157 results about "Pomfret" patented technology

The invention discloses a making method of pleurotus cornucopiae flavored chilli silvery pomfret sauce. Pleurotus cornucopiae and silvery pomfret are used as raw materials, pinellia ternate and fragrant sarcococca herb are added at the same time, and the pleurotus cornucopiae flavored chilli silvery pomfret sauce is obtained. The nutritive value of the pleurotus cornucopiae and the silvery pomfret are sufficiently utilized and are compatible with traditional Chinese medicine, synergistic interaction is achieved, and the effects of regulating qi to alleviate pain and tonifying the spleen and reinforcing the stomach are achieved. The finished sauce is strong, bright in color and delicious in taste, has the outstanding healthcare function, and can obviously relieve discomfort of the crowd suffering from dyspepsia and stomach duct and abdomen when eaten for a long time. The making technology is simple, easy to implement, capable of meeting the requirement of market development and capable of achieving large-scale production.

The invention relates to a compound immunopotentiator for golden pomfrets, which comprises following ingredients by weight percentages: 20 to 30 percent of beta-dextran, 10 to 20 percent of levamisol, 10 to 20 percent of lentinan, 10 to 15 percent of vitamin A, 10 to 20 percent of vitamin E and 10 to 15 percent of selenium methionine. The invention effectively overcomes the problem of reverse feedback inhibination of golden pomfret organisms, can be used in a complete culture period of the golden pomfrets, is used as a feed additive to be added in golden pomfret feed by only 0.1 percent to 0.2 percent, obviously enhances the organism immunity of the golden pomfrets, improves the live rate, and has no influence on the palatability of the feed; and raw materials used in the compound immunopotentiator have stable resources, low cost and simple production technology.

The invention discloses a method for improving survival rate of pomfret fry, relates to breeding of pomfret fry, and needs to provide a method for improving survival rate and growth speed of pomfret fry. The method comprises the following steps: measuring a DHA/EPA/ARA proportion in pomfret parent fish tissues and body fatty acid compositions of the pomfret fry, wherein the step is characterized by mixing cuttlefish liver oil, refined fish oil, doxicon and peanut oil to form emulsified oil of which DHA/EPA/ARA proportion is 2.5/1.0/0.2; adding 0.25 gram, 0.35 gram and 0.45 gram of the emulsified oil into the breeding water in terms of each liter of rotifers to reinforce the rotifers respectively; and feeding the pomfret fry with the rotifers reinforced by adopting the best DHA/EPA/ARA allocation proportion reinforcing baits from the 4th day to the 12th day under the illumination condition of 1,000 to 50,001x at the water temperature of between 20 and 24 DEG C in the water with pomfretfry breeding density of 15,000 to 20,000 fishes per cube. The method is used for breeding the pomfret fry.

The invention relates to the field of aquaculture, particularly to a golden pomfret cultivating method. The method comprises the steps of controlling cultivating conditions, additionally installing meshes, screening, changing netting and the like in a fry putting process and the daily management process, enabling the golden pomfret fry to quickly adapt to the growing environment in the sea area, thereby the fry can be directly put in the deep sea area for realizing deep sea cage, the growth process of the golden pomfret from fry to finished fish is completed in the same environment, the cost of repeated transport is reduced, the stress response of the golden pomfret caused by the change of environment is also reduced, the morbidity and mortality are greatly lowered, drug prevention is not needed in the whole farming process, the growth environment of the golden pomfret is near to the wild condition, and the quality of the commodity is greatly improved.

The invention discloses a mixed culture method of golden pomfret. According to the mixed culture method, based on conventional culture of golden pomfret, the golden pomfret is mixed with siganid for culture; through the technical measures of sea area selection, net cage preparation and fingerling stocking, a new mixed culture mode is adopted; by utilizing the characteristic that the siganid likes algae, the siganid eats all algae attached to the netting, the problem of mesh blocking by algae is solved, and the manpower and material resources for cleaning the netting are saved; the siganid in mixed culture mainly eats the algae on the netting, and only a little feed is needed; and therefore, the culture cost is very low, and the economic benefits of the culture are increased. Meanwhile, by utilizing the characteristic that the body fluid of the siganid contains antagonistic component against melon seed worms, after the mixed culture of siganid and golden pomfret, the problem that the golden pomfret is susceptible to the melon seed worms is solved, and the harm of the melon seed worms against golden pomfret is restricted by use of biological factor, thereby killing two birds with one stone.

The invention relates to an anti-stress health agent for pomfret. The anti-stress health agent for pomfret comprises, on the basis of weight percentage of dry matters, 15 to 20% of vitamin C, 5 to 10% of taurine, 3 to 5% of gamma-aminobutyric acid, 10 to 15% of Chlamydomonas powder and 30 to 40% of chitin, with the balance being a diluent. The above mentioned components are uniformly mixed and then added into a feed for pomfret, wherein the components account for 1 to 4% of the total weight of the feed. The anti-stress health agent provided in the invention has good anticonvulsant and tranquillization-promoting effects, enables the survival rate of cultured pomfret to be obviously increased, improves the feeding rate of pomfret and promotes growth of pomfret; and the agent has the advantages of stable sources of raw materials, low price and a simple production process.

The invention discloses a frozen fresh pomfret freshness rapid grading method based on deep learning, which belongs to the technical field of refrigerated food quality evaluation. Specifically, freshness grading is carried out on a pomfret image based on a Mask R-CNN technology, a frozen fresh pomfret image is obtained, a digital image data set is established, feature learning is fused into the process of establishing the model, accurate detection and segmentation are carried out on fisheye and gill parts, feature learning can be carried out autonomously, and the freshness of the pomfret can be accurately segmented and classified. Therefore, quick detection and intelligent prediction of the quality deterioration of the frozen fresh pomfret are realized; and the expandability and mobility of the model are improved. A rapid, low-cost, accurate, nondestructive and real-time automatic detection technology is realized, and the health and benefits of consumers are guaranteed. Product qualityis controlled for different varieties of cold chain storage and transportation environments and supply chain sources, and technical support is provided for public health and epidemic prevention.

The invention discloses a processing technique for a golden pomfret seasoned steak. The processing technique comprises the following steps: firstly, producing fish fillets; secondly, spraying the fish fillets with ozone and then carrying out fishiness removing treatment; thirdly, mixing the fish fillets subjected to fishiness removing treatment with trehalose and carrying out osmotic treatment for 20 minutes; fourthly, marinating the fish fillets obtained in the third step for 1 hour and then carrying out quick freezing; fifthly, checking the quickly-frozen fish fillets one by one, carrying out vacuum package and then using metal detectors to carry out metal detection; putting qualified products after detection into a refrigerated warehouse with the temperature of 18DEG C below zero for storing, namely obtaining the golden pomfret seasoned steak. According to the processing technique discloses by the invention, fresh golden pomfret fillets are selected as raw materials and subjected to simple and effective fresh keeping treatment and fishiness removing treatment to obtain the gold pomfret steak with higher nutritional value, excellent mouthfeel, safety and no toxicity; the gold pomfret steak can meet the eating demand of vast consumers on gold pomfret and is suitable for being popularized vigorously in the market.

The invention provides a method for preserving pomfret with ozone ice. The method is characterized by putting the ozone ice for the fish layer into a clean foam box with water dripping holes, storing the pomfret at 0-4 DEG C after sealing the fish box with adhesive tapes, and regularly changing the ozone ice, wherein the bottom ice layer is 10cm thick; the ice layers on the surfaces of the pomfret are 5cm thick; the ozone ice is prepared by putting ozone water with ozone content of 2mg/L into a refrigerator at minus 60 DEG C to be frozen into ice; the content of ozone in the ozone ice after freezing is 0.89mg/kg. The pomfret preserved by adopting the method has long shelf life and good quality. Spoilage caused by microorganisms and enzymes can be reduced to a great extent by adopting the method. The quality of the pomfret is improved and food waste is reduced on the basis of preservation by adopting the method, and the method has important significance and application prospects in adjusting the market demands.

Compound feed for seawater white pomfret of the invention relates to a feed, in particular to a compound feed for seawater white pomfret, consisting of the following raw materials in mass percent: 28% to 37% of vapour fish powder, 25% to 30% of fermented soybean meal, 5% to 10% of peanut meal, 3% to 5% of sepia paste, 10% to 20% of strong flour, 5% to 10% of shrimp head powder, 3% to 5% of plant oil, 1% to 2% of compound mineral and 0.5% to 1% of compound vitamin. The feed provided by the invention has full nutrition and is characterized by growth promoting, strong feed attraction, good taste and low feed coefficient, and can help release the growth potential of white pomfret to the greatest degree, reduce feeding cost and improve economical efficiency.

The invention relates to a compound feed for pomfret, which comprises raw materials by weight percent: 40-50% of steam fish meal, 10-15% of shrimp chaff powder, 3-5% of squid organ meal, 10-15% of soybean meal, 3-5% of peanut meal, 12-15% of high gluten flour, 5-8% of sea fish oil, 1-2% of compound mineral substance and 1-2% of multivitamin; a preparation method of the compound feed for the pomfret comprises the steps of: weighting the steam fish meal, the shrimp chaff powder, the squid organ meal, the soybean meal, the peanut meal, the high gluten flour, the compound mineral substance and the multivitamin, fully grinding and screening; evenly mixing and pelletizing; and spraying the sea fish oil by using a post-spraying technology, so as to obtain the compound feed for the pomfret. The compound feed for the pomfret is balanced in nutrition and good in palatability and attractant, improves the anti-stress property, increases the breeding survival rate, is good in stability in water and reduces the pollution on breeding water; and the preparation method is simple and low in cost, and has good application prospect.

The invention relates to a method for predicting the shelf period of fresh pomfret; the invention studies the total plate count, TVBN and sensory quality changes of fresh pomfret at different storage temperatures and builds a Q10 shelf period prediction model of the quality changes of pomfret according to every index, thus being beneficial to distinguish accurately dynamically the quality of pomfret.

The invention relates to a young pomfret feeding method.The method comprises the following steps that a feeding basket is made; a certain amount of young pomfret feed and an edible adhesive are stirred and mixed to be uniform by adding water to obtain mixed baits, and then the mixed baits are smeared to the feeding basket; the feeding basket coated with the mixed baits is hung in a water body for allowing young pomfret to forage, and the foraging time is 2 hours; after foraging is finished, the feeding basket is taken out, remaining mixed baits are collected, dried and weighed, and the feeding amount of next time is estimated according to the mass of the remaining mixed baits; the feeding frequency of the young pomfret is two times per day, the feeding amount is adjusted according to estimation of the first time, and then second-time feeding is performed for 2 hours.According to the young pomfret feeding method, young pomfret is high in growth speed and survival rate, the feed conversation rate is high, feed waste is reduced, and the cost is reduced.

The invention discloses a fry cultivation method of silvery pomfret. According to the method, when the fry transfigures into advanced fry, by adding jellyfish fry for nutrient supply, it is founded that jellyfishes are the specific nutrient sources of silvery pomfret and silvery pomfret fry can eat young jellyfishes with diameter of ephyra in about 2 mm after opening mouth; as a silvery pomfret grows up, the diameter of jellyfish ephyra gets wider; the quality of the silvery pomfret is improved and the flatulence disease in fry is prevented, thereby promoting the survival rate of silvery pomfret.

The invention relates to an anti-stress feed additive for golden pomfrets, which comprises following ingredients by weight percentages: 10 to 15 percent of vitamin A, 20 to 30 percent of vitamin C-2-phosphate, 10 to 15 percent of potassium dichromate, 10 to 20 percent of vitamin E, 5 to 10 percent of vitamin B2, 5 to 10 percent of bitter salt, 5 to 10 percent of selenium methionine and 5 to 10 percent of methionine. The invention has the advantages that stress of the golden pomfrets can be notably released, the ingestion rate of the golden pomfrets is improved, and the growth of the golden pomfrets is stimulated; the live rate of the golden pomfrets in a complete culture period and the unit yield are improved, and the economic benefits of golden pomfret culture are increased; the meat quality of the golden pomfrets is improved, the product quality is improved, and foreign currency by exporting the golden pomfrets is increased; and raw materials for the anti-stress feed additive have stable resources, low cost and simple production technology.

The invention discloses a preparation method of canned pomfrets with a Cephalanoplos segetum flavor. The Cephalanoplos segetum and pomfrets are taken as raw materials, sophora flowers and Phrynium placentarium rhizomes are added, and the canned pomfrets with the Cephalanoplos segetum flavor are prepared. Nutritional values of the Cephalanoplos segetum and the pomfrets are used sufficiently and the Cephalanoplos segetum and the pomfrets are compatible with the traditional Chinese medicines to have synergy, so that the canned pomfrets have the effects of benefiting qi, nourishing blood and cooling blood for hemostasis. Finished products of the canned pomfrets have overflowing flavor, delicious taste, rich nutrition and certain healthcare function, and can obviously improve discomfort of sub-healthy groups such as swelling and pain of hot eyes, insomnia, amnesia and the like caused by hard work when the canned pomfrets are eaten for a long time. The preparation process is simple and easy to realize, transportation is convenient, and market prospects are broad.

The invention discloses a method for refreshing pomfrets by using ice containing a tea-polyphenol biological refreshing agent. The method comprises the following steps of: (1) preparing biological refreshing liquid containing tea polyphenol; (2) adding glycerinum into the biological refreshing liquid containing the tea polyphenol; (3) freezing the biological refreshing liquid into ice blocks at the temperature being 18 DEG C; (4) cleaning the selected pomfrets with ice water, and draining for 2-3 minutes; (5) crushing the ice blocks containing the tea-polyphenol biological refreshing agent by using an ice crushing machine, and storing layered pomfrets and layered ice in a foam box to realize surrounding of crushed ice for the pomfrets; (6) putting the foam box in a refrigerated cabinet with the temperature being 1-4 DEG C for storage; and (7) supplementing the ice containing the tea-polyphenol biological refreshing agent at proper time during the storage period. Compared with the storage under the condition of ice storage with the tap-water ice, due to use of the ice containing the tea-polyphenol biological refreshing agent, the shelf life of the pomfrets can be obviously prolonged for 8-9 days. The method disclosed by the invention is simple and easy, is obvious in refreshing effect, reduces the waste of the pomfrets to a great extent, is a good method which can replace the common iced storage for refreshing the pomfrets, and has large potential and value for market application.

The invention discloses chitosan-Nisin core-shell microspheres and a preparation method and application thereof. The chitosan-Nisin core-shell microspheres are made from core-shell materials wherein chitosan coats Nisin. Preparation of the material comprises embedding lactic streptococci by using chitosan under an acidic condition to form a clathrate compound so as to reduce the spatial resistance of the material, improve the stability of the material, enhance the antibacterial activity and reduce the environmental influence, so that the function of the material can be ensured in different environments. Moreover, the chitosan-Nisin core-shell microspheres have the advantages of good biocompatibility, hypotoxicity, biodegradability and the like, and are quite suitable for fresh-keeping of aquatic products (the fresh-keeping condition is neutral or alkaline), particularly yellow croakers, silvery pomfret and hairtail.

The invention relates to a pomfret sperm cryopreservation method including the steps as follows: selecting sexually matured parental pomfrets to gather fine-quality sperm; selecting suitable base liquid and anti-freezing liquid; mixing the sperm with the anti-freezing liquid by the volume ratio of 1:1 and then preserving the mixture on ice for 4-5 min; after reducing the temperature to minus 150 DEG C according to a three-step temperature reduction method, staying for 5 min; directly placing the mixture in liquid nitrogen for preservation; in defreezing, staying a freeze pipe in liquid nitrogen steam for 2 min, rapidly placing the freeze pipe in water bath of 28 DEG C to defreeze for 90 s and then placing the freeze pipe at room temperature to dissolve completely; and activating the defrozen sperm with sea water, wherein the rapid swimming time of the sperm is 57.41 s averagely, and the sperm viability (percent of the sperms moving rapidly accounting for all sperms) is 83.62% averagely. The fertilization rate of the pomfrets is greatly enhanced.

A transmission method of dollar-fish scrod relates to the transmission of dollar-fish scrod, for providing a method to transmit dollar-fish scrod. The technical scheme of the invention comprises a container for arranging scrods, while the container contains scrods and oxygenated water. The invention is characterized in that the container for arranging scrod is shrimp seed transmission bag which contains seeds at 2-2.5cm, while the seed density is 30-50n/liter, the water temperature is 18-22DEG C, and the transmission time is lower than 6h. The invention can be used to transmit dollar-fish scrod.

The invention provides a compound feed capable of improving the body color of golden pomfret. The compound feed comprises a base feed and a coloring agent, wherein the coloring agent consists of pine needle leaves, coprinus comatus, cape jasmine fruit and wolfberry in the weight ratio of 3-5:1-3:1-2:0.5-2. According to the compound feed, the four components of the pine needle leaves, the coprinus comatus, the cape jasmine fruit and the wolfberry are added to the conventional feed, so that the pigment deposition of the golden pomfret can be improved remarkably and the golden pomfret can reach a natural body color; the feed also helps to improve the survival rate of the golden pomfret, increase non-specific immunity, improve the growth rate of the golden pomfret, and reduce feed coefficient.

The invention relates a drop cultivating device and a method of pomfret larvae. The device comprises a nursery pond and a rotifer cultivating barrel, wherein the rotifer cultivating barrel is placed on one side of the nursery pond. A rotifer outlet hole with a valve is arranged on the lower end of the rotifer cultivating barrel, the rotifer outlet hole is connected with a circle of circular pipe which is located in the inner side above the nursery pond, a plurality of air holes are formed on the lower side of the circular pipe, and the air holes are connected with air pipes which droop down into the nursery pond through an air valve. According to the cultivating device, the method comprises of using chlorella to perform enhanced cultivation on rotifer; opening the air valve on the air pipe regularly every day; then opening the valve on the rotifer outlet hole, the dropping speed of rotifer is controlled at the degree that the dropping is at a constant speed but water flow is not formed, and closing the valve on the rotifer outlet hole after fixed time. According to the invention, the cultivating survival rate of larvae can be increased.

The invention discloses a separation method of visceral protease in golden pomfret and protease as well as an application. The separation method comprises the steps of degreasing viscera of fresh golden pomfret, leaching and extracting, centrifuging to obtain protease crude enzyme, then carrying out crude separation on the protease crude enzyme by adopting ammonium sulfate to obtain composite protease liquid, finally separating the composite protease liquid obtained in the step two by adopting SephadexG-100 gel to obtain three different proteases which are recorded as a protease component I, a protease component 2 and a protease component 3. The separation method has the advantages that production residues in a golden pomfret processing process are fully utilized, the specific protease with strong gelatin degradation capacity is extracted from golden pomfret viscera, a new approach is opened for extraction of protease for resolving gelatin, the utilization rate of the golden pomfret is increased, and the high added value utilization of the golden pomfret is realized. In addition, the separation method is low in raw material cost and simple in a production technology.

The present invention discloses an trachinotus ovatus with a formula feed by adding a squid paste to improve the feeding rate,including the following weight percentage of raw materials:27% - 28.5% of fish meal , 19.5% - 20% of soy protein concentrate, 8% - 9% of soybean meal, 6% of peanut meal, 22.2% - 23.6% of secondary powder, 7.8% - 7.9 % of fish oil, 2% of calcium dihydrogen phosphate, 1% of vitamin premix, 1% of mineral premix, 0.5% of choline chloride, 0.5% of lecithin, 1.5% - 3% of squid paste. The technical proposal of the invention improves the feeding rate of the trachinotus ovatus in the low fishmeal condition and the palatability of the feed by adding the squid paste to the common trachinotus ovatus feed;It is proved that the oval pomfret can be used to improve the feeding rate of oval pomfret and promote the growth of oval pomfret and improve the utilization rate of feed, At the same time to improve the oval pomfret disease resistance and antioxidant capacity, effectively reduce farming costs, improve farming income. It is proved that the trachinotus ovatus with a formula feed by adding a squid paste to reduce the fishmeal content of its formula, effectively improve the feeding rate of oval pomfret, promote the growth of oval pomfret, improve feed utilization, meanwhile, it can improve disease resistance of the trachinotus ovatus and antioxidant capacity, effectively reduce farming costs, improve farming income.

The invention relates to the field of golden pomfret processing, in particular to a golden pomfret deodorization method and a processing method of a half-dry instant golden pomfret. The golden pomfret deodorization method provided by the invention comprises the following steps: firstly, soaking golden pomfret blocks in a certain concentration of sodium carbonate solution at a specific temperature for a certain period of time; and soaking the golden pomfret blocks in a certain concentration of ginger water at a specific temperature for a certain period of time for deodorization of the golden pomfret. The treated golden pomfret blocks are free of a fishy smell; and the quality of the golden pomfret is not affected. The invention further provides the processing method of the half-dry instant golden pomfret. The processing method comprises the following steps: carrying out deodorization pretreatment, and then sequentially carrying out the technological processes of primary drying, impregnation liquid infiltration, frying and secondary drying, so as to prepare the half-dry instant golden pomfret. The half-dry instant golden pomfret has filemot, even and glossy epidermis, appropriate saltiness and sweetness, strong and harmonious wine flavor, remaining fragrance in mouth, long aftertaste, strong bouquet, no peculiar smell or oily smell, no fishy smell, abundant nutrition, unique flavor and moderate hardness.

The invention relates to a compound attraction agent for golden pomfrets, which comprises five ingredients by weight percentages (W/W): 20 to 30 percent of dimethyl-beta-propionate thetin, 20 to 30 percent of hypoxanthine nucleotide, 10 to 20 percent of sodium citrate, 10 to 20 percent of aspartam aspartic acid and 10 to 20 percent of glutamic acid. The invention has the advantages that the compound attraction agent used as feed additive in golden pomfret feed is added by only 0.1 percent to 0.2 percent, the ingestion rate of the golden pomfrets is obviously improved so as to stimulate the growth, and residual feed is reduced so as to benefit the environmental protection; the consumption of fish meal in the feed can be greatly reduced so as to protect fishing resources and decrease the feed cost, and raw materials used in the compound attraction agent have stable resources, low cost and simple production technology.