2269 results about "Lysozyme" patented technology

The present invention relates to ionic silicone hydrogel polymers displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.

The invention relates to a foodstuff that can enhance the milk yield of lactation period sow, consisting of the following components in weight portion: 250 to 350 portions of calcium hydrogen phosphate, 250 to 350 portions of mountain meal, 100 to 130 portions of common salt, 30 to 40 portions t of choline, 45 to 55 portions of complex trace elements, 8 to 12 portions of complex vitamin, 30 to 50 portions of potassium chloride, 5 to 15 portions of methionine, 15 to 35 portions of lysine, 2 to 8 portions of valine, 50-150 portions of zeolite powder, 15 to 25 portions of medium and short chain fatty acids, 5 to 20 portions of feed attractant, 0.5 to 1 portions of lysozyme, 10 to 25 portions of mycotoxin absorbent, 5 to 7 portions of vitamin E, 2 to 5 portions of phytase, and 3 to 6 portions of chromium Picolinate. The invention adds nutritive additives and mycotoxin absorbent etc. into the foodstuff, thereby obviously intensifying the immunity of lactation period sow, dramatically enhancing the milk yield, bringing forward the oestrous period, and significantly increasing the ablactation weight of the piglet.

The invention relates to a method for preparing a novel ocean lysozyme antibiotic preservative coated film. The method is characterized by comprising the following steps of: preparing solution of sodium alginate by dissolving sodium alginate and glycerol in sterile water; adding a compound preservative formed by cean lysozyme, potassium sorbate and tea polyphenol in the solution of sodium alginate to prepare solution of antibiotic film; and colloidizing the solution of antibiotic film in 4 to 6 weight percent CaC12 solution to obtain the film. The method has the advantages of simple process, low cost, high performance-to-price ratio, good preservative effect, safety and wide application to freshness keeping of various aquatic products.

The invention relates to the fields of microorganism preparations and aquaculture, and discloses a lysozyme microcapsule. The microbial lysozyme microcapsule is prepared by the following steps of: (1) dropping a mixing solution of sodium alginate and lysozyme into an acetic acid solution containing chitosan and calcium chloride, and stirring; (2) after dropping, curing for 0.5-4hours, and taking and washing a solid to obtain lysozyme / sodium alginate / chitosan beads; and (3) pre-freezing the lysozyme / sodium alginate / chitosan beads, and freeze-drying. The microcapsule disclosed by the invention is used for preparing fish feed, and is capable of reserving comparatively high activity of the microbial lysozyme after being extruded at the high temperature in the feed processing; in the process of conserving at normal temperature, the stability of the microbial lysozyme can be kept for more than half an year; and in feeding and breeding, the microbial lysozyme can bear the strong acid and digesting environment in the stomach of the aquatic animal, release in the intestinal tract and develop an effective growth-promoting healthcare effect.

The invention provides for cells containing nucleic acids which include lysozyme gene expression controlling region nucleotide sequences which typically are linked to a polynucleotide encoding a heterologous polypeptide.

A process for spirulina deodorization relating to a kind of spirulina, particularly, a method of deodoeization by means of fermentation. And an effective method for spirulina deodorization is provided. Steps are, spirulina wall-breaking; adding glucose into already wall-broken spirulina liquid, inoculating active dried yeast, fermenting. Said spirulina wall-breaking by means of enzymolysis-isotropic wall-breaking and its steps are, adopting lysozyme enzymolysis, after enzymolysis to be crushed evenly. In the best conditions of technique, said wall-broken spirulina liquid containing slight fresh flavor and keeping original color.

The invention relates to biological complex enzyme toothpaste and a preparation method thereof. The toothpaste is prepared from the following components by weight percentage: 5-10% of sorbierite, 15-20% of hydrous silica, 10-20% of aluminum hydroxide, 10-20% of glycerin, 2-3% of sodium lauroyl sarcosine, 1-1.3% of flavor, 0.8-1.2% of cellulose gum, 0.3-0.6% of carrageenin, 0.3-0.5% of droxyethylcellulose, 0.5-1.2% of sodium phytate, 0.15-0.3% of saccharin sodium, 0.3-0.5% of strontium chloride, 0.1-0.3% of trisodium phosphate, 0.00003-0.00008% of staphylococcus lysozyme, 0.00005-0.00015% of muramidase, 0.00001-0.00004% of proteolytic enzyme, 0.00002-0.00005% of glycosidic hydrolase, 0.00002-0.00005% of peroxydase, 0.08-0.15% of borneol, 0.1-0.15% of borax, 0.08-0.1% of vermilion, 0.1-0.15% of natrii sulfas exsiccatus, 0.05-0.1% of triclosan, 0.1-0.4% of allantoin, and the balance of water. The total weight percentage of the components is 100%. The biological complex enzyme toothpaste has complete function.

The invention discloses a preparation method of a controlled release antibacterial film. The method includes the following steps of: (1) dissolving zein and a hydrophobic antibacterial agent into an alcoholic solution; (2) preparing a sodium caseinate aqueous solution; (3) adding the sodium caseinate aqueous solution into the solution obtained in step (1) under stirring; (4) subjecting the solution obtained in step (3) to rotary evaporation and centrifugation, then freeze drying the supernatant, thus obtaining nanoparticle powder; (5) dissolving a film-forming matrix in water, adding the nanoparticle powder and lysozyme to form a mixed solution; and (6) adding glycerin, and conducting film pouring, thus obtaining the film product. The method provided in the invention can simultaneously reduce initial microbial activity and inhibit microbial growth for a long term, and has the advantages of low instrument requirement, and controllable bacterium inhibiting intensity, thus having broad application prospects in food and medical products.

The invention discloses a freezing method of fresh shrimp and a freeze protective agent of fresh shrimp. The protective agent comprises the first biological preservative and the second biological preservative; the first biological preservative is tea polyphenol solution; and the second biological preservative is a mixture of chitosan, sodium alginate, calcium chloride, lysozyme, propolis, lactoferritin, xylitol and sorbicolan. The protective agent is utilized for freeze preservation of fresh shrimps. The freeze protective agent of fresh shrimp disclosed by the invention is prepared from natural ingredients; the first biological preservative and the second biological preservative are combined, so that the fresh flavor and the original state of appearance of the aquatic products can be better protected; moreover, the freeze protective agent of fresh shrimp reduces nutrient loss, such as protein loss and the like, while inhibits bacteria production; thus, the freeze protective agent of fresh shrimp is capable of greatly prolonging the shelf life and the storage period of the aquatic products.

The invention discloses a fresh keeping agent containing essential oil, for fruits, and an application. The fresh keeping agent for fruits is characterized by being compounded from lysozyme, tea polyphenols, nisin, essential oil A, essential oil B, Vc and distilled water in a certain proportion. According to the fresh keeping agent for fruits, disclosed by the invention, the essential oil is optimized to be used as a main component of the fresh keeping agent, so that the fresh keeping agent has excellent effects of bacteriostasis and oxidation resistance and is applied to corrosion resistance and fresh keeping of the fruits, the fresh keeping and storage period of the fruits can be greatly prolonged, the fruits are guaranteed to maintain original quality in the fresh keeping period, and the quality of the fruits is effectively guaranteed. The fresh keeping agent for the fruits, disclosed by the invention is simple in compounding method, and convenient to apply; and the fresh keeping agent is completely compounded from natural components, and harmful chemical substances are not added, so that the fresh keeping agent is safe and environmental-friendly, and has an important industrial value.

Disclosed herein is a composition and a method for the treatment of otitis media and paranasal sinusitis using human defensins, lysozyme and / or lactoferrin as a new class of non-antibiotic antimicrobials. From studies of otitis media and paranasal sinusitis, it was observed that certain innate immune modulators were important in the bodies response to the infection. Therefore, these innate immune modulators, lysozyme, lactoferrin, and defensins were tested for use as a non-antibiotic treatment for infection, particularly infections such as otitis media and sinusitis.

The invention belongs to the technical field of environment-friendly water treatment, particularly relates to a water purifying agent for wastewater treatment in rubber accelerator M production and further relates to a method for treating rubber accelerator M production wastewater by adopting the water purifying agent. The water purifying agent contains a flocculation water purifying agent, a microbial water purifying agent and an enzyme preparation, wherein the flocculation water purifying agent is prepared from polyaluminum chloride, polyacrylamide, ferrous sulfate and aluminum sulfate; the microbial water purifying agent is prepared from nitrobacterium powder, paracoccus denitrificans powder, thiobacterium powder, aniline degrading bacteria powder and flocculating bacteria powder; the enzyme preparation is prepared from pectinase, cellulase, oxidoreductase, lysozyme and alkaline proteinase. The water purifying agent and the method have the beneficial effects that by adopting the water purifying agent for wastewater treatment, disclosed by the invention, the water purifying effect is good, the water purifying speed is high, the safety is high, and no secondary pollution is caused; materials with adsorption capacity are used as raw materials and are assisted with microbes, so as to treat the wastewater, so that the range of use is wide, the transparency of treated water is extremely high, and recycling can be achieved.