77results about How to "Fully develop and utilize" patented technology

The present invention discloses a method for producing chitin / chitosan from the shell of silkworm chrysalis, fly larvina, which comprises: to break into pieces to progress the shell of silkworm chrysalis, fly larvina by dry or wet method; React the fine grits obtained with the fat enzyme and protein enzyme from micro-organism by a enzymolysis reaction in order to to eliminate the fat and protein contained in the chrysalis / larvina raw material; bleach using two-step method; Collect the materials after bleach and to wash, dry materials to obtain chitin product; Obtain chitosan by to circulate to cast off Acetyl reaction in a Rhizopus oryzae full cell immobilization biology reaction vessel; Obtain height hydrosoluble shel oligosaccharide by liquid submerged fermentation chitosan using acid formers. The present invention improves the quality of the product and the efficiency of production; reduces greatly the energy cost, the usage of acid, alkali, oxidant and other harmful chemistry thing and the discharge of effluent, waste residue; produces byproducts of high value at the same time; utilizes the resources integratedly; and increases the benefits of production.

The invention discloses a method for extracting a Beta-dextran in highland barley bran and preparing a highland barley dietary fiber, belonging to the field of food processing. The method comprises the following steps of: extracting and centrifuging the highland barley bran taken as raw material at an alkaline condition by zymohydrolysis of secondary cellulose, thus obtaining a deposition A and a supernatant; depositing and centrifuging the supernatant under an acidic condition to remove albumen; adding a high-temperature resistant Alpha-amylase into the supernatant under a neutral condition for zymohydrolysis; centrifuging, depositing in water, depositing and re-dissolving the supernatant by water, centrifuging and taking the supernatant; repeatedly depositing the supernatant by a ammonium sulphate and obtaining the Beta-dextran product; adding a composite enzyme in the deposition A for zymohydrolysis; adding a hydrogen peroxide in the deposition A for decoloring; washing the deposition A repeatedly by water; obtaining a solid by centrifuging; and drying the solid at low temperature to obtain the highland barley dietary fiber. The method can sufficiently utilizes the highland barley bran, obtains two products of Beta-dextran and dietary fiber, effectively improves the economical additional value of the highland barley bran and has important realistic significance and wide application prospect for developing high-tech industries.

The invention relates to a method for preparing fermenting olive wine from olive fruit juice and olive fruit pomace. The fermenting olive wine mainly comprises the olive fruit juice, the olive fruit pomace, citric acid, an additive A and wine microzyme in different percentages by weight, wherein the olive fruit juice is mixed concentrated solution of a fruit juice generated in the oil extraction of olive and a water juice obtained after fruit pomace leaching, and the olive fruit pomace is the remaining fruit pomace which remains after oil exaction of the olive and is subjected leaching, drying and smashing. The olive fruit juice after removal of bitter taste and the de-oiling olive fruit pomace is stirred evenly, predistilled, mixed with yeast, fermented, reserved, blended, and processed by other preparation methods to obtain the fermenting olive wine. The fermenting olive wine prepared by the method combines the sweetness and fragrance of olive fruit and rice wine, has pure taste, is rich in nutrition, and has the health care functions of building up a sound body, preventing cardiovascular disease, treating bronchitis and chronic pharyngolaryngitis disease.

The invention discloses a preparation method of a biological feed of banana stem leaves, which comprises the following steps of: cutting up the banana stem leaves, then pre-drying till the water content is 70 to 75 percent, adding minor ingredients into the banana stem leaves, then adding cellulase, tannase and third class seed liquid of lactobacillus plantarum, mixing evenly, extracting air, sealing, storing and preparing to obtain the biological feed of banana stem leaves; and the minor ingredients are pineapple peels, papaya peels or molasses. The preparation method uses the banana stem leaves as major raw materials, generates an acid environment by fermentation of lactobacillus to inhibit spoilage micro-organisms, and can fully develop and utilize by products of fruits, reduce tannin content and coarse fibre content of the by product of banana and improve the palatability, digestibility and nutritional value of the feed.

The invention provides a multi-energy hybrid generating system based on supercritical carbon dioxide cycle. The multi-energy hybrid generating system based on supercritical carbon dioxide cycle comprises a supercritical carbon dioxide cycle loop formed by a compressor, a low-temperature regenerator, a geothermal energy heater, a high-temperature regenerator, a solar heater, a boiler, a turbine, anelectric generator, a precooler and a cooler; a geothermy injection-production loop formed by an injection pump, an injection well, a production well and a geothermal energy heat exchanger; and a solar heat conversion loop formed by a cycle pump, a solar concentrating heat collecting system, a heat storage device heat exchanger, a heat storage device, a three-way switching valve, a solar heater,a lithium bromide absorption refrigerator, a cooler and a cooling tower. The invention further provides a multi-energy hybrid generating method based on supercritical carbon dioxide cycle. According to the system, multiple energy is combined, a high-temperature heat source and a low-temperature heat source are complemented, and multi-energy hybrid generation is realized through supercritical carbon dioxide cycle; and not only can the comprehensive energy utilization rate be improved, but also the system is simple, compact in structure, flexible to operate and low in cost.

The present invention relates to a mixture of medicinal powder and activated carbon and the preparation method thereof, which pertains to the traditional Chinese medicine products; the formula of the mixture is composed of 80 traditional Chinese medicine ingredients of abrus herb, shinyleaf pricklyash root, Chinese arborvitae twig, winged euonymus twig, ovientvine, buerger pipewort flower, radix ranunculi ternati etc. and maifanite, germanite and crystal minerals, and the mixture is prepared by smashing, mixing, water soaking, boiling, filtering, drying, carbonization, activation, rubber refining, redrying and smashing processes; the mixture has good effects of health care for the human body, treatment and prevention of the diseases, furthermore, the functions are extensive, the cost of the product is low, the usage is convenient, the application scope is wide, the preparation method is simple and the operations are easy to control.

The invention relates to a preparation method of low / zero trans fatty acid margarine / shortening base oil, which belongs to the technical field of oil deep processing. In the preparation method, primary soybean oil and deep hydrogenation soybean oil, or primary rapeseed oil and deep hydrogenation rapeseed oil are adopted as raw materials; sodium methoxide is selected as a catalyst; the consumption of the catalyst is 0.1 percent to 0.5 percent; the reaction temperature is 70 DEG C to 110 DEG C; therefore, the primary soybean oil and the deep hydrogenation soybean oil, or the primary rapeseed oil and the deep hydrogenation rapeseed oil have randomized lactide reaction for 10 min to 90 min, so as to change the composition of mixed oil triglyceride and obtain the low / zero trans fatty acid base oil with different melting points and the characteristics of solid fat. The preparation method determines the optimized process of the lactide reaction based on oil return-service, prepares the low / zero trans fatty acid base oil, so as to reduce the content of trans fatty acid in oil products, lay foundation for the development of the base oil of margarine and shortening to the nutrition and health direction, and help the development of the special oil industry of our country.

The invention relates to the field of water-insoluble melanin development and utilization, in particular to a method for extracting water-insoluble melanin from animals, plants and microorganisms. The method includes the steps that firstly, dried, mildew-free and homogenized sunflower seed shells are selected and smashed, the smashed sunflower seed shells are mixed with 0.1-2.0 mol / L of NaOH according to the weight-to-volume ratio of 1:10-1:20, water bath is conducted on the mixture for 2.0-10.0 hours at the temperature of 40 DEG C to 80 DEG C, cooling and centrifuging are conducted, and a liquid melanin crude extract is obtained; the PH value is adjusted to range from 1.5 to 3.0, standing and sedimentation are conducted, and a melanin crude extract is obtained; impurities are removed through the steps of conducting boiling water bath hydrolysis for 2.0 hours to 6.0 hours in 5.0-7.0 mol / L of HCl, conducting repeated washing through an organic solvent, conducting re-dissolving and the like, then vacuum free-drying is conducted, and dried pure melanin powder is obtained. The water-insoluble melanin extracted through the method has the advantages of being high in purity, high in yield and the like.

The invention discloses a preparation method of sea cucumber ovum peptide-calcium chelate. The preparation method comprises the following steps: pretreating sea cucumber ova; skimming; performing enzymolysis; simulating an ileum condition to obtain the sea cucumber ovum peptide-calcium chelate. By adopting the method, the utilization ratio of byproducts produced in a sea cucumber processing process is increased, contained active substances are developed and utilized fully, and meanwhile environmental pollution is lowered; sea cucumber ovum biological active peptide is prepared by a biological enzyme method, and soluble peptide calcium chelate formed by means of combination with calcium ions contributes to calcium absorption and can be used for developing a high-valued sea cucumber ovum peptide-calcium supplement; an operation process is simple, and complex equipment is not needed; the peptide yield and calcium combining quantity of sea cucumber ovum peptide obtained by trypsin enzymolysis are highest, the peptide yield is up to 86 percent, and the calcium combining quantity is 0.38mmol / L; moreover, high calcium absorption prompting capability is achieved, and the production efficiency is increased; the preparation method is suitable for industrial production.

The invention belongs to the field of comprehensive utilization of subsidiary agricultural products, and particularly relates to a method for preparing polypeptide and astaxanthin from shrimp and crab processing waste. The method particularly comprises the steps that the shrimp and crab processing waste serves as a raw material, cleaning and crushing are conducted, acid soaking is conducted, after enzymatic hydrolysis and centrifugation are conducted, supernatant is separated and concentrated through a membrane, and polypeptide is obtained; centrifugal sediments are dried, and astaxanthin is obtained after subcritical extraction and column chromatography isolation. Compared with traditional alkali extraction, the method has the advantages of being high in raw material utilization rate, energy-saving and environmentally-friendly in production process and high in product purity and additional value. By means of the method, comprehensive utilization of the shrimp and crab resource is promoted, the sources of the astaxanthin and polypeptide are enriched, and the positive economic value is achieved.

The invention discloses a method for improving a saline-alkali soil into a paddy field in three-dimensional space, and relates to a method for improving the saline-alkali soil. The problems that an existing saline-alkali soil regulation method is only a temporary relief, and so that the phenomena of 'desalination' and 'accumulation of salt in the surface soil' can happen in an alternating mode are mainly solved. The method for improving the saline-alkali soil into the paddy field in the three-dimensional space includes the steps that first, two fresh water wells are arranged per square kilometer; second, salt-leaching is conducted; third, the salt content and the pH value of soil are detected after salt-leaching in the second step is finished; fourth, water is used in the growing period, wherein underground water in the fresh water wells is pumped out according to conventional operation so that the entire planting work, growing work and irrigating work in the growing period of paddies can be completed, namely the saline-alkali soil is improved into the paddy field. The method for improving the saline-alkali soil into the paddy field in the three-dimensional space has the advantages that occupied space is little, the construction period is short, and cost is low; time is short, the effect can be achieved rapidly, and the phenomenon of 'accumulation of salt in the surface soil' is avoided fundamentally; secondary pollution is reduced, and salt and alkali water discharging time is shortened; groundwater resources are exploited fully, efficiently, scientifically and reasonably; novel saline-alkali soil can not occur. The method is mainly used for improving the saline-alkali soil into the paddy field.

The invention provides a method for combined preparation of triticale feruloyl oligosaccharide and Arab xylo-oligosaccharide by using active carbon column chromatography, relates to a special agricultural product processing and integral processing technology and belongs to the field of food processing. According to the method, triticale bran is used as raw materials, and is treated by high-pressure steam; high-temperature alpha-amylase, glucoamylase and neutral protease are respectively added for removing starch and protein; hot distilled water and absolute ethyl alcohol are sequentially used for washing; vacuum drying is performed; triticale bran insoluble dietary fiber is prepared; xylanase is used for performing controllable enzymolysis on the insoluble dietary fiber; obtained enzymolysis liquid is subjected to active carbon column chromatography; distilled water and ethanol with the concentration being 60% are used as eluate for elution; water washing liquid and ethanol washing liquid ingredients are respectively collected; concentration, spray drying and packaging are performed; and two kinds of oligosaccharide products including the feruloyl oligosaccharide and the Arab xylo-oligosaccharide are obtained. The active carbon column chromatography combined preparation process provided by the invention has the advantages that two kinds of high-added-value oligosaccharide products with different compositions can be simultaneously prepared from the one kind of triticale resources; the effective value addition and the integral utilization of the triticale are realized; and important significance is realized on the industrialized development of triticale special grain resources.

The invention discloses a high-calcium-magnesium-titanium dreg (high-titanium dregs with CaO and MgO of which the total amount is greater than 1.5%) modification treatment process which comprises thefollowing steps: putting fluoride as a modification substance into a fluidization chlorination furnace high temperature reaction system or an electric furnace smelting high temperature dreg melting system for preparing high-calcium-magnesium-titanium dregs, introducing impurities of calcium and magnesium of a fluidization chlorination furnace reaction system into the high-calcium-magnesium-titanium dregs, and performing chemical modification, thereby obtaining stable solid phase components such as CaF2, CaAlF5 and MgF2. Therefore, the situation that melting liquids of CaCl2 and MgCl2 which canbe easily enriched and are capable of combining materials into cakes are generated from reactions of impurities such as calcium and magnesium with chlorine in the high temperature fluidization chlorination process is avoided, technical difficulties that conventional high-calcium-magnesium-titanium dregs are easily enriched in a fluidized bed in fluidization chlorination reactions and thus the stability of the fluidized bed is damaged, the purposes of large sizes, automation, cleanness and the like of a fluidization chlorination furnace are not met, and the like, are smartly solved, technicalbottle necks of fluidization chlorination preparation of TiCl4 from titanium resources in Panxi mine regions are broken through, and effective process technique supports are provided for sufficient development and utilization of the titanium resources in the Panxi mine regions in China in large-size fluidization chlorination techniques.

The invention discloses a multi-spiral self-driven walking type tunneling device and a method, belonging to the field of the construction of trenchless underground tunnels or pipelines. The device is formed by sequentially connecting more than one cylinder body; pairs of spiral propulsion units are arranged in the circumferential direction of the cylinder body used as a drive node; the spiral propulsion unit consists of a cylinder body or a rod body or a stick body and screw threads wrapped in the circumferential direction of the cylinder body or the rod body or the stick body, wherein the cylinder body or the rod body or the stick body is used as a rotating shaft and the cross section of the cylinder body or the rod body or the stick body is cylindrical or polygonal; and the axial line of the spiral propulsion unit is parallel with the axial line of the cylinder body. Through the rotation of the plurality of extended spiral propulsion units in the circumferential direction in the rock soil on the outer side of the tunneling device, the tunneling device is self-driven to move ahead without a counter force provided by background man-made structures under the axial counter force of the rock soil on the rotating screw threads of the spiral propulsion units. Through the tunneling technology and the device, a novel tunneling technology and the novel tunneling device with self-advancing and turning functions are provided for the construction technology of underground tunnels so as to provide technical support for more adequate exploitation and use of underground space.

The present invention relates to an application method of a plant natural compound in plant disease prevention and control, and specifically to an application method of 3,4,5-methyl trihydroxybenzoate in toxicodenddron sylvestre leaves in prevention and control of plant bacterial diseases and oomycete diseases, wherein the 3,4,5-methyl trihydroxybenzoate can be artificially synthesized, and further can be separated and purified from a plurality of plants. According to the present invention, ether is adopted to extract antibacterial substances in toxicodenddron sylvestre leaf dry powder, a silica gel column chromatography method is adopted to separate and purify the 3,4,5-methyl trihydroxybenzoate, a production cost is low, and a production process is simple. The 3,4,5-methyl trihydroxybenzoate has a wide bacterial inhibition spectrum, and plant diseases can be prevented and controlled by applying toxicodenddron sylvestre plant residues or a 3,4,5-methyl trihydroxybenzoate agent. With the present invention, a new resource is provided for creation of new pesticides and research and development of bionic pesticides, and the toxicodenddron sylvestre plant resource is completely developed and utilized.

The invention relates to a tea polyphenol production process for producing a plurality of products at the same time by one time of feeding. Tea leaves are extracted with pure water and an extracting solution is subjected to rough filtering, fine filtering and ultra-filtering and then is concentrated by a membrane to obtain a tea concentrated solution. The tea concentrated solution passes through a first macroporous resin column to obtain high-content tea polyphenol; a water washing solution of the first macroporous resin column passes through a second macroporous resin column to obtain a product catechin without a bitter and astringent taste; a water washing solution of the second macroporous resin column passes through a third macroporous resin column to obtain high-caffeine tea polyphenol; effluent liquid of the first macroporous resin column passes through a fourth macroporous resin column to obtain 40% natural theanine. The tea polyphenol production process has the characteristics of high tea leaf utilization rate, low production cost, high product purity, no utilization of any toxic solvent in a production process, good product quality and high safety; each product is a product with relatively large demanding amount in the market and the market competitiveness is strong.

The invention discloses a preparation method of patinopecten yessoensis gonad zymolyte / kappa-carrageenan mixed gel, and belongs to the technical field of marine resource development and utilization processing. The method includes the steps: raw material pretreatment; enzymatic hydrolysis reaction; zymolyte freeze-dried powder preparation; kappa-carrageenan water solution preparation; mixing; bubble discharging. According to the method, enzymolysis of patinopecten yessoensis gonad is implemented by trypsin, the patinopecten yessoensis gonad and the kappa-carrageenan are mixed according to a certain proportion, novel gel is prepared by a heating, swelling and gel cooling method, and the gel property of the novel gel is improved by adding saline ions. The method is simple in step and convenient to operate, time and labor are saved, the prepared novel gel has the advantages of high elasticity and high strength, the novel gel has high nutritive values and wide application prospects and canserve as raw materials of edible glue industry, and types of edible glue products are enriched.

The invention discloses a method for safely and environmentally mining a mineral resource and developing industrial tourism. The method is characterized by comprising the following steps of respectively grinding, proportioning and sieving coal ash, steel slag and coal gangue, selecting iron ore in the coal ash, the steel slag and the coal gangue through magnetic separation, selecting valuable mineral substances through select floatation, obtaining tail slag, preparing and obtaining slurry through the tail slag, injecting the slurry in a mine hole which is in mining through a pipeline and a hole, obtaining a pouring stone supporting body by solidifying the slurry, supporting the geology in a mining area, supporting the mine hole while mining, mining residual mineral around the mining area, developing the industrial tourism for the mining area after the residual mineral is mined completely. According to a safe and environmental mining novel technology related to the invention, the environmental resource development and utilization is combined with the ecological restoration, the environmental development, the cyclic development and the low-carbon development are advanced while the whole mineral resource is fully mined and utilized in a safe environment, and the whole filling technology is cheap in economy, reliable in technology and excellent in environmental performance.

The invention discloses a chained suspension rail overwater conveying device and a conveying method thereof. The chained suspension rail overwater conveying device comprises a suspension rail and a power ship body. The suspension rail comprises gear chains arranged along the two sides of a river channel correspondingly, a plurality of stand columns which are used for supporting and fixing the gear chains and arranged at intervals, and connecting plates connected between the stand columns on the same sides. The power ship body comprises a power ship nose and a plurality of tugboats connected with the tail of the power ship nose in sequence. A plurality of power gear sets are arranged on two sides of the power ship nose and the tugboats correspondingly and engaged with the gear chains on the same sides. By means of the chained suspension rail overwater conveying device and the conveying method thereof, the conveying speed and overall running efficiency of water channel shipping can be improved, the overwater conveying device can effectively handle channels with complex conditions, the limited channel resources are fully excavated, the shipping field is widened, and the chained suspension rail overwater conveying device is safe in running, good in flexibility and stability and convenient to maintain and manage.

The invention discloses a preparation method of euphausia superba peptide ferrous chelate. The preparation method comprises following steps: A, preparation of euphausia superba degreased powder: an n-hexane and absolute ethyl alcohol mixed solution is added to euphausia superba powder for degreasing, an obtained filter cake is air-dried and smashed, and the euphausia superba degreased powder is obtained; B, preparation of simulated stomach digest: water is added to the prepared euphausia superba degreased powder, a digestion reaction liquid is prepared, simulated stomach digestive juice is added to the digestion reaction liquid, a euphausia superba stomach digestion reaction liquid is prepared, and the simulated stomach digest is prepared from the euphausia superba stomach digestion reaction liquid; C, preparation of euphausia superba digest: pH of the prepared simulated stomach digest is regulated by NaHCO3, simulated intestinal digestive juice is added, and enzyme deactivation and centrifugation are performed; D, preparation of the euphausia superba peptide ferrous chelate. With the adoption of the preparation method, added value and utilization rate of the euphausia superba areincreased; the operating process is simple, binding capacity of the prepared euphausia superba peptide ferrous chelate is up to 70%-90%, production efficiency is improved, and the method is suitable for industrial production.

The invention discloses an extraction method of isodon excisoides extracts. The extraction method comprises extracting by use of diethyl ether, ethyl acetate, ethanol and water orderly to obtain a diethyl ether extract, an ethyl acetate extract, an ethanol extract and a water extract, respectively. The four extracts have no cytotoxic effect on normal cells, and thus play an important promoting role in the drug therapy of cancers, and consequently, good social benefits can be produced.

The present invention discloses a black fungus culture substrate. The black fungus culture substrate is prepared from the following materials in parts by weight: 40-70 parts of grape branches, 10-40 parts of weed tree sawdust, 1 part of lime, 19 parts of bran and 77-169 parts of water. The present invention further provides a preparation method of the black fungus culture substrate. The black fungus culture substrate and the preparation method thereof, provided by the present invention, have the beneficial effects that the grape branches obtained by trimming in a grape planting process are used as main materials and the grape branches are sufficiently developed and utilized, so that resources are saved and the environment is protected.

The invention provides a Chinese-localization world patent database system comprising a data processing server, a database server, a state patent database and a correlative information database; wherein the data processing server, the database server, the state patent database and the correlative information database are mutually communicated by networks. An application server comprises an acquisition module, a clustering processing module, a marking module, a deletion module, a translation module, a standardization module, an extraction module and an associated module. The database server comprises an original information base, a cluster database and a correlation database, wherein the original information base stores state patent data, the cluster database stores patent family data and the correlation database stores correlative information. The invention integrates the patent information resources of every country and every region together, realizes complete Chinese-localization on the patent information resources and can overcome the language barrier of domestic users when using foreign patent information, so that the domestic users can fully utilize and dig the foreign patent information, the practicability of the domestic patent information resources is enhanced simultaneously, and finally, the purposes of fully developing and utilizing Chinese patent information are achieved.

The invention discloses a method for preparing a patinopecten yesoensis gonad enzymatic hydrolysate with the high gelling property. The method comprises the steps of raw material pretreatment, an enzymatic hydrolysis reaction, preparation of patinopecten yesoensis gonad enzymatic hydrolysate gel and the like. According to the method, the patinopecten yesoensis gonad is enzymaticcally hydrolyzed with trypsin, the gelling property of the enzymatic hydrolysate is improved through the methods of performing freeze-drying and adding saline ions, the advantages of being simple in method and good in effect are achieved, the gelling property of the patinopecten yesoensis gonad enzymatic hydrolysate is effectively improved, and the important significance on utilization of patinopecten yesoensis raw materials is achieved.

The invention discloses a preparation method of natural dried scallop seafood-flavored essence. The method comprises the following steps: immersing and softening washed dried scallops and mincing; then adding the minced dried scallops, water and proteinase into a reaction pot; carrying out enzymolysis at certain temperature; then drying and crushing low-value raw materials including washed shrimpheads, shrimp shells, shrimp legs and the like; then adding the crushed low-value raw materials, the water and the proteinase into the other reaction pot and carrying out enzymolysis at certain temperature; after mixing two types of enzymolysis solutions, treating through a colloid mill; then adding glucose and amino acid into the mixed enzymolysis solution and carrying out Maillard reaction; finally, adding a preservative to prepare the natural dried scallop seafood-flavored essence. According to the preparation method of the natural dried scallop seafood-flavored essence, the low-value raw materials including the shrimp heads, the shrimp shells, the shrimp legs and the like are sufficiently utilized, so that the flavor and mouthfeel of the dried scallops are improved; the natural dried scallop seafood-flavored essence has a strong natural feeling and is suitable for aroma improvement of products including dried scallop seafood sauce, abalone sauce, a soup base, sauce packets, oystersauce, seafood soy sauce and the like; meanwhile, the nutrient value of the product also can be improved.

The invention discloses a low-temperature two-segmental fermentation method of a pickled fish, which includes steps of pickling: adding fish blocks in 5-8% of edible salt water and immersing the fish blocks; after pickling at 6-18 DEG C for 10-25 hours, taking out the fish blocks and draining; drying: drying the drained fish blocks at 10-35 DEG C; low-temperature two-segmental pickling: adding condiment in fermented glutinous rice, and performing anaerobic pickling on the dried fish blocks and the fermented glutinous rice mixed with condiment under vacuum state at 6-80 DEG C for 2-4 days; subsequently, taking out the fish blocks and performing aerobic pickling at 6-18 DEG C for 1-4 days to obtain the pickled fish. The method adopts low-temperature two-segmental fermentation, low-temperature anaerobic pickling and low-temperature aerobic pickling, the pickling time can be effectively shortened and the fishlike smell is effectively removed; the fish has strong liquor smell, fresh and delicious taste; thus the fermentation effect is maximized.

The invention discloses a preparation method of a scallop protein isolate-beta-carotene emulsion. The method comprises the following steps: preparing scallop gonad degreased powder, preparing scallopprotein isolate, preparing a scallop protein isolate solution, preparing an oil phase, preparing a primary emulsion and preparing the nutrient-loading emulsion. The method uses scallop female gonad protein isolate as an emulsifier and edible oil as a carrier oil phase, adopts a dynamic high pressure micro-jet technology to prepare the emulsion, and embeds beat-carotene to prepare the novel and stable emulsion capable of effectively delivering nutrients. The emulsion prepared by the method has lower cost, can improve the stability of the beta-carotene, and has a good application prospect in thefood industry. The invention not only provides a new method for preparing the beta-carotene emulsion, but also further expands the application of the bata-carotene and scallop female gonads in the food field.