58results about How to "Reduce the amount of bacteria" patented technology

Disclosed is a plant antibiotics, prepared by adding each of plant fruits, seeds, kerns, peels, and shells or a mixture thereof at any weight ratio into a retort, heating to 115-150 DEG C, holding the temperature for 1-2 hours; then elevating the temperature to 200-250 DEG C, holding the temperature for 2-3 hours, then elevating the temperature to 350-450 DEG C, holding the temperature for 1-2 hours; collecting the dry distillation liquid of each period, mixing them, standing for 24-72 hours, waiting for stratification, isolating the transparent layer in the middle by siphon, which is the plant antibiotics disclosed. In the said plant antibiotics, the concentration of phenols is no lower than 0.5mg / ml, counted according to the amount of phenol; the concentration of formic acids is no lower than 1.5mg / ml, counted according to the amount of phenylformic acid; the pH value is 2-3.5 measured with an acidimeter. Disclosed plant antibiotics has application value in fields of medical sterilization, public health prevention and treatment, domestic bird diseases prevention, and foodstuff preservation and seasoning.

The invention discloses a combined sterilization method for freeze-dried food quality preservation by ozone, ultraviolet rays and nano-silver coating film, which belongs to the technical field of dry food safety control. The main process of the joint sterilization is: for freeze-dried food, use nano-silver for pretreatment of raw materials and ozone sterilization of finished products or a combination of ozone and other technologies to control the microbial content within 1000 / g, coliform bacteria group (or Escherichia coli) up to standard (negative). The present invention adopts the method of combining ozone, ultraviolet rays and nano-silver, and also includes a new process for subsequent removal of residual ozone, which not only increases the effect of ozone sterilization, but also makes the product after sterilization can control the microbial content within a safe range, and at the same time It does not damage the quality, characteristics, taste and nutritional content of freeze-dried food.

The invention discloses an urea enzyme epitope fuse peptiolipid plastid vaccine to against pylorus bolt bacteria infection, which is characterized by the following: choosing fuse peptide of pylorus bolt bacteria urea enzyme B subunit and stick film adjuvant cholera morbus toxin B subunit as immunogen; coating the immunogen with liposome; producing the liposome vaccine. This liposome vaccine can evoke organism to generate special immune response and inhibit planting of pylorus bolt bacteria in stomach.

The invention belongs to the technical field of seed processing and seed pelleting, and particularly relates to a method for processing ultra-sweet corn seeds. The method mainly comprises the following steps of: 1) the pelleting of the ultra-sweet corn seeds; 2) the priming of the ultra-sweet corn seeds; and 3) the drying of the ultra-sweet corn seeds. Compared with unprocessed seeds, the ultra-sweet corn seeds processed by the method germinate 1 day in advance, the rate of germination is improved by 10 percent, and compared with the control group, the sprouting percentage is improved by 10 percent after the seeds are dried and stored at room temperature for one year.

The invention relates to a method of treatment and control of potato late blight of seed potato and pertains to the pesticide application field. The steps of the invention are: (1) seed potato treatment: weighing the seed potato of 50 to 300 kg / Mu to be sliced and piled in a drying place and evened off with thickness of 10 to 15 cm one to three days before potato planting; (2) taking 58 percent of Fubol wettable powder of 1 to 6g / Mu to be dissolved in clean water of 0.5 to 2.5kg ; (3) an atomizer is used for evenly spraying liquor on potato slices and stops spraying when the slices are all wet; the slices are dried naturally without being stirred; (4) the potato slices can be used for planting after 2 to 10 days. The invention overcomes the defects of the prior art of the seed potato treatment, which is particularly aims at the characters that tuber of the seed potato is large, slicing is done before planting, other germina are carried with, phytophthora infestans is serious and the seed potato treatment is difficult, proposes a treatment method with simple and easy application, low cost and high effectiveness and without diffusion of bacterial diseases when in control of the potato late blight.

The invention provides a combined dust collector and relates to the technical field of living dust removal tools. The combined dust collector comprises a handheld dust collection device and a base plate that is detachably and fixedly connected with the handheld dust collection device, wherein the lower end of the base plate is provided with a first dust collection opening and an air duct communicated with the first dust collection opening; the handheld dust collection device is internally provided with a fan and a fan motor for driving the fan to rotate; the bottom end of the handheld dust collection device is provided with a second dust collection opening, and the side end of the handheld dust collection device is provided with an air outlet; the first dust collection opening, the air duct, the second dust collection opening and the air outlet are communicated with each other in sequence. The combined dust collector provided by the invention is used for removing dust.

The invention relates to a high-ridge concave-groove secondary earthing sunshading drought-resistant high-yield cultivation method for potatoes, and belongs to the technical field of crop cultivation. The method comprises the specific steps of 1, land selection and preparation; 2, potato seed treatment; 3, ridging and ditching; 4, sowing; 5, earthing and watering; 6, sunshade net erecting; 7, sunshade net removal; 8, field management and disease control; 9, timely harvesting. By the adoption of the high-ridge concave-ditch secondary earthing cultivation technology, compared with traditional flat sowing ridging cultivation, seedling emerging is achieved 20-25 times earlier, and seedlings are orderly; after seedling emerging, potato plants grow fast. Compared with traditional flat sowing ridging cultivation, by means of the method, the single-plant potato fruiting number and single-plant fresh potato weight of Li potato 6 can be remarkably increased, the single-plant potato fruiting number is increased by 92.16%, the single-plant fresh potato weight is increased by 135.09%, the yield is increased by 134.31%, yield increase is extremely remarkable, the commercial potato rate is increased by 5.93%, the green potato rate is reduced, and economic benefits are obvious. Evaporation of rainfall can be prolonged, a soil layer is kept wet, growth of the potatoes at the seedling state is benefited, the sunshade period is reasonably mastered, and induced diseases are reduced.

The invention discloses a toothpaste composition with an antibacterial function. The toothpaste composition comprises a grinding agent, a humectant, an adhesive, a diester type surfactant, compound enzymes, a sweetener, perfume, and deionized water. Biological enzymes decompose the extracellular polymers excreted by floras of dental plaque, cell walls and cell membranes, and at the same time generates hydrogen peroxide and hydroperoxide during the decomposition process; hydrogen peroxide and hydroperoxide can oxidize and neutralize high level mercapto groups in the biological membranes of dental plaque, oxidize and kill cells of bacteria at the same time, and reduce the resistance of bacterium cells to exogenous biological enzymes; at the same time, the diester type surfactant has a strong cleaning and stain-removing ability, and is capable of strongly removing biological membranes of dental plague and bacterium residues; after the using of the toothpaste, the average colony-forming units are reduced by 79.1 to 83.2%, and the number of bacteria is obviously reduced.

The invention discloses fine dried noodles made of pure buckwheat flour and convenient to eat. The fine dried noodles are prepared by the following processes: milling 100 parts of buckwheat flour, a proper amount of water and a proper amount of water; kneading dough; curing: extruding and curing thick strips under the conditions of controlling the temperature of the front part of a jacket to be 70-80 DEG C, the temperature of the middle part to be 120-130 DEG C, and the temperature of the rear part to be 140-150 DEG C, controlling the rotating speed of a screw to be 62-72r / min, and controlling the working pressure at 3-4Kg / Cm<2>; discharging strips: extruding into thin strips under the conditions of controlling the temperature of the jacket to be 120-150 DEG C, controlling the rotating sped of the screw to be 62-72r / min, and controlling the working pressure at 5-6Kg / Cm<2>; drying and cutting off the thin strips; and packaging to form the fine dried noodles. A preparation process of extruding once to quickly cure and continuously extruding and molding twice is adopted, any additive and other grain flour do not need to be added in the production process, the inherent flavor and nutrient of the buckwheat are kept by the product, and the decocting-free instant food is good in curing, high in tenacity, non-breaking, not pasted after being repeatedly cooked, smooth and delicate in mouthfeel, and tenacious and fragrant.

The invention discloses a sterilizing composition containing phenamacril. The active components of the sterilizing composition are phenamacril, hymexazol and metalaxyl-M. The sterilizing composition has the advantages that the sterilizing composition is prepared by combing the phenamacril, the hymexazol and the metalaxyl-M, the sterilizing composition is applicable to banana root irrigation treatment and paddy rice seed treatment and capable of effectively preventing and treating banana wilt and paddy rice bakanae disease and damping off, and the use effect of the sterilizing composition is increased; the acting mechanisms of the effective components of the sterilizing composition are different, so that the pesticide tolerance generation of germs can be delayed; by the root irrigation treatment or seed treatment, the number of pathogenic bacteria in soil or seeds can be reduced, and the risks of diseases are lowered; the pathogenic bacterium invasion resistance of bananas and paddy rice are increased, and a large number of pesticides used in conventional prevention and treatment are reduced; the sterilizing composition is efficient, low in toxicity, lasting in effect and quick in action.

The invention discloses a water-free cleaning device for an air conditioner indoor unit. The water-free cleaning device comprises a steam generator, a steam output pipe, a high pressure steam spraying gun and a steam guide hose pipe, wherein the steam output pipe is connected with a steam outlet of the steam generator, the high pressure steam spraying gun is connected with the steam conveying pipe, and the steam guide hose pipe is detachably connected with the high pressure steam spraying gun. The water-free cleaning device has the advantages that the air conditioner indoor unit is cleaned by high pressure steam generated by the steam generator, and the hose pipe can directly spray steam to the evaporator of the air conditioner indoor unit from the steam outlet, and can also extend into the back surface or the two ends, which cannot be reached by the existing cleaning equipment, of the evaporator, so as to spray the steam to the evaporator; the flow rate of steam sprayed by the high pressure steam spray gun is high, the air conditioner indoor unit is cleaned in an all-bearing way, and the cleaning is thorough; the high-temperature steam has sterilization function, so the cleaned air conditioner indoor unit is clean and bright, and the amount of bacteria is greatly reduced; as the liquid water is not used in the cleaning process, the pollution to indoor environments caused by the cleaning is avoided, the cleaning is more convenient, the detachment of an air conditioner is not needed, and the operation is simpler.

The invention discloses a composite automotive upholstery material capable of releasing negative ions. The composite automotive upholstery material is prepared from, by weight, 100-103 parts of polylactic acid, 3.5-4 parts of nanometer antimonous oxide, 10-11 parts of decabromodiphenyl Ethane, 25-27 parts of SEBS, 60-62 parts of hibiscus cannabinus fibers, 15-17 parts of tourmaline flour, 4.5-5.5 parts of medical stone powder, 2-3 parts of sodium polyacrylate, 0.6-0.7 part of 3-aminopropyltriethoxysilane, 2-2.5 parts of white oil, 5-6 parts of seaweed gel, 3-4 parts of polytetramethylene glycol and a proper amount of water. According to the composite automotive upholstery material, the technology that mixed fibers are steeped with modified tourmaline paste is adopted, so that an automotive upholstery made of the mixed material can generate high-concentration negative ions under the friction action of flowing air and external force, harmful gas in a carriage can be effectively decomposed, peculiar smells and smoke smells in air are eliminated, bacteria can be inhibited and killed, the amount of the bacteria in the upholstery is reduced, and the air quality in the carriage is effectively improved.

The present invention discloses a medical device disinfection box, which comprises a box body and a box cover, wherein the middle portion of the box body is provided with a pushing-pulling door, the pushing-pulling door is connected with the box body inner wall through a spring, the box body is divided into two cavities through the pushing-pulling door, a device bracket is arranged in the lower cavity, a power supply is arranged above the bracket, motors are fixedly arranged on both sides of the bracket, gears are fixed on one ends of the motors, both side walls of the box body are provided with gear grooves, the gear moves up and down along the gear groove, the inner wall of the upper cavity is provided with a liquid spraying hole, the liquid spraying hole is communicated with a water storage box through a liquid suction pump, and the box cover is provided with a controller and a drying device. According to the present invention, the double disinfection is adopted so as to substantially reduce the amount of bacteria on the medical device, the space of the disinfection box is completely utilized, time and labor are saved, the disinfection time is short, a lot of convenience is provided for medical personnel, and the work efficiency of medical personnel and the inspection accuracy are improved.

The invention discloses compound coarse grain fine dried noodles convenient to eat. The compound coarse grain fine dried noodles are prepared by the following steps: performing flour blending on corn flour, buckwheat flour and yam flour according to a weight part ratio of 50: 40: 10, adding a proper amount of salt and water, and performing flour milling; performing flour blending; kneading dough; curing, namely under the condition that the temperature of a jacket is controlled to be 70-80 DEG C at the front part, 120-130 DEG C in the middle and 140-150 DEG C at the rear part, the screw speed is controlled to be 62-72r / min and the working pressure is controlled to be 3-4kg / cm<2>, extruding and curing coarse noodles; discharging, namely under the condition that the temperature of the jacket is controlled to be 120-150 DEG C, the screw speed is controlled to be 62-72r / min and the working pressure is controlled to be 5-6kg / cm<2>, extruding to form thin noodles; drying; cutting off; packaging. According to the compound coarse grain fine dried noodles, a preparation process of extruding and quickly curing once and continuously extruding for forming twice is adopted, additives and other grain powder do not need to be added in a production process, and the compound coarse grain fine dried noodles keep the inherent taste and nutrition of corns, buckwheat and yams; the compound coarse grain fine dried noodles refer to boiling-free instant foods and are good in curing property, high in toughness, continuous, non-pasted after being repeatedly boiled, fine and smooth in mouth feel, chewy and fragrant.

The invention discloses a novel processing method of fresh wet noodles. The novel processing method comprises the following steps of sterilizing flour before use, and purifying production water; carrying out dough kneading work in a vacuum state on the fresh wet noodle processing raw materials in a vacuum horizontal double-shaft dough kneading machine; forming a dough band with the thickness of 20mm through preliminary calendering of dough, putting the dough band into a closed maturation machine for maturation, and repeatedly calendering the maturated dough band to form a dough band with the thickness of 20mm again; cutting the thinned dough band into strips by using a dough cutter machine, and segmenting the cut noodles at equal intervals; and washing the boiled noodles with cold water, and packaging the cooled noodles. According to the novel processing method of the fresh wet noodles, sterile water is used, the bacterium carrying amount of fresh wet noodle products can also be reduced, meanwhile, cooling work at different temperatures is conducted after boiling, the cooling work can be completed rapidly under the condition that it is guaranteed that the fresh wet noodles are morechewy, and the processing efficiency of the fresh wet noodles is improved.

The invention discloses a method for decontaminating dehydrated garlic products. The method for manufacturing the dehydrated garlic products includes steps of soaking and disinfecting selected garlicin acidic electrolytic water with the pH (potential of hydrogen) value of 2-4 for 5-15 min and then cleaning the garlic by the aid of pure water; placing the garlic in ozone water, carrying out cooling treatment on the garlic for 5-10 minutes and splitting the garlic; secondarily treating split raw materials by the aid of ozone water for 20-40 minutes; draining raw materials treated by the aid ofthe ozone water, then carrying out stepped temperature control drying on the raw materials, in other words, drying the raw materials at the temperatures of 110-120 DEG C for 1-2 hours, gradually reducing the temperatures until the temperatures reach 60-80 DEG C, and continuing to dry the raw materials until the moisture contents of the raw materials are reduced and reach 5-8%. The method has the advantages that the quantity of germs carried by the garlic can be reduced by 60%-67%, late sterilization can be omitted, the sterilization intensity of the method is far lower than the sterilization intensity of conventional processing technologies, dehydrated garlic which is subjected to contamination treatment by the aid of the method is little in color and nutritional component change, but thetotal colony count of the dehydrated garlic can be obviously reduced and reaches high standards, and the problem of dull sale due to the fact that the total colony count of existing garlic products exceeds standards can be effectively solved by the aid of the method.

The invention discloses a high-reliability sealed anti-theft can container which comprises a box body and a box cover. Anti-theft retaining rings are arranged between the box body and the box cover. The box cover and the anti-theft retaining rings are buckled together. The box body is fixed to the anti-theft retaining rings. The anti-theft retaining rings are provided with outward-turned edges used for opening the box cover. The outer surface of the box body is further provided with an anti-bacterium coating. The high-reliability sealed anti-theft can container is better in anti-theft effect, high in anti-bacterium property, high in practicability and easy to apply and popularize.

The invention provides a novel white copper, which is composed of the following chemical components in percentage by weight: 60 to 63% of Cu, 8 to 13% of Ni, 0 to 1.5% of Pb, and the balance being zinc and inevitable impurities, wherein the sum of the component content is 100%. The novel white copper can meet the requirements in the locker making industry, medical instrument production industry, food package industry, water source package industry, hotel hardware industry, and high-end automobile manufacturing industry.

The invention belongs to the technical field of beds special for patient nursing, and discloses a rehabilitation bed for burn. The rehabilitation bed comprises a bed frame and a bed board arranged onthe bed frame, a protective cover is further arranged on the bed board, the protective cover comprises two frame bodies located on the two sides of the bed board and protective films erected on the frame bodies, each frame body comprises a fixed rod and a plurality of sliding rods transversely connected to the bed board in the length direction of the bed board in a sliding mode, and a foldable connecting piece is arranged between every two adjacent sliding rods; a connecting rod is fixed between the sliding rods, far from the fixed rod, of the two frame bodies; and a gas replacement system isalso arranged on the bed board. The invention solves the problems that at present, due to the fact that a sterile ward is short, a burnt patient can only recover in a common ward, the affected part can make contact with dust and bacteria in air, and infection is likely to be caused.

The invention relates to an incense ash mixed material. The incense ash mixed material is prepared from, by weight, 40-55% of incense ash, 10-15% of bamboo charcoal granules and 30-45% of adhesive composition, wherein the particle size of the bamboo charcoal particles is 80-200 mesh. A preparation method of the incense ash mixed material comprises the following steps that the incense ash is washedwith water, dried and mixed with the bamboo charcoal granules, then the adhesive composition is added and evenly stirred, the mixture is dried in the shade, and the incense ash mixed material is obtained. A preparation method of the adhesive composition includes the following steps that a, polyamide resin is dissolved in butanol, and then the mixture is heated to 50-60 DEG C to obtain a solutionA; b, xanthan gum and titanium dioxide powder are added into a zinc sulfate solution in sequence, and the pH value is adjusted to be 8.5-9.2 to obtain a solution B; c, bentonite, paraffin and cement are mixed, water is added for uniform mixing, then the solution A and the solution B continue to be added and stirred for 1-1.5 h, and the adhesive composition is obtained. The incense ash mixed material is relatively stable in physical and chemical property and relatively high in antioxidant capacity, the number of bacteria carried by the incense ash is small, and the incense ash mixed material isclean and sanitary and is suitable for making various Buddha-related products to promote and develop broad and profound Buddhist culture.

The invention discloses a sustainable flushing and drainage pedicle screw for treating the spinal tuberculosis and a screw bar system composed of the pedicle screw. The pedicle screw comprises a screw body, a screw tail and a body-tail expansion part, wherein the screw body, the screw tail and the body-tail expansion part are integrated and hollow, and the body-tail expansion part is arranged between the screw body and the screw tail. The tail end of the screw tail is communicated with a flushing / drainage tube, a plurality of micropores and a plurality of main holes used for flushing / drainage are formed in the screw body, a prism is arranged on the outer side face of the body-tail expansion part and used for assembling or disassembling the screw, and the tail face is used for bearing a screw bar connecting piece. The screw bar system comprises the pedicle screw, the screw bar connecting structure and a connecting bar, wherein the screw bar connecting structure is positioned between the screw tail and the connecting bar and supported on the big tail face of the body-tail expansion part, and the connecting bar is fixedly connected to the screw tail through the screw bar connecting structure. The sustainable flushing and drainage pedicle screw and the screw bar system play a role in spine fixing, abscess drainage, flushing, nidus dosing and diseased area dosing, improve adaptability to a spinal tuberculosis operation and achieve a better treatment effect; multi-point flushing, drainage and dosing are achieved, it is avoided that mycobacterium tuberculosis adheres on the screw body and breeds, and the adaptability is high. The sustainable flushing and drainage pedicle screw and the screw bar system are simple in structure, easy to operate and small in wound.

The invention specifically provides a chicken Escherichia coli biological disinfectant. The chicken Escherichia coli bacteriophages Ecp2, Ecp3 and Ecp6 are adopted as raw materials, the chicken Escherichia coli biological disinfectant has a good disinfection effect on chicken colibacillosis outbreak henhouses, the disinfection effect of the chicken Escherichia coli biological disinfectant provided by the invention is better than that of didecyl ammonium bromide, the chicken Escherichia coli biological disinfectant is short in action time and fast in action, the total number of bacteria in a chicken coop can be obviously reduced, the bacteria amount is reduced to 0.30% of that of a control group after spraying disinfection is carried out for 30 minutes, the bacteria amount is only 0.10% of that of the control group after spraying disinfection is carried out for 70 minutes, and the killing effect on the total number of bacteria is more obvious than that of a didecyl ammonium bromide disinfectant. The disinfectant has good effects on developing green and pollution-free environment disinfectants and improving the economic benefits of broiler chicken breeding.

The present invention discloses a method for producing puffed cereal grain flour. On the basis of traditional production technique of cereal grain flour a puffing procedure is added, the puffed cereal grain flour can be added into the cereal grain flour which is not puffed according to a certain ratio, and the sweet worm wood powder and glutinous rice flour as quality improving component can be added. Said invented process can raise the water absorption property and rheological property of its dough, and can make the puffed cereal grain flour have strong viscosity and elasticity, so that it can improve the palatability of said cereal grain flour food.

An oral care composition is provided wherein the composition comprises an ionic liquid, wherein the ionic liquid comprises: a) a quaternary ammonium cation of the formula wherein R1, R2, R3 and R4 are each an organic moiety and may be the same or different, and at least one of R1, R2, R3 and R4 includes a hydroxyl; and b) an anion selected from the group consisting of salicylate, alkylsulfate, sulfate, acetate, halide, phosphate, alkyl phosphate and tosylate; wherein the oral care composition is a mouth rinse, toothpaste, toothpowder, oral bead or strip, fluid-encased dental strip, irrigation fluid, plaque removal liquid, dental floss, hard candy, soft candy, lozenge, chewing gum, or lollipop.

The invention discloses an efficient cultivation method of a sterile explant of a peach badam stem segment and the explant. The method comprises the following steps of selecting an explant material, selecting a branch which is full in axillary bud, semi-lignified and annual from a strongly growing badam stock plant without plant diseases and insect pests in the field from April to June as an explant material, pretreating the explant, disinfecting the branch for the first time by using a disinfectant, cutting the branch into small sections with 3-5 axillary buds or terminal buds reserved on each section for later use, disinfecting the explant, and disinfecting the small sections of the branch for the second time by using the disinfectant so as to remove microorganisms such as bacteria and fungi on the surface of the explant, prevent material pollution, carrying out explant inoculation, and inducing an initial bud of the explant. According to the method, the time period from the middle ten days of May to the beginning of June is defined as the explant collection time, the bacterium carrying amount of the explant is effectively reduced, and the disinfection and sterilization effects are greatly improved through combination of an explant pretreatment method, a sodium hypochlorite sterilization method, time and the like.

The invention discloses wastewater treatment equipment convenient for replacing a filter screen for deep purification of textile wastewater, and relates to the technical field of textile wastewater. The wastewater treatment equipment convenient for replacing the filter screen for deep purification of the textile wastewater comprises a bottom plate, a working box, a hydraulic rod and a side rack are welded to the top of the bottom plate, a barrier plate is welded to the bottom of the inner side of the working box, the free end of the barrier plate extends to the outside of the working box, and the barrier plate divides the working box; a top plate is welded to the top of the baffle plate, a water suction pump is welded to the top of the top plate, and a feeding hopper is welded to the outer wall of one side of the working box. According to the textile wastewater treatment device, textile wastewater and a flocculating agent are rapidly mixed together in a stirring mode and subjected to a chemical reaction, secondary filtering work is conducted on the textile wastewater, so that the purpose of deep treatment of the textile wastewater is achieved, a first filtering plate can be rapidly lifted to the outside of the working box, and cleaning work of workers is facilitated.

The invention discloses a toothpaste composition with a strong antibacterial function. The toothpaste composition comprises a grinding agent, a humectant, an adhesive, a diester type surfactant, compound enzymes, a sweetener, perfume, mannatide, and deionized water. Biological enzymes cooperatively decompose the extracellular polymers excreted by floras of dental plaque, cell walls and cell membranes; during the decomposition process, hydrogen peroxide and hydroperoxide are generated at the same time; hydrogen peroxide and hydroperoxide can oxidize and neutralize high level mercapto groups in the biological membranes of dental plaque, oxidize and kill cells of bacteria at the same time, and reduce the resistance of bacterium cells to exogenous biological enzymes; at the same time, the decomposition product of mannatide can cut off the glycan chain of cell walls of bacteria, and absorb the pathogenic bacteria to starve the pathogenic bacteria; the diester type surfactant has a strong cleaning and stain-removing ability, and is capable of strongly removing biological membranes of dental plague and bacterium residues; after the using of the toothpaste, the average colony-forming units are reduced by 84.6 to 88.3%, and the number of bacteria is obviously reduced.