74results about How to "Has a sterilizing effect" patented technology

The invention discloses a novel energy-saving silica gel drying device and a process thereof, which can dry silica gel rapidly and efficiently with the drying thermal efficiency improved to 50 percent from 35 percent of the prior art. The device comprises at least one superheated steam drying unit and at least one hot air drying unit. A required material can be obtained through speed-raising drying and constant-speed drying of the superheated steam drying unit and drying of the hot air drying unit. The process is a superheated steam-hot air combined multi-stage silica gel drying process, the first three stages adopt superheated steam drying, the first-stage steam drying is mainly a speed-raising drying stage, the second stage and the third stage are respectively a stage of constant-speed drying at the corresponding temperature, wherein the silica gel drying speed is high, no breakage or cracking can be easily caused, good properties of the porous structure can be maintained, the drying quality is high, and the fourth-stage hot air drying can maintain a relatively high drying speed. The superheated steam-hot air combined multi-stage silica gel drying process has the advantages of good quality of the dried silica gel and high speed, and the closed drying circulation system has significant effect on energy conservation and emission reduction.

The invention discloses a natural hand soap and a preparation method thereof. The natural hand soap comprises the following raw materials in parts by weight: 30-40 parts of sapindus mukorossi, 10-20 parts of Chinese honey locust, 3-6 parts of anthemis nobilis, 9-14 parts of liquorice, 5-8 parts of almond, 10-15 parts of olive oil, 10-15 parts of palm oil, 5-15 parts of sodium hydroxide, 5-10 parts of purified water, 10-20 parts of a plant extract sterilizing agent and 5-10 parts of a flavouring agent. The natural hand soap prepared by adopting the preparation method has the functions of decontaminating, protecting skin, removing freckles, preserving moisture and sterilizing, is a natural and harmless hand soap, and further has an extensive economical value.

The invention provides a preparation method of a high-flavonoid-content tartary buckwheat product. The preparation method comprises the following steps: selecting full tartary buckwheat grains and placing into a container, adding with clean water, and soaking for 3-7h at 20-30 DEG C; uniformly scattering the soaked grains in a shallow tray paved with a wet gauze at the bottom, placing the shallow tray into an incubator at 21-25 DEG C, germinating for 12-48h under a dark condition, and spraying water into the shallow tray every 12h during the period of time to ensure the humidity; irradiating the germinated grains for 25-30min with UV-C (ultraviolet-C rays), placing into the incubator at 21-25 DEG C, and continuously germinating for 24-48h under a dark condition; and drying the processed grains at 50-60 DEG C and husking to obtain tartary buckwheat grains, or further crushing to obtain flour. The method adopts the UV-C irradiation and germination technology, and the method can remarkably improve the total flavonoid content (improved by 80% compared with the control group) of the tartary buckwheat product; and besides, the UV-C also has a sterilization function and ensures the safety of the product.

The invention discloses a preparation method of wallpaper with air purification function, belonging to the technical field of wallpaper. In the present invention, tetrabutyl titanate is used as titanium source to prepare nano-titanium dioxide, and then ethyl orthosilicate is used as silicon source to form nano-silicon dioxide film coated on the surface of nano-titanium dioxide, and then it is mixed with diatomaceous earth, tourmaline, Polyvinyl alcohol, etc. are ground and prepared into a coating solution, and finally the coating solution is coated on the surface of non-woven paper, and then embossed and dried to obtain a wallpaper with air purification function. The present invention uses diatomite, cellulose ether, and wood fiber as the matrix of the coating liquid, which can efficiently absorb free formaldehyde in the air, and then catalyzes and decomposes the negative ions generated by modified nano-titanium dioxide and tourmaline to achieve formaldehyde removal. and purify indoor air.

The invention discloses a dendrobium officinale healthcare product with an auxiliary blood glucose reducing function. The dendrobium officinale healthcare product comprises the following raw materials in parts by weight: 35 to 45 parts of fresh dendrobium officinale bars, 1 to 2 parts of American ginseng, 2 to 4 parts of the root of kudzu vine, 2 to 4 parts of radix trichosanthis and 1 to 2 parts of fructus schizandrae. A preparation method for the dendrobium officinale healthcare product with the auxiliary blood glucose reducing function comprises the following steps: weighing the raw materials; processing the fresh dendrobium officinale bars; processing the American ginseng; performing alcohol extracting; performing water extracting; drying; batching. According to the dendrobium officinale healthcare product with the auxiliary blood glucose reducing function disclosed by the invention, the raw material formula is from clinical practice under the guidance of the theory of traditional Chinese medicine; the herbal medicines in a prescription are concise and are high in pertinency; the medicines in a raw material formula can nourish yin, benefit qi, clear heat and promote the secretion of saliva or body fluid; the active ingredients of the medicines are easy to absorb and are favorable to play efficacy; the medicinal materials in the raw material formula have the homology of medicine and food, and have no toxic or side effect.

The invention relates to a light-storable self luminous transparent film, which comprises a transparent organic resin film, light-storable self luminous transparent granules, and accessional materials, wherein the light-storable self luminous transparent granules of which the diameter range is between 5 nanometers and 300 meshes are evenly distributed in the transparent organic resin film.

The invention discloses composite pleurotus eryngii nutrition powder and chewable tablets. The composite pleurotus eryngii nutrition powder and chewable tablets are prepared from the following raw materials in parts by weight: 40-70 parts of pleurotus eryngii, 10-30 parts of celery, 10-30 parts of onion, 5-10 parts of konjak and 5-30 parts of auxiliary materials. The composite pleurotus eryngii nutrition powder and chewable tablets are prepared from the pleurotus eryngii, the celery, the onion and the konjak together. A manufacturing method of the composite pleurotus eryngii nutrition powder and chewable tablets is simple and reasonable, microwave curing and other technologies are used in the preparation process, the raw materials are cured, a sterilization effect is achieved, the components with nutritional and active effects are kept, and the prepared nutrition powder and chewable tablets contain rich edible mushroom polysaccharide, onion active substances, dietary fiber and the like, are low in heat and high in nutrition and have a certain effect of preventing hyperlipidemia, hypertension and the like.

The invention belongs to the technical field of traditional Chinese medicine preparation and particularly relates to a preparation method of an aromatic decocting-free traditional Chinese medicine agent. According to the preparation method, effective ingredients of volatile oil contained in aromatic traditional Chinese medicines are extracted with a supercritical CO2 extraction technology, extraction is performed with an ultrasonic-microwave synergic extraction technology, an extraction solution is filtered through a microfiltration technology, filtrate is concentrated and mixed with the volatile oil after inclusion, the mixture is dried and smashed, and the aromatic decocting-free traditional Chinese medicine agent is prepared from extract fine powder. The problems that the utilization rate of raw materials is low, effective ingredients of the volatile oil are not completely extracted and are severely damaged, the extraction efficiency is low and the like during extraction of traditional Chinese medicinal materials with a conventional method are solved; the whole technological process is simple to control, green and environment-friendly, the technological steps have synergistic interaction, accordingly, the extraction efficiency of the preparation method is higher, the effective ingredients are effectively protected, and the utilization rate of the aromatic traditional Chinese medicinal materials is increased.

The invention belongs to the field of traditional Chinese medicine, and relates to a pharmaceutical composition with Chinese herbal medicine as a raw material, in particular to a pharmaceutical composition for treating the cardia-cerebrovascular disease. The pharmaceutical composition is a drug prepared from, by weight, 80-200 parts of the root of red-rooted salvia, 80-200 parts of lucid ganoderma, 80-180 parts of pseudo-ginseng, 80-180 parts of the rhizome of chuanxiong, 50-150 parts of safflower, 50-150 parts of American ginseng, 40-100 parts of leeches, 40-100 parts of earthworms, 20-80 parts of milkvetch roots and 10-40 parts of radix angelica sinensis. The pharmaceutical composition is low in cost and reasonable in formula, and has the effects of tonifying qi and benefiting blood, promoting blood circulation to remove blood stasis, dredging collaterals and softening blood vessels. A good treatment effect is achieved on patients with the severe coronary arteriosclerotic cardiopathy and large surgical risks, and the patients cannot be treated through artery coronary bypass grafting. The pharmaceutical composition is suitable for being taken for a long time, and when patients with the coronary heart disease function III levels are rechecked after taking the pharmaceutical composition for 3 years, clinical symptoms basically disappear.

The invention provides liquid fertilizer for preventing and controlling rape plasmodiophora brassicaeis and is characterized by being prepared from an enzyme bacterium quick composting agent, garlic stems and leaves, folium artemisiae argyi, pig hairs, brown sugar, calcium powder, boron fertilizer, rare earth, sodium naphthalene acetate, indole-3-butyric acid potassium, sulfuric acid and water. The liquid fertilizer provided by the invention has the advantages that 1, wastes are changed into valuable things; 2, a formula is scientific; 3, an application effect is good; 4, continuous cropping is carried out on a cultivated land; 5, the quality of agricultural products is improved and the body health of people is facilitated; 6, the product is low in price and good in quality.

The invention relates to the technical field of a cleaning agent and specifically provides a cleaning agent for an aluminum fin and a cleaning method. The invention aims to promote the smoothness of an aluminum section bar. In order to achieve the aim, the cleaning agent provided by the invention comprises the following raw materials in parts by weight: 18-28 parts of a corrosion inhibitor, 15-45 parts of inorganic salt, 5-15 parts of an accelerant, 5-12 parts of a slime release agent, 1-5 parts of a brightener and 30-60 parts of water. According to the cleaning method for the aluminum fin, provided by the invention, the cleaning agent is adopted for cleaning the aluminum fin; the cleaning agent is diluted, sprayed and brushed onto the surface of the aluminum fin so as to achieve the cleaning aim or the aluminum fin is soaked in the diluted cleaning agent so as to achieve the cleaning aim; the brightener is adopted for forming a protecting film on the surface of the aluminum fin, so that the surface of the de-scaled aluminum fin is clean and bright, and the physical performance and secondary processing performance of the aluminum fin are not reduced; and under the dual functions of the corrosion inhibitor and the slime release agent, the corrosion resistance of the aluminum fin is promoted, the cleaning time is shortened, and the cleaning is completed within 3min-5min.

The invention relates to a preparation for preventing lateolabrax japonicus enteritis and also relates to a preparation method of the preparation for preventing the lateolabrax japonicus enteritis. The preparation for preventing the lateolabrax japonicus enteritis is prepared from the following components in parts by mass: 27 to 35 parts of pomegranate barks, 22 to 26 parts of fresh hydrocotyle sibthorpioides juice, 21 to 26 parts of hibiscus barks, 21 to 25 parts of Rodgersia pinnata Franch., 20 to 25 parts of creeping oxalis, 19 to 23 parts of dandelions, 18 to 24 parts of aconitum gymnandrum maxim, 17 to 23 parts of houttuynia cordata, 17 to 22 parts of cocklebur fruits, 15 to 23 parts of hawthorn fruits, 14 to 20 parts of peruvian groundcherry herb, 14 to 20 parts of common cnidium fruits, 14 to 20 parts of lotus seeds, 13 to 19 parts of roots of Szechwan raspberry, 12 to 18 parts of Myositis sylvatica, 12 to 18 parts of Chinese galls, 10 to 18 parts of lophatherum gracile, 11 to 17 parts of resurrection lily rhizomes, 10 to 16 parts of blackberry lily and the like. The preparation for preventing the lateolabrax japonicus enteritis, provided by the invention, has a good treatment effect on the lateolabrax japonicus enteritis.

The invention discloses a sterilization and smoke suppression halogen-free wood fire retardant. The sterilization and smoke suppression halogen-free wood fire retardant is composed of, by mass, 40-80 parts of guanyl urea phosphate, 30-50 parts of urea, 10-20 parts of zinc borate, 5-10 parts of ammonium molybdate, 3-10 parts of pentaerythritol, 1-20 parts of ammonium dihydrogen phosphate, 12-25 parts of silica sol, 3-15 parts of decabromodiphenyl ether, 5-10 parts of fatty alcohol-polyoxyethylene ether, 1-20 parts of hexadecyltrimethoxysilane, and 1-20 parts of nanometer titania modified by one of Pt, Ag and Fe<3+>. The sterilization and smoke suppression halogen-free wood fire retardant is good in flame retardant property, high in anti-moisture absorption property and leaching resistance, good in stability, completely non-poisonous and low in cost and has the smoke suppression and sterilization effects.

The invention discloses a seedling raising method of Chinese water-chestnuts, and belongs to the technical field of agricultural planting. The planting method comprises the following steps: pretreatment of seedling Chinese water-chestnuts, induction culture, multiplication culture, rooting culture, preparation of nursery gardens and transplantation, wherein in processes of induction culture, multiplication culture and rooting culture, tissue culturing is carried out through an MS culture medium and a variety of additives; in a preparation process of the nursery gardens, seedling raising fertilizer prepared from the following raw materials: well-composted farmyard fertilizer, a humic acid, soybean meal, residues of edible fungi, microorganism bacteria, poria cocos, radix notoginseng, auricularia auricula, fructus viticis negundo, firmiana flower, calcium superphosphate powder and lime powder. According to the seedling raising method of the Chinese water-chestnuts disclosed by the invention, the problems that growth advantage of tissue culture seedling obtained through a conventional tissue culturing method is not obvious, and disease resistance ability of the finally-obtained seedlings is weaker are solved.

The invention discloses a high-pressure extraction method of effective ingredients in green tea for effectively solving the problem of loss or degeneration of the effective ingredients of green tea caused by high processing temperature in the existing extracting technology. The method takes green tea as a material, and takes water or ethanol as a leaching solvent, and comprises the steps of carrying out high-pressure treatment under room temperature in a pressure container after mixing the material with the solvent, wherein the pressure is 300-500MPa, and the dwell time is 10-20 minutes; and filtering the green tea after releasing pressure, so as to obtain extracting solution of the effective ingredients of the green tea.

The invention relates to probiotic fermented yoghourt and a production process thereof, and relates to the technical field of yoghourt. The probiotic fermented yoghourt comprises the following components in parts by weight of 20-30 parts of milk powder, 4-6.5 parts of whey protein powder, 10-15 parts of potato plants, 1-1.5 parts of cane sugar, 0.9-1.6 parts of essential oil, 3-5 parts of fermentation strains, 0.5-0.8 part of pectin, 1.2-1.6 parts of agar, 0.3-0.7 part of acetylated distarch phosphate, 0.4-0.6 parts of diacetyl tartaric acid monoglyceride and diglyceride and 40-50 parts of purified water. By reducing the acidification phenomenon in the yoghourt storage process, the nutritional value of the yoghourt is improved, and the taste of the yoghourt is guaranteed.

The invention discloses a cleaning agent for microbial contamination on the surface of an insulator and belongs to the technical field of electric equipment cleaning agents. The cleaning agent is prepared from any one of a component A and a component B or a mixture of the component A and the component B in any proportion, wherein the component A is prepared from the ingredients in parts by mass: 20 to 50 parts of ethyl dichlorophosphate, 10 to 18 parts of dimethyl fumarate, 5 to 15 parts of ethyl acetate, 0 to 10 parts of acetic acid, 60 to 150 parts of ethyl alcohol, 2 to 5 parts of sodium pyrophosphate, 10 to 20 parts of polyether modified polysiloxane, 1 to 5 parts of nonylphenol polyoxyethylene ether, 2 to 5 parts of 1,3-dihydroxybenzene and 990 to 1000 parts of distilled water; the component B is prepared from the ingredients in parts by mass: 10 to 25 parts of 3,5-dichlorophenol, 5 to 10 parts of benzyl ethylamine acetate, 50 to 120 parts of ethyl alcohol, 5 to 15 parts of sodiummethylsiliconate, 5 to 10 parts of emulsified silicone oil, 1 to 5 parts of sodium dodecyl sulfate, 3 to 10 parts of sodium hypochlorite, 0 to 5 parts of citric acid and 990 to 1000 parts of distilled water. The cleaning agent has the effects of cleaning contamination and protecting insulator materials.

The invention discloses a processing method of a wall-broken bran powder by steam heat treatment. Due to the excessive content of insoluble dietary fibers in bran, the edible quality of bran productsis limited. The processing method uses steam heat treatment, superfine crushing, fermentation and other technologies to treat bran raw materials, the content of the insoluble dietary fibers can be effectively reduced, the taste of bran is improved, the flavor is increased, anti-nutritional factors are reduced, and health care functions are strengthened. The prepared wall-broken bran powder can bedirectly eaten, and can also be applied to steamed breads, breads, biscuits, yogurts, granules, sausages, noodles and other products, as well as preparation of vitamin E, wheat bran proteins and oligosaccharides, and the application of bran in food processing is greatly broadened.

The invention relates to a feed additive for preventing gill-rot disease of lateolabrax japonicus and also relates to a preparation method thereof. The feed additive consists of the following ingredients in parts by mass: 24-34 parts of watermelon juice, 20-26 parts of gleditsia sinensis juice, 20-26 parts of bitter gourd juice, 19-25 parts of dandelion, 19-25 parts of blackend swallowwort root, 19-25 parts of pulsatilla chiensis, 17-24 parts of acrous calamus, 16-24 parts of morning glory, 17-23 parts of astragalus smicus, 15-24 parts of Eucommia ulmoides, 16-23 parts of radix pseudostellariae, 13-23 parts of Rodgersia pinnata, 8-16 parts of Chenopodium ambrosioides, 18-25 parts of dry nereid powder, 15-23 parts of euphausia superba powder, 9-15 parts of dry yeast powder, 11-18 parts of honey, 12-18 parts of fish oil and the like. The feed additive can effectively prevent the gill-rot disease of the lateolabrax japonicus.

The invention relates to a feed additive for preventing lateolabrax japonicus enteritis and also relates to a preparation method of the feed additive for preventing the lateolabrax japonicus enteritis. The feed additive for preventing the lateolabrax japonicus enteritis is prepared from the following components in parts by mass: 27 to 35 parts of pomegranate barks, 22 to 26 parts of fresh hydrocotyle sibthorpioides juice, 21 to 26 parts of hibiscus barks, 21 to 25 parts of rhizome of paleaceous knotweed, 20 to 25 parts of creeping oxalis, 19 to 23 parts of dandelions, 18 to 24 parts of aconitum gymnandrum maxim, 15 to 23 parts of hawthorn fruits, 14 to 20 parts of peruvian groundcherry herb, 14 to 20 parts of common cnidium fruits, 14 to 20 parts of lotus seeds, 13 to 19 parts of roots of Szechwan raspberry, 12 to 18 parts of myositis, 12 to 18 parts of Chinese galls, 10 to 18 parts of lophatherum gracile, 11 to 17 parts of resurrection lily rhizomes, 10 to 16 parts of blackberry lily and the like. The feed additive for preventing the lateolabrax japonicus enteritis, provided by the invention, can be used for effectively preventing the lateolabrax japonicus enteritis from occurring.

The invention belongs to the technical field of food condiments, and discloses chafing dish seasoning with the taste of curry. The chafing dish seasoning is prepared by compounding the following components in parts by weight: 20-30 parts of vegetable oil, 25-40 parts of curry powder, 10-20 parts of table salt, 5-10 parts of white sugar or crystal sugar, 3-8 parts of gourmet powder or chicken essence, and 1-2 parts of curry essence. The invention further discloses a making method of the chafing dish seasoning with the taste of curry. The making method comprises the following steps of uniformly stirring the curry powder, the table salt, the white sugar or crystal sugar, the gourmet powder or chicken essence and the curry essence, putting the vegetable oil into a pot for heating to 40-50 DEG C, then putting the stirred raw material components into the pot, and uniformly stirring the heated vegetable oil and the stirred raw material components so as to obtain the chafing dish seasoning. The chafing dish seasoning with the taste of curry, disclosed by the invention, is rich in the taste of curry, delicious in taste, moderate in mouth feel, and nutrient, healthy and novel in taste; the curry is initiatively used as one of the raw materials, so that the chafing dish seasoning is delicious, and besides, the appetite is stimulated; the making method is simple, the raw materials are easy to obtain, the chafing dish seasoning is suitable for batch production in factories, and good economic benefits can be generated.

The invention discloses a preparation method of a medical film having a sterilizing function. The preparation method comprises the following steps: stirring and uniformly mixing PVC, phenolic resin, PET, stearate, polyvinyl alcohol and paraffin in a stirrer to obtain a mixture I, then transferring the mixture I into a reaction kettle, adding sodium dodecyl benzene sulfonate, melamine, polyacrylamide and hydroxypropyl methyl cellulose into the reaction kettle, heating and stirring under a negative pressure condition, then cooling to the room temperature, adding an antioxidant, an auxiliary antioxidant and barium stearate, uniformly stirring and mixing to obtain a mixture II, extruding and granulating the mixture II in a dual-screw extruder to obtain a master batch; finally extruding and blowing the master batch by adopting a plastic film blowing machine to obtain the medical film having the sterilizing function. The medical film prepared in the method is good in sterilizing performance and physical performance and wide in application prospect.

The invention relates to an air sanitizer. The air sanitizer is composed of a silver ion antibacterial agent, a chelating agent, an antioxidant, eucalyptus oil, natural essential oil and distilled water, wherein the mass percent of all the components is as follows: 0.5%-10% of silver ion antibacterial agent, 0.5%-2% of chelating agent, 1%-5% of antioxidant, 1%-5% of eucalyptus oil, 0.1%-1% of natural essential oil and 77%-96.9% of distilled water. A compound disinfecting system of silver ion antibacterial agent and eucalyptus oil is adopted by the air sanitizer, so that the air sanitizer has anatural sterilizing function, the preservative effect of eucalyptus oil also can increase the guarantee period of the sanitizer and the air sanitizer is especially suitable for household and variouspublic places, such as kindergartens, shopping malls and hospitals. The air sanitizer provided by the invention has a natural fragrant flavor and is capable of effectively sanitizing air and removingpeculiar smells in rooms and cars; during the spraying and sanitizing process, no irritation is generated to a human body; the air sanitizer provided by the invention has stable chemical properties, low cost, convenience in use and suitability for a large group of people.

The invention relates to a water filter with a double sterilization function. The water filter comprises a filter element shell and a replaceable inner core assembly. The filter element shell comprises a shell body. A water inlet is formed in the upper end of the shell body, and a strengthening die block is arranged at the upper portion of the shell body and made of graphene, and the graphene is packed through a dialysis bag to be prevented from leaking. A plurality of water outlet holes are formed in the lower end of the shell body, and the inner core assembly is arranged in the shell body. The inner core assembly comprises a core tube which is through vertically, and the core tube is filled with padding. Upper-layer nano-silver filtering cloth is arranged at the upper end of the core tube, lower-layer nano-silver filtering cloth is arranged at the lower end of the core tube, and the upper-layer nano-silver filtering cloth and the lower-layer nano-silver filtering cloth are used for limiting the padding into the core tube. Nano-silver on the nano-silver filtering cloth can be used for achieving first-level sterilization and achieving lasting sterilization; active carbon and ion exchange resin in the padding are used for achieving the functions of softening water, removing heavy metal and adsorbing pesticides and residual chlorine.

The invention discloses a processing technology for powder of white lotus seeds without plumule. The processing technology comprises the following steps: (1) planting white lotus, harvesting the lotus after maturity; (2) airing the white lotus seeds without plumule to dehydrate the white lotus seeds without plumule for 24-38 hours; (3) cutting up the white lotus seeds without plumule with the length of 1-4 cm; (4) airing the white lotus seeds without plumule to dehydrate the white lotus seeds without plumule for 12-30 hours; (5) drying the material when the inlet temperature controls at 60-75 DEG C and the outlet temperature controls at 92-120 DEG C; and (6) performing crushing and pulverizing by using a spiral gas flow pulverizer. The invention also discloses the spiral gas flow pulverizer. The powder of white lotus seeds without plumule has no additive, is pure natural high-quality food, has good dissolvability, adsorptivity and dispersibility, is easy to assimilate, and can be used as diet food, special food for diabetic patients, food for middle aged and old people, health food, enriched food and special nutritious food. The processing technology is simple and has high efficiency, and the prepared powder of white lotus seed has good quality.

The invention relates to the technical field of aquaculture, and concretely relates to a feeding method for a high-yield selenium-enriched fish. The feeding method comprises the following steps: 1) constructing a pond, performing desilting, drying the pond in the sunlight, and performing fumigation disinfection treatment by using sulfur and formalin; 2) soaking fry in a salt-rice vinegar solutionbefore the fry are put; 3) throwing selenium-enriched feed for feeding, wherein the selenium-enriched feed is mainly prepared by performing fermentation on a plurality of raw materials such as selenium-rich corn flour, malt, selenium-enriched fish meal, cardamine hupingshanensis, astragalus bisulcatus roots, stanleya pinnata, red radix polygonum multiflori, spine date seeds, anemone hupehensis rhizomes, beetroots, Chinese chives, carrots, Chinese waxgourd peel, watermelon peel, cucumbers, bamboo shoots, shiitake and lignin peroxidase; 4) adding a water additive into water, wherein the additiveis mainly prepared from a plurality of raw materials such as tea seed cakes, argy wormwood leaves, sophora alopecuroides seeds, ampelopsis grossedentata, bacillus subtilis, photosynthetic bacteria and ferrous sulfate; and 5) performing fishing. According to the invention, the fishes fed by the feeding method are rich in selenium element and has low fat, the fish is fat but not greasy, the body weight is increased, the prevalence rate is reduced, and the use rate of chemical drugs is reduced.