is high, and the selenium content in different batches of oyster mushroom is stable; besides, the method has no potential danger of selenium pollution, is convenient to operate, and easy to promote.

Description

Technical field [0001] The invention relates to a method for fortifying selenium nutrition of edible fungi, in particular to a method for strengthening selenium nutrition of oyster mushroom with sodium selenite as a selenium source, and belongs to the technical field of biological transformation of selenium resources. Background technique [0002] Selenium is an essential trace element for the human body. The lack of selenium will significantly reduce the body's immune capacity, and selenium-deficient areas are prone to endemic diseases such as Keshan disease, Kashin-Beck disease and cardiovascular and cerebrovascular diseases. Appropriate amount of selenium supplementation can significantly improve cancer, cataracts, and child malnutrition, and can avoid arteriosclerosis, hypertension, myocardial infarction, senile neurological insufficiency, memory and intellectual impairment caused by fibrosis of the cardiovascular and cerebrovascular walls The occurrence of the disease. Sele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/04C05G3/00
Inventor 李飞李红丽
Owner SUZHOU SETEK
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