102 results about "Amylodextrin" patented technology

The invention relates to biocompatible modified starch sponge and use of the biocompatible modified starch sponge as a hemostatic material, an anti-adhesion material, a material for promoting tissue healing, a surgical sealant or a wound tissue adhesive. Modified starch is one or a combination of more than one among pre-gelatinized starch, acid modified starch, dextrin, oxidized starch, esterified starch, etherified starch, crosslinked starch, grafted starch and composite modified starch. The sponge is prepared by vacuum freeze drying of the modified starch and other biocompatible hemostatic material, coagulant, plasticizer and so on. The biocompatible modified starch sponge has the advantages that the biocompatible modified starch sponge has flexible form and good biocompatibility, can be directly acted on bloody wound surfaces, avoids the conditions of hypersusceptibility, infection and difficult healing of wounds caused by adoption of hemostatic materials such as animal source / human source collagens, obviously improves the water absorption speed, has larger viscosity, forms a zymoplastic mixture which has good adhesion, calks broken tissues and blood vessels, and is used for hemostasis of active hemorrhage.

It relates to a bait formulation for killing blackbeeles. The drug comprises acephate and feedstuff. The feedstuff comprises fly maggot powders and shallot juice, including acephate 1.2í½2 parts, brown sugar brown sugar 20í½30 partsú¼ cooked soya powder 22í½30 partsú¼gelatinized flour 18í½25 parts, fly maggot powder 4í½10 partsú¼shallot juice and amylodextrin. In the invention, fly maggot and shallot juice are as the fist blackbeel attractant.

The invention provides a seed treating agent capable of shortening germination time of insect-resistant cotton seeds. The seed treating agent is prepared from, by weight, 90-110 parts of spring water, 1.5-2.5 parts of tea saponin, 1-2 parts of purple sweet potato anthocyanin, 1-2 parts of compound sodium nitrophenolate, 1.5-2.5 parts of table salt, 4-6 parts of alanine, 3-5 parts of monopotassium phosphate, 1.5-2.5 parts of highland barley wine, 1.5-2.5 parts of alga micro-powder, 1-2 parts of portulaca oleracea extract, 1.5-2.5 parts of armoise commune ash, 0.4-0.6 part of polydextrose, 0.4-0.6 part of glyceryl behenate, 1-2 parts of witch hazel extract, 0.4-0.6 part of neutral protease, 1.5-2.5 parts of amylodextrin, 1-2 parts of garlic extract, 1.5-2.5 parts of gibberellin, 0.4-0.6 part of potassium permanganate and 0.4-0.6 part of potassium sorbate. A method is simple, actual operation is convenient, the treating fluid capable of shortening germination time has the effects of quick sterilization and seed softening within short time, the influences of bacteria and the like on seed germination are avoided, and meanwhile the seeds can be stimulated to quickly germinate in proper environments.

The invention relates to novel bypass histidine as well as a preparation method and application thereof. The novel bypass histidine consists of two parts of coatings and coated cores, wherein the coatings are made from bypass fatty powder; the coated cores are granules prepared from an active component namely histidine and auxiliary materials; and the auxiliary materials consist of first auxiliarymaterials and second auxiliary materials, wherein the first auxiliary materials are calcium stearate or silicon dioxide, and the second auxiliary materials consist of starch, dextrin and sodium carboxymethyl cellulose. According to the novel bypass histidine disclosed by the invention, the milk yield of cows can be increased, the ration protein can be saved, and the grain of grazing lands can begreatly increased.

The invention discloses a maple knotweed intestine wei kang dispersible tablet and process for preparation, containing maple knotweed extract and medicinal findings. The proportioning is that maple knotweed extract is 100 parts, the usage of medicinal finding disintegrating agent is 2 to 50 parts, and the usage of medicinal finding filling agent is 5-100 parts, wherein the disintegrating agent is selected from at least one of microcrystal cellulose, cross linked polyvidon, sodium carboxymethylstarch, and low-substituted hydroxypropyl cellulose and cross linked carboxymethyl cellulose sodium. The filling agent is selected from at least one of compressibility starch, starch gum, milk sugar lactose, microcrystal cellulose, and manna sugar. The knotweed intestine wei kang dispersible tablet has the advantages of excellent dispersed state, short disintegration time, quick medicine dissolving, high biology availability, convenient intake, simple medicament arts, low producing cost, and convenient storage and transportation, and does not need vacuum refrigeration, dehumidification, and special package.

The invention aims to solve the problem of difficulty in filtration due to starch pasting when components such as phytic acid and dietary fiber in rice bran meal subjected to high-temperature extrusion stabilization and solvent method deoiling are industrially separated, amylodextrin is degraded at a low temperature by adopting amylase, and thus the filter characteristic of the defatted rice bran meal is improved; and on the basis, the phytic acid and the dietary fiber in the rice bran meal can be continuously separated. The main characteristic is that high-viscosity rice bran dextrin is degraded at a temperature of less than the rice bran starch pasting temperature by adopting a medium-temperature or high-temperature alpha amylase, and the situation that filter cloth is blocked in a subsequent separating process to seriously influence the whole separation process can be avoided on the premise that the rice bran starch is not excessively degraded.

The invention relates to a health-care food containing fruit of nitraria red pigment. The food is prepared from the following components in parts by weight: 10-100 parts of fruit of nitraria red pigment, 10-100 parts of tomato red pigment, 10-100 parts of lycium ruthenicum anthocyanin, 10-100 of wall-broken pollen, 5-50 parts of polysaccharides of four fungi and 5-50 parts of source algae by add plant polysaccharides or amylodextrin by a conventional method, and then tabletting into chewable tablets under the condition of 80-100 kilonewton by sequentially granulating, drying at the temperature of 40-50 DEG C, and straightening, wherein the addition amount of plant polysaccharides or amylodextrin is less than or equal to 5 percent. The raw materials of the health-care food are easily obtained, and the health-care food is easily implemented industrially, has the auxiliary efficacy of improving prostatic hypertrophy, hyperplasia and dropsy of men, and has no harmful effect.

The invention belongs to the field of pharmaceutical preparations and particularly relates to a tilmicosin film-controlled enteric-coated sustained release preparation. The preparation comprises an inner core layer and a film coating layer. The inner core layer comprises raw tilmicosin powder and an inner core layer auxiliary material. The inner core layer auxiliary material comprises two or more of starch, dextrin, sucrose, microcrystalline cellulose, povidone, methylcellulose, hydroxypropyl methylcellulose, hydroxyethylcellulose, xanthan gum, chitin and sodium alginate. The preparation method has a low material loss and a high yield. The tilmicosin film-controlled enteric-coated sustained release preparation masks the bitter taste of tilmicosin, greatly improves the palatability of tilmicosin, cannot be dissolved in a stomach dissolution rate determination test, only collapses and releases in an alkaline environment in the intestine, significantly improves the drug efficacy and reduces the clinical dosage of drugs.

The invention provides a production method of an antiobesity drug and antiobesity granules. The antiobesity drug consists of Artemisia argyi, hawthorns, semen cassiae, coix seeds, wolfberry, oriental wormwood, onions, cucumbers and liquorice. The antiobesity granules are prepared by adopting the following steps of mixing and pulping the onions and the cucumbers, extracting, filtering, concentrating, drying and grinding to obtain extraction powder; mixing and grinding the residual components and then adding into water, carrying out reflux extraction twice, filtering, mixing two supernates, concentrating at reduced pressure, carrying out spray drying on the concentrated solution to obtain a mixed extract after drying; mixing the extraction powder with the dried mixed extract to obtain an another mixed extraction powder; and mixing amylodextrin, water and the mixed extraction powder, pressing cakes, pelleting, and drying to obtain the antiobesity granules. The antiobesity drug is prepared by compounding raw materials which are in homology of medicine and food according to a certain proportion, can take a weight-losing effect through promoting blood circulation to remove blood stasis and reducing triglyceride, blood sugar, beta lipoprotein and the like in the blood, and can treat obesity.

The invention relates to a method for producing high proteined feedstuff by sugar grains fermentation which comprises, utilizing saccharifying enzyme, pectolase and phytase, to degrade amylodextrin, pectine and phytic acid in the sugar draff liquid, then utilizing yeast accretion to consume sugar, ash and inorganic salts in the fermented solution. The preparing process comprises the steps of raw material selection, phytic acid degradation, pectine degradation, amylodextrin degradation, saccharomycete activating, fermentation and culture, finally separating and drying.

The invention relates to a product produced by fish product leftovers and low value little fish. The product is characterized in that the product is food, a method for producing the product comprises the following steps: A)convenient fish jelly: adding citric acid in fish jelly protoplasm, adjusting pH value of 3.5-4.2, adding fruit juice or essence, milk powder or fresh milk, adding a flavoring agent and a coagulating agent (alginate, gelatin and agar) and packaging in a cup, solidifying and dissolving to fruity fish jelly or fruit juice fish jelly under 50 DEG C; B)snack dish: using edible sodium hydroxide used for fish jelly protoplasm to adjust pH value to about 6, adding salt, sugar, monosodium glutamate, flavoring, starch, and soybean protein, blending, steaming for gelatinization; and C)adding a filler and an excipient (flour, starch and dextrin ) in the fish jelly protoplasm to prepare fish vermicelli, fish noodle, fish jelly powder, and fish soup material.

The kidney invigorating and vital energy benefiting capsule is prepared with silkworm moth, wolfberry fruit, dodder seed, desert cistanche, cnidium fruit and other six kinds of Chinese medicinal materials. The preparation process includes alcohol percolation of silkworm moth to obtain extract liquid, decoction of other ten kinds of Chinese medicinal materials to obtain decoction, the concentration and alcohol precipitation of the decoction to obtain supernatant, filtering the supernatant, merging with the extract liquid, concentration, drying, crushing, adding starch in 2-30 5 and dextrin and capsulizing. The medicine capsule has the functions of nourishing liver and kidney, benefiting vital energy and nourishing blood, and is used in treating asthenia, sore waist, dizziness, tinnitus, etc. caused by kidney deficiency.

The invention relates to a jackfruit sugar. The jackfruit sugar comprises jackfruit, pectin, liquorice, amylodextrin, red dates and maltose. The jackfruit sugar is prepared through the following steps: (1) crushing jackfruit with a juicer; (2) removing pits of half of the red dates, and powdering; (3) adding water to decoct liquorice and the rest red dates to obtain a concentrated solution; (4) uniformly mixing the concentrated solution, jackfruit and red date powder, and heating and concentrating; (5) adding pectin and amylodextrin to the mixture, and continuing to heat to obtain paste; (6) adding the paste to a die, and cooling to obtain the jackfruit sugar. According to the jackfruit sugar, the jackfruit is crushed and heated together with liquorice, red dates and the like to prepare the jackfruit sugar, and the preparation is performed under low pressure and low temperature, so that the taste and nutritional components of jackfruit can be remained well; the maltose is added, which can cover part of the smell of jackfruit, thus a customer rejecting the smell of jackfruit can also accept the jackfruit sugar, and the nutritional value and market value of the jackfruit sugar can both be increased.

A Chinese medicine in the form of tablet for treating pelvic inflammation is prepared from 8 Chinese-medicinal materials including honeysuckle stem, dandelion herb, motherwort, red peony root, etc through decocting twice, collecting decoction, filtering, concentrating, depositing in alcohol, filtering to obtain supernatant, recovering alcohol, drying, pulverizing, mixing it with starch, dextrin and carboxymethyl starch sodium, granulating, drying, adding magnesium stearate, stirring, granulating, tabletting and coating.

The invention provides a biopesticide compounded by trichoderma and hypersensitive protein complex enzyme, and belongs to the technical field of biopesticides. The biopesticide includes the followingcomponents in parts by weight: 3-7 parts of trichoderma, 0.2-0.7 part of hypersensitive protein complex enzyme, 0.4-0.6 part of monosaccharide, 0.8-1.2 parts of starch, 0.6-1.4 parts of amylodextrin and 80-95 parts of kieselguhr. The biopesticide provided by the application has good pesticide effect and good slow-release effect, is safe to the ecological environment and low in production cost andhas no pollution as all the raw materials are obtained from nature and can be back to the nature; the biopesticide has more acting sites to diseases, so that resistance of germs is not easily caused,and besides, crop growth is promoted and crop yield is improved.

The present invention relates to a feed for improving body color and meat quality of yellowhead catfish and a preparation method thereof, and belongs to the field of feeds. The feed comprises white fish meal, casein, Antarctic krill powder, corn germ oil, fish oil, cuttlefish liver oil, konjac starch, dextrin, peanut bran, calcium dihydrogen phosphate, compound vitamins, compound minerals, fermented plant powder, a traditional Chinese medicinal additive and porphyridium powder. The feed is reasonable in formula; the components have synergistic and complementary functions; the components are combined to promote the growth of the yellowhead catfish; the feed improves the body color and meat quality of the yellowhead catfish, is good in effects and stable, and can reduce ammonia and nitrogenemission in water. Conditions for producing the green feeds and aquatic products are created. The preparation method is as follows: the raw materials are mixed in ratios. The method is simple and rapid, good in condition controllability, good in feed stability and very good in application prospects.

The invention discloses Serene Tablet health-care food capable of increasing bone density and strengthening immunity and a preparation method thereof. The Serene Tablet health-care food is prepared from the following raw materials with homology of medicine and food: pearl powder, calcium carbonate, D-Glucosamine hydrochloride, casein phosphopeptides, starch, dextrin and magnesium stearate and by the following steps of sieving, weighing, mixing, preparing of a soft material, pelletizing, drying, granulating, total blending, tableting, inner packing, outer packing, inspection and storage to obtain tablets. The characteristic ingredients and content are described as follows: every 100g of tablet contains 14.5g of calcium and 15.5g of D-Glucosamine hydrochloride; and the Serene Tablet health-care food has the health-care functions of increasing bone density and strengthening immunity. The emphasis of the product is put on disease treatment above disease prevention, under the condition that the disease prevention lies in improving the concept of health of immunity to guide the development tendency, the invention provides the double-function health-care food which can not only increase bone density and relieve osteoarthritis symptom, but also strengthen human immunity, and the health-care food is suitable for middle-aged and aged people or people with low immunity to eat.

The invention relates to a warm reinforcing sea cucumber slice and a processing method thereof, and belongs to the field of sea cucumber finishing technology. Fresh sea cucumber is used as the main raw material of the warm reinforcing sea cucumber slice, such new food raw materials as Antarctic krill oil, chitosan oligosaccharide, xylooligosaccharide, clam meat polysaccharide, marine collagen peptide and the like are added, such medical and edible dual purpose Chinese herbal medicine components as wolfberry fruits, orange peel, fructus momordicae, raspberry, mulberry and the like are used for assisting, and such additives as starch, dextrin and the like are added to together form the warm reinforcing sea cucumber slice; and the warm reinforcing sea cucumber slice is prepared by the steps of treating raw materials, carrying out enzymolysis, mixing, tabletting and sterilizing. The warm reinforcing sea cucumber slice is relatively simple in preparation process, is comprehensive in nutrition structure and has the functions of nourishing yin and tonifying yang, tonifying Qi and relieving fatigue, improving immunity and the like, so that the warm reinforcing sea cucumber slice is an ideal warm reinforcing product.

The invention discloses a method for preparing sweet potato amylodextrin by acid-alcohol medium, which comprises the steps of: placing sweet potato starch into ethanol solution; using hydrochloric acid to hydrolyze the sweet potato starch; heating the solution to the boiling point; refluxing and continuously stirring the solution; filtering the solution after the hydrolysis; separating out starch maltodextrin, and dispersing the starch maltodextrin into distilled water; neutralizing the obtained solution by NaOH, dehydrating the obtained solution, and washing the obtained solution by the distilled water; and obtaining the sweet potato amylodextrin through the dehydration by ethanol and drying. An obtained product has larger water retention property than native starch and has stronger hydroscopic property, and the value of the viscosity of acidolysis amylodextrin is reduced compared with the native starch. The method takes the sweet potato starch as a raw material, uses acids and alcohols with different concentrations to hydrolyze to prepare the amylodextrin under the condition that the temperature is higher than the gelatinization temperature of aqueous medium, has the advantages of shorter reaction time, simple and practical process, and low needed investment during the production, and has the technology which is suitable to be widely popularized.

The invention relates to the field of a preparation method and technology of Chinese patent medicines. The invention provides an improved preparation method of notoginseng root capsules for dysmenorrhoea. The preparation method comprises the following steps: (1) individual ultra-fine pulverization is carried out for notoginseng roots, flying squirrel feces, typha pollen, corydalis tubers, Szechuan lovage rhizomes, common aucklandia roots, fennel, and borneol, in order to obtain fine powder, and the powder is uniformly mixed for standby; (2) medicinal powder obtained in the step (1) and a filler are uniformly mixed according to a weight ratio 0.5-1.5:0.5, a wetting agent is added, and granulation is carried out by extrusion with a wet method; (3) particles obtained in the step (2) are dried in a baking oven at 60 DEG C for 60 minutes, dried particles are obtained, particles are arranged and contained in capsules, and the capsules are obtained. The filler comprises starch, dextrin and lactose according to a weight proportion 7:1:1. The wetting agent comprises an ethanol alcohol whose weight percentage is 70% and a povidone solution whose weight percentage is 3%. The preparation method improves fluidity of products, solves the sticking problem, shortens disintegration time limit, and improves bioavailability.

The invention discloses a method for preparing cassava amylodextrin by acid-alcohol medium, which comprises the steps of: using HCl to hydrolyze cassava starch in ethanol solution; heating the solution to the boiling point; refluxing and continuously stirring the solution; filtering the solution after the hydrolysis, and separating out amylodextrin; dispersing the amylodextrin into distilled water; neutralizing the obtained solution by NaOH; dehydrating the obtained solution; washing the obtained solution by the distilled water; and obtaining the cassava amylodextrin through the dehydration by ethanol and drying. An obtained product has larger water retention property than native starch and has stronger hydroscopic property, and the value of the viscosity of acidolysis amylodextrin is reduced compared with the native starch. The method takes the cassava starch as a raw material, uses acids and alcohols with different concentrations to hydrolyze to prepare the amylodextrin under the condition that the temperature is higher than the gelatinization temperature of aqueous medium, has the advantages of shorter reaction time, simple and practical process, and low investment and quick response during the production, and has the technology which is suitable to be widely popularized.

The invention discloses eggshell calcium malate chewable tablets and a preparation method thereof, belongs to the technical field of functional foods and particularly relates to a method for preparing eggshell calcium malate by utilizing a high-voltage pulsed electric field, and the eggshell calcium malate chewable tablets capable of supplementing calcium required by a human body and a manufacturing method thereof. The method for preparing the calcium malate by utilizing eggshells comprises the following steps: naturally air-drying the eggshells, then crushing, sieving, adding acid, adding water and then performing treatment by the high-voltage pulsed electric field, and the chewable tablets comprise eggshell calcium malate powder, dextrin, starch, xylitol, malic acid, citric acid, magnesium stearate, sodium isoascorbiate and fresh milk essence. The preparation method comprise the following steps: taking the eggshell calcium malate powder as a main functional ingredient, taking the starch, the dextrin, the xylitol, the citric acid, the malic acid, the sodium isoascorbiate, the magnesium stearate and the fresh milk essence as auxiliary materials, performing pretreatment, mixing the materials, granulating, drying, stabilizing the size and tabletting for preparing products. The eggshells are taken as the main raw materials, the high-voltage pulsed electric field is used for treatment and optimization, then the yield of calcium ions in the calcium malate can be as high as 98.34%, the treatment time is short (50 mu s), and the treatment can be performed continuously, thereby being more conductive to industrial production. The eggshell calcium malate chewable tablets have the characteristics and the advantages of delicate mouthfeel, sweet, sour and delicious taste, convenience in taking, high calcium content, significant calcium supplementation effect, difficulty in moisture absorption, simpleness in storage method, long shelf life and the like.

The invention discloses a preparation method of a compound danshen tablet in the technical field of medicine manufacturing. The invention is characterized by comprising the following steps: preparingthe following raw materials: a danshen medicinal material, a pseudo-ginseng medicinal material, borneol, corn starch, dextrin, microcrystalline cellulose and magnesium stearate; pre-treating the raw materials: pre-treating the danshen medicinal material, the pseudo-ginseng medicinal material and the borneol, and removing non-medicinal parts and impurities; and extracting the danshen medicinal material: extracting a concentrated solution from the danshen medicinal material to prepare danshen extractum. According to the invention, the loss of effective components in the extraction process can beeffectively avoided; after the danshen medicinal material is selected, cleaned, infiltrated and cut, the water content is detected, the feeding amount is controlled, and direct extraction is performed, so that the accuracy of the extraction feeding amount of the medicinal material is ensured, the drying procedure is reasonably avoided, the loss of effective components of the traditional Chinese medicinal material in the drying process is avoided, and the production cost is reduced.

The invention relates to an oral Chinese herba preparation for treating postpartum qi and blood deficiency of woman and a production method thereof. The oral Chinese herba preparation comprises nine traditional Chinese medicines, such as astragalus root, Chinese angelica, prepared rehmannia root, rhizoma atractylodis macrocephalae, white paeony root, szechuan lovage rhizome, euonymus fortunei, dried orange peel and liquorice. The method comprises the following steps: adding water and decocting, filtering, concentrating, depositing with alcohol, filtering, recovering the alcohol, concentrating,and the like, obtaining clear paste; adding starch, dextrin, microcrystalline cellulose, polyvinylpyrrolidone, and the like, granulating, drying, trimming and separating the particles into 5,000 particles; and packaging to obtain the oral Chinese herba preparation. The Chinese herba preparation has simple prescription, easy processing and low cost, and the product has fine compound, effective hemostasis and favorable curative effect and is particularly suitable for post-operation hemostasis.

The invention discloses a traditional Chinese medicinal particle for treating dog tonsillopathy and a preparation method thereof. The traditional Chinese medicinal particle comprises the following medicines, by weight, 3-6 parts of Herba Taraxaci, 3-6 parts of folium isatidis, 2-4 parts of radix scutellariae, 2-4 parts of honeysuckle flower, and 1-3 parts of Blackberrylily Rhizome. The preparation method comprises the following steps: 1, weighing above five medicines; and 2, decocting twice with10 times of water (0.5h and 1h), mixing two filtrates, allowing to stand for 24h, taking a supernatant, concentrating to the relative density of 1.28 (80DEG C), drying at 60-70DEG C, crushing, adding with amylodextrin, well mixing; preparing a particle with 85% alcohol, sieving with a 10 mesh sieve, drying at 60DEG C, and sieving with the 10 mesh sieve. So the particle is obtained. The particle of the present invention which is a Chinese herbal medicinal preparation has the characteristics of definite therapeutic effect, no generation of drug resistances, and no residual.

The invention discloses a cattle farm deodorization disinfecting agent and a preparation method thereof. The cattle farm deodorization disinfecting agent is prepared from the following raw materials:xanthan gum, 30 percent ethanol solution, nano microspheres, nano tourmaline powder, glyceride, isopropanol, nano titanium dioxide, herba speranskiae tuberculatae extract liquid, mint herb extract liquid, fructus gardenia extract liquid, cortex magnoliae officinalis extract liquid, amylodextrin and gelatin. The preparation method comprises the following steps: (1) heating the xanthan gum and 30 percent ethanol solution, adding the nano microspheres and nano tourmaline powder, stirring, heating and refluxing; (2) adjusting the pH, aging, heating a centrifuged product, and calcining; (3) addingthe product in step (2) into the glyceride and the isopropanol, adding the nano titanium dioxide, stirring, standing, and calcining a solid product; (4) stirring the Chinese herbal extract liquid, theamylodextrin and the gelatin, and obtaining emulsion; and (5) adding the product in step (3) into the emulsion. The deodorization disinfecting agent prepared in the invention is high in stability, excellent in disinfection effect and capable of effectively purifying and improving the environment of a cattle farm.

The invention discloses environment-friendly smokeless mosquito-repellent incense and a preparation method thereof. The incense is prepared from a binding agent, mosquito-repellent powder, vermiculitepowder, zeolite powder and amylodextrin. The preparation method comprises the following specific steps that (1) the mosquito-repellent powder, the vermiculite powder, the zeolite powder and the amylodextrin are added into distilled water, and after heating, oscillating is carried out to obtain a pasty material; (2) after the pasty material is put into a steamer to be stewed, the binding agent isadded, and stewing continues; (3) after cooling to the room temperature, the product in step (3) is put into a model to be compacted, and after demoulding, mosquito-repellent incense blank is prepared; (4) the mosquito-repellent incense blank is transferred into a drying oven to be dried, and the environment-friendly smokeless mosquito-repellent incense is obtained. The environment-friendly smokeless mosquito-repellent incense has the advantages that the mosquito-repellent effect is significant, the environmental protection and health problems cannot be caused during burning, and the mosquito-repellent incense fully accords with the requirements for environmental friendliness.

The invention relates to a kidney extract freeze-dried food capable of improving kidney functions of organisms of old people. The kidney extract freeze-dried food consists of the following componentsin parts by weight: 20-100 parts of beta-glucan, 20-100 parts of amylodextrin and 1.0-3.0 parts of a kidney extract, wherein the molecular weight of the kidney extract is 3000-50000 Dalton. Accordingto the kidney extract freeze-dried food disclosed by the invention, a given number of vituline kidney extracts of which the molecular weight is 3000-50000 Dalton are added, so that the freeze-dried food having health-care functions are obtained; and the kidney extract freeze-dried food can significantly improve the kidney functions of the organisms of old people, and the constitutions of the old people are strengthened.