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Selenium-rich spray solution as well as preparation method and application thereof

A technology for spraying liquid and enriching selenium, which is applied in the field of plant nutrient solution, can solve the problems of high production cost of selenium-containing fertilizer, human toxicity, poor crop effect, etc., so as to improve seed setting rate and stress resistance, increase yield, and increase nutritional components. Effect

Inactive Publication Date: 2017-11-17
北京慈明堂医学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The first object of the present invention is to provide a selenium-enriched spray solution to improve the technical problems in the prior art that the production cost of selenium-containing fertilizers is too high, the effect on crops is poor, and it is easy to cause poisoning to the human body

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  • Selenium-rich spray solution as well as preparation method and application thereof
  • Selenium-rich spray solution as well as preparation method and application thereof
  • Selenium-rich spray solution as well as preparation method and application thereof

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preparation example Construction

[0045] Optionally, in the selenium-enriched spray liquid provided by the embodiment of the present invention, the selenium content in the selenium-enriched black fungus defatted dry powder is ≥0.15 mg / kg; preferably, the preparation method of the selenium-enriched black fungus defatted dry powder comprises the following steps: The selenium black fungus fruit body is washed, dried, ground and sieved, then degreased with an organic solvent, centrifuged to discard the supernatant, and then dried to obtain the selenium-enriched black fungus defatted dry powder.

[0046] Preferably, the drying temperatures are independently 50-60°C; alternatively, the drying temperatures are independently typical but not limited to 50°C, 51°C, 52°C, 53°C, 54°C, 55°C, 56°C °C, 57°C, 58°C, 59°C or 60°C.

[0047] Preferably, the sieve mesh is 60-100 mesh; alternatively, the sieve mesh is typically but not limited to 60, 80 or 100 mesh.

[0048] Preferably, the organic solvent is acetone, the degreasi...

Embodiment 1

[0072] A selenium-enriched spray solution, in terms of volume percentage, mainly consists of the following components: 0.6% of organic selenium element extract, and the balance is water;

[0073] In terms of parts by mass, the organic selenium element extract is mainly made of the following raw materials: 1 part of selenium-enriched corn flour and 10 parts of double distilled water.

[0074] The preparation method of the above-mentioned selenium-enriched spray liquid comprises the following steps: (1) mixing the selenium-enriched corn flour and double-distilled water in the formula amount, stirring at 25° C. for 20 minutes at a stirring speed of 1000 rpm, and centrifuging at 3000 rpm for 20 minutes to obtain the supernatant solution, then add double distilled water to the residue, stir and repeat the extraction for 2 times, and combine the supernatant obtained 3 times to obtain the organic selenium element extract; (2) mix the organic selenium element extract with the formula a...

Embodiment 2

[0076] A selenium-enriched spray solution, in terms of volume percentage, mainly consists of the following components: 1.2% of organic selenium element extract, and the balance is water;

[0077] In terms of parts by mass, the organic selenium element extract is mainly made of the following raw materials: 3 parts of selenium-enriched malt powder and 15 parts of double distilled water.

[0078] The preparation method of the above-mentioned selenium-enriched spray liquid comprises the following steps: (1) mixing the selenium-enriched malt powder and double distilled water in the formula amount, stirring at 20° C. for 30 minutes at a stirring speed of 800 rpm, and centrifuging at 5000 rpm for 10 minutes to obtain the supernatant solution, then add double distilled water to the residue, stir and repeat the extraction for 2 times, and combine the supernatant obtained 3 times to obtain the organic selenium element extract; (2) mix the organic selenium element extract with the formula...

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Abstract

The invention discloses a selenium-rich spray solution as well as a preparation method and application thereof, which relate to the technical field of plant nutritional solutions, and solves the technical problems in the prior art that the selenium-containing nutritional solution is high in production cost, poor in effect on crops and easy to produce poisonous effect on the human body. The selenium-rich spray solution is mainly prepared from the following components by volume percent: 0.6 to 1.2 percent of organic selenium extract and the balance of water. The selenium-rich spray solution comprises the organic selenium extract, and is mainly sprayed in an irrigation period after earing and blossoming of the crops, can effectively improve setting percentage and stress resistance of the crops, can increase the yield of the crops and can increase the selenium content in seeds or fruits. The selenium-rich spray solution provided by the invention is low in cost, capable of ensuring that the selenium content of the crops to reach or exceed the national selenium limit standard in food (State Hygiene Standard LB13105-91), and is nontoxic and harmless to the human body, and safe.

Description

technical field [0001] The invention relates to the technical field of plant nutrient solutions, in particular to a selenium-enriched spray solution and its preparation method and application. Background technique [0002] Selenium is one of the essential trace elements for the human body, which cannot be synthesized by the human body and is mainly obtained from the daily diet. Selenium participates in the synthesis of various selenium-containing enzymes and selenoproteins in the human body, among which glutathione peroxidase catalyzes the conversion of hydroperoxides or lipid peroxides into water or various alcohols in organisms, eliminating Free radicals attack biofilms and protect biofilms from oxidative damage; in the human body, selenium and vitamin E work together to protect cell membranes and prevent the oxidation of unsaturated fatty acids; selenium can also improve human immunity and promote the proliferation of lymphocytes and synthesis of antibodies and immunoglo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00A01C21/00
CPCA01C21/005C05D9/02C05G3/00C05G5/23C05F11/00
Inventor 丁群
Owner 北京慈明堂医学研究院
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