250results about How to "High in active ingredients" patented technology

The invention relates to Chinese caterpillar fungus highland barley grain and making method belonging to natural health food for human particularly to a health food and making method based on plant as raw material, wherein the raw material comprises active component comprises 65-75% the highland barley, 15-25% the Chinese caterpillar fungus powder, 10-15% pine mushroom and 5-10% sea buckthorn fruit. The making method comprises the following steps: frying and disintegrating the highland barley to reserve; disintegrating the Chinese caterpillar fungus powder to reserve; steaming and baking the pine mushroom to reserve; extracting and thickening and drying the sea buckthorn fruit to reserve; mixing the materials fines to cube and bake to form product. The invention has merits of less making active component raw material with scientifically reasonable compatibility and adjusting blood fat with two-way activation, which improves body immunity and gastrointestinal tract function effectively to solve sub-health genuinely.

A eucommia tea grain and the preparation method belong to natural health care food for people, in particular to the health care food with the plant as raw material and the preparation method. The raw materials of active ingredients comprise eucommia peel or leaf, mulberry leaf, henon bamboo leaf, etc. The preparation method is that the raw materials are decocted, extracted and condensed; the extract is dried, smashed and then made into grains to get the tea grain. The product has the advantage that the tea has the function of adjusting blood fat, blood pressure and can remove heat and toxic materials. The tea grain can effectively reduce the blood sugar content, soften blood vessel and reduce the content of cholesterol and triglyceride in blood; therefore, the tea grain has good effect on the fatty liver and high blood pressure and the tea grain has excellent health care function on the various symptoms of sub-healthy people.

The invention provides a full-function facial mask. The facial mask comprises the following components in percentage by mass: 0.01-2 percent of hyaluronic acid, 0.01-1 percent of reduced glutathione, 0.01-2 percent of L-vitamin C, 0.01-2 percent of tranexamic acid, 0.01-2 percent of liquiritigenin, 0.01-5 percent of vitamin E, 0.01-1 percent of EGF lyophilized powder, 0.01-2 percent of active peptide, 0.01-3 percent of SOD, 0.01-2 percent of arbutin, 0.1-2 percent of allantoin, 0.5-5 percent of glycerinum, 0.5-5 percent of propylene glycol and the balance of water, wherein the effective components are independently embedded with liposome or coated with nano-microcapsules before being mixed. The activated effective components of the facial mask are independently coated or embedded with transporters, and are delivered to the corium layer or the superficial corium layer by virtue of transportation of the transporters to achieve the effects of quadruple whitening, triple repairing and double moistening.

The invention discloses a casting polypropylene film with a controllable friction coefficient and a preparation method thereof, belonging to the technical field of packaging materials. The casting polypropylene film sequentially comprises a corona layer, a middle layer and a heat-seal layer with a thickness ratio of (20-30) to (50-65) to (15-20). The corona layer is made from homo-polypropylene or polypropylene random copolymer, the middle layer is made from isotactic homo-polypropylene, and the heat-seal layer comprises 90wt%-98wt% of propylene copolymer, 1wt%-3wt% of adhesion resisting agent and 1wt%-7wt% of macromolecule slip agent, namely silicone master batch. The preparation method sequentially comprises the following steps: mixing materials, extruding to form a film, cooling for shaping, measuring thickness, aureoling, trimming, reeling, performing aging treatment, and slitting. The heat-seal layer is uniformly dispersed in main body resin by the macromolecule slip agent, and the slip agent is well compatible with the main body resin due to high molecular weight, and thus a film surface friction coefficient is prevented from being changed by migration of the macromolecule slip agent due to temperature of a storage or usage environment.

The invention relates to a traditional Chinese medicine ointment, a preparation method and application thereof. The raw materials of the traditional Chinese medicine ointment include: bezoar, the rhizome of Chinese goldthread, the root bark of shaggy-fruited dittany, pepper, radix sophorae flavescentis, barbados aloe, golden larch bark, the tuber of stemona, borneol, menthol crystal and vaseline; and the raw materials are crushed and mixed to prepare the traditional Chinese medicine ointment. The traditional Chinese medicine ointment for the treatment of skin disease can penetrate the thicker skin or realize the desquamation of stratum corneum to have quick efficacy, can quickly kill the surface causative agent, destroy the breeding environment for bacteria, have targeting medicinal efficacy, can clear the toxic substance in blood, inhibit the synthesis of muggy stasis tissue, regulate the metabolic disturbance of cells due to long-term use of hormone drugs, enhance the active ingredients of anti-relapse anti-immune factors, reproduce the newly-generated immune substances, improve skin micro-circulation, repair damaged skin tissues and increase the resistance and immunity.

The invention provides a pig feed additive capable of effectively improving pig immunity and promoting pig growth. The pig feed additive is composed of astragalus polysaccharide, acanthopanax powder, fermented traditional Chinese medicine powder, muskmelon pedicel powder, tangerine peel powder and the rest carrier, the carrier is a mixture of wheat bran and defatted rice bran at a mass ratio of 1:1. The pig feed additive can remarkably lower incidence of pigs, improve immunity of the pigs and increase growth rate of the pigs, can replace or partly replace application of chemosynthesis additives in feed and has wide market prospect.

The invention relates to fermentation technology for high-activity black garlic. The fermentation technology has the technical key points that: fresh garlic is packaged into a heat-resistant plastic food bag, and is added with garlic oil and sealed for natural fermentation; and after the fermentation is finished, the garlic is subjected to vacuum drying treatment to form a high-activity black garlic product. The finished product black garlic prepared by the technology has the characteristics of high beneficial component content, stable product performance, no added additives, small stimulation, good mouthfeel and easy preservation; in the technology, soaking technology in the conventional fermentation technology for the black garlic is saved, so that the processing technology is simple, the fermentation process avoids humidification, and the equipment cost is saved; the garlic oil and active components contained in the garlic are converted into functional components such as ajoene, polyphenol and the like by utilizing a principle of enzyme fermentation of the garlic, so that the active component content of the garlic are improved greatly; and the fermentation process does not discharge odor such as sulfide odor and the like, so that the working environment is improved greatly.

The invention provides an extraction method of a peony product. According to the invention, picked peony seeds are subjected to low-temperature bake-drying or air-drying; the seeds are shelled, such that peony seed kernels are obtained; winnowing is carried out; and cold-pressing is carried out, such that peony cake or peony oil is obtained. In prior arts, impurities in peony products are hard to remove; an extraction temperature is high; toxic solvent and organic chemical substance residues are easy to occur; effective component is easy to consume, such that natural activity is lost, and physiological role and pharmacological activity of the product are damaged; and severe pollution. With the peony product extraction method provided by the invention, the problems are solved.

The utility model discloses a pyridaben suspending agent for killing mites. The utility model comprises 3 to 60 shares of pyridaben, 1 to 47 shares of promoter, 15 to 58 shares of water in mass ratio. The pyridaben suspending agent with a very high active component has a superhigh sensitivity in connection with the red spider mites on apple trees, citrus trees and the mites which have become resistant to the pyrethrum acaricide, and then can reduce the usage amount of the organic solvent. The utility model has the advantages of simple processing technology, low cost, being convenient in use, reducing spray times and the pollution to the environment and the fruit, reducing the toxicity influence to users, no peculiar smell, and being less inflammable. The pyridaben suspending agent is safer to transport and store, and the prevention effect on the red spiders on apple trees, citrus trees respectively reaches 89.89% to 95.87%, 86.64% to 91.48%, and is 40% to 30% higher than the prevention effect of the single pyridaben variety; the utility model reduces the agentia dosage and saves cost for the fruit growers.

The invention provides a ganoderma tsugae strain cultivation method and particularly relates to the technical field of cultivation and processing of fungi. The method includes the four steps of mother strain cultivation, stock culture production, inoculation cultivation and fruiting management. The cultivated ganoderma tsugae strain is high in content of active ingredient and good in anti-tumor function and has good economic and social benefits, and the cultivation method is economical, practical, low in cost and good in effect; due to substrates mainly composed of grain materials and addition of humic acid, poison to the strain due to heavy metal in soil is reduced; the technique of simulating the growth environment of the wild ganoderma tsugae is adopted, so that yield of the ganoderma tsugae is increased while quality of the same is improved, and safety of the ganoderma tsugae products is guaranteed. The method is beneficial to standardization, industrialization and internationalization of the traditional Chinese medicine ganoderma tsugae products; quality of the ganoderma tsugae is improved highly, the active ingredient content is increased significantly, and good economic and social benefits are gained.

The invention provides a craft for preparing dietary fiber using kumquat marc, which adopts kumquat or kumquat marc as materials. After washing, drying, grinding, decolorizing treatment and acid treatment to the materials, a water-insoluble crude product of dietary fiber is filtered out through alkali treatment to the filter residue; a water soluble crude product of dietary fiber is filtered out through alcohol precipitation to the filtrate after acid treatment; and a dietary fiber is obtained after a mixed crude product being dried and superfine comminuted; the craft adopts kumquat or the kumquat marc which is made from the machining process to the kumquat beverage as materials, after decoloration and acid alkali treatment, alcohol condensation, and superfine comminution, a kumquat dietary fiber with high activity is developed. The craft has the advantages of waste reuse, obvious economic benefit, optimized process condition for preparation, improvement of active component of the kumquat dietary fiber and increase of the value of the dietary fiber.

The invention discloses a special fertilizer formula for stevia rebaudiana, which is prepared by taking the following components in parts by weight as raw materials: 35-40 parts of organic material, 15-20 parts of nitrogen fertilizer, 10-15 parts of phosphorus fertilizer, 15-22 parts of potassium fertilizer, 3-8 parts of medium trace elements and 5-10 parts of mineral conditioner. In the fertilizer formula, according to the nutritional requirements for the growth of stevia rebaudiana as well as the soil characteristics of the soil in the fertilizer application regions, namely coastal regions in Shandong and Jiangsu, the fertilizer utilization rate is improved to the greatest degree, the crop growth is promoted, and the output and quality of stevia rebaudiana are improved. Meanwhile, after sugar is extracted by use of a water solvent, by taking the stevia rebaudiana residue after aerobic fermentation and thorough decomposition as an organic raw material, environmental pollution is avoided, the production cost is reduced, and the benefits are increased.

The invention relates to a health food capable of enhancing immunity and relieving body fatigue, in particular to a health capsule, Jinchaishihu Capsule, prepared from Herba Dendrobii Nobilis. as monarch drug and Panax quinguefolium as adjuvant. The preparation method comprises the following steps: crushing 1 to 10 parts of Herba Dendrobii Nobilis and 1 to 2 parts of Panax quinguefolium to powder less than 60 meshes, and mixing. The health capsule can organically combine yin-nourishing drug with qi-invigorating drug of Homo-source in food and drug, and has significant curative effect. The health capsule has the effects in nourishing yin, promoting secretion of saliva, moistening lung, nourishing stomach, regulating yin-yang balance in human body, invigorating qi and yin, effectively relieving a series of symptoms resulting from yin deficiency, qi deficiency and deficiency of yin and qi, and protecting health of patients with hypoimmunity and fatigue.

The invention discloses a camellia nitidissima beverage which comprises the following raw materials in parts by weight: 60 to 80 parts of camellia nitidissima, 40 to 60 parts of rose flowers, 10 to 14 parts of fructose corn syrup, 4 to 6 parts of liquorice, 2 to 4 parts of lycium ruthenicum, 1.2 to 2.0 parts of honey, 0.03 to 0.09 part of citric acid, 0.01 to 0.05 part of sodium citrate, 0.08 to 0.12 part of malic acid, 0.01 to 0.03 part of D-sodium ascorbate, 0.05 to 0.15 part of a thickening agent, 0 to 0.01 part of edible salt, and a proper amount of pure water. The preparation method comprises the following steps: S1, material pretreatment; S2, extraction; S3, fermentation; S4, vacuum distillation and filtration; S5, mixing; S6, fine filtration; S7, sterilization; and S8, germfree canning. The camellia nitidissima beverage prepared by the preparation method disclosed by the invention has certain health effects of reducing the blood pressure, reducing the blood sugar, reducing the blood fat, resisting oxidization, enhancing the immunity of a human body, adjusting the function balance of the human body, maintaining the beauty and keeping young; the product does not contain ethyl alcohol, is slight in bitterness, mellow in tea fragrance, bright in red color, clear and transparent, tastes pure, and is a health beverage with higher nutritional value; the formula is scientific and reasonable, and the production technology is simple.

The invention discloses a factory culture method of phellinus igniarius fruiting bodies and a culture medium thereof. The method comprises the steps of phellinus igniarius seed preparation, factory production culture medium preparation, inoculation, culture management, harvesting and drying, wherein a solid strain amplification culture medium is prepared from corn powder, maltose, peptone, MgSO4,KH2PO4 and agar; a liquid strain amplification culture medium is prepared from glucose, yeast powder, MgSO4, KH2PO4, ammonium citrate tribasic, ramulus mori water extracts and vitamin B1; a factory production culture medium is prepared from grain seeds, distilled water, MgSO4, KH2PO4 and ramulus mori water extracts. The method and the culture medium have the advantages that the pollution rate is low; the culture period is short; the product quality is stable; the cost is low; the factory standardized production can be realized. By using the culture medium, the phellinus igniarius hyphae growsfast and exuberantly; the obtained phellinus igniarius seed quantity is large; the time is short; the raw materials are simple and can be easily bought; the price is low; the culture time of the phellinus igniarius fruiting bodies is shortened; the biological conversion efficiency is high; the contents of ingredients of polysaccharide, flavone and triterpenoids can be kept higher.

The invention relates to the technical field of comprehensive utilization of mineral resources and in particular to a ceramic tile produced by pottery clay and a preparation method thereof. The preparation method is characterized in that by controlling and adjusting the raw material formula of the ceramic tile prepared from high-calcium pottery clay, combining the preparation process to grind high-calcium pottery clay raw materials and controlling and adjusting the granularity, active ingredients in the high-calcium pottery clay are improved and the performance of the high-calcium pottery clay raw materials is optimized; by combining treatment of initial bodies and semi-finished products after the compression molding process, each performance index of the green body before firing molding is optimized and controlled; after firing the semi-finished products in a kiln and controlling the firing temperature, low-energy-consumption firing is realized, and by combining control of the firing time, the strength and other mechanical properties of the prepared ceramic tiles are optimized. Therefore, the flexural and compressive strength of the obtained ceramic tile is 35.77-64.75 MPa, the water absorption rate of the ceramic tile is less than 1 percent, and ceramic tiles with excellent architectural decoration properties are further obtained.

The invention relates to water-soluble fertilizer containing alginate and various nutrients and a preparation method of the water-soluble fertilizer. The water-soluble fertilizer comprises alginate, macro-elements N, P2O5 and K2O, medium elements Ca and Mg and trace elements Cu, Fe, Mn, Mo, Zn and B, wherein the weight percentage of the alginate is 3%., the total weight percentage of the macro-elements is 57%, the total weight percentage of the medium elements is 1%, and the total weight percentage of the trace elements is 0.64%. The preparation method includes: weighing the raw materials according to the weight percentage, and crushing and sieving; weighing the alginate, and evenly mixing with nitrogen fertilizer for standby; weighing the trace elements, and mixing with calcium and magnesium fertilizer for standby; weighing phosphorus fertilizer and potassium fertilizer, evenly mixing, adding the mixture, and sufficiently mixing to obtain the water-soluble fertilizer. By the water-soluble fertilizer, fruit yield can be increased by 20-30%, vegetable yield can be increased by 25-35%, and flower quality can be increased evidently.

The invention provides a dendrobium kudzu eucommia bark functional food, and relates to a health food which can offer auxiliary protection for chemical liver injury and improve immunity, in particular to a health care functional food which takes dendrobium as a monarch drug. The food is prepared by uniformly mixing dendrobium powder with granularity no less than 60 meshes, kudzu extractive with eucommia bark extractive, and the dendrobium powder, the kudzu extractive and the eucommia bark extractive are mixed by the following weight fraction: 6-10 parts of dendrobium, 1-3 parts of kudzu extractive, and 1-2 parts of eucommia bark extractive. The functional food is characterized in that a liver-protective drug which is homology of medicine and food, a drug of nourishing yin and varieties which have the function of tonifying yang are organically combined by a reasonable method to produce a health food with remarkable effects. The functional food has the efficacy of protecting liver, improving eyesight, moistening lung, nourishing stomach, and adjusting the equilibrium between yin and yang in human body, and can achieve the effect of notably improving chemical liver injury and a series of symptoms caused by low immunity.

The invention discloses an animal feed additive and a preparation method thereof. The additive comprises 20 g of codonopsis pilosula, 20 g of astragali radix, 10 g of malt, 10 g of fructus crataegi(stir-fried), 250 g of bean pulp, 250 g of cottonseed meal, 250 g of rapeseed meal, 100 g of sweet pepper pulp and 90 g of chrysanthemum powder. The preparation method of the additive comprises the following steps: firstly, conducting primary fermentation on the codonopsis pilosula, the astragali radix, the malt and the fructus crataegi(stir-fried) through using lactobacillus bulgaricus, wherein liquid fermentation is adopted in the primary fermentation, and the bacterium-inoculating amount is 20%; secondly, conducting secondary fermentation on the product subjected to the primary fermentation with 250 g of bean pulp, 250 g of cottonseed meal, 250 g of rapeseed meal, 100 g of sweet pepper pulp and 90 g of chrysanthemum powder through using saccharomycetes, so that a finished additive is obtained. According to the invention, effective ingredients in the traditional Chinese herbal medicines can be fully released during the primary fermentation; cellulose, protein and carbohydrates in the traditional Chinese herbal medicines and enriched plant materials can be resolved and converted during the secondary fermentation, as a result, rich organic acid and amino acid are produced, the nutrient content is further enriched, and the mouthfeel of the animal feed is better.

The invention discloses a bitter bamboo shoot juice drink and a preparation method thereof and relates to the field of processing of bamboo shoot drinks. The bitter bamboo shoot juice drink disclosed by the invention comprises 30-35% of bitter bamboo shoot juice, 5-7% of white granulated sugar, 0-0.5% of ascorbic acid, 0-0.05% of acid-resistant carboxymethylcellulose sodium and the balance being water according to a formula. The invention aims at providing the bitter bamboo shoot juice drink and the preparation method thereof. The method comprises the process steps of cutting, blanching, enzymolysis, pasteurization, fermentation and the like. The bitter bamboo shoot juice drink can effectively save nutritional ingredients in bitter bamboo shoots, increase the fermented flavor by inoculated lactobacillus for fermentation and effectively cover the bitter taste of the bitter bamboo shoots.

The invention discloses a preparation process for producing a compound microbial fertilizer from edible mushroom residues and traditional Chinese medicine residues. The preparation process comprises the following steps: (1) activation of cultures; (2) preparation of an enlarge culture medium of first-class cultures; (3) preparation of an enlarge culture medium of second-class cultures; (4) preparation of solid cultures; (5) fermentation and proliferation; and (6) post-treatment and packaging. The compound microbial fertilizer produced in the invention can reduce the application amount of an inorganic fertilizer, improve soil structure and fertilizer utilization rate and reduce environmental pollution; and the process is of great significance to rational use of rural waste, reduction in production cost and development of efficient, environmentally-friendly, energy-saving and green ecological agriculture.

The invention discloses a preparation method of lychee wine and belongs to the technical field of fruit wine brewing. A high-voltage pulsed electric field is applied to the process of preparation of lychee juice, brewer's yeast activation and clarification and sterilization of raw lychee wine. No nutritious supplement or clarifying agent is added in the lychee wine preparation process, and the sterilization process is performed at the low temperature and cannot affect the quality of the lychee wine. The obtained lychee wine has rich nutrients and is simple to operate and short in fermentationperiod. Besides, the lychee wine has clear body, attractive color, strong lychee fragrance and mellow texture and is high-quality lychee wine.

The invention discloses a compound medicine with salvia miltiorrhizae extract, notoginseng root extract and nature left-handed baras camphor (Ai slice with 1-borneol (l-Borneol)) as effective element, preparing method and application to cure heart and brain ischemia disease medicine, which is characterized by the following: incorporating all active element of salvia miltiorrhizae liposolubility and water-solubility of the medicinal preparation; possessing high content; coming from activate blood circulation and remove stasis effective position of notoginseng for Notoginsen triterpenes; possessing high purity and strong activator for 1-borneol. This invention adopts three grade quality control mode, which keeps high grade and uniform of product.

The invention discloses a Cordyceps militaris extract and a preparation method thereof. The method comprises the following steps: drying a Cordyceps militaris raw material until the water content is 15-25%, and performing vacuum low-temperature puffing treatment; mixing the vacuum low-temperature puffed raw material with water according to a mass ratio of 1:(15-20), adjusting the pH value to 4-6,and sequentially performing ultrahigh-pressure treatment and ultrasonic extraction; performing centrifuging to obtain a precipitate and a liquid, and collecting the liquid to obtain a first intermediate; performing supercritical extraction on the precipitate, and collecting the obtained extract to obtain a second intermediate; and mixing the first intermediate with the second intermediate, and concentrating the obtained mixture to obtain the Cordyceps militaris extract. The preparation method can quickly and effectively improve active components in the extracted Cordyceps militaris and reducethe damages to the active components in the extraction process. The Cordyceps militaris extract prepared by the preparation method has high content of cordycepin, cordyceps polysaccharides and adenosine, and has remarkable antitumor activity and uric acid lowering effect.

The present invention discloses a folium perillae active ingredient containing beverage which comprises the following components: 25%-30% of folium perillae extract, 6%-7% parts of white granulated sugar, 0.1%-0.13% of sodium chloride, 0.45%-0.55% of citric acid sodium, 0.2%-0.3% of sodium phosphate, 0.65%-0.75% of sodium isobutyl vitamin C, 0.003%-0.005% of ethyl maltol, 1.8%-2% of fructose-glucose syrup, 0.07%-0.09% of citric acid and the balanced water. The preparation steps are as follows: raw materials cleaning, soaking and extracting, blending, filtrating, filling and sterilizing. The folium perillae active substances are extracted by treating the folium perillae with a combination of microwave, enzymes and hot water, the extraction rate is high in the folium perillae and the flavoured substances of the folium perillae are well preserved. The folium perillae active ingredients containing beverage has pure taste, better maintains the original flavour of folium perillae, and has high contents of polyphenols and flavonoids, and good nutritional value.

The invention provides a special organic fertilizer for a Kiwi berry and a preparation method thereof, belonging to the field of organic fertilizer. The special organic fertilizer is prepared from the following raw materials: kitchen waste, soybean straw, cassava waste, bamboo charcoal, a composite microbial agent, humic acid, montmorillonite and sulfur powder, wherein the raw materials are scientifically proportioned according to the nutritional demands of Kiwi berry. The preparation method comprises the following steps: fermentation of the raw materials; mixing of the sulfur powder and bamboo charcoal; and preparation of a finished product, i.e., the special organic fertilizer. The special organic fertilizer for Kiwi berry has high biological activity, good absorption performance and long-lasting fertilizer efficiency and is capable of effectively improving the rhizosphere environment of the Kiwi berry. Moreover, through integrated action of fertilizer-efficiency elements and microbes, the fertilizer can prevent chlorosis and canker of the Kiwi berry and improve the output and quality of the Kiwi berry.

The invention discloses a preparation method of an all-fiber degradable composite material, which comprises the following steps: 1) raw material pretreatment: drying fiber solid waste, and pulverizing to obtain fiber solid waste powder; 2) high-speed mixing: uniformly mixing the fiber solid waste powder, an esterifying agent and a catalyst in a mixing machine to obtain a reactant mixture; 3) mechanical activation solid-phase reaction: adding the reactant mixture into a mechanical activation reactor to carry out solid-phase reaction, thereby obtaining an esterification modified fiber; 4) high-speed mixing: carrying out high-speed mixing on the esterification modified fiber and long fiber reinforcer to obtain a mixture; and 5) putting the mixture into a mold, and carrying out hot pressing on a flat vulcanizing machine under the conditions of certain temperature and pressure to prepare the all-fiber composite material. The solid-phase reaction is adopted to overcome the defect in the solvent process, and the mechanical activation reinforced solid-phase esterification is adopted to prepare the thermoplastic plant fiber, so that the method has the advantages of simple technique, no pollution, low cost and the like and is simple to operate.

The invention discloses an efficient composite inorganic antibacterial agent and a preparation method thereof, belonging to the technical field of nanomaterial preparation. The efficient composite inorganic antibacterial agent comprises the following components in parts by weight: 100 parts of palygorskite, 30-50 parts of a photocatalytic material, 3-5 parts of graphene, 2-8 parts of metal oxide and / or metal salt and 0.5-2 parts of polyquaternium. Palygorskite with a multi-channel structure is used as a carrier and undergoes microcosmic nanometer compounding with the graphene, so a palygorskite carrier and graphene can be kept in a highly dispersed state in the processing and using processes; meanwhile, the photocatalytic material with an antibacterial effect, the metal oxide and the metalsalt are added so as to prepare the novel composite inorganic antibacterial material with multiple synergistic functions including photocatalysis, electron migration wall breaking and metal ion antibiosis; and the contact area of antibacterial active components and bacteria can be increased through good dispersity of the agent, the antibacterial effect is achieved through synergism of the antibacterial components, and therefore, the effects of killing bacteria and efficiently inhibiting bacterial reproduction are achieved.

The invention discloses a Dendrobium officinale refined polysaccharide extract and an application thereof. A preparation method of the polysaccharide comprises the following steps: adding petroleum ether into Dendrobium officinale powder, carrying out reflux extraction, filtering the obtained mixture, and discarding the obtained filtrate to obtain a filter residue A; adding a 80% ethanol solutioninto the filter residue A, carrying out reflux extraction, filtering the obtained solution, discarding the obtained filtrate, adding water into the obtained filter residue, carrying out reflux extraction, filtering the obtained solution, collecting the obtained filtrate, mixing the obtained filtrates, and carrying out reduced pressure concentration to obtain a concentrate; adding a sevage reagentinto the concentrate to perform deproteinization in order to obtain a deproteinized crude polysaccharide concentrate; adding anhydrous ethanol to the crude polysaccharide concentrate, standing the obtained system, centrifuging the system, and collecting the obtained precipitate; dissolving the precipitate in distilled water, and performing vacuum freeze drying to obtain crude polysaccharide; and separating and purifying the crude polysaccharide by sequentially adopting anion exchange resin and Sephadex resin, and carrying out vacuum freeze drying to obtain the Dendrobium officinale refined polysaccharide. The polysaccharide extract obtained in the invention is applied to the preparation of a medicine for treating colon cancer.

The invention provides a pig feed additive capable of preventing and treating porcine respiratory syndromes and epidemic diarrhea. The pig feed additive capable of preventing and treating the porcine respiratory syndromes and epidemic diarrhea is composed of the following ingredients: compound plant extracts, fermented Chinese herbal medicine powder, a clostridium butyricum preparation, polygala root powder, and radix polygonati officinalis powder. The pig feed additive is capable of effectively preventing and treating the respiratory syndromes caused by bacteria and viruses, as well as effectively preventing and treating epidemic diarrhea of the pigs; moreover, the pig feed additive is safe, non-toxic, relatively small in addition amount, stable in quality, and capable of effectively improving breeding efficiency.