102 results about "Hyriopsis cumingii" patented technology

The invention relates to a special clinical nutrient composition for liver diseases and a preparation method of the composition. The special clinical nutrient composition comprises protein, fat, carbohydrate, dietary fibers, macro-elements, trace elements, vitamins, dietary essence, medicinal and edible components, natural plant compounds and new resource food, wherein the new resource food comprises hyriopsis cumingii polysacchride, and the medicinal and edible components comprise mint, Indian bread, barbary wolfberry fruits, common floweringquince fruits, common yam rhizome, mulberry fruits, spina date seeds and citrons. The preparation method includes the steps: preparing the components into powder in advance; uniformly mixing the powder to prepare corresponding dosage forms. The medicinal and edible components are subjected to water extraction, concentration and spray drying to prepare the powder, and the vitamins and the fat are microencapsulated into the powder. By screening and matching the components, the nutrient composition can provide needed energy, key nutrients and necessary trace elements for patients suffering from the liver diseases, the liver diseases are treated and liver cells are protected under the synergistic action of the components, and development of the liver diseases is slowed down.

The invention discloses a method for culturing fresh water colored pearls. The conventional fresh water pearl is single in color. Most of the market-available colored pearls are dyed or dyed kernel colored pearls to obtain pearls of more colors, and the dyed pearls have the defects of easiness in fading and possible side effects of chemical components on human bodies. Colored pearls obtained by genetic breeding have long periods, and species degrade easily. According to the feeding habit of hyriopsis cumingii capable of filtering and eating foreign matters, natural pigments and auxiliary materials which are easy to absorb and deposit are added in a feeding process, so that colorful fresh water pearls are cultured. Compared with the conventional artificially-dyed pearls, the colored pearls have the advantages of no toxicity or harmlessness, high stability, various colors, and suitability for various people to wear.

The invention discloses an early propagation method for hyriopsis cumingii seeds in methods for breeding hyriopsis cumingii. By the early propagation method for the hyriopsis cumingii seeds, the technology for early propagation of the hyriopsis cumingii is successfully developed for the first time in China, parent hyriopsis cumingii and seeds thereof are originally artificially bred in a greenhouse, early maturity of the gonads of the parent hyriopsis cumingii and quick growth of the seeds in early spring are promoted to succeed by adopting the technology of water temperature regulation and directional breeding of biological bait, and 80 percent of hyriopsis cumingii can reach the bead plugging specification; and the early propagation method for the hyriopsis cumingii seeds is technically characterized by mainly comprising the steps of selecting the parent hyriopsis cumingii, breeding the parent hyriopsis cumingii, collecting seedlings, breeding the hyriopsis cumingii seedlings at the parasitic stage, breeding juveniles after the seedlings are removed, breeding young hyriopsis cumingii and the like.

The invention discloses a planting method for reducing the content of heavy metal chromium in paddy rice. The planting method comprises: carrying out enriching treatment on animals and plants: planting water fennel seedlings at parts, close to ridge edges, of a paddy field, planting Indian mustard seedlings on ridges and culturing hyriopsis cumingii at a water bottom; carrying out leaching treatment: before planting rice seedlings, compounding fatty methyl ester polyoxyethylene ether, fatty methyl ester ethoxylate sulfonate, sodium dodecyl benzene sulfonate and rhamnolipid, and then leaching soil of the paddy field; carrying out adsorption treatment: after planting the seedlings, preparing a chromium adsorption bag from cross-linked cationic starch chelating agent granules, strong acidic styrene cation exchange resin granules, chitosan derivative granules and active carbon granules, and adsorbing the heavy metal chromium in the soil; carrying out microorganism treatment: putting microalgae living bodies, bovine coloctrum and microorganism bacteria into water of the paddy field; carrying out water exchange management and paddy field management. By adopting the planting method provided by the invention, the content of the heavy metal chromium in each part of unhusked rice can be reduced and the content of the heavy metal chromium in the soil can also be reduced; the planting method is suitable for being applied in regions with soil polluted by the heavy metal chromium.

The invention relates to a method for establishing cultured hyriopsis cumingii families and selecting improved varieties, which comprises the following steps: 1) firstly, preferably selecting energetic parent hyriopsis cumingii free of shell damage with the weight 15 to 20 percent heavier than the average weight from the parent hyriopsis cumingii as candidate parent hyriopsis cumingii with a selection intensity of 20 percent, selecting the parent hyriopsis cumingii with the ratio of shell width to shell length 15 to 20 percent greater than the average ratio from the candidate parent hyriopsis cumingii as breeding parent hyriopsis cumingii with a selection intensity of 30 percent, setting a comprehensive selection intensity of two indicators to 6 percent, and culturing each female hyriopsis cumingii in a spawning pool with an independent water source respectively, culturing the descendents of each female hyriopsis cumingii and establishing the families respectively from mating, culture in host fish, breeding to pearl development, eliminating the unqualified families continuously during the culture, and selecting the remaining families as the basic families for breeding the next generation; and 2) preferably selecting the improved varieties in the key period of breeding the hyriopsis cumingii families, which includes three stages, namely a stage when juvenile hyriopsis cumingii leave the pool, a stage before inserting pearls and a stage before maturing in the production of breeding the pearls of the hyriopsis cumingii.

The invention discloses a method for cultivating a pearl by inducing triploid hyriopsis cumingii. The method comprises the following steps of: cultivating the triploid hyriopsis cumingii by induction, namely selecting diploid hyriopsis cumingii with age of 3 to 6, shell length of over 15cm and shell thickness of over 5cm in normal growth as parent clams; isolating the male clams from the female clams of the selected parent clams for cultivation respectively; tracking and observing the development condition of the eggs of the female clams; transferring the female clams into a pond for cultivating the male clams to perform natural insemination on the female clams after the eggs are maturely developed; observing the development condition of the fertilized eggs; putting the female clams into 300 to 450 mu mol / L aqueous solution of 6-dimethyl aminopurine after over 80 percent of the fertilized eggs have first polar bodies; and performing induction processing for 10 to 30 minutes to obtain induced female clams; cultivating the female clams, and hatching and raising the seedlings to obtain the triploid juvenile clams; and performing cultivation to obtain the triploid hyriopsis cumingii. In the method, the normal diploid hyriopsis cumingii is used as the parents, and the natural insemination is adopted, so that the induction success rate is improved to over 70 percent.

The invention relates to a biological combination control technical method of alga growth in eutrophic water bodies; the method is also applicable to water works and water source plants for controlling alga in source water. Chub and hyriopsis cumingii are bred in the eutrophic water bodies by the method; density of the chub in the eutrophic water bodies is 45 to 95 g / m<3>, and weight per chub is 90 to 300g; density of the hyriopsis cumingii in the eutrophic water bodies is 40 to 70 g / m<3>, and weight per hyriopsis cumingii is 50 to 450g. Compared with the existing alga control method, the invention has the advantages of low cost, simple operation, lasting effect, having no secondary pollution and no ecological risks caused by invasive species. Meanwhile, some nutritive salts are taken out of the water bodies by harvesting chubs and hyriopsis cumingiies, and certain economic benefits can be produced.

The invention discloses an artificial spawning and insemination method for hyriopsis cumingii, which includes the steps: selecting parents 4-6 years old and identifying sex; isolating female parents and male parents for synchronous cultivation in a culture pond with micro-flow water; sorting out female clams to be pregnant; dividing the female clams to be pregnant into a natural insemination group and an artificial insemination group; injecting male clams with oxytocin; and performing artificial insemination to the male clams. By the method, artificial regulation of insemination of hyriopsis cumingii is realized, artificial insemination rate of hyriopsis cumingii can reach 70%-90% in 10-30 minutes, and basic conditions for developing researches on hyriopsis cumingii, such as polyploid breeding, family selection and the like are created.

The present invention relates to a pearl artificial cultivating method, which includes the procedures as follow: (1) the reproduction of the spat of the Hyriopsis cumingii: preparing the reproduction field, the parent Hyriopsis cumingii and the host fish and after the spat collection, the spatfall and the shedding, the demersal glochidium is grown up to be a larva mussel; (2) growth-promotion cultivating of the juvenile mussel: the larva mussel is cultivated in a grid box to be a juvenile mussel; (3) surgery and management of the mussel: the juvenile mussel becomes a pearly mussel through a seed sowed surgery and the pearly mussel is hanging to cultivate after the surgery; (4) the cultivation of the pearly mussel: cultivating the pearly mussel can achieve the product of the pearls; the pearly mussel is cultivated after being transferred to another place in the cultivating process of the procedure (4). Through the transferring of the cultivating environment, the present invention adjusts the small geographic ecology and water quality of the mussel pond and also brings about the differential compensation of the micro-elements, thereby promoting the further growth of the pearly mussel and improving the bigness, roundness, light and color of the pearl.

The invention relates to nucleated pearl lamella conditioning fluid in the technical field of pearl culture and application of the nucleated pearl lamella conditioning fluid. The conditioning fluid comprises the following constituents, by mass-to-volume concentration percentage, 1-5% of acid red, 0.01-5% of chondroitin, 0.1-5% of mafenide, 0.1-5% of taurine, 0.75% of sodium chloride, 0.1-5% of hyriopsis cumingii polysaccharide, and 0.05-3% of vitronectin, and allowance being water. The invention further relates to the application of the nucleated pearl lamella conditioning fluid in the pearl culture. The nucleated pearl lamella conditioning fluid can strengthen cell viability, prevent cell infection, and accelerate cell division and wound healing. When the nucleated pearl lamella conditioning fluid is applied to culture pearls, the death rate of the pearls is obviously reduced, and the rate of remaining nucleuses is obviously improved. Meanwhile, lamellas can be rapidly attached to lamella insertion shells, and the lamella insertion shells can rapidly proliferate to grow into pearl sacs. The nucleated pearl lamella conditioning fluid is simple in method, easy to achieve, wide in application range and remarkable in effect, is used for cultivating nucleated pearls by fresh water pearl mussels, and has wide application prospects.

The invention discloses beautifying and ageing preventing Switzerland sugar. The sugar is made from granulated sugar, isomaltooligosaccharide, mannan-oligosaccharide, water, sesame, blueberries, onions, garlic, bone-free fish meat, traditional Chinese medicines, cream, hydrogenated grapeseed oil, purple potato starch, agar, tamarind gum, lactic acid bacteria, table salt, collagen, hyriopsis cumingii polysaccharide, lycium barbarum polysaccharide, centrum powder and cinnamic acid. The product formula is scientific, and stability is high. By means of various beautifying and ageing preventing food materials, traditional Chinese medicines and nutritional agents, oxidation resistance can be achieved, heart and cerebral vessels are protected, cancer prevention is achieved, immunity is improved, ageing preventing is achieved, and skin is moistened; the sugar is dissolved, filtered, decocted in a staged mode and frozen and dried in vacuum, pores of the sugar can be uniform and fine, and the sugar can be good in chewiness; the sugar is packaged by banana edible paper, and the possibility of paper sticking is avoided; bone-free fish meat is added, and after fermentation, the flavor is delicious; by means of functional oligosaccharide, growth of probiotics is promoted, and the occurrence rate of decayed teeth is decreased; natural sterilization and corrosion prevention are conducted through cinnamic acid, and the sugar is safe and healthy.

The invention relates to a method for preparing a hyriopsis cumingii meat enzymolysis protein solution. The method comprises the following steps of: (1) cleanly flushing fresh hyriopsis cumingii meat by using clean water, and mashing evenly after carrying out preliminary chopping, so as to obtain a hyriopsis cumingii homogenate solution; and (2) diluting the hyriopsis cumingii homogenate solution by adding water, adjusting the pH value to be 6-8, adding an enzyme preparation, carrying out constant-temperature enzymolysis at the temperature of 40-45 DEG C, obtaining an enzymolysis protein solution, carrying out boiling enzyme inactivation treatment, cooling to room temperature, then, carrying out centrifugation or filtration to collect supernatant, and finally carrying out depressurizing concentration, thereby obtaining the hyriopsis cumingii meat enzymolysis protein solution. The method provided by the invention has the advantages of simplicity, strong operability, and few devices / equipment; and only a biological enzyme is used for carrying out enzymolysis extraction, and any organic solvent / chemical substance is not used, so that no pollution to environments exists, and the production cost is low. The enzymolysis protein solution prepared by the method has the advantages of high nitrogen recovery, abundant effective oligopeptide content and wide product purpose.

The invention provides a facility and a method for early breeding of hyriopsis cumingii seeds. The facility comprises an egg breeding shed, a bait shed and a seed breeding shed. The egg breeding shed is provided with an egg breeding pool shed body and an egg breeding pool with an oxygenation pipeline at the bottom, breeding net boxes are arranged in the egg breeding pool; a bait pool shed body and a bait pool is arranged in the bait shed, filter screens are arranged in the bait pool; the seed breeding shed comprises a seed breeding pool shed body and a seed breeding pool, seed breeding districts are arranged in the seed breeding pool, a bait releasing pipeline is arranged above the connection position of two adjacent rows of the seed breeding districts, water drainage trench grooves are formed below the connection position of two adjacent rows of the seed breeding districts and on the periphery of the seed breeding pool, and an impounding reservoir is also arranged in the seed breeding pool; the bait pool is communicated with the seed breeding pool through a guiding pipe and a water discharging tube. The facility and the method for the early breeding of the hyriopsis cumingii seeds have the advantages that an oxygenation facility is arranged at the bottom of the egg breeding pool, oxygen can be tenderly provided for mother mussels, a circulation is formed between the bait shed and the seed breeding shed, recycle of baits can be achieved, and heat loss can be reduced; in addition, the structures of the egg breeding shed, the bait shed and the seed breeding shed are simple, assembly and disassembly are convenient, and a guarantee is provided for stable yield and high yield of the hyriopsis cumingii, and for low-cost seed early breeding.

The invention relates to a method for artificially breeding purple nacre strain hyriopsis cumingii, which comprises the following steps of: (1) selecting parent clams, namely optimizing the cold shock method of the hyriopsis cumingii and a dental mirror in-vivo observational technique, establishing a loss-free, quick and accurate hyriopsis cumingii nacre color in-vivo identification technique, and screening the parent clams by combining hyriopsis cumingii pearl-breeding properties; (2) breeding small clams, namely hanging and inbreeding male and female parents in a water body without heterogenic sperm interference according to the inbred combination, and independently breeding from mating, seedling parasitizing, seedling growing to pearl breeding; (3) breeding pearl-breeding clams, namely sending offspring of each female clam after pearl inserting to a plurality of culturing farms and independently breeding; and (4) breeding the purple nacre hyriopsis cumingii strain, namely determining early stage of pearl inserting operation and later stage of pearl breeding as critical periods of breeding and optimizing small clams and pearl-breeding clams. The method has the advantages of visual breeding properties, accurate identification, and capability of breeding the purple nacre strain hyriopsis cumingii and improving the color purity and yield of pearls.

The invention provides a Hyriopsis cumingii enzymolysis polypeptide, preparation and application thereof. The enzymolysis method comprises the following steps that: fresh Hyriopsis cumingii meat is crushed and pulped, and added with water of which the weight is 5 to 6 times of that of the fresh Hyriopsis cumingii meat; the mixture is boiled and filtered; the precipitate is dried and degreased to obtain albumen powder of the Hyriopsis cumingii meat; the albumen powder of the Hyriopsis cumingii meat is soaked in water of which the weight is 6 to 8 times of that of the albumen powder of the Hyriopsis cumingii meat for 11 to 12 hours and subjected to superfine grinding and even pulping, and the pH value of the mixed solution is adjusted to between 8.0 and 9.0; based on the albumen content in the albumen powder of the Hyriopsis cumingii meat, 0.3 to 0.6 percent of alkali protease is added in the mixed solution for enzymolysis for 4 to 6 hours at a temperature of between 40 and 60 DEG C; the obtained supernatant is condensed and dried to obtain the Hyriopsis cumingii enzymolysis polypeptide; and by testing, the content of the total albumen of the Hyriopsis cumingii enzymolysis polypeptide is more than or equal to 80 percent, wherein the contents of asparagic acid, glutamic acid, leucine, lysine and arginine are more than or equal to 50 percent, and the molecular weight is mainly concentrated in two zones of 6,100Da and 26,200Da. By a test for culturing mouse lymphocytes in vitro, the Hyriopsis cumingii enzymolysis polypeptide can be used for preparing a medicament for promoting proliferation of the T lymphocute and a health care food for improving the immunity.

The invention relates to a method for identifying a pearl powder of cultured freshwater hyriopsis cumingii and a shell grinded powder thereof. The identification method employs the out-of-plane bending variation upsilon2 characteristic adsorption peak position of CO3<2-> ion of biogenic aragonite calcium carbonate and the difference of organic content of pearl and shell of hyriopsis cumingii as basis, and utilizes Fourier transform infrared (FTIR) spectrograph and a whiteness measurement combined technology for a powder obtained by a powder sample is subjected to roasting heat treatment, so as to realize distinguishing and identification on the two powders. The identification method is practicable and simple to operate, is capable of providing laboratory detection basis for identification of true and false pearl powders, and has relatively important practical significance on promoting sustainable healthy development of pearl powder processing industry economy and standardizing benign competition of pearl powder industry.

The invention discloses a method for cooperatively controlling microcystis aeruginosa and purifying water quality by using Plagiognathops microlepis, hyriopsis cumingii, Bellamya aeruginosa and calamus, and belongs to the technical field of water quality purification. The method comprises the following implementation steps: 1, selecting a specific eutrophication water area; 2, putting the hyriopsis cumingii into a net bag of a continuous ecological floating bed; and 3, throwing the Plagiognathops microlepis and the Bellamya aeruginosa into the water respectively. The method is simple and practical, can control the microcystis aeruginosa on upper, middle and lower layers of the water and microcystis aeruginosa hypopus in bottom mud and achieves an effect of purifying the water quality; various types of organisms are added, so the biological diversity of the water is improved and balance of a water ecological system is promoted; the hyriopsis cumingii, the Bellamya aeruginosa and the Plagiognathops microlepis are caught, so a certain economic value is achieved; and the calamus can be harvested at fixed period and can be used for feeding animals or serve as paper-making raw materials, so secondary pollution is avoided.

The invention discloses a method and an apparatus for improving transparency of a water body. The method, which is a biological method, uses bivalvia to improve the transparency of the water body, and comprises the following steps: selecting the bivalvia species, stocking the bivalvia species, and replacing the bivalvia. The selected bivalvia is hyriopsis cumingii, the size of the suspended stocking hyriopsis cumingii is 50-200 g / ind, and the suspended stocking density is 50-500g / m3. The hyriopsis cumingii are replaced regularly when the size of the hyriopsis cumingii is over 500 g / ind with the hyriopsis cumingii having the size of 50-200 g / ind. By using the method of the invention, the recovery of submerged plants in an eutrophication water body can be promoted, the pollutant in the water body can be significantly reduced, the ecological balance of the water body can be promoted and the environmental capacity can be improved. And with simple and feasible operation and some economic benefit, the method and the apparatus can be applied in the restoration of water bodies such as lakes and rivers.

The invention discloses a DNA (deoxyribonucleic acid) in-vivo sampling method for young Hyriopsis cumingii. The research object of the method is small in size, and does not need to be put to death; the economic character of the object can be bred at the earlier stage to enhance the breeding efficiency; the consumption of tissue materials for DNA extraction is extremely low; and the extracted DNA is good in quality, thereby meeting the requirements of biological research. The technical key points of the invention are as follows: the DNA in-vivo sampling method for young Hyriopsis cumingii comprises the following steps: 1) peeling mantle tissues of young Hyriopsis cumingii; 2) extracting the genome DNA of the peeled tissues; 3) detecting the extracted DNA; and 4) culturing the young Hyriopsis cumingii.

The invention discloses a method of cooperatively controlling microcystis aeruginosa by plagiognathops microlepis, hyriopsis cumingii and bellamya aeruginosa, belonging to the technical field of water treatment. The method specifically aims to treat a water area with indexes of nitrogen, phosphorus, COD (Chemical Oxygen Demand) and BOD5 (Biochemical Oxygen Demand) meeting certain requirements. By adopting the method disclosed by the invention, microcystis aeruginosa in upper, middle and lower layers and microcystis aeruginosa hypopus in the bottom layer in a water body can be cleaned to increase the biodiversity of the water body, thereby facilitating balance of the ecological system of the water body. Meanwhile, hyriopsis cumingii, bellamya aeruginosa and plagiognathops microlepis are fished, thus having certain economic values. The method disclosed by the invention has the advantages of simple structure, reasonable design and simplicity and feasibility.

The invention discloses a culture method for effectively reducing the heavy metal cadmium content in cultured fish bodies. A mixed culture method oriented to fish and pearl mussel culture is adopted, and 70-100 kg of quick lime is applied for each mu of water surface before putting; in the culture process, the quick lime is applied for one time every two weeks, and the application amount each time is appropriately adjusted according to the season and weather conditions. By the adoption of the culture method, the content of cadmium ions entering cultured fish bodies or other aquatic organism bodies can be effectively reduced; the pH of a culture water body is regulated through the quick lime, and the toxic effect of the heavy metal cadmium on the cultured fishes is reduced; a sufficient calcium source ensures healthy development of bones and other components of the fishes and other aquatic organisms; the stronger heavy metal enrichment capabilities of hyriopsis cumingii and other low-value mussels are fully utilized, and the amount of the heavy metal cadmium enriched in the fish bodies can be decreased. The culture method has the advantages of being simple, simple and convenient to operate, wide in raw material source, low in cost, obvious in effect and convenient to popularize and apply during production.

The invention discloses a field device for biologically monitoring water quality online. The defects that tested organisms need to be fed by foods, the tested organisms need to be replaced periodically, monitoring is limited to a specific monitoring site and medium / long-term online biological monitoring cannot be realized in the conventional online water quality biological monitoring are overcome. The scientific requirements of medium / long-term biological monitoring early warning which reflects water toxicity change in a natural water body can be met. According to the device, a rule that hyriopsis cumingii can be subjected to hanging culture in lakes and reservoirs for ingesting plankton and a physiological phenomenon that the shell of the hyriopsis cumingii is tightly closed after the hyriopsis cumingii is stressed are fully utilized, and the shell motion of the hyriopsis cumingii is induced by using a sensor fixed on the shell of the hyriopsis cumingii, so that the biological toxicity monitoring of the water quality is performed. According to the device, a floating platform and a floating ball are fixed on a monitoring site by utilizing a mooring anchor, a signal emitter is supported by buoyancy supporting the floating platform, and the hyriopsis cumingii and the sensor are supported by utilizing buoyancy of the floating ball, so that the hyriopsis cumingii and the sensor are suspended in the water body. The shell closing response of the hyriopsis cumingii is induced by utilizing the sensor, a signal is transmitted to the signal emitter through a wire, the signal is received by utilizing a signal receiver arranged ashore for performing analytical processing, and the water quality is subjected to scientific early warning and monitoring.

The invention relates to a treating fluid used for the cultivation of nucleus pearls, and belongs to the technical field of pearl cultivation. The treating fluid comprises the following components: (a),a first treating fluid and (b), a second treating fluid, wherein the first treating fluid comprises the components as follows: a bamboo charcoal powder solution, a dry-chrysanthemum solution, a gold mudstone solution, a gobi stone solution, a safflower parasitic skin solution, a peach parasitic skin solution, a safflower loranthus parasiticus skin solution and a vitamin B solution; the second treating fluid comprises the components as follows: acid red, chondroitin, mafenide, taurine, sodium chloride, hyriopsis cumingii polysacchride, vitronectin and water. According to the invention, through using the treating fluid for cultivation, the technical problems that the peals cultivated by the traditional method are dim in luster, poor in quality and low in survival rate are solved.

The invention relates to a method for cultivating nucleus pearls, and belongs to the technical field of pearl cultivation. The method comprises the steps as follows: step one, taking out a pearl nucleus to be put into a first treating fluid for soaking and cultivation; step two, taking out a cell chip of the edge membrane of the rear half part of a mussel body to be put into a second treating fluid for soaking and cultivation; step three, enabling the cell chip to be adhered to the pearl nucleus and planted into the mussel for cultivation so as to form a nucleus pearl, wherein the first treating fluid comprises the components as follows: a bamboo charcoal powder solution, a dry chrysanthemum solution, a gold mudstone solution, a gobi stone solution, a safflower parasitic skin solution, a peach parasitic skin solution, a safflower loranthus parasiticus skin solution and a vitamin B solution; the second treating fluid comprises the components as follows: acid red, chondroitin, mafenide, taurine, sodium chloride, hyriopsis cumingii polysacchride, vitronectin and water. According to the method provided by the invention, the rejection of the mussel body to pearl nucleus is overcome, the vitality of the cell chip is promoted, and large-scale operation can be implemented.

The invention relates to a method for cultivating Hyriopsiscumingii seed, characterized in that adding soil water and fine soil 12 times in the cultivating period, and increasing the their consumption in the growth, and the invention has two steps that 1, from the fifth day to the 20th day, after seed releases, adding soil water in each three days for six times, while the fine soil consumption is 0.025-0.35kg in unit square meter cultivate pool, to prepare soil water when the ratio between soil and water is 1:4, that adding soil water for 0.125-1.75kg, 2, from 23rd to 38th days after seed releases, adding fine soil in each 3 days for six times, while each square meter cultivate pool has 0.5-1.5kg fine soil. The invention can build good condition for Hyriopsiscumingii seed, with abundant oxygen and nutrient, thereby improving survival rate, growth speed and uniform size.

The invention discloses a method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth. The method comprises the following steps of: a) selecting pearl mussels at two years old to slice or nucleus insertion operation; b) adding rare earth element cerium into aquatic water of the pearl mussels in a post-operative recuperation period; c) feeding artificial foods into the aquatic water containing cerium everyday; and d) putting the pearl mussels that are treated in 30-60 days in the aquatic water containing cerium in natural water for conventional stocking. The method disclosed by the invention can be used for remarkably inducing quick formation of pearl sacs of hyriopsis cumingii after slice or nucleus insertion operation and can be used for remarkably promoting secretion and deposition of the pearl sacs of hyriopsis cumingii after slice or nucleus insertion operation, so that the growth of the pearls is quickly promoted, and the glossiness of the pearls is good, and the quality and output of the pearls are remarkably improved.

The invention belongs to the field of foods or health-care products, and particularly relates to a food composition having the health-care effects of protecting the liver and neutralizing the effect of alcoholic drinks. The components of the food composition comprise substances of silybum marianum seeds, cortex eucommiae male flowers, dandelions, hoveniae semoveniae semen, roselle, hyriopsis cumingii polysaccharide and the like. Through extraction of effective components, mixing and drying, paste is made and can be eaten. A food made from the food composition having the health-care effects ofprotecting the liver and neutralizing the effect of alcoholic drinks provided by the invention utilizes the advantage of each component, on one hand, through mutual synergistic reaction of the components, the food has the effects of neutralizing the effect of alcoholic drinks, removing toxicity and protecting the liver, and on the other hand, the immunity of bodies can be enhanced. Besides, all the components are food raw materials, so that the food composition is healthy, free from toxic and side effects, and suitable for people to take for a long time.

The invention discloses an efficient hyriopsis cumingii sorting device which comprises a body. A sliding rail is fixedly mounted at the top of the body, rollers are slidably connected to the top of the sliding rail, a guide rod is fixedly connected to tops of the rollers, the top of the guide rod is fixedly connected on the output end of a motor, a central stirring shaft is fixedly connected to the bottom of the guide rod, and a clamp seat is fixedly mounted on the inner wall of the body. By the arrangement of the motor, the central stirring shaft, the clamp seat, a first sieve tray, driven stirring rods and guide strips, hyriopsis cumingii seedlings are poured into the body through a feeding hopper, the body is then put into water, the motor is started to drive the central stirring shaft to rotate, multiple layers of sieve trays can be sieved by cooperation of the central stirring shaft and the driven stirring rods, and efficiency and convenience in sieving are achieved; by the arrangement of the guide strips, smudge on the surface of the hyriopsis cumingii can be cleaned, scratch of the hyriopsis cumingii can be prevented, and the problem about difficulty in sorting of the hyriopsis cumingii in the prior art is solved.

The invention relates to a cultivating method of hyriopsis cumingii with a golden yellow shell. The method is characterized by comprising the following steps of (1), selecting 4-6 parent hyriopsis cumingii; (2) taking the margin tissues of the pallium of the parent hyriopsis cumingii, extracting the total RNA (ribonucleic acid) and synthetic single stranded c RNA, performing SRAP (sequence-related amplified polymorphism) amplification by adopting primer combination, and selecting male and female individuals with specific strip sequences with the golden yellow shells after the amplification products are subjected to electrophoresis; (3) using the selected male and female parent hyriopsis cumingii to build a family and cultivating in a water flowing pool; (4) periodically examining the pregnant condition of the female hyriopsis cumingii, and if mature glochidiums are found, selecting the mature female hyriopsis cumingii to reproduce to obtain infant hyriopsis cumingii; cultivating the infant hyriopsis cumingii in the water flowing pool until the shell reaches 1-2cm long, removing into to a net cage, and suspending the net cage into a pond to perform second stage cultivating on the infant hyriopsis cumingii until the shell length reaches 5-8cm; (5) removing the family parent hyriopsis cumingii with the non-golden yellow shells, and using the rest parent hyriopsis cumingii to build a core cultivating population with the golden yellow shells. According to the cultivation method of the hyriopsis cumingii with the golden yellow shell, the ratio of the hyriopsis cumingii with the golden yellow shell can reach more than 99.0%, the shell color is stable in heredity and the postoperative survival rate is high.

The invention discloses an eye protection bean curd sheet. The eye protection bean curd sheet is made from, by weight, 120-130 parts of soybeans, 22-24 parts of skim milk, 6-8 parts of Myrciaria cauliflora Berg, 6-8 parts of Lycium ruthenicum Murr, 6-8 parts of black tomatoes, 1.6-1.8 parts of cassia seed, 1.4-1.6 parts of Tragopogon pratensis L., 1.4-1.6 parts of Penthorum chinense Pursh, 1.2-1.4 parts of chlorella pyrenoidosa, 2.2-2.4 parts of lactic acid bacteria, 4-5 parts of fructo-oligosaccharide, 0.4-0.5 parts of Hyriopsis cumingii polysacchrides and 0.2-0.3 parts of anthocyanidin. The eye protection bean curd sheet has the advantages of high safety and healthiness, abundant raw materials, fine and tender mouthfeel, highchewiness, dense fragrance, violet red color, balanced nutrition, easy absorption, and comprehensive health functions, and can protect eyes, improve eyesight, protect liver, prevent oxidation and ageing, enhance immunity, tranquilize mind, help sleep, protect heart and cerebral vessels, keep youth and care skins.