232 results about "Soybean Phospholipids" patented technology

The invention discloses a soybean phospholipid disease-preventing and root-promoting microbial agent as well as a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises a microbial composition, modified enzymolysis soybean phospholipid, a carrier and auxiliary components. According to the invention, the modified enzymolysis soybean phospholipid and microorganisms are combined to achieve a synergistic effect. According to the method, soybean phospholipid is modified and subjected to enzymolysis, and the steps of pretreatment, stepped low-temperature treatment, enzymolysis treatment, enzyme inactivation and purification and the like are carried out, so that the quality and performance of the soybean phospholipid are improved, the rhizosphere colonization rate of strains can be increased, the disease prevention and root promotion effects can be improved, the soil micro-ecological environment can be improved, and good growth conditions are created for plant root systems; and the disease-preventing and root-promoting effects of the microbial agent are further enhanced. The microbial agent disclosed by the invention can be used for remarkably reducing the morbidity of wheat sharp eyespot and reducing the use amount of chemical pesticides, can also be applied to planting of other crops, and can play a role in preventing and controlling various plant diseases and promoting root growth.

The invention belongs to the technical field of traditional Chinese medicines and cosmetics, and particularly relates to eutectic resveratrol, a liposome thereof, a preparation method and application of the eutectic resveratrol. The eutectic resveratrol is prepared from the following raw materials: resveratrol, amino acid and glycerol; the amino acid is selected from one of proline, lysine and arginine. The eutecticevaporate resveratrol liposome is prepared from the following raw materials: soybean phospholipid, cholesterol and eutecticevaporate resveratrol, the mass ratio of the soybean phospholipid to the cholesterol is (1-9): 1, and the mass ratio of the sum of the mass of the soybean phospholipid and the cholesterol to the mass of the eutecticevaporate resveratrol is 1: (0.5-2). A method capable of improving the solubility and stability of resveratrol is found, the eutectic resveratrol liposome which is stable in particle size and PDI and excellent in zeta potential and has certain anti-oxidation and antibacterial performance is prepared, the solubility, stability and bioavailability of resveratrol (RES) are improved, and the resveratrol liposome is suitable for being used as an anti-inflammatory drug. And a new thought is provided for further development and application research of resveratrol (RES).

To provide a topical skin preparation that effectively promotes collagen production within the skin, exhibits excellent usability, and effectively enhances post-use stratum corneum moisture content.SOLUTION: A topical skin preparation comprises niacinamide, a heparin-like substance, dipotassium glycyrrhizinate, a collagen peptide, a yeast extract, and glycylglycine. It is preferable that the topical skin preparation further contains hydrogenated soybean phospholipids and phytosterols. It is more preferable that the topical skin preparation has a niacinamide content of 5 mass% or more. It is also preferable that the topical skin preparation further contains at least one plant extract selected from Arnica montana and Plantago major.SELECTED DRAWING: Figure 1

The present application provides a rhodiolide composition with a core-shell-shell structure, a preparation method thereof comprising the steps of: 1) EGCG inclusion: adding beta-cyclodextrin and EGCG into water, ultrasonic, forming an inclusion compound; 2) liposome assembly: weighing soybean phospholipid and cholesterol, dissolving in chloroform to form a uniform solution; weighing rhodiolide, dissolving in the uniform solution, rotary evaporation to remove chloroform, then adding the inclusion compound and PBS buffer into the container, hydrating, forming a liposome wrapping rhodiolide and inclusion compound; 3) shell loading: weighing collagen, mixing with chitosan solution uniformly to form a complex; adding the complex into the liposome, the complex is coated on the outer layer of the liposome, centrifugal purification, obtaining a rhodiolide composition with a core-shell-shell structure. The present application belongs to the technical field of cosmetic raw materials, and the rhodiolide composition provided has the advantages of high stability, good transdermal effect, and significant anti-aging effect.

The invention provides crab feed capable of improving the quality of crab cream. The feed is prepared from the following raw materials in parts by weight: 15-25 parts of white fish meal, 10-15 parts of fermented soybean meal, 50-60 parts of squid visceral meal, 45-50 parts of krill meal, 25-30 parts of beer yeast, 200-220 parts of high gluten flour, 45-50 parts of wheat bran, 10-20 parts of soybean lecithin oil, 5-10 parts of a vitamin premix special for crabs and 5-10 parts of a mineral premix special for crabs. According to the crab feed capable of improving the quality of the crab cream, on the basis of ensuring the ingestion and intestinal health of crabs, conditions are created for efficient nutrient absorption and utilization, then gonad development and flavor substance accumulation are driven through key substances, meanwhile, a three-dimensional anti-oxidation and immune protection system runs through all the time, the body health is guaranteed, and the crab feed has the effects of improving the crab cream quality and improving the crab cream quality. The method has the advantages of simple operation, stable color and flavor of the crab cream, sufficient energy supply in the whole process, and synergistic operation of all the systems, so that the disease resistance and survival rate of crabs are improved, and the accumulated nutrient substances are efficiently converted into the plump degree, delicious flavor and attractive color of the crab cream.

The invention provides a salidroside composition with a core-shell-shell structure, and a preparation method of the salidroside composition comprises the following steps: 1) EGCG (epigallocatechin gallate) clathration: adding beta-cyclodextrin and EGCG into water, and carrying out ultrasonic treatment to form a clathrate compound; 2) liposome assembly: weighing soybean phospholipid and cholesterol, and dissolving in chloroform to form a uniform solution; the preparation method comprises the following steps: weighing salidroside, dissolving the salidroside in a uniform solution, carrying out rotary evaporation to remove chloroform, then adding an inclusion compound and a PBS (Phosphate Buffer Solution) into a container, and hydrating to form lipidosome wrapping the salidroside and the inclusion compound; 3) shell loading: weighing collagen, and uniformly mixing the collagen with the chitosan solution to form a compound; the salidroside composition with the core-shell-shell structure is obtained by dropwise adding the compound into the lipidosome, coating the outer layer of the lipidosome with the compound and carrying out centrifugal purification. The invention belongs to the technical field of cosmetic raw materials, and provides a salidroside composition which has the advantages of high stability, good transdermal effect, remarkable anti-aging effect and the like.

The invention provides a multilayer lutein ester liposome as well as a preparation method and application thereof, and belongs to the field of food processing. The multi-layer lutein ester liposome is prepared from the following raw materials: 30 to 50 parts of lutein ester, 40 to 60 parts of soybean phosphatidylcholine, 5 to 20 parts of cholesterol, 10 to 25 parts of starch sodium octenylsuccinate, 20 to 40 parts of trehalose, 15 to 30 parts of mannitol, 4 to 10 parts of phosphatidyl glycerol, 1 to 2 parts of vitamin E acetate and 1 to 2 parts of ascorbyl palmitate. According to the present invention, through the specific food-grade raw material composition and the accurate ratio relationship, the comprehensive delivery system is constructed for the highly hydrophobic and unstable lutein ester, and the system synchronously achieves the high encapsulation efficiency, the excellent stability, the good water dispersibility and the slow release function.

The invention discloses a leontopodium alpinum callus extract as well as a preparation method and application thereof, and belongs to the technical field of plant active ingredient extraction. The leontopodium alpinum callus extract is prepared by the following steps: mixing leontopodium alpinum callus freeze-dried powder with a buffer solution, adding cellulase, pectinase and beta-glucanase, uniformly mixing, reacting to obtain primary enzymolysis slurry, adjusting the primary enzymolysis slurry to be neutral, adding phospholipase A2, stirring, reacting to obtain deep enzymatic hydrolysate, filtering, washing, and drying to obtain the leontopodium alpinum callus extract. Transferring into an extraction kettle, adding an entrainer, and extracting to obtain a leontopodium alpinum extract; dissolving soybean phospholipid and cholesterol in ethanol to obtain an organic phase; dispersing the leontopodium alpinum extract in a buffer solution to obtain an active matter water phase; and injecting the organic phase into the active matter water phase, stirring, carrying out reduced pressure distillation, and homogenizing. The preparation method provided by the invention can efficiently and completely obtain the active component, and the nano-liposome formed by phospholipid molecules can effectively improve the stability of the active component.

The present invention belongs to the field of soybean by-product processing and discloses a method for preparing high-quality transparent soybean lecithin, comprising the following steps: (1) a dual solvent system 1: dissolving soybean lecithin in a non-polar solvent, then adding a certain amount of monohydric alcohol aqueous solution and stirring to obtain a mixed solution 1; (2) centrifuging the mixed solution 1 to remove impurities and collecting the upper non-polar solvent clear liquid; (3) a dual solvent system 2: adding a certain amount of polyol to the collected upper non-polar solvent clear liquid and stirring to obtain a mixed solution 2; (4) centrifuging the mixed solution 2 to remove impurities and water, collecting the upper non-polar solvent clear liquid, and recovering the non-polar solvent to obtain transparent soybean lecithin. The method disclosed in the present invention has the advantages of simple process, low equipment requirements, and solvent recyclability. The prepared soybean lecithin has extremely high transparency and good fluidity, and no substances such as proteins and polysaccharides that affect the transparency of the soybean lecithin are detected.

The utility model discloses a soybean lecithin oil powder mixing device which comprises a mixing barrel, a barrel cover is installed on the mixing barrel, a stirring motor is installed on the barrel cover, a main stirring shaft and an auxiliary stirring shaft are arranged in the mixing barrel, the main stirring shaft is rotationally connected to the center of the auxiliary stirring shaft, a driving gear is fixed to the top end of the main stirring shaft, and a driving motor is installed on the driving gear. A gear ring is installed at the top end of the auxiliary stirring shaft, linkage gears are connected to the sides, close to each other, of the gear ring and the driving gear in a meshed mode, chain wheels are fixed to the bottom ends of the two linkage gears, and the two chain wheels are in transmission connection through a chain in a sleeving mode; and the main stirring shaft and the auxiliary stirring shaft are controlled to rotate reversely. According to the utility model, the main stirring shaft and the auxiliary stirring shaft are arranged in the mixing barrel, the main stirring shaft and the auxiliary stirring shaft can rotate in opposite directions for stirring, so that the caking condition of oil powder during stirring is reduced, and compared with the existing homodromous rotation stirring, the stirring is more sufficient, and the mixing effect is ensured.

This invention relates to the field of baking food processing technology, and discloses a method for preparing sponge cake using an oil gel as a substitute for butter. The method includes heating and stirring refined rapeseed oil and food-grade candelilla wax to obtain a lipid eutectic; after cooling, adding food-grade soybean lecithin and shearing and mixing; mechanically shearing and cooling to 45°C to obtain a microcrystalline network primary material; obtaining a modified oil gel through low-speed stirring, slow rewarming and constant temperature, and then cooling to 25°C and holding at that temperature; using this oil gel to replace butter and mixing with baking ingredients at low speed and forced shearing and whipping to obtain a batter; continuously baking in molds and naturally cooling and demolding to obtain a sponge cake. This invention utilizes lecithin and wax crystals to synergistically construct a three-dimensional network framework with thixotropic recovery capabilities, solving the defects of conventional oil gel networks that are fragile and easily damaged by shearing. It effectively traps air bubbles and prevents oil precipitation during the batter whipping stage, reducing saturated fat intake while resulting in a soft, porous sponge cake with no residual wax.

The invention discloses a preparation method of zoeae bait for blue crab artificial fry. The method comprises the following steps: weighing the following raw materials in percentage by weight: 31%-42% of muscula seeking, 29%-33% of hairtail, 15%-20% of metapenaeus vannamei and 5%-25% of nutritional materials; the nutritional material comprises fish meal, cuttlefish paste, soybean meal, high gluten flour, composite vitamins, a modified soybean phospholipid emulsifier, a dark plum extract and turmeric powder; the preparation method comprises the following steps: adding seawater with the same weight as the musculus seeking and the hairtail into the musculus seeking and the hairtail, crushing into a first clastic liquid through a crusher, then adding the miripenaeus vannamei into the first clastic liquid, and uniformly stirring to obtain a second clastic liquid; and adding compound protease and the like which are 0.33-0.45% of the weight of the second clastic liquid into the second clastic liquid.

The invention belongs to the field of soybean by-product processing, and discloses a method for preparing high-purity soybean phospholipid, which comprises the following steps: completely dissolving soybean concentrated phospholipid with an extractant, continuously adding the extractant, stopping adding the extractant after 30-50 wt% of precipitates are separated out, separating to obtain the precipitates and a mixed solution, standing the mixed solution, collecting the clarified mixed solution and the bottom precipitates, combining the precipitates to obtain soybean phospholipid mixture A; recovering the extractant in the clarified mixed solution to obtain soybean phospholipid mixture B, adding an ethanol aqueous solution, stirring until it becomes paste-like, adding an alkane solvent, stopping stirring after mixture B is completely dissolved, recovering the alkane solvent, soybean phospholipid mixture B is divided into two layers, removing the upper layer to obtain soybean phospholipid mixture C, removing water, and mixing it with soybean phospholipid mixture A. The acetone-insoluble matter content in soybean phospholipid mixture A is >95%, and the acetone-insoluble matter content in soybean phospholipid mixture C is >90%.

The application provides the technical field of medical materials and particularly relates to a kind of ultra-thin high-strength nanofiber medicinal casing and a preparation method thereof.The preparation method comprises the following steps: (1) preparing pretreated raw materials; (2) adding a complex enzyme to the pretreated raw materials for enzymolysis, enzymolysis at 35-40 DEG C for 5-8 h, enzyme inactivation, to obtain an enzymolysis product; (3) adding a complex bacteria to the enzymolysis product for anaerobic fermentation, fermentation at 35-40 DEG C for 10-12 h, sterilization, to obtain a fermentation product; (4) rinsing the fermentation product with clean water for 5-8 times, to obtain a casing semi-finished product; (5) mixing nanocellulose, soybean phospholipid and water to prepare a liquid, spraying the liquid on the casing semi-finished product, drying, to obtain an ultra-thin high-strength nanofiber medicinal casing.The casing prepared by the application can be used to wrap traditional Chinese medicine compositions.

The invention discloses a slow-release coenzyme Q10 liposome and a preparation method thereof. The liposome comprises a coenzyme Q10 core material and a double-layer wall material, the double-layer wall material comprises an inner-layer wall material and an outer-layer composite wall material; the inner-layer wall material is prepared from at least one of hydroxypropyl methyl cellulose, pectin, gelatin and xanthan gum; the outer-layer composite wall material is a combination of modified soybean phospholipid and a first wall material; the first wall material is selected from at least one of the following materials: maltodextrin, starch sodium octenylsuccinate, Arabic gum and cyclodextrin. The coenzyme Q10 lipidosome with high content and high stability is prepared by adopting a double-layer inclusion technology and a lipidosome technology, the content of the lipidosome coenzyme Q10 can reach up to 50%, and the lipidosome has good dispersion performance in water, has continuous oxidation resistance, and can effectively neutralize free radicals and relieve oxidative stress. The effective release and retention of the coenzyme Q10 under the condition of simulating intestinal tracts can be maintained, and the stability and the bioavailability of the CoQ10 are enhanced.

The invention discloses soybean phospholipids and an extraction method thereof, and belongs to the technical field of soybean phospholipids, the extraction method of soybean phospholipids comprises the following steps: selecting fresh soybean oil leftovers as an extraction raw material, carrying out centrifugation, acetone deoiling and ethanol extraction to obtain an ethanol extraction liquid, finally adding attapulgite composite cross-linked chitosan microspheres into the ethanol extraction liquid, and carrying out centrifugation, acetone deoiling and ethanol extraction to obtain the soybean phospholipids. And further removing impurity molecules to obtain the soybean phospholipid with high stability and high soybean lecithin content. According to the present invention, by using the multiple pore structures and the electrostatic interaction of the attapulgite composite cross-linked chitosan microspheres, the impurity macromolecules and the polar inositol phospholipid, cephalin and other compounds having competitive dissolution with the soybean lecithin are separated so as to increase the soybean lecithin content in the soybean lecithin; moreover, tea polyphenol is also grafted on the attapulgite composite cross-linked chitosan microspheres, so that free radicals can be cleared through a hydrogen supply mechanism, the phospholipid oxidation process is blocked, the dual functions of high stability and high antioxidant activity are realized, and the quality of the obtained soybean phospholipid is improved.

The present invention relates to the technical field of joint repair hydrogels, and in particular to a three-dimensional biohydrogel and its preparation method and application. The three-dimensional biohydrogel, by weight, comprises: 1-5 parts of methacrylic anhydride hyaluronic acid HAMA, 0.05-0.15 parts of initiator, 3-8 parts of hydrogenated soybean phosphatidylcholine liposomes and 7-13 parts of stem cell solution; the preparation method of the stem cell solution is: gelatin and water are mixed to obtain a gelatin solution; stirring at 40-60 ° C to prepare a dispersed phase; adding an emulsifier to the oil to prepare a continuous phase; the dispersed phase and the continuous phase are prepared by microfluidic technology to obtain uniform droplets, and the droplets are freeze-dried to obtain gelatin microspheres; stem cells are added to the gelatin microspheres and incubated at 25-37 ° C for 2-4 hours to obtain a stem cell solution. The present invention has long-lasting efficacy and significant safety, and can fundamentally repair articular cartilage.

Disclosed are pharmaceutical compositions, comprising: (i) amphotericin B or a pharmaceutically acceptable salt or hydrate thereof; (ii) cholesterol; (iii) phospholipids, comprising hydrogenated soy phosphatidylcholine and distearoylphosphatidylglycerol; and (iv) calcium chloride (CaCl2)). Also disclosed are methods of using the pharmaceutical compositions for treating a disease or disorder (e.g., cystic fibrosis), increasing the pH of airway surface liquid, increasing bicarbonate secretion into airway surface liquid, and increasing a subject's forced expiratory volume in one second.

The invention relates to a functional nutritional composition, in particular to an anti-fatigue diglyceride composition, which is characterized by comprising (1) diglyceride, (2) isomaltooligosacharide, (3) sodium caseinate, (4) soybean phospholipid, (5) sodium citrate, (6) potassium citrate, (7) calcium ascorbate, (8) silicon dioxide, (9) mogroside, (10) vitamin B1 and (11) vitamin B2. The composition disclosed by the invention can be used as an anti-fatigue beverage, a nutritional health-care product, a food for special diets, a food for special medical purposes and the like.

The invention discloses microcapsule eel initial feed and a preparation method thereof, and relates to the technical field of biology. The feed comprises the following components in percentage by mass: 20-30% of fish meal, 5-15% of euphausia superba powder, 5-15% of yolk powder, 10-20% of fermented soybean meal, 2-8% of algae powder, 5-10% of microcrystalline cellulose, 3-8% of maltodextrin, 5-10% of pre-gelatinized starch, 2-5% of soybean lecithin powder, 2-5% of fish oil or shrimp oil, 1-3% of a vitamin premix, 1-3% of a mineral premix and 0.5-2% of probiotics, according to the device, raw materials can be mixed, dehydrated, formed and trimmed in sequence from top to bottom, the process flow of bait processing is effectively shortened, the situation that the bait raw materials need to be transferred many times in the bait production process, and consequently the production and forming efficiency of bait is reduced is avoided, and the overall smoothness of the center forming barrel is effectively improved.

The invention belongs to the technical field of biology, and particularly relates to an acrossocheilus fasciatus sperm cryopreservation method which comprises the following steps: constructing a simulated water solution for acrossocheilus fasciatus in-vitro fertilization, collecting fresh sperms, detecting the survival rate, preparing a mixed solution of the sperms and anti-freezing components, sub-packaging, cooling and freezing and the like. According to the method, simulated water quality for in-vitro fertilization of acrossocheilus longifin is constructed, the survival rate of sperms observed and detected in the environment is closer to the fertilization condition during thawing activation in the future, and then the sperms with the higher fertilization success rate after thawing are screened out; meanwhile, the constructed simulated water solution can be used as a part of a cryopreservation solution, so that the remaining anti-freezing components can be directly added into the screened sperms, a mixed solution of the sperms and the anti-freezing components can be rapidly prepared under the condition that the service life of the sperms is not remarkably shortened, and the mixed solution is subpackaged, cooled and frozen; the improved anti-freezing component contains trehalose, soybean phospholipid and tea polyphenol, so that the survival rate and activity of the acrossocheilus fasciatus sperms after cryopreservation can be effectively improved.

The invention relates to low-fat fragrant and sweet salad dressing and a preparation method thereof, and belongs to the technical field of food processing. The salad dressing comprises functional components such as carrageenan, arginine, microfibrillated cellulose, glyceryl monostearate, hydroxypropyl cyclodextrin, soybean lecithin and vegetable oil according to a specific proportion. The preparation method is characterized in that glyceryl monostearate, hydroxypropyl cyclodextrin and soybean phospholipid are melted, mixed and crystallized in advance to form solid composite particles which can be melted in an oral cavity in a phase change manner, so that a strong flavor outbreak feeling and a mellow taste are provided; meanwhile, the salt is slowly released by utilizing the electrostatic interaction of the carrageenan and the arginine in the system; and by combining a three-dimensional network constructed by microfibrillated cellulose, the product is endowed with excellent oil-water separation resistance. While the content of fat and sodium is reduced, the problems of insufficient flavor and poor stability of the traditional low-fat sauce can be improved.

This invention discloses a high-efficiency adsorption and purification device based on soybean phospholipids, belonging to the field of phospholipid processing technology. The device includes a purification chamber and a cover. The top of the purification chamber has a feed port for adding phospholipid precipitates. The cover has an opening and closing function and is used to open and close the feed port. An inlet pipe for adding ethanol is inserted into the purification chamber. A circulation assembly is provided at the top of the purification chamber, including a first conveying pipe connecting to the top space inside the purification chamber. This invention provides a high-efficiency adsorption and purification device based on soybean phospholipids. A power pump can extract ethanol volatilized at the top of the purification chamber, allowing this ethanol gas to flow along the first conveying pipe to a second conveying pipe, and then re-enter the bottom of the purification chamber from the second conveying pipe. This ethanol is then re-mixed with the materials inside the purification chamber, reducing ethanol waste and improving ethanol utilization.

The invention discloses a soybean phospholipid powder classification monitoring method. The method specifically comprises the following steps: S1, carrying out multi-mode spectrum detection on raw materials; s2, dynamically optimizing extraction parameters; s3, function-oriented classification decision making; s4, judging whether the pharmaceutical-grade soybean phospholipid powder reaches the standard or not; s5, judging whether the feed-grade soybean phospholipid powder reaches the standard or not; the invention relates to the technical field of soybean phospholipid powder classification. According to the soybean phospholipid powder classification monitoring method, the comprehensiveness and accuracy of raw material detection are improved in a multi-mode and multi-spectrum cooperative detection mode, the extraction time is dynamically adjusted based on the ratio of alpha-helical conformation, when the ratio of lysophospholipid exceeds the standard, automatic cooling can be conducted for emergency regulation and control, dynamic adjustment of technological parameters is achieved, and the method is suitable for large-scale popularization and application. According to the method, the raw material quality fluctuation is effectively coped, the production quality and the production efficiency are improved, meanwhile, classification is carried out in combination with the alpha-helical conformation proportion and the beta-folded conformation proportion, and the requirements of different application scenes for the functional characteristics of the soybean phospholipid powder can be better met.

The invention belongs to the technical field of breeding, and particularly relates to a low-cost larimichthys crocea parent fish feed with high vegetable protein replacing fish meal. The invention discloses a feed additive, which accounts for the total weight of the feed. The low-cost pseudosciaena crocea parent fish feed comprises 10% of Peru steam fish meal, 23% of soybean protein concentrate, 12.5% of corn protein powder, 8.25% of shelled soybean meal, 18.4% of high gluten flour, 8% of chicken meal, 3% of blood cell powder, 2.5% of feather meal, 2% of soybean oil, 3.5% of fish oil, 2% of soybean lecithin oil, 1% of mineral premix, 0.2% of vitamin premix, 1.25% of beer yeast, 0.1% of vitamin C phosphate, 0.1% of glucan and 2% of monocalcium phosphate. The traditional Chinese medicine composition is prepared from, by weight, 0.6% of squid paste, 0.1% of ethoxyquin, 1% of taurine and 0.5% of choline chloride. The larimichthys crocea feed is reasonable in formula design, soybean protein concentrate and the like are used for replacing part of fish meal in traditional larimichthys crocea feed, the feed manufacturing cost and the larimichthys crocea parent fish feeding cost can be effectively saved, and meanwhile the growth performance of the larimichthys crocea parent fish is not remarkably affected.

The utility model discloses a soybean lecithin oil powder discharging and bagging device, which relates to the technical field of soybean lecithin oil powder, and comprises a base, a rotating seat is arranged at the top of the base, a rotating component is arranged between the base and the rotating seat, a discharging pipe is arranged at the top of the rotating seat, a circular groove is formed in the top of the rotating seat, and the rotating component is arranged in the circular groove. According to the device, an opening of a bag penetrates through the fixing ring frame, the edge of the opening of the bag is rolled on the fixing ring frame, then a hand wheel is rotated, a worm is meshed with a worm wheel, the worm wheel drives a second gear to rotate through a rotating rod, the second gear is meshed with a second rack, and the bag is fixed through the rotating rod. A second rack drives a cross plate to slide upwards in a cross groove, the cross plate drives a fixing ring frame to move upwards through a fixing block, a bag is fixed to the bottom of a rotating base through the fixing ring frame, then materials are loaded into the bag through a discharging pipe, and by means of the structural design, the problem that an operator holds the bag with hands for operation is solved.

The invention relates to the technical field of skin care, and discloses a sustained-release composition containing azelaic acid composite lipidosome and application of the sustained-release composition in acne treatment and skin repair. Comprising a composite liposome, an encapsulated active component and a dispersion medium, the composite liposome is composed of a lipid bilayer, the lipid bilayer comprises phospholipid, cholesterol and pegylated phospholipid, and the phospholipid is a mixture of hydrogenated soybean phospholipid and dipalmitoyl phosphatidylcholine; the encapsulated active component comprises a fat-soluble component and a water-soluble component; the water-soluble components comprise a hamamelis virginiana leaf water extract and a herba portulacae extract; the dispersion medium is a phosphate buffer solution; by optimizing lipid composition, introducing surface modification and constructing a multi-layer release system, the invention aims to synergistically exert multiple effects of antibiosis, anti-inflammation, cutin regulation, red fading, repair and the like, and provides an efficient, mild and integrated solution for acne and sequelae skin problems thereof.

The invention discloses a cell membrane vesicle self-assembly body loaded with spirulina PDRN and a preparation method of the cell membrane vesicle self-assembly body, and belongs to the technical field of cosmetics. The preparation method comprises the following steps: homogenizing and crushing spirulina at low temperature and high pressure, and performing graded filtration to prepare spirulina vesicle suspension; mixing with auxiliary materials such as spirulina platensis source PDRN, hydrogenated soybean phosphatidylcholine and the like to prepare a medicine-carrying vesicle premixed solution; and carrying out pre-homogenization, low-temperature fine homogenization and graded filtration to obtain the target self-assembly body. According to the invention, the spirulina natural cell membrane vesicles are taken as a core carrier, efficient encapsulation of PDRN is realized through membrane fusion recombination, the encapsulation efficiency of the obtained product can reach 55% or more, the transdermal absorption performance is excellent, UVB-induced skin light injury cells can be remarkably repaired, and the product has the effects of resisting aging, tightening, resisting wrinkles and whitening, and can be widely applied to preparation of skin care products.

The invention discloses a feed additive and compound feed for improving the muscle quality of litopenaeus vannamei, and belongs to the technical field of aquatic feed. The feed additive comprises the following air-dried substance components in percentage by weight: 1%-30% of procyanidine, 1%-30% of levodopa and 40%-98% of broad bean powder, the compound feed comprises the feed additive and a main feed composed of fish meal, chicken meal, soybean meal, soybean protein concentrate, peanut meal, wheat middling, squid paste, fish oil, soybean lecithin, vitamin premix, mineral premix and the like. According to the litopenaeus vannamei compound feed, the synthesis of muscle collagen is promoted through the procyanidine, the muscle hardness, chewiness and shearing force are improved, meanwhile, the content of free amino acid is increased through the levodopa, the wind taste of the muscle is improved, and the antioxidant capacity and the water retention capacity of the muscle are improved, so that the muscle quality of the litopenaeus vannamei is improved.

The application discloses a kind of capsicum seed oil microcapsules and preparation method thereof, with capsicum protein nanoparticle and malt dextrin as wall material, capsicum protein nanoparticle, malt dextrin and distilled water are dissolved to be prepared into water phase;Among them, the weight ratio of wall material compound capsicum protein nanoparticle: malt dextrin = (1-1.5) : 1, solid soluble starch content is 5-10%;Emulsifier is dissolved with capsicum seed oil to be prepared into oil phase;Two are mixed evenly into emulsion, homogenization, pre-freezing, vacuum programmed freeze-drying is obtained capsicum seed oil microcapsule;Among them, the weight ratio of capsicum seed oil: wall material = (0.8-1) : 1, emulsifier is obtained by mixing propylene glycol fatty acid ester, sucrose ester and soybean phospholipid according to weight ratio (1-2) : 0.2:3, and the content of emulsifier is 1.5-2%.The application can reduce the surface oil content of microcapsule, improve the embedding rate, slow down the capsicum seed oil oxidation rancidity, and prolong the storage period of capsicum seed oil microcapsule.