48results about How to "Complete ratio" patented technology

The invention discloses a mixed feed for sea-bass fish and a preparation method thereof. The mixed feed is made from the following raw materials in parts by weight: 35 to 45 of insect powders, 20 to 30 of a compound fermented material, 0.5 to 1 of fish oil, 10 to 20 of flour, 1.5 of calcium dihydrogen phosphate, 2 of a vitamin-mineral salt mixture, and 0.5 of choline chloride, wherein the compound fermented material is a fermented product of castor cake, rape cake and cotton cake with compound dry microbial inocula. The mixed feed is prepared by the steps as follows: mixing castor cake, rape cake and cotton cake according to a weight ratio of 1:1:1, and adding the compound dry microbial inocula composed of at least two of lactic acid bacteria, saccharomycetes, bacillus and geotrichum candidumlink strain for fermentation 2-24h, wherein the additive amount of the compound dry microbial inocula is 1% of the total weight of the fermentation raw material; and thoroughly mixing the raw materials, compounding, pelletizing and oven-drying to obtain the final product. The preparation method is simple and low in cost. The mixed feed for sea-bass fish is good in palatability and nutrition and can enhance disease resistance and stress resistance of sea-bass fish.

The invention relates to a low-lactose liquid milk product containing fish oil and a production method thereof. The low-lactose liquid milk product containing fish oil is prepared from the following materials in parts by weight: 700.0-999.74 parts of cow milk, 0.1-12 parts of fish oil, 0-30 parts of oligosaccharide, 0-100 parts of dietary fiber, 0-3 parts of nutrients, 0.05-5 parts of lactase, 0-10 parts of an emulsifier, 0-5 parts of a thickener, 0-1 parts of an acidity regulator, 0.01-1 part of an antioxidant, 0-5 parts of edible essence, and the balance of pure water. According to the fish oil-containing low-lactose liquid milk product and the production method thereof, the stability problem of the fish oil in the liquid milk product is successfully solved by reasonably screening the proportion of various components, and the product taste and the content of the nutrients are stable within a shelf life. The high nutritional value of the product can satisfy the nutritional needs of the children, the youngsters, the office workers and the middle aged and elderly people, so the low-lactose liquid milk product containing fish oil has a strong market prospect of sale.

The invention discloses a polymorphic nitro-compound fertilizer, relating to the technical field of agricultural fertilizers. The polymorphic nitro-compound fertilizer comprises the following raw materials in parts by weight: 30-150 parts of urea, 160-600 parts of nitramine phosphorus, 0-120 parts of ammonium sulfate, 180-250 parts of potassium sulphate, 100-200 parts of monoammonium phosphate and 1-10 parts of medium and micro fertilizers. The polymorphic nitro-compound fertilizer is produced by mixing, granulating and cooling the raw materials. The polymorphic nitro-compound fertilizer adopts scientific proportion, has complete nutrition, can continuously nourish crops at gradient so as to be more beneficial to the full absorption of the vegetable crops, and can remarkably promote the growth and high and stable yield of the crops, thus having strong market competitiveness.

The invention relates to an expanded feed premix for a Parabramis pekinensis as well as a preparation method and an application for the expanded feed premix. The expanded feed premix consists of compound vitamins, compound trace elements and other functional additives. The compound vitamins comprise vitamin A acetic ester, vitamin D3, vitamin E acetic ester, vitamin K3, vitamin B1 and the like. The compound trace elements comprise ferrous sulfate, magnesium sulfate, copper glycine, zinc methionine, manganese glycine and the like. The other functional additives comprise DL-methionine, L-lysine, mannan oligosaccharide, maltooligosaccharide and selenium-enriched yeast. The expanded feed premix for the Parabramis pekinensis provided by the invention is added to a complete feed for the Parabramis pekinensis in a 1% proportion of weight percentage during feeding. The expanded feed premix provided by the invention is scientific in proportioning and comprehensive in nutrition, and loss of nutritional materials caused by an expanded process of the feed can be supplemented, so that a weight increment rate of the Parabramis pekinensis is remarkably improved, and a bait coefficient is reduced, and the expanded feed premix has a remarkable growth-prompting effect, and is safe in long term use, and has no toxic and side effects.

The invention relates to a compound cake emulsifying powder agent. The comprised constitution and weight proportion are as follows: high-HLB sucrose ester 10-22%, adjuvant emulsifying agent 5-16, preservative 0.5-2%, and filling agent 60-80%. The invention makes use of the principle that the high HLB sucrose ester can be used at room temperature and the emulsifying performance and hydratability are quite good, and combines it with adjuvant emulsifying agent and edible gel, and filling agent to produce flow compound cake emulsifying powder agent. Said product can be directly used for cake production, increases cake fermentation speed, increases cake size and softness, and prolongs preservative period, and it is easy for measurement. The raw materials can be combined with flour to meet demand for automatic industrial continuous production.

The invention discloses an organic fertilizer fermentation inoculant and application. The inoculant is composed of a primary fermentation inoculant body and a secondary fermentation inoculant body. The primary fermentation inoculant body comprises bacillus subtilis, bacillus licheniformis, trichoderma viride, aspergillus oryzae, pseudomonas, trichoderma koningii, geotrichum candidum, long spiny shells, ascomycetes, thermomyces lanuginosus and thermobifida fusca. The secondary fermentation inoculant body comprises halophilic bacteria, alkalophilic bacteria, azotobacter chroococcum, bacillus megatherium, streptomyces griseus, bacillus thuringiensis, brevibacillus laterosporus and bacillus mucilaginosus. Time for fermenting organic fertilizer with cow dung as the raw material can be effectively shortened, and diseases and insect pests in the fertilizer can be eliminated. Meanwhile, alkalophilic bacteria and bacillus thuringiensis are added so that the fermentation inoculant can adapt to saline-alkali soil and can prevent diseases and insect pests of plants, and the prepared organic fertilizer can improve the soil structure, reduces the salt content and the pH value in soil, improves soil fertility and is particularly beneficial to improvement of saline-alkali soil.

The invention discloses comprehensive nutrition powder and a preparation method thereof. The preparation method comprises the following steps: (1) removing impurities: selecting naturally air-dried corn, carrying out impurity removal more than twice; (2) moistening with water; (3) carrying out decortication and degerm; (4) crushing; (5) puffing; (6) milling; and (7) carrying out flour blending. The prepared comprehensive nutrition powder has the advantages of reasonable combination, comprehensive amino acid nutrition, and fine and smooth mouthfeel. The preparation method is simple and effective, and is especially suitable for industrial mass production.

The invention discloses a soil activating powder. The soil activating powder comprises the following components in mixing proportion and in parts by weight: 71-90 parts of organic leavening, 30-35 parts of cane sugar residues, 36-40 parts of green straw powder, 2-6 parts of potassium ore powder, 4-9 parts of phosphorus ore powder, 5-11 parts of calcium chloride, 5-7 parts of natural potash magnesium sulphate fertilizer, 3-5 parts of red sulfur photosynthetic bacteria, 12-20 parts of cellulose, 12-15 parts of xanthan gum, 17-25 parts of humic acid, 0.21-0.25 part of a PH buffer agent, 0.55-0.85 part of a soil disinfecting agent and 2-6 parts of urea. The soil activating powder disclosed by the invention is low in cost, raw materials are easy to obtain, and the soil activating powder is simple to use; the product of the soil activating powder not only can effectively improve a soil structure, activate microorganisms in the soil and improve soil fertility, but also can improve the water retention and fertilizer retention capacity of the soil, promote the formation of soil aggregates and improve the rainfall erosion resistance.

The invention provides zinc-supplementation chocolate for children, and relates to the technical field of foods. The chocolate is prepared from the following components in percentage by mass: 50-80 percent of cocoa butter, 10-30 percent of cocoa liquor, 0.1-10 percent of zinc proteinate, 1-10 percent of cane sugar, 0.1-3 percent of ganoderma lucidum spores oil, 0-0.5 percent of ginseng total saponin, and 0-0.3 percent of amino acid. The chocolate is low in fat content, excellent in taste, rich in nutrition, reasonable in component proportion and good in absorption rate, does not have side effect, is suitable for children, can provide enough zinc element to growth and development of children, and can improve the immunity of children.

The invention relates to a natural drink, namely compound pin leaf and ganoderma tea, and a making method thereof. The compound pin leaf and ganoderma tea is mainly prepared by mixing 15 percent of pin leaf, 40 percent of ganoderma applanatum, 10 percent of fuscoporia punctata, 5 percent of phellinus pini, 10 percent of phaeoporus obliquus, 10 percent of trametes versicolor and 10 percent of Daxin bitter butyl tea. The making method comprises the following steps of: primarily processing raw materials; weighing and grinding; sterilizing by using steam, and drying in the sun; mixing and quantitatively bagging; performing vacuum packaging; and sterilizing by using steam and drying in the sun to obtain the finished product. During use, a vacuum bag is opened, a filter paper tea bag is put into a pot, boiling water is poured into the pot, and the tea can be drunk. If the tea is frequently drunk, the tea can strengthen the immunity of a human body, improve the disease resistance and diseasecuring capacity of the human body, promote metabolism, and ensures that a user is healthy and the life of the user is prolonged.

The invention relates to the technical field of food processing and specifically discloses red sour soup and a preparation technology thereof. The red sour soup is prepared from the following components in parts by weight: 40-60 parts of tomato, 4-6 parts of fermented chilli, 0.5-1.5 parts of edible salt, 0.4-0.6 part of rock candy, 0.2-0.3 part of liquor, 0.2-0.3 part of litsea pungens and 0.05-0.15 part of Sichuan pepper. The preparation technology of the red sour soup comprises the following steps: (a) preparation of raw materials; (b) cleaning of the raw materials; (c) pickling; (d) fermentation; (e) breaking and pulping; (f) flavoring; (g) filling and sterilizing. The red sour soup and the preparation method thereof disclosed by the invention has the following advantages: the red soursoup has a bright color; due to long fermentation time, the taste of the red sour soup is pure; by adding the litsea pungens, unique flavor and comprehensive nutrition are realized; moreover, throughappropriate proportioning, the red sour soup has the medicinal functions of expelling cold, easing pain, invigorating stomach, diminishing fullness and the like.

The invention discloses a lily aqueous emulsion fertilizer.The lily aqueous emulsion fertilizer is prepared from cow dung, duck dung, saw dust, seaweeds, earthworm powder, waste food, mushroom residues, oceanospirillales powder, rice straw, corn straw, bran, highland barley straw, medical stone, oil shale, coal gangue, ground phosphate rock, potassium mineral, decomposed coal, humic acid, nitrogen phosphorus and potassium fertilizer, copper sulfate powder, zinc sulfate powder, borax powder, ferrous sulfate, potassium nitrate, ammonium phosphate, nikkomycin powder, enzyme microorganisms and water.The lily aqueous emulsion fertilizer is rich in nutrition, nutrients are easy to absorb, the nutrition demands of lily in the whole growth stage can be met, the yield of lily can be effectively increased, and quality of lily can be effectively improved.

The invention relates to a preparation method of a charged Bi2O3@RGO nanorod compound structure. The method comprises the steps that soluble bismuth salt is dissolved in an acid solution to form a colorless transparent solution; ultrasonic dispersion is conducted on graphene oxide in deionized water to form a solution; the graphene oxide solution is added to the colorless transparent solution, and the solution is changed into a black mixture; thioacetamide is added to the black mixture, and standing is conducted; black flocculent precipitation is generated at the bottom and the side wall of a beaker, the precipitation is repeatedly washed through deionized water till the pH value is seven, and then the precipitation is dispersed in a hydrazine hydrate solution with certain concentration and stirred; centrifugal purification is conducted on a reaction precipitation product, the purified product is washed through ethyl alcohol and deionized water and dried in a vacuum drying oven, and the obtained product is the charged Bi2O3@RGO nanorod compound structure. The preparation method of the charged Bi2O3@RGO nanorod compound structure has the advantages that the preparation process is simple and does not need to be supported by large expensive instruments, and the prepared charged Bi2O3@RGO nanorod compound structure has good electrochemical property.

The invention relates to the technical field of feed production methods, and particularly relates to a production method of a novel river crab feed, comprising the following components by weight percent: 15-20% of fish meal, 20-25% of flour, 25-30% of bean pulp, 6-8% of an attractant, 4-8% of squid powder, 7-10% of shrimp shell meal, 3-4% of immune polysaccharide, 5-6% of shelling element, and 5-6% of vitamin. According to the physiological function and nutritional requirement of the river crab in different growth stages, quality raw materials are selected, various nutrient elements are added in a balanced way, the raw material ratio is scientific, and thus the novel river crab feed has the characteristics of being comprehensive in nutrients and enhancing the immunity and effectively promotes the healthy growth of the river crab. Furthermore, the feed has good adhesiveness and is high in stability in water and is not easy to scatter, thus effectively reducing loss of the feed in water, reducing waste and providing good water environment for the river crab. Aiming at the ingestion characteristics of the river crab, the feed is added with natural attractants, thus having the advantages of being good in palatability, strong in attracting capability and quick to digest, and improving the delivery standard and uniformity.

The invention discloses a blended fertilizer containing seaweed extract as well as a preparation method and application of the blended fertilizer, and belongs to the technical field of blended fertilizers and preparation thereof. The blended fertilizer is prepared from the following raw materials in parts by weight: 100-160 parts of seaweed extract, 190-250 parts of urea, 400-460 parts of diammonium phosphate, 80-150 parts of potassium chloride and 70-130 parts of medium trace element particles, wherein the seaweed extract is obtained by extracting seaweed active substances from seaweed cellsby using a biological enzyme method, and the medium trace element particles are prepared by mixing boron, zinc, calcium oxide and magnesium oxide and extruding the mixture. According to the present invention, the seaweed extract is adopted as the raw material, such that the rich minerals and the rich trace elements in the seaweed are substantially retained, the soil cannot be damaged, the purposesof formulated fertilization and reasonable fertilizer use can be achieved, and the effects of soil structure improving and crop growth and development promoting can be provided.

The invention provides a blended fertilizer. The blended fertilizer is composed of urea, ammonium dihydrogen phosphate, ammonium sulfate, potassium sulfate, potassium nitrate, boric acid, zinc sodium tetraacetate and a flavoring bag, wherein the flavoring bag comprises a chelating agent, a complex enzyme, fulvic acid and seaweed extract. Every 1500 kg of the finished blended fertilizer is composed of 162.5 kg of urea, 296 kg of ammonium dihydrogen phosphate, 100 kg of ammonium sulfate, 60 kg of potassium sulfate, 366 kg of potassium nitrate, 9 kg of boric acid, 3.5 kg of zinc sodium tetraacetate, 50 kg of the chelating agent, 100 kg of the complex enzyme, 273 kg of fulvic acid and 80 kg of seaweed extract. The blended fertilizer provided by invention adopts three major ecological chain technologies and utilizes organic carbon for chelation with residual salt in soil, so the root systems of crops are well developed, the quality and appearance of fruit are improved, the purposes of increasing yield and increasing the income of farmers are achieved, and the problems of soil acidification, soil hardening, soil-borne diseases and the like are overcome. Thus, the blended fertilizer has good promotion value.

The invention relates to health-care noodles with a liver protecting function and a preparation method thereof. The health-care noodles are prepared from following raw materials in parts by weight: 1-5 parts of lentinus edodes, 2-6 parts of crataegus pinnatifida bunge, 3-7 parts of medlar and 82-86 parts of wheat flour. According to the health-care noodles, three medicinal materials including the lentinus edodes, the crataegus pinnatifida bunge and the medlar can be used as condiments so that the taste of the noodles is improved and the prepared noodles are delicious in taste and are tasty and refreshing; a phenomenon that the effects of all the medicinal materials are changed and lost by medicine compatibility due to that too many medicinal materials are selected is avoided; meanwhile, the discomfort of other parts of a body, caused by taking too many medicinal materials, is avoided; the health-care noodles with the liver protecting function have the characteristics of abundant nutrition, reasonable medicinal material matching, low cost, simple production process and delicious taste; the health-care noodles are tasty, fine and smooth, are not turbid after being boiled for long time and are not broken; the health-care noodles have the effects of nourishing and protecting the liver, enhancing the immunity, improving the eyesight and dispelling the wind, are suitable of people with liver diseases or who drink for long time or who easily get angry to eat and do not cause damages to other parts of the human body after being eaten for long time.

The invention discloses special cream powder for yolk pie. The special cream powder is prepared from the following raw materials: olive oil, germ oil, Morocco nut oil, yolk powder, isomaltulose, skim milk powder, corn starch, soybean phospholipid, protamine and water. The special cream powder for yolk pie disclosed by the invention has the advantages of scientific proportioning, abundant nutrition, easiness in absorption, rich unsaturated fatty acids and less than 30% of fat and has the functions of promoting gastrointestinal functions, detoxifying for beauty, preventing and treating cardiovascular and cerebrovascular diseases, enhancing immunity and resisting oxidation, aging and tumor; through twice low-temperature homogenization, the cream mouthfeel is delicate, and layering is avoided; after the homogenization, low-temperature ultrasonic treatment is performed, the plasticity and smearing property are improved, and the working efficiency is increased; the extraction time of the corn starch is shortened by 1 / 5, the powder yield is increased by 16%, and the cost is obviously saved; the cream is made into powder which is subjected to ultrahigh-pressure low-temperature sterilization and can be stored for 180 days at normal temperature, thus the cost is reduced, and the cream powder is convenient to use; moreover, the preparation process of the yolk pie is accelerated, and the mouthfeel is similar to that of a real yolk.

The invention is applied to the field of edible fungus cultivated species preparing, in particular to a method for preparing an edible fungus cultivated species with corn cobs being a main material. The method comprises the steps of preparing raw materials, designing a composition, stirring materials, conducting bagging, conducting sterilization under normal pressure, cooling the material bag to 30 DEG C or below, culturing hyphae, and when the hyphae are grown all over bags, immediately using or storing the edible fungus cultivated species. The cultivation raw materials are prepared from, 54.2-69.5% of the corn cobs, 10-15% of cottonseed hull, 10-15% of bran, 5-8% of millet bran, 3-5% of soybean meal, 1% of lime powder, 1% of gypsum powder, 0.3-0.5% of monopotassium phosphate and 0.2-0.3%of fulvic acid raw powder. With the corn cobs being the main material, the selected raw materials are reasonable in ratio and are rich, nutrients are comprehensive, compared with a compost monotonousin variety, the compost can meet growth requirements of most edible fungus cultivated species simultaneously, and the technology is simple in production and is conveniently grasped and utilized by auser.

The invention discloses a formula of Korean pine nut kernel and blueberry fruit composite high-energy weariness-resistant nutrient for emergency rescue staff. The formula is reasonable in compoundingratio and rich in nutrients, can sufficiently meet energy and nutrient requirements of emergency rescue heavy-physical-strength staff. According to the beverage, Korean pine nut kernels and blueberryfruits are used as raw materials, and each bag of the Korean pine nut kernel and blueberry fruit composite high-energy weariness-resistant nutrient (under the condition that the Korean pine nut kerneland blueberry fruit composite high-energy weariness-resistant nutrient is brewed with 200ml of water) can provide 600Kcal of heat quantity, and energy comprises 30-40% of protein, 20-30 % of fat, 35-45% of carbohydrate and 3-6% of vitamins. In order to meet nutrient requirements of the emergency rescue staff, in combination with body characteristics of heavy-physical-strength staff, the energy supply ratio of quality protein is increased, the energy supply rate of the carbohydrate is reduced, the vitamin content is increased appropriately, and the Korean pine nut kernel and blueberry fruit composite high-energy weariness-resistant nutrient has the advantages in the respects of nutrients, palatability, portability and the like, can be used for quickly supplementing and restoring the physical work capacity of the emergency rescue staff under the heavy-physical-strength operation, can achieve the effects of strengthening the immunity of organisms and resisting weariness under high-strength working environment, and can also be used as daily physical strength supplement foods for crowds working in special extreme environment for a long term.

The invention discloses a traditional Chinese medicine preparation for treating peptic ulcer. The traditional Chinese medicine preparation comprises the following raw materials in parts by weight: 12-18 parts of folium isatidis, 8-12 parts of coptis root, 3-8 parts of herba andrographitis, 8-12 parts of loropetalum chinense, 8-12 parts of ox horn bone, 6-9 parts of panax notoginseng, 3-8 parts ofcuttlebone, 3-8 parts of ginseng, 3-8 parts of codonopsis pilosula and 8-12 parts of amomum cardamomum. The traditional Chinese medicine preparation is compounded by the ten traditional Chinese medicines; the raw materials are rich in source; proportions of the traditional Chinese medicines in a formula are reasonable; the traditional Chinese medicine preparation has a treatment effect on the peptic ulcer and effects of clearing away heat, eliminating dampness, purging fire for removing toxin, killing and inhibiting bacteria, arresting acid regurgitation, alleviating a pain, nourishing blood,tonifying qi and strengthening the spleen and the stomach; the treatment time is short; the preparation is easily taken by patients; and the recurrence possibility is low after treatment. At the sametime, the invention further provides a method of preparing the traditional Chinese medicine preparation. The method is simple to operate, high in extraction efficiency and short in extraction time.

The invention discloses a full-price compound pig feed and its preparation method and application. It includes main ingredients and auxiliary materials, and is characterized in that it consists of the following components in parts by weight: main ingredients: 350-450 parts of corn, 100-120 parts of secondary powder parts, bran 140-160 parts, cotton meal 55-65 parts, wheat DDGS? 35-45 parts, 20-25 parts of zeolite powder, 10-12 parts of calcium carbonate, 20-25 parts of zeolite powder, 3.8-4.5 parts of table salt, 0.8-1.2 parts of lysine, 180-220 parts of rice bran meal; of which: the main The crude protein value (CP%) requirements in the material are as follows: corn 7-10, secondary flour 12-15, bran 4.5-5.5, cotton meal 40-42, wheat DDGS? 36-40; another calcium carbonate Ca content 38%; excipients: 1.8-2.2 parts of premixed medicine. It can effectively increase the daily gain of growing and finishing pigs, allowing the pigs to grow faster and enter and exit the slaughterhouse in advance; the feed consumption is low, and the feeding coefficient is low, which can greatly improve the breeding efficiency of pig farms.

The invention discloses a tartary buckwheat crisp high-fiber biscuit. The biscuit comprises main raw materials and ingredients, wherein the main raw materials comprise the following components in percentage by weight: 5%-20% of tartary buckwheat sugar lees powder, 50%-70% of flour, 0%-5% of medicinal and edible homologous powder and 0%-5% of fruit and vegetable powder; wherein the tartary buckwheat sugar lees powder is combined with steel mill activation-high pressure cooking. The tartary buckwheat sugar lees powder, the medicinal and edible homologous powder and the fruit and vegetable powderare scientifically and reasonably proportioned, so that content of active components is improved, physiological effect of the biscuit is further exerted, water-holding capacity of the biscuit is improved, fat and calorie in the biscuit are reduced, meanwhile, effects of reducing three heights, preventing cardiovascular diseases, slimming and the like are achieved, and the biscuit can be endowed with attractive color, fruit and vegetable fragrance and crisp taste.

The invention relates to a hopper cover capable of preventing dust from escaping. The hopper cover is circular, and comprises an outer surface and an inner surface. The hopper cover is characterized in that three charge holes which comprise a left charge hole, a right charge hole and a central charge hole are formed in the hopper cover, wherein the charge holes penetrate through the inner surfaceand the outer surface; an iron rod is welded on the outer surface; two dust outlets are formed in the outer surface; two crescent-shaped dust bins are arranged on the inner surface; the outer edge ofthe dust bin is equipped with a plurality of arc-shaped long holes; and the dust outlet in the outer surface is communicated with the dust bin. In a dust extraction process, dust can be extracted moreuniformly through the arc-shaped long holes, so that dust processing efficiency and dust quality are improved; and meanwhile, three charge holes are formed, so that dust proportion is more various.

The invention relates to an anti-microbial and anti-virus fresh ginger solid beverage and a preparation method thereof. The solid beverage is prepared from the following raw materials in parts by weight: 500-520 parts of fresh ginger, 0.1-0.15 part of ascorbic acid, 40-45 parts of maltodextrin, 60-70 parts of folium cortex eucommiae, a proper amount of 70% ethanol solution, 15-20 parts of glucose, 10-15 parts of saccharomycetes, 10-15 parts of acetic bacteria, 15-20 parts of beta-dextrin, 50-60 parts of soybeans and the like. The anti-microbial and anti-virus fresh ginger solid beverage is a solid beverage mainly prepared from the fresh ginger, and meanwhile, powder prepared from blueberries, soybeans and the like is added, so that the protein content and the vitamin content of the solid beverage are increased, and the nutrients are enriched; and by adding traditional Chinese medicine extracts such as radix bupleuri, scutellaria baicalensis, houttuynia cordata, radix astragali and the like, the solid beverage has the efficacies of resisting bacteria and diminishing inflammation as well as resisting viruses.