Method for cultivating selenium-enriched auricularia auricula

A cultivation method and technology of fungus, applied in the cultivation field of selenium-enriched fungus, can solve the problems of low selenium absorption and utilization efficiency, low proportion of organic selenium, etc., and achieve the effect of stable selenium content and high content of organic selenium

Inactive Publication Date: 2017-01-11
QIJINGSHAN FOOD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a selenium-enriched cultivation method for fungus, which uses agricultural and forestry waste such as straws, in view of the defects that the absorption and utilization efficiency of selenium in the traditional cultivation method of fungus is not high, and the proportion of organic selenium in the form of selenium is not high. Substituting the base material for local fungus production, the quality and output of fungus have not declined, and the content of organic selenium in selenium-enriched fungus is high and the selenium content is stable after mass production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A cultivation method of selenium-enriched fungus, comprising the following steps:

[0025] 1. Mixing material: weigh 88.5% of cottonseed hulls, 10% of wheat bran or rice bran, and 1% of gypsum powder the night before, so that the pH value reaches 8.0-9.0, and add water until the water content reaches 60%-65%. Grab it with one hand, it is suitable for there to be water droplets between the fingers but not to drip, and mix well to make it absorb enough water.

[0026] 2. Add exogenous selenium: prepare sodium selenite into a solution with a concentration of 100ppm, spray it directly on the base material, and control the total amount of selenium at 2mg / kg dry material.

[0027] 3. Bagging: bagging machine or manual bagging can be used. The amount of culture material loaded is two-thirds of the height of the bag (each bag has a single weight of about 0.55-0.65kg), and then placed on a smooth board. Flatten the surface with your hands, then wipe the inner wall of the bag op...

Embodiment 2

[0037] A cultivation method of selenium-enriched fungus, comprising the following steps:

[0038] 1. Mixing material: weigh 88.5% of cottonseed hulls, 10% of wheat bran or rice bran, and 1% of gypsum powder the night before, so that the pH value reaches 8.0-9.0, and add water until the water content reaches 60%-65%. Grab it with one hand, it is suitable for there to be water droplets between the fingers but not to drip, and mix well to make it absorb enough water.

[0039] 2. Add exogenous selenium: Soak 100kg of the total amount of wheat 50%, soybean 44%, and corn 6% into 400g sodium selenite (solution concentration: 2.5%) solution for germination, temperature 25°C-30°C, avoid light After 48h~60h, after the hypocotyl is 1cm~2cm white, dry at low temperature, pulverize, add to the base material, the selenium content of the pulverized product is ≥2000mg / kg. Add 1g~2g of dry powder to each bacteria bag.

[0040]3. Bagging: bagging machine or manual bagging can be used. The amo...

Embodiment 3

[0050] A cultivation method of selenium-enriched fungus, comprising the following steps:

[0051] 1. Mixing material: weigh 88.5% of cottonseed hulls, 10% of wheat bran or rice bran, and 1% of gypsum powder the night before, so that the pH value reaches 8.0-9.0, and add water until the water content reaches 60%-65%. Grab it with one hand, it is suitable for there to be water droplets between the fingers but not to drip, and mix well to make it absorb enough water.

[0052] 2. Adding exogenous selenium: dry and crush selenium-enriched milkvetch until the particle size is less than 0.1 mm, and evenly mix it into the base material so that the selenium content in the base material reaches 2 mg / kg.

[0053] 3. Bagging: bagging machine or manual bagging can be used. The amount of culture material loaded is two-thirds of the height of the bag (each bag has a single weight of about 0.55-0.65kg), and then placed on a smooth board. Flatten the surface with your hands, then wipe the inn...

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Abstract

The invention provides a method for cultivating selenium-enriched auricularia auricular, and belongs to the technical field of healthcare food cultivation and processing. The selenium-enriched auricularia auricular is cultivated by using forestry and agricultural residues as main raw materials, wheat bran, quick lime, gypsum powder and the like as auxiliary materials and an organic or inorganic selenium source in addition; the raw materials comprises the following components: 88.5% of cotton seed hull, 10% of the wheat bran or rice bran, 1% of the gypsum powder and 0.5% of the quick lime. The method comprises the following steps: cutting the cotton seed hull into segments or crushing the cotton seed hull, adding the auricularia auricular cultivation auxiliary materials, namely, the wheat bran or the rice bran, the gypsum powder, the quick lime and the like, and matching and combining the materials according to a ratio, thereby obtaining a substitute cultivation medium. By adopting the method for cultivating the selenium-enriched auricularia auricular, local auricularia auricular production base materials can be partially replaced by the forestry and agricultural residues such as cotton stems or straw, the quality of the auricularia auricular is not degraded, the yield of the auricularia auricular is not reduced, the content of selenium in the selenium-enriched auricularia auricular is high, and in addition the content of the selenium is stable in in-batch production.

Description

technical field [0001] The invention relates to the technical field of cultivation and processing of health food, in particular to a cultivation method of selenium-enriched fungus. Background technique [0002] Selenium is an essential trace element for the human body. It is an essential component of glutathione peroxidase in the body. Selenium has an antioxidant effect and is closely related to human health. Selenium has anti-cancer, heart protection, anti-hepatic necrosis, and prevention of myopia and cataracts , detoxification, improving immunity, delaying aging and enhancing reproductive function and other pharmacological effects. Therefore, looking for and developing selenium-enriched products to ensure that the human body absorbs sufficient selenium is being paid attention to by more and more people. Fungus belongs to Fungi, Basidiomycetes, Agaricaceae, Auriculariaceae, Auricularia, edible, crisp texture, has been widely cultivated in China at present, Auricularia has ...

Claims

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Application Information

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IPC IPC(8): A01G1/04
Inventor 程玖瑛
Owner QIJINGSHAN FOOD CO LTD
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