40 results about "Zinc absorption" patented technology

The invention discloses trionyx sinensis breeding feed and its use and preparation method. The trionyx sinensis breeding feed comprises trionyx sinensis compound feed and nano-zinc oxide mixed with the trionyx sinensis compound feed. Nano-zinc oxide is a nanoscale nutrient, can diffuse by passive transport so that the physical agility of an aquatic animal is saved, can be transported to tiny blood capillaries so that a zinc absorption rate is improved. Nano-zinc oxide can diffuse fast and thus a body can synthesize zinc-containing substances in a shortest period so that it is caused that the changes of a zinc-containing enzyme level, the secretion of a hormone related to zinc and zinc finger proteins influence the synthesis and the level of insulin, sex hormones and zinc finger proteins. Therefore, protein synthesis is promoted; nitrogen utilization efficiency of an animal is improved; excretion of nitrogen of manure and urine is reduced; and the pollution produced by nitrogen on the environment is reduced. Nano-zinc oxide has a certain moldy feed defense capability and thus when moldy feed enters into an intestinal tract, nano-zinc oxide can adsorb mycin of the moldy feed and discharge the mycin from the body so that disease prevention is realized and a physical ability of an aquatic animal is improved.

The invention discloses a method for producing enoki mushrooms rich in selenium and zinc and belongs to the field of edible fungi cultivation. The method comprises stock preparation, original strain preparation and enoki mushroom cultivation. Sodium selenite and zinc sulfate are added in a stock preparation culture medium and an original strain preparation culture medium and enoki mushroom culture compost. The stock preparation culture medium is composed of, by weight, 200g of potatoes, 25g of glucose, 30g of agar, 3g of peptone, 0.5g to 1g of monopotassium phosphate, 0.5g to 1.5g of magnesium sulfate, 11mg to 13mg of sodium selenite, 0.2g to 0.4g of heptahydrate and 1000g of water. The enoki mushrooms are high in selenium and zinc absorption in the growth process, and the yield is high.

The invention provides a metal-chelating peptide, wherein the metal can be Ca, Fe and Zn, and the invention particularly relates to a method for preparing metal-chelating peptide through dual-enzyme cooperative hydrolysis. Ocean source fishskin and fish scale protein are used as the raw materials, compounding of compound protease and flavourzyme is used for carrying out enzymolysis on the raw materials, the metal-chelating peptide is obtained after separation, purification and freezing and drying, and the amino acid sequence of peptide is kngedg. Amino acid and small peptide have the effect of promoting zinc absorption, the biology utilization rate of metal compounds like Fe and Zn of amino acid or peptide is higher than that of inorganic salt, and the metal compounds have no toxic and side effects. Study and development of the biostate zinc-proteolysis chelating zinc have important significance.

The invention relates to a preparation method for bean sprouts containing organic zinc. In recent years, the influence of zinc deficiency on the physical health is paid more and more attention, especially, the invisibility and the severity of the zinc deficiency phenomenon of children brings the attention of people. The use of zinc gluconate effectively reduces the zinc deficiency disease, but because the molecular structure of zinc gluconate after being taken and decomposed in the body has loose in-body combination on the cell membrane, the zinc absorption effect is still poor. The preparation method of the invention comprises the following steps: placing bean seeds into zinc (Zn<plus2>) solution with the concentration between 0.1mg / ml and 400mg / ml; soaking for 12 to 24 hours, and transforming the bean sprouts into bean sprouts containing organic zinc.Therefore, the biotransformation of organic zinc can be truly realized, and human bodies can easily absorb and utilize organic zinc. Compared with zinc replenishment products on the market, the preparation method has the advantages that the organic bean sprouts can be used for zinc supplementation, in addition, the cost is low, and no harm can be caused even if a large amount of organic bean sprouts are eaten.

The invention discloses trionyx sinensis breeding feed and its use and preparation method. The trionyx sinensis breeding feed comprises trionyx sinensis compound feed and nano-zinc oxide mixed with the trionyx sinensis compound feed. Nano-zinc oxide is a nanoscale nutrient, can diffuse by passive transport so that the physical agility of an aquatic animal is saved, can be transported to tiny blood capillaries so that a zinc absorption rate is improved. Nano-zinc oxide can diffuse fast and thus a body can synthesize zinc-containing substances in a shortest period so that it is caused that the changes of a zinc-containing enzyme level, the secretion of a hormone related to zinc and zinc finger proteins influence the synthesis and the level of insulin, sex hormones and zinc finger proteins. Therefore, protein synthesis is promoted; nitrogen utilization efficiency of an animal is improved; excretion of nitrogen of manure and urine is reduced; and the pollution produced by nitrogen on the environment is reduced. Nano-zinc oxide has a certain moldy feed defense capability and thus when moldy feed enters into an intestinal tract, nano-zinc oxide can adsorb mycin of the moldy feed and discharge the mycin from the body so that disease prevention is realized and a physical ability of an aquatic animal is improved.

The invention provides functional zinc-rich and nitrogen-fixation biological bacterial fertilizer, belongs to the technical field of biofertilizer and can solve the problems of pollution caused by fertilizer application as well as low effective utilization rate of existing biofertilizer. The functional zinc-rich and nitrogen-fixation biological bacterial fertilizer comprises components by mass asfollows: 25%-35% of mineral substances with zinc content being 5 mg / kg, 25%-35% of an EM bacteria agent and 40%-50% of humic acid; the zinc-rich mineral substances are calcined at the temperature of 1600-1800 DEG C, harmful heavy metal is removed through extraction after calcination, the EM bacteria agent is added to the extracted mineral substances, fermentation is performed for 7-10 days, neutral mineral substances with activated zinc and organic matter are obtained after the fermentation and are ground, then humic acid is added and mixed uniformly with the neutral mineral substances, and the functional zinc-rich and nitrogen-fixation biological bacterial fertilizer is obtained. According to the biological bacterial fertilizer, zinc absorption of plants can be greatly promoted.

The invention discloses a method for leaching copper from pickling copper slag of zinc hydrometallurgy, belongs to the technical field of copper recovery, and solves the existing problems of difficulty in leaching copper from pickling copper slag, long process flow and high cost. The method for leaching copper from the pickling copper slag of zinc hydrometallurgy comprises the following steps: putting the pickling copper slag into a roasting furnace to oxidize and roast to obtain the roasting slag; grinding and screening the roasting slag to obtain the roasting slag to be treated; Glycine leaching agent, adjust the pH of the leaching agent; mix the to-be-treated roasting slag with the leaching agent, selectively leach the copper in the to-be-treated roasting slag and filter to obtain the leaching solution and leaching residue; mix the leaching solution and oxalic acid solution for copper precipitation, and filter to obtain oxalic acid Copper precipitation and copper-precipitating liquid; wash the copper oxalate precipitation and put it into a high-temperature roasting furnace for thermal decomposition to obtain copper powder. After the copper powder is washed with dilute acid, impurities are removed, and dried, high-purity copper powder is obtained. The method of the invention effectively realizes the separation of copper, zinc and cadmium.

The invention discloses a small cluster water zinc supplementation oral liquid, and a preparation method and application thereof. The small cluster water zinc supplementation oral liquid comprises ingredients of zinc medicament, methylpyridine acid, sweetener and edible essence. The invention combines a characteristic that small cluster water can be easily absorbed by cells and a characteristic that methylpyridine acid can promote zinc absorption with zinc supplementation; water molecule cluster is treated into small clusters and coordinated with zinc to form zinc coordinated water, which haszinc as a center and 6-8 surrounding water molecules; and the obtained small cluster water zinc supplementation oral liquid has a higher absorptivity than an ordinary zinc oral liquid.

The invention provides a product suitable for zinc supplementation of a child. The product suitable for zinc supplementation of the child comprises, in parts by weight, 2 parts of fine micro konjak flour, 0.012 part of zinc gluconate, 3.868 parts of maltodextrin, 2 parts of maltitol, 0.09 part of citric acid, 0.03 part of sweet orange flavor, 1 part of orange powder and 1 part of apple powder. A production method of the product suitable for zinc supplementation of the child is further provided. The production method of the product suitable for zinc supplementation of the child comprises the steps of raw material preparation, measuring, mixing and post-treatment; during raw material preparation, the raw material standard of the fine konjak powder is in GB / T18104-2000, and the raw material standard of the zinc gluconate is in GB 8820-2010 in the national food safety standard; and the method further comprises the step of preprocessing of the fine micro konjak flour. According to the product suitable for zinc supplementation of the child, the zinc absorption rate is high, the bioavailability is high, the stress resistance capability of the body is improved, and the whole performance ofthe product is improved, so that the long-standing defects of existing child zinc supplementation products are overcome.

A method for preparing a fermented zinc feed additive. Firstly, the industrial and agricultural by-products such as alcohol industrial yellow water, bran, flour slag, and corn flour are used as raw materials to prepare a fermentation substrate, and then zinc-rich microorganisms are obtained through microbial screening and domestication culture, and It is inoculated in the obtained fermentation substrate for fermentation, and then the fermented material is dried, pulverized and packaged to obtain the product. Compared with chemically synthesized zinc feed additives, the present invention uses by-products such as slag, bran, and alcohol industrial yellow water as culture materials and substrates, thereby expanding resource utilization and reducing the production cost of zinc feed additives, and the prepared The bioavailability of fermented zinc feed additive is more stable and the absorption rate is higher. Its zinc absorption rate is 30%~42%, which is 2.3~3.3 times of inorganic zinc sulfate absorption rate and 2.1~3.0 times of amino acid chelated zinc absorption rate. times.

The invention discloses a hot zinc plating zinc smoke air curtain and side-suction environmental protection apparatus, and belongs to the technical field of hot zinc plating flue gas recovery environmental protection. The hot zinc plating zinc smoke air curtain and side-suction environmental protection apparatus comprises a zinc pot, wherein a thermal insulation material is arranged surrounding the zinc pot, a furnace bottom observation chamber is arranged on the outer periphery of the thermal insulation material, both sides of the zinc pot edge are respectively provided with a separation plate, the separation plate is mainly used for preventing the generation of splashing when a product enters a zinc liquid, an air port is arranged above the separation plate, and the air port blows an obliquely downward air flow. According to the present invention, when a product enters the zinc liquid, a lot of zinc smoke can be produced, the air flow forms the air curtain to isolate the zinc smoke, the inward and downward swirl is generated on the inner side in the zinc pot to effectively block the rising zinc smoke, the platform is arranged above the air port so as to make the work conveniently perform necessary labor, the air suction port is arranged on the lower side of the separation plate and close to the pot edge position, and the negative pressure air flow exist in the air suction port, such that the zinc smoke is controlled at the position close to the zinc surface and is rapidly sucked out and treated under the double effects of the air curtain and the side suction, and the harm on the staff and the environment due to the spreading into the workshop can be prevented.

The invention provides a method for preparing a metal chelated peptide by an enzyme method. The method comprises the steps of carrying out enzymolysis on raw materials, namely marine-sourced fish skin and fish scale protein, by adopting a complex of protamex and flavorzyme, separating to purify, and carrying out freeze drying, thereby obtaining the metal chelated peptide. The amino acid sequence of the peptide is vgpsgpa. According to the method, amino acids and small peptides play a role in promoting zinc absorption, and the amino acids or metal complexes of the peptide, e.g. Fe and Zn, have higher biological utilization ratio than that of inorganic salts and are free from toxic and side effects, so that the method has a very important significance in the research and development of biological-state zinc-protein hydrolysate chelated zinc.

The invention discloses a method adopting OsRMC protein to cultivate a transgenic plant with improved iron absorption capability, which includes the step that the transgenic plant with the iron-deficiency tolerance and / or iron absorption and / or zinc absorption higher than that of a target plant can be obtained through transferring an encoding gene of the OsRMC protein to a target plant, wherein the OsRMC protein is (a) or (b): (a), the protein consists of an amino acid sequence represented in sequence 1 in a sequence table; and (b), the protein derived from the sequence 1, obtained through performing replacement and / or deletion and / or addition of one or more amino acid residues for the amino acid sequence in the sequence 1, and related to iron-deficiency tolerance and / or iron absorption and / or zinc absorption of the plant. The method is of great value on cultivating plants with high iron-deficiency tolerance, iron absorption and zinc absorption, as well as improving the output of plants.