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92 results about "Undaria pinnatifida" patented technology

Undaria pinnatifida, also called wakame or mekabu, is a popular seaweed in Japan and East Asia used as a food and medicine.

Short peptide from undaria pinnatifida and application thereof

The invention discloses an oligopeptide from undaria pinnatifida and application thereof. The amino acid sequence of the oligopeptide is YRKD, and the molecular weight is 580.63 g / mol. The polypeptide is identified from undaria pinnatifida through a high performance liquid chromatography technology for the first time, and an unreported oligopeptide capable of inhibiting tyrosinase and cooperating with vitamin C to synergistically inhibit tyrosinase is screened out. The oligopeptide derived from undaria pinnatifida is synthesized by a solid phase method, has the characteristics of safety, no toxicity, good water solubility and good stability, and is combined with vitamin C to generate a synergistic effect and synergistically increase the inhibition effect on tyrosinase, so that the oligopeptide can achieve a better tyrosinase inhibition effect at a lower and more stable concentration; the use concentration of the oligopeptide can be greatly reduced, the stability is enhanced, and the oligopeptide can be widely applied to preparation of cosmetics, medicines, health-care products or food additives, and has important economic value and social significance.
Owner:GUANGZHOU TAIWEI FEED CO LTD

Anti-hair loss natural plant composition and application thereof

PendingCN119157795ACosmetic preparationsHair cosmeticsAndrogenVellus hair
The invention discloses an anti-hair-loss natural plant composition and application thereof. The anti-hair-loss natural plant composition comprises the following components: a cacumen biotae alcohol extract, a ginseng aqueous extract, a gynostemma pentaphylla alcohol extract and undaria pinnatifida crude polysaccharide. The anti-hair loss and hair growth activity of the composition is evaluated by establishing an androgenetic alopecia mouse model, the result shows that the composition can accelerate the transition of hair follicles of the androgenetic alopecia mouse from a resting period to a growing period, and the hair growth length of the androgenetic alopecia mouse model reaches 9.94 + / -0.13 mm 21 days after the composition is externally applied. The hair coverage rate reaches 96.74 + / -1.98%, the vellus hair proportion is 20.1%, and the composition can significantly improve the hair growth speed of mice with androgenetic alopecia.
Owner:TONGLING JIEYA BIOLOGIC TECH +1

Method for simultaneously preparing low-molecular-weight algin and fucoidin

The invention discloses a method for simultaneously preparing low-molecular-weight algin and fucoidin, and belongs to the field of food processing. The multi-dimensional swing type high-energy nano impact mill is adopted, through rapid multi-dimensional swing type movement of the tank body, irregular movement is increased, huge impact force is generated, the movement track of a grinding medium is prolonged, impact energy is improved, impact blind spots are reduced, and the crushing speed is greatly increased; and preparing algin and fucoidin with low molecular weight. Through a physical crushing technology, the fucoidin does not need to be treated after algin and polysaccharide are extracted and separated, pre-freezing is not needed, and the undaria pinnatifida sporophyll is crushed and extracted by using a multi-dimensional swing type high-energy nano impact mill, so that the method is environment-friendly, safe and efficient; and compared with known ultrasonic and infrared technologies, the method has the advantages of higher yield, simple process, wide application range and the like, and is suitable for preparing low-molecular-weight algin and fucoidin from various sources.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Application of undaria pinnatifida sporophyll fucoidan in preparation of products for reducing uric acid or treating gout

The invention relates to novel application of undaria pinnatifida sporophyll fucoidin, and belongs to the technical field of food and medicine. The invention provides a new application of undaria pinnatifida sporophyll fucoidan in preparation of drugs, health food and food for reducing uric acid, and the undaria pinnatifida sporophyll fucoidan can remarkably reduce the blood uric acid level and relieve and treat gout symptoms, is free of toxic and side effects, safe and effective, can be used for preparing URAT1 inhibitors and / or GLUT9 inhibitors, and has a good application prospect. The compound can be used for preparing medicines or health foods and foods for reducing uric acid and treating gout, and has a wide application prospect.
Owner:DALIAN HAIBAO BIOTECHNOLOGY CO LTD

A method for extracting fucoidan from undaria pinnatifida

The application belongs to the field of polysaccharide preparation technology, and discloses a method for extracting fucoidan from Undaria pinnatifida as raw material, which comprises the following steps: adding Undaria pinnatifida dry powder into ultrapure water, pre-treating by ultrasonic method, extracting fucoidan by using multiple enzymes, secondary extracting of residue, and obtaining fucoidan crude product by processing. The application uses ultrasonic pre-treatment, multiple enzyme combination assisted extraction and secondary processing of residue to improve the extraction rate of fucoidan, and obtains fucoidan by membrane separation. The method of the application not only greatly improves the extraction rate of fucoidan from Undaria pinnatifida raw material, but also prevents excessive use of organic reagents in the extraction process from polluting polysaccharide.
Owner:DALIAN UNIV OF TECH +1

Rapid fattening bait for sea urchins and preparation method thereof

The invention discloses a rapid fattening bait for sea urchins and a preparation method thereof, and belongs to the technical field of aquaculture feeds. The bait is prepared from the following raw materials in parts by weight: 10-25 parts of kelp powder, 10-25 parts of undaria pinnatifida powder, 5-15 parts of ulva pertusa powder, 5-15 parts of mussel powder, 8-20 parts of corn flour, 1.5-4.5 parts of gelatin powder and 30-50 parts of purified water. The sea urchin fattening feed has the beneficial effects that the formula is scientific, the nutrition is comprehensive and balanced, and the sea urchin fattening feed specially aims at the sea urchin fattening nutritional requirements and can remarkably promote rapid development of sea urchin gonads; after the bait enters water, the structure can be kept complete for a long time, the bait is almost free of dissolution loss, the utilization rate of the bait is greatly improved, and water pollution is fundamentally avoided; the bait is soft in texture and easy to gnaw by sea urchins, and the surface of the bait can slowly release food calling substances to attract the sea urchins to gather and eat; in the preparation process, low-temperature mixing and gel shaping are adopted, so that nutrient substances such as heat-sensitive vitamins and unsaturated fatty acids are effectively protected.
Owner:YANTAI VOCATIONAL COLLEGE

Nutrition regulator based on bioactive substances and preparation method thereof

PendingCN122010622ABacteriaSeawater treatmentBiotechnologyAlgal growth
The invention provides a nutrition regulator based on bioactive substances and a preparation method of the nutrition regulator based on the bioactive substances. Comprising the following raw materials in parts by weight: 10-20 parts of zymosan, 15-25 parts of fulvic acid, 20-30 parts of a high-activity carbon source, 5-10 parts of compound biological enzyme, 8-15 parts of algae auxin, 8-12 parts of compound probiotics, 3-8 parts of betaine, 15-25 parts of compound mineral elements and 5-10 parts of compound trace elements. According to the nutrient regulator, the algae auxin is formed by compounding the undaria pinnatifida fermentation product, the pomegranate peel fermentation product and the enteromorpha fermentation product, the undaria pinnatifida fermentation product promotes diatom growth, the enteromorpha fermentation product promotes green algae growth, the pomegranate peel fermentation product can inhibit growth of harmful algae such as blue-green algae, and the nutrient regulator has a synergistic effect on the algae auxin. Therefore, the proportion of beneficial algae such as diatom is increased and maintained for a long time, stable, efficient and high-quality water color beneficial to culture is formed, and the productivity structure of the pond is fundamentally optimized.
Owner:HAINAN CHIEF BIOLOGY TECHN EMPOLDER CO LTD

Application of Undaria pinnatifida sporophyll fucoidan in the preparation of products for reducing uric acid or treating gout

The present invention relates to a new application of fucoidan from sporophyll of Undaria pinnatifida, belonging to the technical field of food and medicine. The present invention provides a new application of fucoidan from sporophyll of Undaria pinnatifida in the preparation of drugs, health foods and foods for reducing uric acid, which can significantly reduce the level of blood uric acid, relieve and treat gout symptoms, has no toxic and side effects, is safe and effective, can be used for preparing URAT1 inhibitors and / or GLUT9 inhibitors, can be used for preparing health foods and foods for reducing uric acid, and can be used for preparing drugs for reducing uric acid and treating gout, and has broad application prospects.
Owner:DALIAN HAIBAO BIOTECHNOLOGY CO LTD

Method for producing processed mekabu

To provide a method for producing processed mekabu (sporophyll of Undaria pinnatifida) having reduced harsh taste without a reduction in the content of water-soluble dietary fiber.SOLUTION: A method for producing processed mekabu of the present invention comprises: a boiling step in which mekabu, having an area of 400 mm2 or more and not having undergone heat treatment at 70°C or more, is boiled in salt-containing water at a temperature of 70°C or more and 100°C or less; a cooling step in which the boiled mekabu is immersed in water at 0°C or more and 40°C or less to be cooled; and a cutting step in which the cooled mekabu is cut into pieces each having a width of 0.5 mm or more and 2 mm or less.SELECTED DRAWING: None
Owner:MARUSHIGE CO LTD STORE

A kind of drying device of suspended mobile wakame, kelp

The application belongs to the technical field of drying, and particularly relates to a kind of suspended and moved undaria pinnatifida and laminaria drying device, including track, track is provided with a plurality of moving frame, track is provided with drive assembly, moving frame includes fixed cylinder, fixed cylinder is provided with moving roller, moving roller is arranged on track, fixed cylinder is provided with connecting plate, connecting plate lower end is provided with cooperation plate, cooperation plate is provided with cooperation slot, hook passes through cooperation slot and is hung with cooperation plate, bearing support of drive assembly is provided with rotating shaft of rotary motion, track is provided with drive motor, the output shaft of drive motor is connected with rotating shaft, rotating shaft is provided with sprocket, sprocket is connected with transmission chain, undaria pinnatifida and laminaria are hung on hook, and hook is hung on moving frame, drive assembly drives moving frame to move along track, so that undaria pinnatifida and laminaria can pass through each position of drying room, avoid the influence of uneven drying temperature of drying room, and the drying effect is better.
Owner:WEIHAI OCEAN VOCATIONAL COLLEGE +1

Carbon sink enhancement method based on oyster-undaria pinnatifida integrated aquaculture

A carbon sink enhancement method based on oyster-Undaria pinnatifida integrated aquaculture is performed as follows. Oysters with similar size and appearance are selected, washed and evenly spread onto a bottom of an incubator, to which 5-15° C. seawater is added. A rope is fixed on an upper side wall of the incubator. Undaria pinnatifida seedlings are spacedly clamped on the rope for spaced hanging culture. A wet weight ratio of the oyster to the Undaria pinnatifida seedlings is 6-8:1. The incubator is placed under sunlight for mixed culture, during which the incubator remains closed without water replacement. The oysters or the Undaria pinnatifida seedlings are taken out when the oyster reaches a meat yield of 10% or more or a length of the Undaria pinnatifida seedlings is larger than 100 cm. Seawater samples are collected to detect water quality parameters for carbon sink assessment.
Owner:NATIONAL MARINE ENVIRONMENTAL MONITORING CENTRE

A sealing device for packaging production of undaria pinnatifida

The utility model discloses a kind of sealing equipment for packaging production of Undaria pinnatifida, belong to packaging sealing field, including mounting bracket, conveying assembly is installed on mounting bracket, mounting bracket one side is fixedly connected with mounting plate, sealing mechanism is provided on mounting bracket, sealing mechanism includes stand, stand is fixedly connected on mounting bracket, cylinder is fixedly connected with the top of stand, cylinder output end is fixedly connected with sealing machine. Advantageous effect lies in: setting guiding mechanism, positioning mechanism and power mechanism, the setting of guide plate can make Undaria pinnatifida packaging bag be right below sealing machine, ensure that Undaria pinnatifida can be sealed and clamped in the sealing position of sealing machine by clamp plate, it is favorable to improve sealing quality, and by the setting of connecting sleeve and connecting frame, when Undaria pinnatifida is clamped by clamp plate, conveying assembly temporarily stops action, avoid the situation that sealing is not strict, further ensure sealing integrity.
Owner:DALIAN YITONG AQUATIC PRODUCTS PROCESSING CO LTD

Seaweed floss product derived from waste undaria pinnatifida and preparation method thereof

The invention discloses a dried seaweed floss product derived from waste undaria pinnatifida and a preparation method of the dried seaweed floss product, and belongs to the technical field of seaweed food processing. According to the method, waste brown algae raw materials such as stems, old leaves and leftover materials generated in the undaria pinnatifida processing process are utilized, pretreatment, vacuum freeze-drying and smashing are combined, and particularly cellulase and pectinase are adopted for compound enzyme structure softening, so that a loose, fluffy, light and crisp seaweed floss structure is prepared. The low-value part of the undaria pinnatifida, which is originally difficult to utilize, is converted into high-value-added food. A new product form is provided for deep processing of the undaria pinnatifida, and the undaria pinnatifida has high industrialization and market application prospects.
Owner:DALIAN PACIFIC HAIBAO FOOD CO LTD

A kind of alginate lyase and its application in preparing pet food

The present invention relates to an alginate lyase and an application thereof in the preparation of pet food. Specifically, the present invention improves the alginate degradation activity of the alginate lyase by evolving the alginate lyase, and utilizes the evolved alginate lyase to degrade undaria pinnatifida to efficiently prepare brown algae oligosaccharides. The brown algae oligosaccharides are used in the preparation of pet food, which can help pet hair growth, prevent hair loss, and improve hair gloss and toughness. The alginate lyase of the present invention has good application prospects in the field of pet food.
Owner:CHINA AGRI UNIV +1

Method for separating and purifying fucoidan

ActiveUS12473381B1FucoidanChloride
Provided is a method for separating and purifying fucoidan, including: S1, subjecting a Undaria pinnatifida powder to extraction in hot water, filtering, and concentrating by rotary evaporation in sequence to obtain a concentrate; S2, adding an aqueous calcium chloride solution to the concentrate obtained in S1 in batches, where the aqueous calcium chloride solution is excessive; S3, adding chitosan-crosslinked graphene oxide / ferroferric oxide to a resulting material system obtained in S2 to obtain a mixed system, placing the mixed system at room temperature, and chelating excessive calcium ions obtained in S2 while adsorbing proteins by the chitosan-crosslinked graphene oxide / ferroferric oxide; S4, conducting filtration to filter out a solid, and obtaining a liquid, which is an aqueous fucoidan solution; and S5, adding ethanol to a resulting concentrate obtained in S4 to precipitate the fucoidan, and then filtering and drying the fucoidan to obtain purified fucoidan.
Owner:SYNGARS TECH CO LTD

A method for selecting and ripening sea urchin gallbladders

The invention discloses a method for selecting and ripening sea urchin seed galls, and relates to the field of seed breeding of marine treasures in the marine aquaculture industry. The method for selecting and ripening sea urchin seed galls comprises the following steps: before the sea urchins are naturally bred in the sea area, sea urchins weighing 40-60g are collected, transferred to a ripening pool, aerated and fed in sand-filtered seawater for cultivation, and after 5-6 months of feeding, when the temperature of the sand-filtered seawater drops to 8°C, the sea urchins are fed at a constant temperature for 5-10 days, and then the temperature is raised for ripening. When the water temperature for ripening the seed galls is greater than 19°C, fresh kelp, fresh wakame sporangium leaves, and cooked purple mussel meat are fed in turn, and when the accumulated temperature for ripening is ≥2500°C and the gonad index is ≥20%, the sea urchin seed galls that can be used for inducing production are obtained. The method for selecting and ripening sea urchin seed galls of the invention can greatly reduce its mortality rate, improve the development effect, and quickly meet the inducing production requirements of spring seedling production.
Owner:DALIAN HAIBAO FISHERY

A precise observation method for the development process of Undaria pinnatifida juveniles in seedling production

The present invention discloses a method for accurately observing the development process of kelp juveniles in seedling production, comprising the following steps: taking kelp juvenile spore liquid in seedling production, diluting and shaking it with sterilized seawater, and injecting it into the counting chamber of a hemocytometer covered with a cover glass within 5 minutes; after the spores in the counting chamber develop into embryospores, observing the embryospores under a microscope, and using the grids in the large squares of the counting chamber to locate and number the embryospores; removing the cover glass, suspending the hemocytometer in the pool water of kelp juveniles from the same batch as the embryospores on the hemocytometer, observing the growth and development status and development stage of the kelp juveniles marked on the hemocytometer every day, and conducting production management accordingly. The present invention can continuously and accurately track and observe the development and growth of multiple kelp embryospores, and accurately manage the kelp juveniles in the seedling pond accordingly.
Owner:DALIAN HAIBAO FISHERY

Desalting machine for processing and producing undaria pinnatifida

The utility model relates to the technical field of desalters, in particular to a desalter for processing and producing undaria pinnatifida. Comprising a device body and a water storage tank, the outer side of the device body is provided with a second driving motor and a material stirring roller, the bottom of the device body is provided with a vortex fan, a gas conveying pipeline and a bubble pipeline, the water storage tank is installed below the device body, the top of the water storage tank is provided with a water adding pump, and the outer side of the water storage tank communicates with a circulating water pump; a water conveying pipeline and a spraying pipeline are mounted on the circulating water pump, the outer side of the water storage tank communicates with a waste water tank through a pipeline, and an electromagnetic valve is mounted on the pipeline. The salinity sensor detects the internal salinity of the water storage tank, when the salinity concentration exceeds the standard, saline water in the water storage tank enters the waste water tank, the water adding pump injects clear water into the water storage tank, the salinity in the device body is reduced, and the salinity of the undaria pinnatifida desalted by the device can be effectively guaranteed by adopting the mode; therefore, the desalting efficiency and effect are ensured.
Owner:DALIAN PACIFIC HAIBAO FOOD CO LTD

Multi-stage cleaning machine for undaria pinnatifida

The utility model relates to an undaria pinnatifida multi-stage cleaning machine which comprises a cleaning pool, and an inclined bin is arranged on one side of the cleaning pool. A bubbling mechanism and a chain plate conveying mechanism are arranged at the inner bottom of the cleaning pool, one end of the chain plate conveying mechanism extends upwards along the bottom of the inclined bin, and spraying mechanisms are arranged at the top of the cleaning pool and the top of the inclined bin; the cleaning pools are sequentially arranged in the front-back direction, the inclined bin of the cleaning pool at the front end is located above the end, away from the inclined bin, of the adjacent cleaning pool at the rear end, and the end, away from the inclined bin, of the cleaning pool at the foremost end is located below the undaria pinnatifida output port; a chain plate on the chain plate conveying mechanism is connected with a filtering box through a spring I, and filtering holes are formed in the filtering box; according to the undaria pinnatifida cleaning device, the undaria pinnatifida is cleaned by arranging the multiple stages of cleaning pools, and the undaria pinnatifida in the cleaning process is shaken and impurities on the undaria pinnatifida are filtered out through the filtering box.
Owner:WEIHAI CHENGYUAN MARINE BIOTECHNOLOGY CO LTD

Method for removing iodine in macroalgae and application

The invention belongs to a biological deiodination technology, and provides a method for removing iodine in macroalgae and application. The chlamydomonas reinhardtii has an adsorption effect on iodine-containing substances and can be used for biological deiodination of macroalgae. Specifically, the invention provides a biological adsorption deiodination technology for removing iodine contained in edible macroalgae such as sargassum fusiforme, kelp, undaria pinnatifida and porphyra haitanensis through incubation treatment by using chlamydomonas reinhardtii in water, and a specific incubation treatment process is optimized, so that a relatively high deiodination effect is achieved.
Owner:WENZHOU SAFETY (EMERGENCY) RES INST TIANJIN UNIV

Fucoidan composition and preparation method thereof

The invention relates to a fucoidan composition and a preparation method thereof. The fucoidan composition comprises the following components in percentage by weight: 20-30% of nemacystus japonicus fucoidan, 20-30% of almacystus japonicus fucoidan, 20-30% of 25-35% of sporophyll carbohydrate gum of the undaria pinnatifida in the Tasmanni Australian sea area; 25-35% of fucus saccharide gum in the Australian Tasmanni subsea area; 5 to 10% of microalgae fucoidan; and 1-5% of microalgae fucoxanthin. According to the fucoidan composition disclosed by the invention, the effective inhibition rate of the prepared fucoidan composition on human colon cancer, human pancreatic cancer, human liver cancer, human prostatic cancer, human breast cancer or human lung cancer and the like reaches 89% or above through an optimized formula of multiple components.
Owner:JI ZHIYUAN BIOTECHNOLOGY CO LTD

Methods of inhibiting cancer growth and inhibiting viral infections

Provided herein are methods and compositions related to inhibiting cancer growth and to treating cancer in a subject. Further provided herein are methods and compositions related to reducing viral load and to inhibiting attachment of enveloped viruses in an individual. In some embodiments, compositions describe herein include an effective amount of one or more of Laminaria japonica, Undaria pinnatifida, Palmaria palmata, Fucus vesiculosus, Grifola frondosa, Ganoderma lucidum, Hericium erinaceus, Cordyceps sinensis, and Euterpe oleracea.
Owner:INFINITUM HEALTH INC

Feed for breeding stichopus japonicus and breeding method of stichopus japonicus

The invention provides stichopus japonicus breeding feed and a stichopus japonicus breeding method, and belongs to the technical field of stichopus japonicus breeding. The rape seed cake meal is adopted for providing vegetable protein, amino acid and trace elements such as manganese, zinc and copper, the algae powder is adopted for providing amino acid, vitamins and organic mineral substances, the undaria pinnatifida powder and the crab shell powder contain rich protein and mineral substances, and the undaria pinnatifida powder, the crab shell powder and the undaria pinnatifida powder can meet nutrient substances needed by growth of the stichopus japonicus; the multivitamins can activate the non-specific immune response of the stichopus japonicus, enhance the anti-stress and disease-resistant capabilities of the body, and cooperate with the auxiliary nutrients to improve the metabolism of the stichopus japonicus, promote the healthy growth of the stichopus japonicus and improve the yield and quality of the stichopus japonicus; and the stichopus japonicus culture feed is solid particles in the shape of carambola, so that the stichopus japonicus culture feed can quickly sink into water, a plurality of edges of the stichopus japonicus culture feed can be quickly softened after meeting water, and the middle part of the stichopus japonicus culture feed can still keep the shape for a long time, so that the stichopus japonicus can quickly ingest from the plurality of edges and then gradually ingest the middle part, and the ingestion time is prolonged.
Owner:山东省渔业发展和资源养护总站

Methods of inhibiting cancer growth and inhibiting viral infections

Provided herein are methods and compositions related to inhibiting cancer growth and to treating cancer in a subject. Further provided herein are methods and compositions related to reducing viral load and to inhibiting attachment of enveloped viruses in an individual. In some embodiments, compositions describe herein include an effective amount of one or more of Laminaria japonica, Undaria pinnatifida, Palmaria palmata, Fucus vesiculosus, Grifola frondosa, Ganoderma lucidum, Hericium erinaceus, Cordyceps sinensis, and Euterpe oleracea.
Owner:INFINITUM HEALTH INC

Use of fucoidan of sporophylls of undaria pinnatifida in preparation of uric acid-lowering or gout-treating products

The present invention belongs to the technical field of foods and pharmaceuticals, and relates to a novel use of fucoidan of sporophylls of Undaria pinnatifida. Provided in the present invention is a novel use of fucoidan of sporophylls of Undaria pinnatifida in the preparation of drugs, health foods, and foods for lowering uric acid, which can significantly reduce blood uric acid levels, alleviate and treat gout symptoms, has no toxic side effects, is safe and effective, can be used in the preparation of a URAT1 inhibitor and / or a GLUT9 inhibitor, and can be used in the preparation of drugs, health foods, or foods for lowering uric acid and treating gout, and has broad application prospects.
Owner:DALIAN HAIBAO BIOTECHNOLOGY CO LTD

Industrialized breeding method of undaria pinnatifida seedling

The application provides a kind of industrialized breeding method of Undaria pinnatifida seedling, and belongs to the technical field of seedling breeding.The application provides an industrialized breeding method of Undaria pinnatifida seedling, comprising the following steps: respectively propagating female and male gametophytes of Undaria pinnatifida to obtain female and male gametophytes for inoculation; mixing the female and male gametophytes for inoculation, inoculating to the seedling curtain, and carrying out seedling culture.The industrialized breeding method of Undaria pinnatifida seedling of the application is suitable for industrialized breeding of Undaria pinnatifida seedling in high temperature areas, and has the advantages of short cycle, low cost and high quality of seedling.
Owner:FISHERIES RESEARCH INSTITURE OF FUJIAN

A drying device for producing undaria pinnatifida facilitating drainage

This utility model discloses a drying device for wakame seaweed production that facilitates drainage. It includes a rotating base and a drying chamber. The rotating base is rotatably connected to both sides inside the drying chamber. A guide block is provided at the upper end of one side of the rotating base, and a support is fixed between the other sides of the rotating base. A lower positioning cover is connected to the lower end of the support. An electric push rod is fixed to the middle of the upper end of the support, and an upper positioning cover is connected to the lower end of the electric push rod. Slip rings are provided at the lower ends of both sides of the upper positioning cover, and the slip rings are slidably connected to one side of the support. A protective chamber is provided on one side of the drying chamber, and a motor is fixed inside the protective chamber. The output end of the motor is fixedly connected to the drive end of the rotating base. A drain pipe is connected to the lower end of one side of the drying chamber. This utility model provides excellent drying effect and saves resources.
Owner:DALIAN GAISHI FOOD

A method for co-culturing Undaria pinnatifida and Laminaria angustata on aquaculture ropes

The present invention discloses a method for co-culturing Undaria pinnatifida and juvenile Laminaria japonica on a culture rope for seedlings, belonging to the technical field of large seaweed cultivation. In the present invention, Laminaria japonica seedlings are first collected onto the culture rope for Undaria pinnatifida seedlings, and then Undaria pinnatifida seedlings are clipped onto the culture rope. On the same culture rope and in the same water body, Undaria pinnatifida and Laminaria japonica grow simultaneously. Undaria pinnatifida is harvested in the early stage, and juvenile Laminaria japonica is harvested in the later stage. It is realized that both Undaria pinnatifida and juvenile Laminaria japonica are harvested on the same water body and the same seedling rope. This not only changes the practice in the prior art of collecting Laminaria japonica seedlings and Undaria pinnatifida seedlings onto different culture ropes, but also improves the prior art methods of polyculture and intercropping of Laminaria japonica and Undaria pinnatifida in the same water area. This research improves the cultivation efficiency and benefits of Laminaria japonica and Undaria pinnatifida per unit water body, increases the utilization rate of sea areas, makes contributions to the cultivation of Undaria pinnatifida and Laminaria japonica, and has practical application value for marine fishery production.
Owner:DALIAN HAIBAO FISHERY

Rapid fattening bait for sea urchins and preparation method thereof

PendingCN121970850AHelps gain weightHelps form sweetnessClimate change adaptationAnimal feeding stuffNutritionZoology
The invention discloses a rapid fattening bait for sea urchins and a preparation method thereof, and belongs to the technical field of aquaculture feeds. The bait is prepared from the following raw materials in parts by weight: 10-25 parts of kelp powder, 10-25 parts of undaria pinnatifida powder, 5-15 parts of ulva pertusa powder, 5-15 parts of mussel powder, 8-20 parts of corn flour, 1.5-4.5 parts of gelatin powder and 30-50 parts of purified water. The sea urchin fattening feed has the beneficial effects that the formula is scientific, the nutrition is comprehensive and balanced, and the sea urchin fattening feed specially aims at the sea urchin fattening nutritional requirements and can remarkably promote rapid development of sea urchin gonads; after the bait enters water, the structure can be kept complete for a long time, the bait is almost free of dissolution loss, the utilization rate of the bait is greatly improved, and water pollution is fundamentally avoided; the bait is soft in texture and easy to gnaw by sea urchins, and the surface of the bait can slowly release food calling substances to attract the sea urchins to gather and eat; in the preparation process, low-temperature mixing and gel shaping are adopted, so that nutrient substances such as heat-sensitive vitamins and unsaturated fatty acids are effectively protected.
Owner:YANTAI VOCATIONAL COLLEGE

Undaria pinnatifida cleaning and drying device

The utility model relates to the technical field of undaria pinnatifida drying, in particular to an undaria pinnatifida cleaning and drying device. According to the technical scheme, the device comprises a base, a hot air box, a drying box, a lifting mechanism and an adjusting mechanism, the hot air box is arranged on one side of the base, the drying box is arranged on the side, on the hot air box, of the base, an air pump is arranged on the hot air box, a groove is formed in the drying box, and the air pump is provided with the adjusting mechanism in the drying box; according to the undaria pinnatifida drying device, a first driving motor controls lifting motion of a containing frame, a worker can conveniently take and place undaria pinnatifida, a second servo motor adjusts the positions of a rotating rod and an arc-shaped baffle, the atmosphere in the drying box is adjusted and controlled, and through the arrangement of the two motors, an air conveying pipe and an air outlet, the drying effect is improved. And the efficient drying process of the undaria pinnatifida is jointly completed.
Owner:DALIAN HONGSHENG AQUATIC PROD CO LTD