41 results about "Eggs yolks" patented technology

The invention relates to a method for extracting lecithin from egg yolk. The method for extracting the lecithin from the egg yolk includes steps: (1) preparing binary extract liquid; (2)removing impurities in egg yolk liquid; (3) digesting the egg yolk liquid; and (4) filtering and drying crude extract liquid of lecithin. Since ethanol extract liquid in the prior art is replaced by the binary extract liquid of ethanol-ethyl ether, lecithin yield coefficient can be further facilitated; since a hollow fiber ultrafiltration membrane device with membrane molecular weight cutoff of 500-800 Da is employed for performing ultrafiltration for the crude extract liquid oflecithin, organic solvent residue in lecithin is further lowered and production purity is improved. Furthermore, the method for extracting the lecithin from the egg yolk is simple in technique, convenient to operate, applicable to large scale industrialized production, and the like.

The invention discloses safe feed for increasing the color grade of egg yolks and improving the laying rate of laying hens and preparation method of the feed. The feed is prepared from the following components in parts by weight: 40-65 parts of corn, 8-20 parts of soybean meal, 5-12 parts of corn protein powder, 3-10 parts of wheat middling, 5-10 parts of cottonseed meal, 3-6 parts of rapeseed meal, 2-6 parts of mountain flour, 3-10 parts of calcium hydrophosphate, 0.5-1.5 parts of soybean oil, 0.5-1.2 parts of trace elements, 0.5-1.2 parts of vitamins, 0.2-0.4 part of table salt, 0.1-0.3 partof amino acid and 2-4 parts of a toner. The feed disclosed by the invention applies the natural toner on the basis of providing necessary nutrient substances for vital activities of the laying hens,thereby increasing the color grade of the yolks and improving the quality of eggs, and meanwhile, the laying rate of the laying hens is improved; breeding profit is increased; the healthy developmentof China's poultry industry is facilitated; a very good application prospect is realized.

The invention discloses a nitrogen and phosphorus co-doped biomass carbon / lithium iron phosphate composite material and a preparation method thereof. The method comprises the following steps: taking a fresh egg yolk, and mechanically stirring to obtain a yolk liquid, wherein the rotating speed is controlled at 50r / min; uniformly mixing the obtained yolk liquid and deionized water according to the volume ratio of (0.5-2): 1, then adding a lithium iron phosphate precursor into the mixed liquid, and electromagnetically stirring until the mixture is completely and uniformly mixed to obtain viscous slurry; drying the obtained slurry in a vacuum drying oven at the temperature of 60-80 DEG C for 6-12 hours; and grinding the obtained dried sample, putting the ground dried sample into a crucible, and calcining in a vacuum tube furnace at 600-750 DEG C for 4-16 hours under the protection of argon to obtain the nitrogen and phosphorus co-doped biomass carbon / lithium iron phosphate composite material. The material can be used as a high-performance lithium ion battery positive electrode material. The raw material for preparing the composite material is biomass egg yolk, and has the advantages of being environmentally friendly, easy to obtain, low in cost and the like.

The invention relates to a porcine transmissible gastroenteritis virus yolk antibody and a preparation method thereof. A hen immunized with an inactivated porcine transmissible gastroenteritis virus TGEV-BD strain having a preservation number of CGMCC No. 13856 is employed, and the yolk antibody is extracted and purified from egg yolks of the hen. The porcine transmissible gastroenteritis virus yolk antibody prepared by adopting the method has the advantages of safety, high specificity, good treatment effect, low production cost, etc., and can effectively prevent and treat diseases caused by porcine transmissible gastroenteritis virus, and has good application prospect.

The invention belongs to the technical field of processing of medical raw materials, and relates to a method for efficiently extracting egg yolk lecithin from egg yolk. The method has the predominant characteristics that a frequency conversion magnetization device is arranged in an extraction kettle in an extraction process of supercritical carbon dioxide, and neutral lipid and lecithin (phosphatidylcholine) are enabled to generate obvious polarity change and are enabled to be separated, so that the extraction efficiency of supercritical carbon dioxide fluid is increased, the influence of the viscosity of the materials on the extraction is prevented, the extraction time is greatly shortened, and the extraction precision is improved. Particularly, fractional extraction is performed by changing magnetizing frequency, so that triglyceride and cholesterol in a lecithin crude product are subjected to sequential fractional separation of the lecithin, and finally, the high-purity yolk lecithin with the purity greater than 98 percent or above is obtained. Compared with a complete supercritical carbon dioxide extraction method, the method disclosed by the invention has the advantages that the working pressure is reduced, the extraction efficiency is improved, and the purity of the lecithin is improved. The method provides a technical support for efficiently extracting medical egg yolk lecithin.

The invention discloses a yak butter Qula biscuit and a preparation method thereof. The yak butter Qula biscuit is prepared from, by mass, 82-85 parts of flour, 15-18 parts of starch, 54-56 parts of yak butter, 19-21 parts of soft sugar, 29-31 parts of Qula, 2-4 parts of yak milk powder and 11-13 parts of egg yolk fluid. The yak butter Qula biscuit and the preparation method thereof have the advantages that the preparation method is simple and practicable, finished products are unique in flavor, and the nutrition is rich; according to the yak butter Qula biscuit, the flour, the yak butter, theQula, the starch, the soft sugar, eggs and the yak milk powder are taken as the raw materials, the crisp Qula biscuit with the rich nutrition and a healthcare function is made and is helpful for thehealth of the human body, the Qula is added into the biscuit, the content of proteins can be improved, and the biscuit has rich milk flavor.

The invention discloses egg yolk lecithin extraction equipment with high extraction rate, which comprises a bottom plate, the top of the bottom plate is provided with a support plate through bolts, the top of the support plate is provided with a mixing box, the top of the mixing box is provided with a sealing cover through a connecting screw rod, the top of the sealing cover is provided with a motor through bolts, and the motor is provided with a motor through bolts. A supporting table is mounted on one side of the mixing box, and a booster pump is mounted at the top of the supporting table. By installing the purifying box, the first control valve and the second control valve are opened, it is guaranteed that the interior of the device is communicated, lecithin is conveyed into the purifying box from the interior of the inner box through the first control valve, in the material moving process, materials are filtered through a filter screen on the inner side of the purifying box, and the quality of the materials is guaranteed; and the purification box outputs the materials into the conveying pipe through the second control valve, the conveying pipe conveys the materials into the output pipe, and the output pipe conveys the materials into the material receiving disc.

The invention discloses a preparation method of duck astrovirus type I yolk antibody, which comprises the following steps: (1) using duck astrovirus type I inactivated vaccine to immunize breeding-aged hens to obtain highly immune eggs; (2) collecting High-free egg yolk, remove the yolk membrane and frenulum, and use a colloid mill to crush it to obtain egg yolk; (3) Mix the egg yolk obtained in step (2) with purified water at a volume ratio of 1:1 to 3, and stir evenly Finally, add citric acid with a final concentration of 0.8-2.5% weight-volume ratio and 2-4% polyanionic cellulose, stir well, place at 1-5°C for 3-6 hours, centrifuge at 1-5°C, and collect the supernatant; (4) Filter and sterilize the supernatant collected in step (3) to obtain egg yolk antibody liquid. The preparation method of duck astrovirus type I yolk antibody disclosed by the invention has simple steps, high efficiency and yield, less addition, and is economical and applicable.

The invention discloses a formula and a method for emulsifying and mixing DHA eggs and yoghourt. The formula comprises the following raw materials: 1-10 parts of auxiliary materials, 1-5 parts of milk protein, 1-5 parts of corn syrup, 1-5 parts of glucose, 0-1 part of ascorbic acid, 20-30 parts of DHA egg yolk, 5-10 parts of white granulated sugar, 1-2 parts of fructo-oligosaccharide, 0-1 part of a thickener and raw milk or milk powder capable of preparing the yoghourt. Compared with other treatment processes, the process is mature, the product is rich in a large amount of DHA capable of being absorbed by a human body, the DHA absorption rate of the human body is increased, the efficacy of the DHA is guaranteed, DHA eggs and yoghourt are emulsified and mixed, quick-frozen and subjected to vacuum freeze drying treatment after being prepared, nutritional ingredients in the yoghourt can be increased, the situation that the nutritional ingredients are too single is avoided, meanwhile, the problem that the baking process is prone to causing loss of nutritional ingredients in the yoghourt is avoided, the nutrition of the product is ensured, by adopting a vacuum freeze drying treatment mode, the emulsified product can be stored for a long time without layering, and thus the use of additives in the production process is reduced.

The invention discloses a yolk antibody against duck reovirus, and a preparation method and application of the yolk antibody. The yolk antibody obtained by taking inactivated duck reovirus with a preservation number of CCTCC NO: V201843 as an antigen for preparing a vaccine immunized laying hen and performing extraction and purification on high-immunity egg yolks. The prepared yolk antibody is good in safety and does not cause any local or systemic adverse reactions, also can effectively prevent and / or treat infection of novel duck reovirus, and has good commercial development prospect.

The invention discloses a preparation method and application of an edible non-discoloring astaxanthin-rich cosmetic raw material, and belongs to the technical field of cosmetics. According to the preparation method, haematococcus pluvialis is fed to laying hens, so that egg yolk of eggs produced by the laying hens is rich in astaxanthin, and a dry powder raw material product is prepared through spray drying. The raw material rich in astaxanthin has the advantages of edibility, stable character, difficulty in discoloration and decomposition and rich lecithin, and the sensory, physicochemical and hygienic indexes all meet the standard requirements of cosmetic raw materials in China; and edible raw materials and active ingredients are adopted, and can be applied to preparation of cosmetic dosage forms such as external masks, essence, face cream, facial cleanser and toning lotion. The raw material is rich in biotransformed astaxanthin, so that the activity is very stable, and the raw material has the effects of resisting oxidation and aging, improving skin immunity, preserving moisture, fading pigment, tightening skin and improving beauty of appearance; and meanwhile, the food-grade raw materials further enable the cosmetics to be safer and safer.

The invention discloses a preparation method of duck reovirus yolk antibody, which comprises the following steps: (1) using duck reovirus inactivated vaccine to immunize breeding-aged hens to obtain high-immunity eggs; (2) collecting high-immunity eggs Egg yolk, after removing the vitelline membrane and frenulum, crush it with a colloid mill to obtain egg yolk liquid; (3) mix the egg yolk liquid obtained in step (2) with purified water at a volume ratio of 1:1 to 3, stir well and then add The final concentration weight volume ratio is 1-3% citric acid and 1-4% polyanion cellulose, after fully stirring, place it at low temperature for 3-6 hours, centrifuge at 1-5 ° C, and collect the supernatant; (4) the step (3) The collected supernatant was sterilized by filtration to obtain egg yolk antibody liquid. The preparation method of duck reovirus yolk antibody disclosed by the invention has simple steps, high efficiency and yield, less addition, and is economical and applicable.