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35 results about "Germ free condition" patented technology
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Organisms or environments not contaminated by or associated with any viable microorganisms.
Ultraviolet toothbrush sanitizing-box
InactiveUS20110024647A1Safe and efficientExtend your lifeMaterial analysis using wave/particle radiationElectric discharge tubesUltraviolet lightsBacteria
The present invention provides an ultraviolet light toothbrush sanitizing-box for bacteria prevention and toothbrush dehumidification. The ultraviolet light toothbrush sanitizing-box will sterilize the toothbrush with ultraviolet light and dehumidify the toothbrush storage environment, thereby maintaining the toothbrush in a germ-free condition before each use and prolonging the life-span of the toothbrush.
Owner:HSU CHIEN CHIEN
Disposable product package containing crimped specimen bag
ActiveCN106618747AEasy accessSolve the convenienceSurgical furnitureVaccination/ovulation diagnosticsBiomedical engineeringGerm free condition
The invention relates to a disposable product package containing a crimped specimen bag. The disposable product package contains a specimen bag and a sterile packaging system and is sold in a germ-free condition and used by a customer, and the sterile packaging system guarantees that the specimen bag is in the germ-free condition; the specimen bag contains a bag mouth which can be opened and folded, and a closed bag body formed by extending from the bag mouth; the specimen bag also comprises a tunnel surrounding the bag mouth and a stay wire inserted into the tunnel, and the specimen bag contains an unfolded state and a crimp state; in the crimp state, the specimen bag is folded into a long and thin shape or is rolled up into a scroll shape; and the specimen bag also comprises a binding wire ring used for fixing the specimen bag to be in the crimp state and preventing the specimen bag from being automatically changed into the unfolded state from the crimp state.
Owner:5R MED TECH CHENGDU CO LTD
Upper cover of plant cultivation box
InactiveCN103563670AImprove structural strengthReduce manufacturing costReceptacle cultivationPlant tissueGas passing
The invention relates to an upper cover of a plant cultivation box. The upper cover comprises a cover body and a breathable film, the cover body is provided with a gas hole, the breathable film is arranged in the gas hole of the cover body and provided with a filter material and at least one supporting material, and the supporting materials are arranged on one side face of the filter material. The filter material is used for filtering gas passing the gas hole so that external microorganisms, bacteria and the like cannot pass the gas hole, the supporting materials arranged on one side face of the filter material are used for enhancing the structural strength of the filter material, the germ-free condition in a box body can be really maintained when the box body of the plant cultivation box is covered by the upper cover, and growth and development of plant tissues are facilitated.
Owner:GREEN CULTURE BIOTECH
Novel lithotomy position surgery leg bracket
InactiveCN108210235AAvoid damagePrevent crushingOperating tablesAmbulance serviceFibular nervePlexus
The invention relates to a novel lithotomy position surgery leg bracket. The technical scheme of the novel lithotomy position surgery leg bracket is that, according to the position characteristic of lithotomy position surgery, a traditional scheme that popliteal space of a leg is supported is changed, popliteal space supporting is replaced by shank supporting, and all untoward effects caused by the traditional popliteal space supporting are solved. A boot-shaped design completely according with the three-dimensional physiological curve of a shank can reduce the press on the popliteal space anda gastrocnemius muscle, and avoid the damage on popliteal space plexus and fibular nerves. Cantilever type leg supporting is adopted for adjusting positions needed in surgery at will, the surgery position is controlled by an adjusting handle, and the leg bracket can stay in a desired position at will. When the position is adjusted, no medical care personnel is needed for lifting and moving the leg of a patient, and even during the surgery, the medical care personnel can still easily adjust multiple angles in a germ free condition of the leg. The work intensity of the medical care personnel isreduced, the efficiency and safety of the surgery are improved, and the surgical results are improved.
Owner:奥克兰高分子医用材料(天津)有限公司
Domestication method for high temperature-resistant ethanol-tolerant aroma-producing yeast
ActiveCN103205368AEasy to operateImprove fermentation effectFungiMicroorganism based processesBiotechnologyAlcohol ethyl
The invention relates to the field of bioengineering technology and provides a domestication method for a high temperature-resistant ethanol-tolerant aroma-producing yeast. The method comprises the following steps: (1) screening a yeast strain with an excellent aroma-producing property from commercially available aroma-producing yeasts; (2) uniformly mixing an aroma-producing yeast bacterial liquid in a logarithmic phase with an aqueous sodium alginate solution at a room temperature under a germ-free condition, adding a mixed liquor into an aqueous calcium chloride solution to prepare a gel ball particle and immobilizing the gel ball particle at a temperature of 2 to 4 DEG C for 4 to 5 h so as to obtain an immobilized gel particle; and (3) subjecting an obtained immobilized aroma-producing yeast to high temperature-resistant ethanol-tolerant cyclic gradient domestication in an ethanol domestication medium and carrying out cyclic domestication a plurality of times so as to obtain the high temperature-resistant ethanol-tolerant aroma-producing yeast. According to the invention, a cyclic gradient domestication process is employed, so the domestication method is easy and convenient to operate and capable of screening a high temperature-resistant ethanol-tolerant aroma-producing yeast strain, the defect of poor high temperature and ethanol resistance of an aroma-producing yeast used in production of sesame-flavor liquor is overcome, and fermentation capacity is improved.
Owner:浙江省致中和生物健康食品研究院
Surgical isolator
This invention is directed to a surgical isolator and cradle, suitable for the use in a surgical method involving the removal of prematura eggs from birds in order to generate germ-free eggs and birds. In particular, the surgical isolator is used in the generation of birds of specified germ-free status.
Owner:OVAGEN INT LTD
Push-pull type sterile cell brush provided with replaceable brush head for endoscope
ActiveCN105596036AAvoid pollutionPreserve credibilitySurgeryVaccination/ovulation diagnosticsFiberTectorial membrane
The invention discloses a push-pull type sterile cell brush provided with a replaceable brush head for an endoscope. The push-pull type sterile cell brush comprises a drainage tube, the brush head, a push-puller and a traction fiber, wherein the brush head is connected to the head of the drainage tube in a detachable way; a cell brush is arranged in the brush head; an opening is formed in the end, far away from the drainage tube, of the brush head; the traction fiber penetrates into the drainage tube, one end of the traction fiber is connected with the cell brush in a detachable way, and the other end of the traction fiber is connected with the push-puller; the cell brush is externally provided with a protective film; the head of the protective film is connected with the brush head, and the tail of the protective film is connected with the tail of the cell brush. The internal cell brush can be used for brushing bacteria living specimens and / or cell samples of an intestinal mucosal surface layer in a living intestinal cavity wall under the condition of being in conjunction with the drainage tube and the push-puller; furthermore, with the protection of the protective film, bacteria / cell brush pollution caused by the pollution to a channel of endoscopic biopsy forceps can be avoided. After the push-pull type sterile cell brush is used, the sterile cell brush head can be replaced, so that the cell brush can be repeatedly used in a germ-free condition; therefore, the collection credibility of samples of all intestinal tract parts can be maintained to the utmost extent while the cost is lowered.
Owner:JIANGSU PROVINCE HOSPITAL THE FIRST AFFILIATED HOSPITAL WITH NANJING MEDICAL UNIV +1
Method for biological purification of Mongolian gerbil
The invention discloses a method for biological purification of Mongolian gerbils. The method comprises the following steps of: selecting young Mongolian gerbils which are born through cesarean section under a germ-free condition, using ICR lactating mice as foster mother mice of the young Mongolian gerbils to provide breast milk or manually feeding milk to the young Mongolian gerbils, starting to add mouse feed powder containing rabbit milk to the young Mongolian gerbils which are 17-day-old to 20-day-old, keeping the content of the rabbit milk to be 60-70ml per 100g of mouse feed powder, and safely weaning the young Mongolian gerbils from milk after the body weight of each 25-day-old to 30-day-old young Mongolian gerbil is 16g to obtain weaned young Mongolian gerbils; and conducting detection of microorganisms such as mycoplasma and Tyzzer's organisms on mother Mongolian gerbils and the young Mongolian gerbils, putting acceptable weaned young Mongolian gerbils into a barrier system for separate feeding, tracing and detecting the microorganisms such as mycoplasma and Tyzzer's organisms on two generations of Mongolian gerbils, and using acceptable Mongolian gerbils as clean-grade Mongolian gerbils. By using the method, the microorganism grade of the Mongolian gerbils is improved to a clean grade from a conventional grade.
Owner:ZHEJIANG ACAD OF MEDICAL SCI
Method for manufacturing potassiumtetroxalate through fermentation of Aspergillus niger
InactiveCN101532037ARealize the whole processIncrease production capacityMicroorganism based processesFermentationSucroseAspergillus wentii
A method for manufacturing potassiumtetroxalate through fermentation of Aspergillus niger includes the steps of separation and purification of Aspergillus niger as well as the liquid fermentation culture of Aspergillus niger. Specifically, each liter of PDA fluid nutrient medium is added with 5-25g of sucrose and the pH value is adjusted to 4.7-6.4; in germ-free condition, the spore inoculum concentration of Aspergillus niger is 1 percent, the spore consistency is 1*10<4>-10<6>cfu / ml, the culture temperature is 30-40 DEG C, and constant-temperature fermentation culture proceeds for 72-100h; mycelia is filtered, the fermentation liquor is concentrated to one twentieth to one fifteenth of the total volume of culture solution; and finally white powered product of potassiumtetroxalate is obtained after separating out crystals, washing by ultrapure water and drying. By combining the separation and purification of Aspergillus niger with the liquid fermentation culture and using potato and sucrose as basic culture substrates which are safe and free of poison, the method realizes the full-energy environment-friendly production of potassiumtetroxalate during the whole process and reduced the production cost greatly.
Owner:HUNAN AGRICULTURAL UNIV
Grating filter membrane with sterilization indicating function
InactiveCN102151488ADirect identification of sterilization statusWith sterilization color change indicator functionSemi-permeable membranesLavatory sanitoryWater basedGrating
The invention discloses a grating filter membrane with a sterilization color-change indicating function, aiming at solving the problem that whether the filter membrane is sterilized can not be recognized and further the germ-free condition of the filter membrane can not be confirmed when microorganisms in liquid and air are separated by adopting a microporous membrane and being capable of conveniently counting colonies on the filter membrane. A grating line (2) on the filter membrane (1) in the invention is a water-based grating line. In order to realize the purpose of the invention, sterilizing color ink is printed on the surface of the filter membrane by adopting methods of silk-screen and the like, the ink and the filter membrane can have the same color and can have different colors, the grating line is changed from the original color into a sterilized color in color after being subjected to a sterilization mode suitable for indication ink and forms a remarkable color difference with the color of the filter membrane, therefore, the germ-free condition of the filter membrane can be confirmed and the microorganisms are conveniently counted. The invention can ensure the result of detecting the microorganisms, and can be widely applied to the detection of the microorganisms in liquid and air.
Owner:ZHEJIANG TAILIN BIOENG
Preservative-free biological activity application technology
PendingCN114081187AHigh degree of corruptionImprove biological activityFood preservationAcidic food ingredientsBiotechnologyPropolis
The invention relates to the technical field of biological activity application, and discloses a preservative-free biological activity application technology, which comprises a mixed base material, distilled water, EM bacteria, an Rw bacterial agent, plant essential oil and an extract, protamine, tea polyphenol and propolis. The preservative-free biological activity application technology comprises the following specific operation steps: taking corresponding parts of the raw materials for later use; mixing the mixed base material and distilled water, and adding into a mixing tank to obtain a mixed solution; sequentially putting the plant essential oil, the extract, the protamine, the tea polyphenol and the propolis into the mixed solution; and adding EM bacteria and RW bacterial agent into the mixing tank for full reaction to obtain a hgih-activity biological reaction product. According to the preservative-free biological activity application technology, four groups of samples are respectively placed in a storage tank in a sterile state to be sealed and stored, a sampling experiment is carried out, the putrefaction degree of the biological active substances in the four samples is detected, therefore, the optimal proportion is obtained, and a relatively high preservative effect can also be achieved under the condition that the biological activity is maintained.
Owner:广州泊亚生物科技有限公司
Disposable detachable medical scissors
InactiveCN104905849AEasy to sterilizeReduce manufacturing costSurgical scissorsEthylene oxideMolecular materials
The invention provides disposable detachable medical scissors. The disposable detachable medical scissors are characterized in that a scissoring part and a holding part detachably connected with the scissoring part are included; the scissoring part is provided with two installation arms, the holding part is provided with two handles corresponding to the installation arms, and each handle is provided with an installation unit of the corresponding installation arm. According to the disposable detachable medical scissors, the holding part is made of degradable high molecular materials instead of heavy alloy materials, only the scissoring part is made of lightweight alloy materials, and therefore the manufacturing cost is greatly lowered; in addition, after the disposable detachable medical scissors adopt plastic sucking packaging, not only can sterilization be conveniently performed by using ethylene oxide or a gamma ray, but also the germ-free condition can be conveniently kept for a long time, and the scissors can be quickly taken to use on the emergent condition.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Edible fungus drying equipment
InactiveCN1961742ATo achieve the purpose of drying edible fungiSimple structureDrying solid materials with heatFood preservationThermal energyFood sector
The invention relates to an edible mushroom drier which comprises frame, heating circulator, oven, and ventilate fan, wherein the heating circulator is formed by oven head, circulate tube and chimney; the ventilate fan is above the circulate tube, at two sides of circulator to connect the oven via hot gas open and reflux open or opened to connect oven. The invention has the advantages that: it can use the circulator and the ventilate fan to emit the heat from the outer wall of oven head, circulate wall, and part of chimney wall to two side ovens, to take away the heat molecules of fresh edible mushroom, to dry the edible mushroom and save cost. And the dry process is in germ-free condition. The invention can be used to dry variable vegetables.
Owner:苏州市华昌食用菌有限公司
Human liver microsome and cell co-culture system and construction method and application thereof
PendingCN113621557ASuppresses sources of bacterial contaminationDoes not affect growthArtificial cell constructsRespiratory/lung cellsBiotechnologyMicrobiology
The invention relates to a human liver microsome and cell co-culture system and a construction method and application thereof. Sterility of a human liver source is very difficult to ensure, and when human-derived liver microsome is prepared, the sterile liver microsome is hardly obtained. In order to carry out in-vitro metabolism test research on human-derived liver microsome and cell co-culture, the invention provides a co-culture method capable of enabling the germy human liver microsome to be in direct contact with sterile cells, and successfully constructs the human liver microsome and cell co-culture system. Tests prove that the construction method disclosed by the invention can ensure that pollution sources in the human liver microsome cannot influence the sterile environment of the cells, and the sterile state of normal growth of the cells is maintained. Moreover, the method is suitable for in-vitro metabolism research of allogenic substances (such as nicotine and smoke), and lays a foundation for in-vitro metabolism research of the combined action of the human-derived liver microsome and the cells.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC
Six-dimensional sterile meat obtaining method
PendingCN111466580ALead or influence safety and hygiene upgradesReduce cross contaminationAnimal housingMeat/fish preservation by freezing/coolingBiotechnologyDraft animals
The present invention discloses a six-dimensional sterile meat obtaining method. The six-dimensional sterile meat obtaining method comprises the following steps: (1) sterile site selection; (2) sterile breed selection; (3) sterile breeding; (4) sterile slaughter; 5) sterile cooking; and (6) sterile eating. The provided six-dimensional sterile meat obtaining method controls the whole process of thesite selection of breeding farms, sanitation in the breeding farms, breed selection and breeding of livestock, feeding, slaughter and decomposition, cooking and eating, etc. to control possibility ofcross-contamination pathogens and bacteria carried by meat and a sterile state, achieves a purpose of safe and secure raw meat eating, improves quality and grade of food, and benefits body health ofpeople.
Owner:李世洪
Spraying type edible fungus culture medium sterilizing box
InactiveCN110934040ASolve the problem of mutual pollution and qualitative changeAvoid pollutionCultivating equipmentsMushroom cultivationBiotechnologyEngineering
The invention discloses a spraying type edible fungus culture medium sterilizing box. The structure of the sterilizing box includes an outer box, a regulating board, an inner box, a box door, a handleand an observing window; the external of the outer box is provided with the regulating board, the inner side of the outer box is connected to the inner box; and the box door is arranged at the connecting part of the outer box and the inner box. The beneficial effects of the sterilizing box are as follows: interlayer space formed by liquid absorbing splints can be used for accommodating a sterilizing liquid released by a rotary spraying mechanism in the structure and absorbing the sterilizing liquid when the sterilizing liquid hangs on the surfaces of the liquid absorbing splints; and the brought centrifugal force can throw the sterilizing liquid out at a high speed and spraying the sterilizing liquid in the inner box to perform full coverage sterilization, so that equipment can be guaranteed to be at an aseptic state before being used, and a culture medium can be avoided from being polluted by miscellaneous bacteria.
Owner:常荣杰
Microbiological detection equipment based on biopharmacy
InactiveCN114181810AAvoid Contaminated SituationsFully sterilizedBioreactor/fermenter combinationsBiological substance pretreatmentsBiotechnologyMicroorganism
The invention discloses biological pharmacy-based microbiological detection equipment, the biological pharmacy-based microbiological detection equipment comprises a body and an extraction pipe arranged outside the body, and a disinfection sampling mechanism is arranged outside the body; the extraction pipe is slowly put down through a transmission wheel, so that alcohol sprayed out of a spray head can fully sterilize and disinfect the outer surface of the extraction pipe, meanwhile, the surface of the extraction pipe can be wiped through an alcohol cotton block, so that the cleaned and disinfected surface of the extraction pipe is cleaner, and through the design of a scraping plate, the scraping plate is convenient to clean. Alcohol residues left on the surface of the cleaned extraction pipe can be completely scraped, so that the surface of the extraction pipe entering the biopharmaceutical microorganism culture tank can be ensured to be in a sterile state; the situation that the extraction pipe is directly and manually inserted into the culture tank for sample extraction, so that strain microorganisms attached to the surface of the extraction pipe can be brought into the culture tank, and microbial liquid medicine for biological pharmacy in the culture tank is polluted is avoided.
Owner:郭庆芳
Improved methods of producing avian eggs and birds of specified germ-free status
The invention provides an improved method of rearing a bird of specified germ- free status. Specifically, the present invention is directed to a method for increasing the hatchability and viability of surgicaliy derived eggs of germ-free status when obtained from a parent bird. The method comprises housing a bird as a parent bird, determining the position of a premature egg in the reproductive tract and stage of development of the premature egg in terms of shell formation and calcification, surgically removing an egg in its shell from the parent bird prior to transfer of the egg to the cloaca in the parent bird, incubating the egg and hatching the egg to produce a laying bird. The invention also relates to the production of avian eggs of specified germ-free status and uses thereof.
Owner:OVEJDZHEN INTERNESHNL
New energy garbage can with disinfection function
PendingCN113184410AReduce breedingTo achieve the purpose of dry and wet separationRefuse receptaclesRefuse cleaningDisinfectantEnvironmental hygiene
The invention provides a new energy garbage can with a disinfection function, and relates to the technical field of environment-friendly garbage cans, and the problems that the interior of a conventional garbage can is of a closed barrel-shaped structure, bred bacteria overflow and possibly damage the body health of people when the condition is serious, a high-cleanliness disinfection garbage can needs electronic induction, manufacturing cost of the garbage can is relatively high, and the garbage can is a high-frequency vulnerable object, so that energy waste is very liable to be caused can be solved. The new energy garbage can comprises a garbage can body. A supporting frame is vertically, upwards, longitudinally and fixedly installed in the middle of the upper end of the garbage can body. A herringbone shielding plate is fixedly installed at the upper end of the supporting frame. A disinfectant box is vertically installed in the position, in the middle of the supporting frame, of the garbage can body, and the lower end of the disinfectant box is arranged in an inner cavity of the garbage can body. The inner end of a liquid discharge pipe is located at the concave position of a flow guide bottom plate, so that the liquid discharge pipe performs liquid discharging finally in an independent state, the dry and sterile state of garbage is guaranteed, and the environmental sanitation is improved.
Owner:张玮
Sleeve for a handheld oximetry probe
A sleeve includes a body having a top opening. The body covers a handheld oximeter probe or a portion of the probe. The sleeve has a shape that approximately matches the oximeter probe or portion of the probe, which is covered by the sleeve. The sleeve has a top opening that allows a user to slide the oximeter probe into the sleeve. The sleeve is transparent to radiation emitted and collected by the oximeter probe. The sleeve is formed of a material that prevents patient tissue, fluid, viruses, bacteria, and fungus from contacting the covered portions of the oximeter probe. The sleeve leaves the probe relatively sterile after use so that little or no clearing of the probe is required for a subsequent use, such as when the probe is covered with a new, unused sleeve.
Owner:VIOPTIX
Edible fungus culture medium using tea branches and tea stems as raw materials and preparation method of edible fungus culture medium
InactiveCN110024620AImprove disease resistanceGuaranteed growth environmentCultivating equipmentsMushroom cultivationFiberBiotechnology
The invention relates to the field of edible fungus culture, in particular to an edible fungus culture medium using tea branches and tea stems as raw materials and a preparation method of the edible fungus culture medium. According to the invention, the tea branches, the tea stems, tea leaf dust and tea leaves are used as main raw materials of the culture medium, tea resources are not utilized toprovide necessary growth elements of edible fungi, tea resources are not utilized to provide crude protein, crude fibers and tea polyphenol, and meanwhile, the culture cost of farmers is reduced; according to the invention, a large amount of fertilizers, nutritional ingredients, mineral substances and microorganisms required for growth of the edible fungi are provided through combination of earthworm manure, silkworm chrysalis powder, plant ash and chicken manure; according to the invention, by designing the Chinese herbal medicines, the effective components of the Chinese herbal medicines improve the disease resistance of the edible fungi and help the edible fungi resist nematode, mite and slug infection; and according to the invention, bacteria and fungi are killed through two modes of quick-freezing cooling and high-temperature sterilization, so that the edible fungus culture medium is ensured to be in a sterile state, and the growth environment of the edible fungi is ensured.
Owner:悦田坊生态农业(婺源县)有限公司
A push-pull sterile cell brush for endoscope with replaceable brush head
ActiveCN105596036BAvoid pollutionPreserve credibilitySurgeryVaccination/ovulation diagnosticsFiberTectorial membrane
Owner:JIANGSU PROVINCE HOSPITAL THE FIRST AFFILIATED HOSPITAL WITH NANJING MEDICAL UNIV +1
Bacteria-free active culture liquid preparing process and apparatus
InactiveCN1506453AFull effectReduce odorMicroorganismsMultistage water/sewage treatmentMetaboliteOrganic farming
The present invention is the amplification reaction of microbe and its metabolite with magnetically processed water containing mineral nutrients. In the same time, the long time aeration treatment makes the un-decomposed organic matter in completely bacteria-free state to maintain stable quality for long term without being affected by the environment and temperature change. The present invention may be used widely in agriculture, water treatment, stockbreeding and green plantation, etc.
Owner:李奉道 +1
Preparation method of L-lysine sulfate and by-products thereof
PendingCN110872606AReduce consumptionLow costOrganic compound preparationOrganic chemistry methodsBiotechnologyCulture mediums
The invention discloses a preparation method of L-lysine sulfate and by-products thereof, and belongs to the technical field of lysine production processes. The preparation method comprises the following steps: adjusting the pH value of a fermentation medium to 7.0-7.1 by using 20% NaOH, then continuously heating the medium by using steam to cause microbial death, inoculating lysine producing bacteria in a sterile state, carrying out fermentation at a temperature of 35-40 DEG C, a pH value of 6.8-7.0 and a DO value of 20-30% for 48-60 hours, after the fermentation is finished, putting the mixture of lysine and the substrate into an isoelectric extraction workshop, adjusting the pH value of the fermentation liquid to 5-6 by using sulfuric acid, filtering the treated fermentation liquid by using ceramic membrane equipment, performing triple-effect concentration on the filtered clear liquid, and performing granulation and drying by using a guniting granulation bed to obtain a finished product. According to the preparation method, the environmental protection problem is solved, the production processes are reduced, the process route is simple, the consumption of raw materials and auxiliary materials is low, the cost is low, and the produced lysine content is high.
Owner:黑龙江成福食品集团有限公司
Ecological tissue culture container for factorial culture
InactiveCN1133365CReduce areaProliferation simplificationHorticulture methodsPlant tissue cultureCulture mediumsEcology
The present invention relates to a "ecological tissue culture container" suitable for factorial culture, and is characterized by that it possesses a circle of retarding structure and several culture medium separation chambers, and a layer of dried, hydrophobic and sterilized fine-sandy powder is spread on the explant and medium, said retarding structure protects the germ-free condition of the container instead of sealing mode so as to prevent microbe from invading into the container. The tissue cultured seeling can pass through the powder layer, grow up and extend from said container to weather normal ecological condition.
Owner:刘思九 +1
Method for keeping rotary sealing cover head of PET product sterile
ActiveCN113336172AEfficient killingGuaranteed sterilityBottle-handling machinesMicroorganismDisinfectant
The invention relates to the technical field of sealing cover cleaning, and discloses a method for keeping a rotary sealing cover head of a PET product sterile. For solving the problem that the sanitation dead angle of the inner wall of a sealing cover head cannot be thoroughly eliminated in the prior art, a nozzle for washing and disinfecting the sealing cover head is additionally arranged around the sealing cover head on a production line, disinfectant is sprayed out of the nozzle, microorganisms hidden in the sealing cover head are killed, and the inner wall of the sealing cover head is kept sterile in the whole process. The method has the beneficial effects that on the basis of cleaning and disinfection of a conventional filling machine, the nozzle for washing and disinfecting the sealing cover head is additionally arranged, the microorganisms hidden in the sealing cover head can be effectively killed in the production process, and the inner wall of the sealing cover head can be kept in a sterile state in the whole process; according to the method, the needed transformation spare part price and the operation cost are both low, and the part transformation cost does not exceed 400 yuan; and the method can ensure that the disinfectant residue in the product meets a standard requirement.
Owner:HANGZHOU WAHAHA TECH +1
A separate intelligent refrigeration and fresh-keeping machine and its refrigeration and fresh-keeping method
InactiveCN104634042BAvoid complex processMany dead endsLighting and heating apparatusDomestic refrigeratorsEngineeringRefrigeration
Disclosed are a separation type intelligent refrigeration freshness retaining machine and a refrigeration freshness retaining method thereof. The separation type intelligent refrigeration freshness retaining machine comprises a cylindrical container used for containing protoplasmic beer, wherein the cylindrical container comprises an inner shell and an outer shell wound on the outer portion of the inner shell in a sleeving mode, a gap is kept between the inner wall of the outer shell and the inner shell, a first through hole and a second through hole are formed in the wall of the outer shell, the protoplasmic beer is stored in the inner shell, an interlayer for refrigeration is wound on the outer wall of the inner shell, the interlayer for refrigeration is communicated with one end of a first metal pipe and one end of a second metal pipe, and one end of the first metal pipe and one end of the second metal pipe are in the gap. According to the device, the defects that in the prior art, when a container which is formed integrally and contains the protoplasmic beer is inconveniently cleaned and maintained, in addition, the cleaning effect is poor, and the germ free condition cannot be ensured. In addition, the machine is combined with the refrigeration freshness retaining method of the machine, the temperature and pressure can be stably and efficiently controlled.
Owner:朱仁息
Probiotic powder preparation technology
The invention belongs to the technical field of probiotic powder processing, particularly relates to a probiotic powder preparation process, and aims to perform low-temperature pretreatment on probiotic powder. The process comprises the following steps: step 1, taking out a probiotic strain from a liquid nitrogen box, and transferring an isolate into a fermentation tank for fermentation treatment in a sterile state; 2, sampling detection is conducted every 30-35 min, and a culture solution is added; step 3, concentrating the probiotic strain by 20-30 times by using a ceramic membrane filtration technology, and observing the concentration amount of the bacterial liquid at the bottom of the container; step 4, reducing the moisture content in the sub-packaged concentrated probiotic strains through a freeze-drying pre-treatment device, and finally freeze-drying the concentrated probiotic strains into granules through vacuum drying equipment; step 5; grinding the granular probiotic material into powder, sieving with a 300-mesh sieve, and packaging at low temperature; the freeze-drying pretreatment device comprises a supporting frame, and a freeze-drying treatment tank and a plurality of rotating rollers are rotationally connected to the supporting frame and used for supporting the bottom of the freeze-drying treatment tank.
Owner:罗东升
Preparation method of low-temperature yoghurt with long shelf life
PendingCN114304268AThe number of lactic acid bacteria is stableIncrease acidityMilk preparationFood preservationBiotechnologyFood additive
The invention discloses a preparation method of low-temperature yoghurt with long shelf life, the raw materials of the low-temperature yoghurt with long shelf life comprise at least one raw material of raw milk, white granulated sugar, protein powder, condensed milk and single cream, the added raw materials are not limited to more than several raw materials, and food raw materials and food additives can be added in dairy products. Raw materials are mixed, homogenized and sterilized, screened fermentation strains are added, demulsification and cylinder turning are conducted after fermentation, sterilization is conducted through a sterile filling machine and a sterile cup, filling is conducted in a sterile state, the viable bacterium type low-temperature yoghourt is obtained, the quality guarantee period is 28-45 days, the number of lactic acid bacteria in the quality guarantee period is stable, acidity is stable, the taste is fine and smooth, and stability is good; in the shelf life, the number of lactic acid bacteria is stable (greater than 1 * 10 < 8 > cfu / mL), the acidity is stable (the acidity rise is lower than 10 DEG T), and the pH is stable.
Owner:SHENZHEN CHENGUANG DAIRY IND CO LTD
Pipettor suction nozzle box
PendingCN112169856AReliable sterilityPrevent automatic pop-upBurette/pipette supportsMicroorganismThermodynamics
The invention relates to the field of microorganism experiment instruments, in particular to a pipettor suction nozzle box. The box comprises a box body and a box cover, a bearing part is arranged inthe box body, a plurality of insertion holes are formed in the bearing part, insertion hole covers are arranged at the opening positions of the insertion holes, pipe bodies for containing suction nozzles are arranged in the insertion holes, film holes are formed in the insertion hole covers, and the positions of the film holes are covered with air purification films. According to the product, theinsertion hole covers are arranged at the openings of the pipe bodies by adopting a double-layer locking system, so that the insertion hole covers are effectively prevented from being automatically bounced off during high-pressure steam sterilization, and the cover sealing effect is very reliable. each suction nozzle is provided with an insertion hole cover, and each insertion hole cover is provided with a breathable film, so that the effect of high-pressure steam sterilization is guaranteed, air permeability and moisture permeability are achieved, it can be guaranteed that the suction nozzlesto be used are in a reliable sterile state during operation, and test errors caused by pollution and wetting due to the situation are avoided; and the insertion hole covers can be used repeatedly, sothat the manufacturing cost is reduced.
Owner:GUANGXI AGRI VOCATIONAL COLLEGE
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