1816 results about "Rhizome" patented technology

Disclosed herein are engineered rhizobia having nif clusters that enable the fixation of nitrogen under free-living conditions, as well as ammonium and oxygen tolerant nitrogen fixation under free-living conditions. Also provided are methods for producing nitrogen for consumption by a cereal crop using these engineered rhizobia.

The invention provides an intelligent logistics distribution path optimization method under multiple constraint conditions, and relates to the technical field of logistics distribution, and the method comprises the steps: constructing a constrained graph model according to a time window, vehicle information and real-time traffic API data; performing initial path planning by adopting an improved genetic algorithm; performing dynamic path adjustment according to the initial path set and the real-time traffic API data; and in combination with the optimized path set and customer preference information in the order information, screening an optimal solution through a plant rhizome growth optimization algorithm, and then outputting a final path optimization strategy according to a preset rule engine. According to the method, a plant rhizome optimization algorithm is adopted, a biological growth rule is simulated to realize multi-target co-evolution, and customer preference and task migration flexibility are considered while premature convergence is avoided; through flexible adjustment of constraint conditions and algorithm parameters, the method can adapt to more scenes, and can still maintain stable solving capability under the condition of continuous congestion or sharp increase of orders, thereby remarkably improving the anti-risk capability of a logistics system.

The invention discloses a method for extracting extracellular vesicles from dried Sanguisorba officinalis rhizomes and application of the extracellular vesicles, and relates to the technical field of molecular biology and biomedicine.The method comprises the following steps that S1, rehydration is conducted, specifically, the dried Sanguisorba officinalis rhizomes are subjected to liquid nitrogen quick freezing and then ground into powder at the low temperature, the powder and hydration liquid are mixed according to the proportion of 1: 10 (w / v), the mixture is slowly stirred for 2-4 h at the temperature of 4 DEG C, and the extracellular vesicles are obtained; removing large-particle impurities by using sterile gauze or a filter screen, and collecting filtrate; according to the method, through the synergistic effect of multiple enzymolysis and in combination with cellulase, pectinase and the like, the degradation efficiency is remarkably improved, meanwhile, EDTA is chelated with metal ions, and the enzymolysis effect is enhanced. Short-time alternating ultraviolet light is introduced to activate'dormant 'vesicles, so that the yield and the biological activity are improved. Secondly, multiple protection mechanisms, such as vitamin C, EDTA (Ethylene Diamine Tetraacetic Acid), cane sugar, BSA (Bovine Serum Albumin) and an ultraviolet protective agent are adopted, so that the integrity and the biological activity of the vesicles are ensured.

The preparation method comprises the following steps: S1, crushing cordate houttuynia rhizomes, adding the crushed cordate houttuynia rhizomes into a mixed acid aqueous solution, and carrying out immersion treatment to obtain a cordate houttuynia mixed solution; s2, adjusting the pH value of the herba houttuyniae mixed solution to 4-5, adding pectinase, carrying out primary enzymolysis and enzyme deactivation, adjusting the pH value to 6-7, adding compound enzyme, carrying out secondary enzymolysis and enzyme deactivation, so as to obtain an enzymatic hydrolysate; s3, menthol is added into the enzymatic hydrolysate, water extraction is conducted, and water extract and filter residues are obtained; s4, the filter residues are added into ethyl alcohol, then salicylic acid and diacetyl tartaric acid ester of mono (di) glycerides are added, alcohol extraction and filtering are conducted, and an alcohol extraction solution is obtained; s5, mixing the water extract with the alcohol extract, and performing reduced pressure distillation to obtain the herba houttuyniae extract. According to the method, the extraction rate of polysaccharide and flavone in houttuynia cordata can be effectively increased, and meanwhile, the prepared houttuynia cordata extract has better oxidation resistance and has a good application prospect.

The invention discloses a compound with anti-tumor activity. The compound has a chemical structural formula as shown in a formula (I). The compound belongs to a novel tetracyclic triterpenoid natural product, has good fat solubility and chemical stability, and can be conveniently extracted from the rhizome of a herbal medicine Polygala fallax Hemsl. And prepared into an oral or injection form. The invention also provides a preparation method and application of the compound. The compound provided by the invention can obviously inhibit the growth of mouse lung cancer and reduce the volume and weight of tumor, and can be used for treating tumor diseases.

The invention relates to the technical field of microorganisms and bio-organic fertilizers, and particularly discloses a bio-organic fertilizer for preventing and treating rhizome diseases of horseradish and application of the bio-organic fertilizer, the bio-organic fertilizer comprises the following components: component A: a bacillus velezensis microbial inoculum with the preservation number of CCTCC NO: M 2022923 and a trichoderma yunnanense microbial inoculum with the preservation number of CCTCC NO: M 2025645; the component B is prepared from soybean meal, vinegar residues, charcoal, wollastonite powder and allicin. The biological organic fertilizer disclosed by the invention can be used for increasing the content of growth hormones such as salicylic acid (SA), jasmonic acid (JA) and ethylene (ET) and phytoalexin as well as the activity of chitinase and beta-1, 3-glucanase of a wasabi root system, and has a relatively good prevention and treatment effect on a black heart disease caused by infection of phoma wabi Yokog and a soft rot disease caused by infection of pectobacterium carotovorum subsp. Carotovorum (Pcc). The biological organic fertilizer disclosed by the invention has a relatively good prevention and treatment effect on the soft rot disease caused by infection of the phoma wabi Yokog and a relatively good prevention and treatment effect on the soft rot disease caused by infection of the phoma wabi subsp. Carotovorum (Pcc).

The invention relates to application of turmeric rhizome extract emulsifiable concentrate in preventing and treating corn leaf spot and tomato gray mold. Compared with the prior art, the turmeric rhizome extract missible oil disclosed by the invention contains an effective substance aromatic turmerone, and the aromatic turmerone can reduce the spore germination rate and sporulation quantity of pathogenic bacteria, increase the permeability of hypha cell membranes and cause overflow of contents, so that normal growth of hyphae is inhibited, and an antibacterial effect is achieved. Aromatic turmerone acts on plants, so that plant cells generate more polyphenol and flavonoid substances, and the immunity of the plants is improved. Pharmacodynamic test results in fields in two fields show that the 6.5% turmeric rhizome extract emulsifiable concentrate can be used for stably and effectively preventing and treating corn northern leaf blight and tomato gray mold after being diluted by 150-300 times, and also has a yield increasing effect.

The invention provides a traditional Chinese medicine composition for treating or improving asthma, and relates to the technical field of traditional Chinese medicine pharmacy. The traditional Chinese medicine composition is prepared from the following traditional Chinese medicine raw materials: inula flower, tabasheer, Japanese ardisia herb, cymbopogon distans, ligusticum, pyrrosia lingua, pawpaw, yam rhizome, rhizoma atractylodis, walnut meat, maltose, citron and liquorice. The monarch, minister, assistant and guide in the traditional Chinese medicine composition make the best responsibility, the traditional Chinese medicine composition aims at the symptoms of phlegm-qi obstruction and adverse rising of lung qi of asthma, also has the effects of strengthening the spleen, tonifying the kidney, soothing the liver and the like to consolidate the root cause, has the effects of dispelling wind and ventilating the lung, eliminating phlegm and lowering adverse qi, tonifying the spleen and eliminating dampness, warming the kidney and absorbing qi, and regulating the liver and regulating qi, and has the effects of purgation and tonification and treatment of both symptoms and root causes. The traditional Chinese medicine composition can effectively inhibit airway inflammation reaction of asthma model mice and improve clinical symptoms of the asthma mice, and is remarkable in treatment effect. The traditional Chinese medicine composition disclosed by the invention has a relatively high total effective rate for treating asthma, and has more advantages in the aspects of relieving clinical symptoms of asthma patients and improving lung functions.

The invention discloses a cattle feed additive. The cattle feed additive consists of the following raw materials in parts by weight: 4-16 parts of perilla frutescens, 2-20 parts of cyrtomium rhizomes, 10-30 parts of cod-liver oil, 2-10 parts of sodium selenite, 3-13 parts of Haixiao, 5-25 parts of radix polygalae, 2-12 parts of longan aril, 4-20 parts of Chinese yam rhizomes, 5-25 parts of vietnamese sophora roots, 3-17 parts of folium isatidis, 2-12 parts of endothelium corneum gigeriae galli, 4-16 parts of actinolitum brevifibrum, 2-12 parts of herba asari, 4-12 parts of origanum vulgare, 3-13 parts of Chinese pulsatilla roots, 4-16 parts of fleeceflower roots, 2-18 parts of radix achyranthis bidentatae, 1-9 parts of a bacillus natto agent, 2-10 parts of bacillus and 1-7 parts of active dry yeast. The cattle feed additive disclosed by the invention has the advantages of being rich in nutrition, capable of improving beef quality, increasing the survival rate of cattle and the like.

Provided are a method for controlling a soilborne disease in which a load on an environment and a human body is reduced, and a novel predatory bacterium therefor.　Provided are: a predatory bacterium or a variant thereof selected from the group consisting of bacteria of the genus Bacteriovorax and bacteria of the genus Bdellovibrio which selectively prey on a pathogenic bacterium belonging to the family Burkholderiaceae, the family Pectobacteriaceae, or the family Lysobacteraceae; a method for controlling a soilborne plant disease caused by the pathogenic bacterium, the method characterized in that the predatory bacterium or variant thereof is applied to a seed, root, or underground stem of a plant, rhizosphere soil, or soil; and a composition.

The invention discloses a rapid identification and comprehensive evaluation method for a polygonatum cyrtonema provenance, and belongs to the field of improved variety breeding and quality control of traditional Chinese medicinal materials. The method systematically measures a plurality of specific biological traits covering three dimensions of growth, physiology and medicine. And carrying out standardization processing on the measured multi-dimensional data, carrying out dimensionality reduction by using a principal component analysis model, constructing an evaluation model capable of comprehensively reflecting the comprehensive quality of the provenance, and calculating a quantitative comprehensive evaluation score. The score can objectively and scientifically divide different provenances into four different quality grades including excellent, good, common and to-be-improved quality grades. The method has the beneficial effects that the strong positive correlation between the easily measured growth traits of the overground part and the medicinal component content of the underground rhizome for determining the final quality of the medicinal material is established, so that the rapid, predictive and non-destructive early screening of the provenance quality is realized.

The invention relates to the field of fermentation compounds, in particular to a compound for promoting GLP-1 secretion, a fermentation preparation method and application of the compound. According to the compound, fermented mulberry leaf powder is used as a main material, soybean oligosaccharide and rhizoma kaempferiae rhizome extract are used as synergistic materials, white birch juice concentrate and white kidney bean extract are used as auxiliary materials, the mulberry leaf powder is subjected to compound probiotic fermentation and multi-stage directional enzymolysis to enrich active components, and meanwhile, the soybean oligosaccharide is extracted and purified by adopting ultrasonic-assisted extraction in combination with a gradient alcohol precipitation method. Supercritical CO2 extraction is assisted to obtain a high-purity rhizoma kaempferiae rhizome active extract; finally, all the extracts are compounded in proportion and embedded through sodium alginate-chitosan wall material microcapsules, and the stability is improved with the assistance of a vitrification carrier and an antioxidant; the composition provided by the invention has a multi-target synergistic effect, and can significantly promote the secretion of GLP-1.

The invention discloses a preparation method and application of a medicinal and edible composition for reducing uric acid and treating gout, and belongs to the crossing field of medicine and food technologies. The composition is composed of celery seeds, sophora flower buds, chicory, dandelion, mulberry twigs, pawpaw and fresh lalang grass rhizomes, all the components have a synergistic effect, and the effects of inhibiting generation of uric acid, promoting excretion of uric acid, resisting inflammation, diminishing swelling and adjusting body metabolism at multiple target points are achieved. The preparation method comprises the steps of intelligent screening and fine pretreatment of raw materials, a multi-stage targeted extraction process and intelligent concentration and precise forming, and active ingredients can be efficiently extracted and prepared into various dosage forms. According to the composition, in the aspect of precise medical assistance, personalized medication schemes are customized according to different stages of gout, and whole-course digital management is achieved by means of intelligent equipment and a cloud platform; in daily smart health care of families, gout prevention of the families is facilitated through smart home kitchen equipment and a uric acid monitoring set; the method is used for innovative health food development, and provides a new natural, efficient and multifunctional health management approach for gout patients.

The utility model relates to the technical field of transplanting machines, and provides a small-sized transplanting machine for flue-cured tobacco planting, which comprises a vehicle body, a square groove is arranged at the top of the vehicle body, and a round rod II is fixedly arranged on the opposite side of the inner wall of the square groove. According to the soil breaking device, the limiting rod is pulled towards one side by hands, so that the limiting rod is separated from the interior of the limiting hole, limiting on the V-shaped strip is relieved, and the compression spring is stretched synchronously, at the moment, the V-shaped strip can rotate around the outer surface of the second round rod, the soil breaking plough moves downwards and is inserted into the soil, and when the soil breaking plough is inserted into the proper depth, the limiting rod is loosened, and the soil breaking plough can move downwards. The V-shaped strip is arranged in the limiting hole and inserted into the limiting hole under the reset acting force of the compression spring, so that the V-shaped strip is limited, pits with different depths can be dug according to the length of the flue-cured tobacco seedling, it is guaranteed that the rhizome of the flue-cured tobacco seedling is deeply inserted into soil, the situation that the flue-cured tobacco seedling is blown away by wind can be avoided, and then normal growth of the flue-cured tobacco seedling is guaranteed.

The invention belongs to the field of traditional Chinese medicines, and particularly discloses a traditional Chinese medicine composition with an anti-depression effect, which is prepared from the following medicinal materials by weight: 6g of pericarpium citri reticulatae viride, 6g of pericarpium citri reticulatae, 6g of radix paeoniae alba, 6g of thunberg fritillary bulb, 4.5 g of rhizoma alismatis, 4.5 g of fried gardenia and 4.5 g of moutan bark. The composition regulates functions of hypothalamus-pituitary-adrenal axis (HPA axis) and repairs hippocampal neurons and relieves symptoms such as pleasant sensation loss and behavioral despair of depression patients by relieving qi stagnation, clearing heat, cooling blood, promoting diuresis and reducing phlegm. Experiments prove that the traditional Chinese medicine composition can remarkably improve the sweet water preference rate of depression rats, shorten the forced swimming immobility time, reduce the levels of CRH, ACTH and CORT of plasma and improve pathological injuries of hippocampus tissues. The composition adopts medicinal and edible medicinal materials, is small in side effect and high in safety, and can be prepared into an oral preparation for treating depression.

The invention provides a selenium-rich apricot planting method, and belongs to the technical field of fruit tree planting. The planting method comprises the following steps: soil preparation and fertilization management; performing planting; fertilization: respectively carrying out topdressing before flowering, in a flower bud differentiation period and in a fruit expansion period; and harvesting. A fertilizer for topdressing is a selenium-rich fertilizer, and the selenium-rich fertilizer is composed of a microbial fertilizer, animal manure, waste plant rhizomes, monopotassium phosphate, urea and a substance containing a selenium element; the microbial fertilizer is prepared from saline-alkaline tolerant bacillus, pseudomonas and arbuscular mycorrhizal fungi. According to the selenium-rich fertilizer disclosed by the invention, the saline-alkaline tolerant bacillus, the pseudomonas and the arbuscular mycorrhizal fungi are added into the selenium-rich fertilizer, and the enrichment effect of apricot trees on selenium in soil is improved through the synergistic effect of the saline-alkaline tolerant bacillus, the pseudomonas and the arbuscular mycorrhizal fungi, so that the content of selenium in apricots is greatly increased.

The invention discloses a processing technology for reducing the fishy smell of pork livers. The processing technology comprises the following steps: (1) adding a rhizoma atractylodis soaking solution into the pork livers subjected to cleaning pretreatment with water, and performing intermittent ultrasonic treatment; (2) transferring into an acer truncatum mixed solution, and carrying out intermittent ultrasonic treatment; and (3) cleaning the processed pork liver. The rhizoma atractylodis and the acer truncatum are used for deodorizing the pork liver, so that the fishy smell of the pork liver is effectively removed, and the demand of the market on a pork liver fishy smell removal technology is met.

The invention provides a tissue culture method and an acclimatization and transplantation method of coptis chinensis, and belongs to the technical field of plant tissue culture. The tissue culture method of the coptis chinensis comprises the following steps: (1) taking a tender shoot of a coptis chinensis rhizome as an explant, sterilizing, and inoculating into a basic culture medium for culturing, so as to obtain a coptis chinensis sterile seedling; (2) inoculating the aseptic seedlings of coptis chinensis into an adventitious bud differentiation culture medium for culture to obtain adventitious buds of coptis chinensis; (3) inoculating the coptis chinensis adventitious buds into a proliferation culture medium for culturing to obtain coptis chinensis proliferation seedlings; and (4) inoculating the coptis chinensis multiplication seedlings into a rooting culture medium for culture to obtain coptis chinensis test-tube seedlings. The tissue culture and acclimatization and transplantation method provided by the invention can improve the propagation efficiency of the coptis chinensis, remarkably shorten the growth cycle of the coptis chinensis, provide technical support for rapid propagation and sustainable utilization of resources of the coptis chinensis, and have wide application prospects.

The invention discloses a method for identifying traditional Chinese medicinal materials by combining infrared spectroscopy with clustering analysis, which comprises the following steps of: acquiring original infrared spectral data, averaging the original infrared spectral data to obtain single-sample original spectral data, constructing a sample graph and a wavelength graph based on standardized spectral characteristics, and fusing the sample graph and the wavelength graph to obtain the single-sample original spectral data. Obtaining fusion image data, inputting the fusion image data into a pre-trained image neural network model, extracting a low-dimensional feature vector of a target sample through forward propagation, and inputting the low-dimensional feature vector into a pre-trained dynamic cluster diffusion module to obtain a clustering label and distance data; and determining and outputting the quality grade of the rhizome traditional Chinese medicinal material sample based on the clustering label and the distance data. Therefore, interference can be effectively reduced, key features can be extracted, associated features of fused graph data are extracted in combination with a graph neural network, and the quality grade of traditional Chinese medicinal materials can be accurately determined in combination with clustering analysis of a dynamic cluster diffusion module.

The invention relates to the technical field of quality detection of traditional Chinese medicine preparations, in particular to a quality detection method of rhizoma pinelliae, rhizoma atractylodis macrocephalae and rhizoma gastrodiae granules, and the rhizoma pinelliae, rhizoma atractylodis macrocephalae and rhizoma gastrodiae granules established by the invention are proved to be safe and effective through quality inspection. The rhizoma pinelliae, rhizoma atractylodis macrocephalae and rhizoma gastrodiae granules not only keep the effects of eliminating dampness, reducing phlegm, calming the liver and calming endogenous wind in an original prescription, but also overcome the defects that a decoction is temporarily decocted, time-consuming and energy-consuming, is easy to mildew and deteriorate after being placed for a long time and the like, are smaller in dosage and more convenient to take, carry, store and transport, and greatly reduce the labor intensity and shorten the labor time, so that the production cost of the rhizoma pinelliae, rhizoma atractylodis macrocephalae and rhizoma gastrodiae granules is reduced. And the burden of people is greatly relieved, the market vacancy is filled, the economic benefit is considerable, and obvious advantages are achieved.

The invention discloses a traditional Chinese medicine composition for treating sarcopenia, the traditional Chinese medicine composition is prepared from six medicines of sugared ginseng, cistanche, rhizoma polygonati, poria cocos, gastrodia elata and bighead atractylodes rhizome through compatibility, the traditional Chinese medicine composition takes spleen strengthening, qi supplementing, kidney tonifying and essence replenishing as the treatment rule, syndrome differentiation treatment is carried out aiming at the spleen and kidney deficiency pathogenesis of sarcopenia, multi-target intervention on sarcopenia is achieved, and the traditional Chinese medicine composition has the advantages that the curative effect is good; the traditional Chinese medicine composition not only can quickly improve muscle strength and endurance functions, but also can continuously promote muscle mass reconstruction, and has dual effects of atrophy resistance and fibrosis resistance, and animal experiment results show that the traditional Chinese medicine composition has a remarkable curative effect on liver and kidney deficiency type sarcopenia.

The invention discloses an active exosome stent coating based on traditional Chinese medicine enhanced secretion promotion and a preparation method and application thereof, and belongs to the technical field of biological medicine and interventional instruments. The stent coating comprises exosomes, wherein the exosomes comprise myocardial cell active exosomes and human mesenchymal stem cell active exosomes which are intensified and secreted by traditional Chinese medicines; wherein the traditional Chinese medicines comprise placenta extract, pilose antler extract, sheep myocardial peptide, sea cucumber peptide, lycium ruthenicum peptide, cnidium lactone, curculigo orchioides extract and morinda officinalis extract; the intervention concentration of each component added into cells is 2-50 [mu] g / mL; the light-cured gel matrix is prepared from methacrylated gelatin, a photoinitiator and polyether 127; tacrolimus; the final concentration of the exosome is 1 * 10 < 9 >-12 * 10 < 9 > particles / mL, and the final concentration of the tacrolimus is 5-25 mu g / mL. The coating can be coated on the surface of the poly-L-lactic acid degradable stent to prepare the degradable stent, and has obvious vascular repair promoting capability.

The invention relates to a large-scale seedling raising method for rhizoma drynariae. The method comprises the steps of rhizoma drynariae greenhouse transplanting, seedling raising pretreatment, rhizoma drynariae spore collection, spore germination, rhizome formation promotion, conventional seedling management and the like, and a large number of seedlings can be obtained. According to the method, fortune's drynaria rhizome spores are promoted to germinate on a camphor tree sawdust substrate through weak illumination and a nutrient solution, and the problems that fortune's drynaria rhizome spores do not germinate due to water shortage and cannot form seedlings due to nutrition deficiency are effectively avoided The growth environment of the rhizoma drynariae cultivated in a greenhouse is fully utilized, and the seedling culture space is saved and the seedling culture cost is greatly reduced by modifying the seedling culture substrate and directly breeding spores; by means of an existing hanging spraying facility, water and nutrient supply for seedling raising is guaranteed, the labor cost is reduced, the spore germination rate and the seedling survival rate are greatly increased, and after small rhizomes are directly adopted for transplantation in subsequent management, the spore collection and sowing difficulty is reduced, and the seedling cultivation time is effectively shortened.

The invention discloses application of a zingiber mioga extract in preparation of a medicine for treating atopic dermatitis, and belongs to the technical field of medicines.The zingiber mioga extract is specifically a zingiber mioga rhizome aqueous extract, can act on all stages of atopic dermatitis to achieve the purposes of relieving inflammation and improving itching symptoms, has higher safety and effectiveness, and can be used for preparing a medicine for treating atopic dermatitis. Therefore, the traditional Chinese medicine composition has great potential and unique advantages in the aspect of treating atopic dermatitis. The invention provides a new thought for developing the atopic dermatitis medicine, and also expands the application direction of the zingiber mioga.

The invention provides a method for grafting Tibetan white bark pine on Chinese pine, belongs to the technical field of needle-leaved tree species grafting, and solves the technical problem that the survival rate is lower than 40% due to slow joint healing, high pathogen infection rate and environmental fluctuation. According to the technical scheme, the method is characterized by comprising the following steps: cutting 1.8-2.2 cm of a vertical notch reaching xylem at the part, which is 2.5-3.5 cm exposed out of the surface of a culture medium, of a rootstock rhizome part; cutting the scion base into a symmetrical double-sided wedge shape, and immersing the scion base into a sodium citrate buffer solution containing polyvinylpyrrolidone, methyl salicylate and calcium chloride; the two sides of the vertical notch are coated with adsorption glue; inserting a scion alignment cambium and fixing by using a grafting belt; an ethanol water solution containing salicylic acid, trehalose and polysorbate 80 is applied to the interface every 2-3 days; maintaining the day temperature to be 23-25 DEG C, the night temperature to be 16-18 DEG C and the humidity to be 90-95%; when the young sprouts grow to 2-3 cm, the rootstocks are girdled, and trunks are cut off after 7-10 days. The method is used for large-scale breeding of the Tibetan pinus bungeana grafted seedlings.

The invention belongs to the technical field of biomedicine, and particularly relates to a paris polyphylla exosome, a preparation method thereof and application of the paris polyphylla exosome in treatment of psoriasis, in the method, fresh paris polyphylla rhizomes are cleaned and washed with a buffering agent, the washed paris polyphylla rhizomes and the buffering agent are mixed according to the mass ratio of 1: (1.5-2.5), after mixing, crushing and filtering are conducted, and the paris polyphylla exosome is obtained; the preparation method comprises the following steps: extracting paris polyphylla from paris polyphylla to obtain a paris polyphylla crude extract for later use, carrying out differential centrifugation on the paris polyphylla crude extract, taking supernate and concentrating to obtain an exosome crude extract, sequentially adding the exosome crude extract into cane sugar with the concentration of 15%, 30%, 45% and 60%, and carrying out cane sugar gradient purification to obtain the paris polyphylla exosome. The paris polyphylla exosome is in the shape of a cup-shaped circle and has a complete double-layer membrane structure, the protein concentration is 3.5-4.5 ug / ml, the particle size is 100-200 nm, and the paris polyphylla exosome is beneficial to improvement of psoriasis, is good in curative effect and fast in effect taking, and has high economical efficiency and safety.

The utility model discloses agricultural planting nursery stock transplanting equipment which comprises a frame body, the front side of the frame body is fixedly connected with a fixing plate, the front side of the fixing plate is movably connected with a lifting frame, the front side of the lifting frame is movably connected with a nursery stock clamping mechanism, and the nursery stock clamping mechanism comprises a clamping barrel. Firstly, the frame body is pushed to move, the frame body drives the two connected clamping barrels to move to the designated nursery stock position, a second servo motor is started to drive the two clamping barrels to move, the two clamping barrels can clamp the nursery stock, and therefore the clamped nursery stock rhizome soil is protected and prevented from falling off; and finally, a nutrient solution in a spraying barrel can be pumped out by turning on a water pump, and then a clamping barrel on a lifting frame connected with a first servo motor in a driving manner is turned on to move, so that nursery stock transplanting is facilitated, and the survival rate of nursery stock transplanting can be increased.

The invention relates to the technical field of geographic information acquisition, in particular to a geographic information acquisition surveying and mapping device and a surveying and mapping method.The geographic information acquisition surveying and mapping device comprises a moving seat and a fixing frame arranged on the moving seat, a surveying and mapping instrument is arranged on the side, away from the moving seat, of the fixing frame, and a sampling assembly and a positioning and fixing assembly are arranged on the moving seat; the device has the function of stabilizing the sampling barrel in the whole sampling process, so that the sampling barrel cannot shake and incline during sampling, meanwhile, the sampling barrel can rotate under the driving of a square telescopic shaft, and the sampling barrel continuously moves towards the ground in the rotating process in cooperation with pushing of an inner screw barrel, so that the sampling efficiency is improved. The soil in contact with the sampling barrel is cut through the arranged cutting teeth, so that the sampling barrel easily goes deep into the underground soil, the rotating cutting teeth can also cut plant rhizomes in the underground soil, and the situation that final sampling fails due to the fact that the plant rhizomes pull soil samples when the sampling barrel is taken out of the soil subsequently is avoided.

The invention discloses a crop planting substrate for promoting rhizome system development and a preparation method thereof. The substrate comprises the following components by volume ratio: 10-20% of straw biogas residue; 50-60% of peat; 15 to 25% of vermiculite; 15 to 25% of perlite; wherein the substrate further comprises a functional additive, and the functional additive is selected from one or more of potassium fulvate, chitosan or plant growth promoting flora. The crop planting substrate provided by the invention significantly promotes the development of rhizome systems through the synergistic effect of the organic-inorganic composite system and the functional additive. The layered structure design optimizes the slow-release effect of water and fertilizer, the water-absorbent resin enhances the water-retaining property, the slow-release fertilizer particles provide continuous nutrients, and the pH regulator maintains a suitable acid-base environment. Compared with a traditional substrate, the volume weight, the total porosity and the gas-water ratio of the substrate are more suitable for root growth, and the substrate is especially suitable for seedling raising of crops such as rice and traditional Chinese medicinal materials.

The invention discloses a plant sunscreen lotion with an anti-ultraviolet effect and application of the plant sunscreen lotion in a sunscreen product, and particularly belongs to the field of preparations for dressing and makeup. The plant sunscreen lotion with the anti-ultraviolet effect is prepared from a plant composition with the anti-ultraviolet effect, auxiliary materials and a solvent, the plant composition with the anti-ultraviolet effect comprises a polygonatum cyrtonema rhizome / root extract, a honeysuckle flower extract, a sophora flower bud extract, a centella asiatica extract and a butterflybush flower extract. The plant composition provided by the invention has the advantages that the components supplement each other and have a synergistic effect, and the plant composition has a good anti-oxidation effect and can effectively resist ultraviolet damage and play a photoprotection role; the sunscreen lotion containing the plant composition with the anti-ultraviolet effect, provided by the invention, has an excellent sunscreen effect.