85 results about "Eucalyptus oil" patented technology

The invention relates to the technical field of plant essential oil products, and discloses a refreshing composition based on plant essential oil and a preparation method thereof.The method comprises the steps that an essential oil composition containing menthol, borneol, lime oil, patchouli oil, lavender oil, basil, pelargonium graveolens oil, clove oil and eucalyptus globulus leaf oil is prepared; constructing an ionic gel slow-release base layer; forming a plant source emulsifier composite two-phase system; and adding a light protection and anti-oxidation protection layer. According to the invention, the stability of the essential oil composition in an environment with change of illumination, temperature and humidity is remarkably improved, precise controlled release of essential oil components is realized, and the technical problems that a traditional essential oil product is easy to volatilize and poor in stability and different hydrophilic essential oil components are difficult to effectively load and release at the same time are solved.

The invention relates to the technical field of cleaning agents, and discloses a biodegradable environment-friendly cleaning agent, which comprises: a composite surfactant system comprising at least one nonionic surfactant, an ampholytic surfactant and a chelating functional surfactant; the plant extract oil system comprises limonene and a eucalyptus oil mixture; the functional particle system comprises nanoscale enzyme microcapsules and slow-release type oxidized particles; the natural polysaccharide stable network system comprises at least two polysaccharide thickeners and a bio-based cross-linking agent, and the assistant system comprises a metal ion chelating agent, a buffer acid system and water. By introducing sodium polyaspartate as a green chelating surfactant, efficient chelating of calcium and magnesium ions under a hard water condition is realized, the cleaning power is remarkably improved, water stain residues are reduced, and the cleaning performance with wider adaptability is obtained.

The invention relates to essential oil with a pain relieving effect and prepared from a medicinal material of fiveleaf schizophragma herb and a preparation method of the essential oil. According to the invention, traditional Chinese medicines and essential oil are scientifically proportioned, deep inflammation and rheumatic arthralgia can be relieved through the root of fiveleaf schizophragma, the sargentgloryvine stem and the garden balsam stem, the wintergreen oil, the peppermint oil and the camphor are matched to quickly relieve pain, the cortex albiziae and the murraya paniculata can relieve nervous tension and reduce pain sensitivity, and the traditional Chinese medicine composition is compounded and coordinated to treat both symptoms and root causes The eucalyptus oil and the clove oil are added into the product to blend the peculiar smell of the traditional Chinese medicines, so that the product is easier to accept. The preparation process adopts ethanol to extract effective components of the medicines, ensures dissolution of the active components, avoids the problem of low efficiency of a traditional water decoction method, effectively retains thermosensitive components through vacuum concentration, and avoids component degradation. The selected components are common and easily available, the processing technology is mature, and the method is suitable for large-scale production.

The application provides a topical traditional Chinese medicine composition for treating vulvar leukoplakia and a preparation method thereof. The composition is composed of traditional Chinese medicinal materials such as angelica, cortex psoraleae and barks of dictamnus dasycarpus, and a penetration enhancer, an activating agent and a moisturizing agent. The penetration enhancer is composed of soybean lecithin, phosphatidylethanolamine and cholesterol, the activating agent is sodium cholate, sodium deoxycholate and sodium taurocholate, and the moisturizing agent is eucalyptus oil. The drugs are compatible to exert the effects of clearing heat and drying dampness, cooling blood and nourishing yin, activating blood and resolving stasis, warming yang and dispelling cold and supporting healthy qi and tonifying the body resistance. The traditional Chinese medicine composition is prepared through supercritical extraction, micronization treatment, solution preparation and intermittent ultrasonic homogenization. The traditional Chinese medicinal materials are used for treating the etiology, pathogenesis and symptoms of vulvar leukoplakia, the penetration enhancer reduces the skin barrier function, the activating agent enhances the drug activity and permeability, and the moisturizing agent maintains the skin moisture and assists in anti-inflammation. The clinical application effectively relieves the symptoms of patients with vulvar leukoplakia, improves the pathological state of local skin and improves the treatment effect, thereby providing a new effective option for the treatment of vulvar leukoplakia.

The application discloses a throat clearing and larynx relieving composition and application thereof. The throat clearing and larynx relieving composition is mainly composed of raw oils of vitex oil, rhododendron oil, patchouli oil, eucalyptus oil, mint oil and star anise oil and optional added oil and diluent, is stirred and mixed, and has the main function of clearing throat and relieving larynx, and can also achieve the effects of freshening breath, refreshing brain, detoxifying and moistening lung, swelling and pain relieving, and phlegm and cough relieving.

This invention relates to the field of cosmetic products, specifically disclosing a long-lasting mosquito-repellent lacquerwood wax composite balm. This composite balm, by weight fraction, comprises 20-25 parts by weight of lacquerwood peel wax, 12-18 parts by weight of lemon eucalyptus oil, 3-8 parts by weight of catnip oil, 35-45 parts by weight of a temperature-controlled phase change regulating oil, 5-10 parts by weight of a hydrophobic plant-derived film-forming agent, 2-5 parts by weight of isosorbide dicaprylate, and 0.5-1 part by weight of a fat-soluble antioxidant. The long-lasting mosquito-repellent lacquerwood wax composite balm of this invention achieves a long-lasting and stable release of mosquito-repellent active ingredients, while also possessing suitable temperature-controlled phase change properties, a pleasant skin feel, synergistic mosquito-repellent effects, excellent hydrophobic and sweat-resistant capabilities, and stable storage of natural components.

According to the health moxa air-conditioning quilt, five-year aged moxa is subjected to enzymolysis modification and other treatment, on one hand, the antibacterial property of the moxa is improved, on the other hand, the softness of moxa fibers is improved, and then the moxa and other textile fibers are subjected to a blended spinning process to obtain the air-conditioning quilt which is soft, close-fitting, antibacterial, anti-mite, moisture-absorbing, breathable, skin-friendly and capable of helping sleep.

This invention provides a drug for antagonizing bacterial endotoxins, its preparation method, and its application, belonging to the biomedical field. The composition consists of 25-55 parts of dried powdered traditional Chinese medicine extract, 25-70 parts of mixed essential oil powder, and 40-90 parts of lentinan powder. The traditional Chinese medicine extract is prepared by decoction of Scutellaria baicalensis, Lonicera japonica, Forsythia suspensa, and Isatis indigotica under reduced pressure at low temperature and spray drying. The mixed essential oil powder is prepared by encapsulating peppermint oil and eucalyptus oil with gelatin and hydroxypropyl cellulose and then spray drying under high pressure. This invention, through specific formulation and processing, significantly enhances the synergistic antagonistic effect of each component against endotoxins. Experiments show that this composition exhibits antagonistic activity far superior to ibuprofen in vitro; in vivo, it significantly reduces the endotoxin content in the plasma of 817 broiler chickens, rapidly alleviates LPS-induced fever and diarrhea, and improves decreased growth performance. Therefore, this invention is of great significance for reducing antibiotic dependence and improving the efficiency of livestock and poultry farming.

Disclosed is a paper towel with functions of refreshing and nasal passage clearing and a preparation method thereof. The paper towel includes the following raw materials in parts by weight: 1 part of base paper for preparing the paper towel and 2.6-3.5 parts of a medicinal solution, where the medicinal solution is prepared by mixing a peppermint essence and a moisturizing active factor at a mass ratio of 2.5-3.5:1. The peppermint essence is composed of menthol, camphor, eucalyptus oil, borneol, and water. The present disclosure mixes the peppermint essence prepared at a certain ratio and the moisturizing active factor, and evenly spays the medicinal solution on the base paper for preparing the paper towel through a spraying process of special processing, so that the base paper for preparing the paper towel becomes soft, smooth and moist.

The invention provides magnolia denudata compound essential oil as well as a preparation method and application thereof, and the magnolia denudata compound essential oil comprises the following components in parts by mass: 30-40% of magnolia denudata essential oil, 15-20% of peppermint oil, 5-10% of fructus forsythiae oil, 8-10% of radix angelicae oil, 5-8% of radix saposhnikoviae oil, 5-8% of eucalyptus oil, 5-8% of ligusticum wallichii oil, 5-10% of lavender oil and 5-10% of agastache rugosus. The total percentage is 100%. The product provided by the invention can be applied to nasal products such as snorting, nasal stickers and nasal cleaning rods, relieving poor breath caused by acute nasosinusitis, nasal obstruction and headache caused by cold, relieving pressure and anxiety, refreshing and the like. The traditional Chinese medicine composition is extracted from pure plants, has no adverse reaction, can relieve poor breath caused by acute nasosinusitis and nasal obstruction and headache caused by cold at the same time, can relieve pressure and anxiety, and can refresh mind and restore consciousness.

The invention relates to the technical field of black tea leaf dyeing, in particular to a method for dyeing modified cloth by using black tea extracted pigment. The pigment extracted from the black tea is prepared from the following raw material components in parts by weight: 100.0 to 120.0 parts of clear water, 10.0 to 14.0 parts of black tea leaves, 1.0 to 4.0 parts of medical alcohol, 1.0 to 3.0 parts of essential balm, 2.0 to 4.0 parts of white vinegar, 1.5 to 2.5 parts of sodium hydroxide, 2.0 to 6.0 parts of ethyl acetate and 2.0 to 4.0 parts of chloroform. By modifying the cloth and adding the choline dihydrogen citrate ionic liquid, positive charge groups are introduced to the surface of the cotton fiber through chemical modification, the electrostatic binding force with anionic dye is remarkably enhanced, and salt-free dyeing is achieved.

The present application relates to the technical field of cotton leafhopper control, and particularly relates to a composition for preventing and treating cotton leafhopper, an insecticide and application thereof and a preparation method thereof.The composition comprises dinotefuran, potassium dihydrogen phosphate, orange peel essential oil and eucalyptus oil, wherein the mass fraction of dinotefuran is 67.5-94.5 parts, the mass fraction of potassium dihydrogen phosphate is 900 parts, the mass fraction of orange peel essential oil is 900 parts, and the mass fraction of eucalyptus oil is 7.5 parts.The insecticide in the present application can not only achieve better control effect, but also reduce the dosage of dinotefuran when applied to the control of cotton leafhopper, so as to effectively delay the development of drug resistance of cotton leafhopper.

This invention discloses a method for cultivating pearl grouper, belonging to the field of aquaculture technology. Through careful design of active component configuration and juvenile feeding according to size, component A includes the following raw materials: β-chitosan, oxalic acid, and *Gnaphalium affine* extract; component B includes the following raw materials: sugarcane extract, rye seed powder, and oryzanol; component C includes the following raw materials: fig polysaccharide, yeast β-glucan, and eucalyptus oil. When the juvenile size is 2.2~5.0cm, a basic feed supplemented with components A and B is provided; when the juvenile size is 5.1~10cm, a basic feed supplemented with components A and C is provided; when the juvenile size is greater than 10cm, a basic feed supplemented with components A, B, and C is provided. The cultivation method of this application can improve the resistance of pearl grouper to *Vibrio harveyi* infection and / or its low-temperature tolerance, and the cultivation method is simple and the raw materials are readily available.

The application discloses application of Amomum tsao-ko oil in preparation of mosquito repellents. It is found that Amomum tsao-ko oil and eucalyptus oil have repellent activity on mosquitoes, and in order to further improve the mosquito repellent activity and solve the defect that plant essential oils are easy to volatilize, the Amomum tsao-ko oil and eucalyptus oil are compounded in a certain proportion to achieve a synergistic effect, and the mosquito repellent activity is high.

The present invention relates to a phytosanitary composition with bactericidal effect, which comprises eucalyptus oil, at least one diluent, at least one surfactant and at least one antioxidant; and to the use of the composition as a bactericide in the protection of plants.

According to the plaster prepared from the medicinal material of the Chinese fiveleaf schizophragma herb suitable for arthralgia, the Chinese fiveleaf schizophragma herb is used as a monarch drug to play core roles in dispelling wind, eliminating dampness and activating meridians to stop pain, and is matched with ministerial drugs such as garden balsam stems, ligusticum wallichii and angelica sinensis to form a synergistic effect of promoting blood circulation to remove blood stasis and warming channels to dispel cold; multi-target intervention is realized aiming at the pathological mechanism of wind, cold, dampness and blood stasis of arthralgia; by adopting ultrasonic extraction and CO2 supercritical extraction technologies, effective components in the medicinal materials are fully extracted, and by combining eucalyptus oil and turpentine penetration enhancers, the transdermal absorption efficiency of the medicine is improved; through a low-temperature mixing process and an elastic non-woven fabric carrier, the damage of high temperature to active ingredients is reduced, and meanwhile, the air permeability is guaranteed; the drug effect intensity can be adjusted in a targeted manner through different proportioning schemes, for example, the 5% formula of the fiveleaf schizophragma root is suitable for strong pain relieving in the acute stage, and the 1% formula of the fiveleaf schizophragma root is suitable for maintenance treatment in the chronic stage, and the individualized medication requirement is met.

The invention discloses an anti-fatigue immunity-improving liquid functional fragrance and a preparation method thereof, and relates to the technical field of functional fragrances, the anti-fatigue immunity-improving liquid functional fragrance comprises the following raw materials by weight: 10-30 parts of composite essential oil nano microcapsules, 30-50 parts of base oil, 0.1-0.5 part of a preservative, and 20-40 parts of a solvent; the composite essential oil nano microcapsule takes composite essential oil as a core material and takes modified soybean protein isolate and modified chitosan as wall materials; the compound essential oil comprises the following components in percentage by mass: 10-14% of radix angelicae essential oil, 8-12% of peppermint essential oil, 12-16% of rosemary essential oil, 8-12% of lemon essential oil, 4-8% of eucalyptus oil, 7-11% of camellia tree essential oil, 10-14% of nutmeg essential oil, 10-14% of rhodiola rosea essential oil, 8-12% of ginseng essential oil, 2.5-3.5% of vitamin E oil and 1.5-6.5% of neroli essential oil. The liquid functional fragrance provided by the invention has excellent anti-oxidation and anti-fatigue performance, is stable in fragrance performance, and can still keep good effects in a relatively long shelf life.

The invention discloses application of a cinnamomum longepaniculatum extract in preparation of a medicine for promoting skin wound healing and treating eczema, belongs to the technical field of biological medicines, and aims to provide application of delta-terpilenol, alpha-terpilenol or eucalyptus oil in the cinnamomum longepaniculatum extract in preparation of the medicine for promoting skin wound healing or treating eczema. The application depends on two brand-new action mechanisms of promoting keratinocyte migration / proliferation to accelerate reepithelization and inhibiting inflammation through a bidirectional immunoregulation mechanism based on the cinnamomum longepaniculatum compound instead of known antibacterial, analgesic or anti-inflammatory activity in the prior art; and a theoretical basis is laid for the use of the cinnamomum longepaniculatum compound in the new application field.

The invention discloses perfume lemon compound essential oil as well as a preparation method and application thereof. The perfume lemon compound essential oil comprises an active component A and an active component B, the active component A comprises perfume lemon essential oil, rosemary oil, tea tree oil and cedar oil; the active ingredient B comprises at least one of thyme oil, schizonepeta oil, lemongrass oil, peppermint oil and eucalyptus oil. According to the prepared perfume lemon compound essential oil, the perfume lemon essential oil is creatively used as a main component and forms molecular-level cooperation with other plant essential oil in a specific proportion, scientific component selection and proportion optimization are achieved, the perfume lemon essential oil and other plant essential oil jointly act on olfactory receptors of mosquitoes, a strong repelling signal is generated, and the mosquito repelling effect is achieved. The key technical problems that an existing plant mosquito repellent product is insufficient in mosquito repellent durability, high in skin irritation, poor in formula stability and the like are successfully solved, and the plant mosquito repellent has good application prospects.

The invention discloses a pesticide composition containing plant essential oil. A pesticide and the plant essential oil are used as effective components; the content of the insecticide in the pesticide composition is 0.5-1 wt%, and the content of the plant essential oil in the pesticide composition is 0.5-2 wt%; the plant essential oil is cinnamomum camphora essential oil, citronella essential oil, basil essential oil and / or eucalyptus oil. The pesticide composition can effectively prevent and control agricultural and / or non-agricultural insect pests, and after the pesticide and the plant essential oil are compounded and combined, the pesticide utilization rate and the pesticide control effect can be effectively improved, the pesticide dosage is reduced, the more excellent insect pest control effect is achieved while environmental pollution is relieved, and the pesticide composition is worthy of popularization and application. And the pesticide has the advantages of low toxicity, environment friendliness, safety to crops and the like.

The invention discloses a medicament tablet which is placed in a medicine storage chamber for a mask, volatile components of the medicament tablet are diffused outwards through breathable meshes in a bottom wall, and the medicament tablet is prepared from the following raw materials in percentage by mass: 5-40wt% of menthol, 5-40wt% of menthol, 5-40wt% of menthol, 5-40wt% of menthol, 5-40wt% of menthol, 5-40wt% of menthol and the balance of water. 5 to 25 wt% of borneol; 8 to 15 weight percent of camphor; 10 to 50 wt% of eucalyptus oil; 2 to 10 weight percent of wintergreen oil; 5-10 wt% of turpentine oil; 1-5 wt% of clove oil; 1 to 3.5 wt% of orange peel; and 0.5 to 2.1 wt% of bergamot. According to the present invention, when the air purification material is applied to the mask, the harmful substances such as pathogenic bacteria, dust, PM2.5 and the like in the air can be adsorbed and filtered while the pathogenic bacteria can be effectively inactivated.

The application discloses a coating with lubricating, bacteriostatic and sustained-release characteristics and a preparation method and application thereof, and belongs to the technical field of medical materials, wherein the preparation method of the coating comprises the following steps: [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl) ammonium hydroxide, a crosslinking agent and an initiator are added into a solvent and mixed to obtain a solution A; polyvinylpyrrolidone and lithium chloride are added into the solution A and stirred to obtain a solution B; zinc oxide and a surfactant are added into the solution B and ultrasonic treatment is carried out to obtain a uniform suspension; lidocaine is added into eucalyptus oil and stirred to obtain a solution C; the solution C is added into the above suspension and ultrasonic treatment is carried out to obtain a Pickering emulsion; and the Pickering emulsion is subjected to ultraviolet light irradiation treatment to obtain the coating with the lubricating, bacteriostatic and sustained-release characteristics. When the coating is applied to the surface of a urinary catheter, the friction of the urinary catheter can be reduced, the urinary catheter is endowed with excellent bacteriostatic characteristics, and excellent drug sustained-release performance can be exhibited.

The utility model provides an automatic glue brushing device for a moxa strip rolling device, which belongs to the technical field of glue brushing equipment and comprises a glue brushing mechanism, a glue storage box, a sealing plug clamped at the top of the glue storage box, a delivery pump for delivering glue, a connecting box communicated with the output end of the delivery pump and rollers movably mounted at the bottom of the connecting box. And the timed stirring mechanism comprises a timed stirring part for stirring the glue solution in a timed manner and a cleaning part for cleaning the liquid level observation window. According to the utility model, the timed stirring part is used for timed stirring of the stored glue solution, so that the problems that the glue in the traditional glue storage part is not used for a long time and is cured, so that the glue becomes thick and is not easy to pump are solved, and the purposes of improving the smoothness of the glue and facilitating the conveying of the glue are achieved; the cleaning piece is used for cleaning the liquid level observation window, the situation that glue remains on the liquid level observation window, the sight is blocked, and the actual remaining amount of the glue is difficult to judge accurately is avoided, and therefore the glue supply accuracy is improved.

The invention relates to the technical field of medicines, in particular to a hydrogel patch with a novel matrix and a preparation method and application of the hydrogel patch with the novel matrix. The novel matrix comprises 5%-6% of sodium polyacrylate, 1%-2% of dihydroxyaluminium aminoacetate, 20%-25% of glycerin, 60%-64% of water, 1%-3% of propylene glycol, 0.5%-1% of menthol and 1%-2% of eucalyptus oil. Different essential oils are added into the matrix, so that the obtained six matrixes with different formulas can obtain better matrix forms, have better skin feeling, can be seamlessly connected with non-woven fabrics, have better adhesion performance and better repeated adhesion, and do not have a water seepage phenomenon; the prepared dihydroxyaluminum aminoacetate-sodium polyacrylate gel matrix is fine and smooth in form and is wholly pure white.

This invention discloses an antibacterial and mosquito-repellent composite material based on plant extracts, its preparation method, and a latex paint. The method includes: providing a zinc ion solution and an alkaline precipitant solution, wherein the alkaline precipitant solution is selected from at least one of sodium hydroxide solution, potassium hydroxide solution, or ammonia water; mixing and reacting the zinc ion solution and the alkaline precipitant solution, controlling the final pH value of the reaction to be 8-11, and then post-processing to obtain nano-zinc oxide particles; dispersing the nano-zinc oxide particles in an L-cysteine ​​solution, adding a stabilizer to obtain an L-cysteine-modified nano-zinc oxide dispersion; adding β-alanine and plant extracts to the nano-zinc oxide dispersion, homogenizing and drying to obtain the antibacterial and mosquito-repellent composite material; wherein the plant extract is selected from at least one of thymol or geraniol, nocaketone, physalisol, citronella oil, and lemon eucalyptus oil, combined with thymol. This invention can produce an antibacterial and mosquito-repellent composite material with long-lasting antibacterial and mosquito-repellent effects.

The invention belongs to the technical field of separation and purification of natural products, and discloses a process of a 1, 8-cineole enrichment method for refining eucalyptus oil through short-path molecular distillation. The method is characterized by comprising the following steps: carrying out selective hydroxylation or epoxidation reaction on crude eucalyptus oil and a buffer system containing F87A / A328G mutant CYP102A1 enzyme under temperature and oxygen control conditions to convert impurities into high-boiling-point derivatives, and collecting light components through short-path molecular distillation. By adopting the technical scheme, an enzymatic selective conversion-short-path molecular distillation coupling process is constructed, the key separation problem in the preparation of the high-purity 1, 8-cineole is successfully solved, an efficient, green and large-scale technical path is provided, and the method is suitable for industrial production. The urgent requirements on high-purity natural monoterpene compounds in the fields of medicines, high-end daily chemicals and the like are met.

The invention discloses a eucalyptus oil feed additive mixing device and a self-adaptive control system, and relates to the technical field of feed processing, a eucalyptus oil electrowetting nozzle and an ultrasonic transducer group cooperate to form an acoustic oil wall parallel to a tabulate powder curtain in a mixing cavity, and an oil film sensitive conductive or dielectric coating is arranged on the surface of self-developing carrier powder. The electrical sensing electrode array collects multi-channel impedance or capacitance signals and reconstructs oil content distribution state quantity vectors of the front edge, the tail edge, the central area and the edge area of the powder curtain. A reinforcement learning control module and a physical constraint module are arranged in the self-adaptive controller, electrowetting driving voltage, ultrasonic working parameters and material flow are jointly adjusted according to the oil content distribution state quantity and temperature and dust concentration information, and particle-level oil content uniform mixing of the eucalyptus oil and the carrier powder is achieved on the premise of low temperature and explosion prevention.

The invention relates to a bird repellent based on plant extracts, and belongs to the technical field of biological prevention and control of infrastructure. The bird repellent is prepared from plant active ingredients, a plastic slow-release carrier and an auxiliary agent, wherein the plant active ingredients comprise methyl anthranilate, cinnamyl aldehyde, eucalyptus oil and peppermint essential oil; the auxiliary agent comprises an antioxidant, an antifreeze agent and a solvent composed of vegetable oil and methyl oleate. The bird repellent is prepared by mixing through a specific preparation method, and can be prepared into various dosage forms such as a colloidal mixture or foamable liquid and the like. Through the synergistic effect of various plant active components and the controlled release function of the plastic slow-release carrier, the invention aims to provide the bird repellent which is wide in bird repelling spectrum, long in effective action time, high in environmental adaptability and safe to use, and is mainly used for protecting electrical equipment and agricultural crops from being invaded and harassed by birds.

The invention discloses a treatment device and a treatment method for ichthyophthiriasis of largemouth bass, and belongs to the technical field of aquaculture. The device comprises a treatment bin, a filtering bin and a medicine bin, a disinfecting and killing device is further arranged between the filtering bin and the medicine bin, and all the components cooperate to achieve water circulation, temperature control, salinity adjustment, medicine mixing and disinfecting and filtering. During treatment, the temperature of a water body is stable, the salinity is accurately adjusted through the salt adding box, the salinity is adjusted from high salinity to low salinity, then melia azedarach oil and eucalyptus oil with specific dosage are matched to kill ichthyophthirius multifiliis, and then povidone iodine is used for disinfection and vitamin C is used for assisting recovery. The method solves the problems of large drug dosage, high energy consumption, inaccurate salinity adjustment and easy disease recurrence in the prior art, has the advantages of drug and energy consumption saving, accurate salinity adjustment, thorough treatment and simple and convenient operation, and is suitable for efficient treatment of industrial largemouth bass ichthyophthiriasis.