39 results about "Cyclocarya" patented technology

The invention provides green sugar capable of effectively treating hyperglycemia and a preparation method of the green sugar. The green sugar comprises 10-20 parts of cyclocarya paliurus leaves, 5-8 parts of compatible medicines, 2-5 parts of a synergist, 5-7 parts of grape seeds and 1-2 parts of bitter gourds. Through reasonable compatibility, the green sugar is prepared, the green sugar has a very good effect of treating hyperglycemia, meanwhile, the raw materials are few, preparation is easy, storage is easy, taking is easy and convenient, hyperglycemia complications are effectively reduced, long-term taking can be achieved, mixed extraction of the cyclocarya paliurus leaves and compatible medicines can change the pH value, viscosity and the like in the mixed extraction process, and the green sugar can be used for treating hyperglycemia. The dissolution of effective components in the cyclocarya paliurus leaves is improved, the extraction efficiency is improved, meanwhile, the spleen tonifying effect of the Chinese yam can promote the absorption of the effective components in the cyclocarya paliurus leaves by human bodies, the defect of deficiency-cold in spleen and stomach possibly caused by the burdock roots is relieved, and meanwhile, the generation links and cost are reduced through mixed extraction.

The invention belongs to the technical field of plant active ingredient extraction, and relates to a segmented enzymolysis-cascade membrane separation extraction method of cyclocarya paliurus combined-state selenium polysaccharide and the combined-state selenium polysaccharide prepared by the method. The method comprises the following steps: firstly, constructing a first extraction system for a cyclocarya paliurus leaf raw material, carrying out first-stage enzymolysis, inactivation and solid-liquid separation, separating a first liquid phase through a nanofiltration membrane to form a low-molecular selenium-containing component flow, and excluding the low-molecular selenium-containing component flow in a subsequent alcohol precipitation and recovery step; and constructing a second extraction system from the first solid phase, carrying out second-stage enzymolysis, inactivation and solid-liquid separation, sequentially carrying out microfiltration, first ultrafiltration, second ultrafiltration and nanofiltration washing on the second liquid phase, and carrying out ethanol precipitation to obtain the combined-state selenium polysaccharide. The proportion of target molecular weight interval components in the obtained product is increased, the mass fraction of polysaccharide is increased, and the proportion of inorganic selenium, the mass fraction of protein and the ash content are reduced.

This invention discloses a strain of *Carya volvacea* ZZNS-Y2 and its applications, belonging to the field of microbial application technology. The *Carya volvacea* (… Daldinia sp. The preservation number of ZZNS-Y2 is CCTCC NO: M 20241561. The method includes the following steps: *Cyclocarya paliurus* ZZNS-Y2 is cultured on one of the following solid-state fermentation media: corn, potato, corn grits, or rice. After extraction and concentration, the compounds crocusatin C and jasminodiol are separated by silica gel column chromatography, gel column chromatography, and high-performance liquid chromatography. The method of this invention is efficient, pollution-free, has mild reaction conditions, is not limited by plant resources, and is easy to scale up for production.

This invention relates to a rooting agent and seedling cultivation method for promoting rooting of *Cyclocarya paliurus* cuttings, belonging to the field of plant asexual reproduction technology. It solves one of the problems in existing *Cyclocarya paliurus* seedling cultivation: low rooting rate, long rooting time, few and poor-quality adventitious roots, and low transplant survival rate. This invention discloses a rooting agent for promoting rooting of *Cyclocarya paliurus* cuttings, which consists of two components, A and B. Component A consists of potassium indolebutyrate, soluble starch, chlorogenic acid, salicylic acid, and talc; component B consists of indolebutyric acid, sucrose, chlorogenic acid, vitamin C, and talc. Using the above-mentioned rooting agent and the corresponding seedling cultivation method, rapid rooting of *Cyclocarya paliurus* cuttings is achieved, with a rooting rate as high as 93.06%, and a large number and good quality of adventitious roots, resulting in a transplant survival rate of 90.37%.

The invention relates to the technical field of tea drinks, in particular to cyclocarya paliurus yellow tea and a preparation method thereof, and particularly relates to a cyclocarya paliurus leaf fermentation method and cyclocarya paliurus yellow tea formed by blending and mixing fermented cyclocarya paliurus leaves and black tea according to a certain proportion. The cyclocarya paliurus leaf fermentation method comprises the steps of withering, rolling, fermenting and drying. The water content of the withered cyclocarya paliurus leaves is 58-62 wt%; the cell destruction rate of the rolled cyclocarya paliurus leaves reaches 85% or above, and the strip forming rate of the leaves is 90% or above; the fermentation degree is 15-20%, 90% or more of the leaf color of the cyclocarya paliurus leaves after fermentation becomes copper red, and the liquor color is bright yellow; the drying comprises gross fire drying, spreading for cooling and complete fire drying which are performed in sequence; the moisture content after the first fire drying is 20wt%, and the moisture content after the full fire drying is 6wt%. The cyclocarya paliurus leaves are processed through a fermentation technology, the fermented cyclocarya paliurus leaves and the black tea are blended and mixed according to a certain proportion, the cyclocarya paliurus yellow tea which is unique in flavor and suitable for human health is formed, the cyclocarya paliurus yellow tea and the black tea are in synergistic interaction, the requirements of consumers for health functions are met, the acceptability of the public for the flavor of tea drinks is met, and the cyclocarya paliurus yellow tea is suitable for popularization and application. A new way is opened up for high-value utilization of the cyclocarya paliurus leaves.

The utility model discloses a cutting device for cyclocarya paliurus planting, which comprises a box body, a motor box is arranged at the front end of the box body, a plurality of uniformly distributed connecting rods are slidably sleeved in the box body, a connecting ring is fixedly connected in each connecting rod, the top of each connecting rod is fixedly connected with a fixed seat, and the fixed seat is fixedly connected with the motor box. A connecting column is slidably connected into the fixing base in a sleeved mode, a positioning ring is fixedly connected to the outer side of the connecting column, and an irrigation frame is arranged on the box body. According to the cyclocarya paliurus irrigation device, the irrigation frame and the irrigation pipe are matched for use, cyclocarya paliurus can be irrigated, meanwhile, through the action of the lifting motor, the output end of the lifting motor can drive the driving wheel and the belt to rotate, then the transmission wheel can be driven to rotate, the transmission wheel can drive the threaded rod to rotate, and threaded movement of the irrigation pipe can be achieved; the irrigation pipe can move in the vertical direction, so that the irrigation height can be adjusted according to the production height of the cyclocarya paliurus.

The invention relates to a method for preparing cyclocarya paliurus total triterpenoid saponin, which comprises the following steps of: sequentially eluting a cyclocarya paliurus crude extract by using an aluminum oxide column, decolorizing by using activated carbon, refrigerating, standing and crystallizing, and adopting an activated aluminum oxide dry-method column chromatography mode to obtain a cyclocarya paliurus total triterpenoid saponin product, the purity and the yield can reach 90% or more, and the cyclocarya paliurus total triterpenoid saponin product is good in taste and pure in sweet taste. Particularly, an activated aluminum particle filler with a large specific surface area and a rich pore structure is prepared, so that on one hand, the total triterpenoid saponins of the cyclocarya paliurus can be effectively enriched, on the other hand, uncomfortable bitter and astringent components in the cyclocarya paliurus can be effectively removed, and on the other hand, impurities such as pesticide residues, heavy metals, plasticizers, pigments, proteins and the like can be effectively removed; the system environment after concentration is facilitated, and crystallization and separation of the cyclocarya paliurus total triterpenoid saponin are facilitated.

The invention belongs to the field of plant maintenance, and particularly relates to a composition for cultivating dwarf cyclocarya paliurus seedlings and a method and application thereof. The composition is composed of a triiodobenzoic acid solution, a phosphate fertilizer and a potash fertilizer, triiodobenzoic acid can reduce the height of cyclocarya paliurus seedlings, increase of the ground diameter of the seedlings is promoted, dwarfing of the cyclocarya paliurus seedlings is facilitated, and the phosphate fertilizer and the potash fertilizer can adjust the leaf length, the leaf width and the leaf thickness of the cyclocarya paliurus seedlings. The cyclocarya paliurus seedlings can be better dwarfed by combining the scientific proportion with the composition, and theoretical and technical support is provided for promoting large-area popularization of cyclocarya paliurus artificial economic forests.

The utility model discloses a cyclocarya paliurus leaf juice extracting device, and relates to the technical field of cyclocarya paliurus leaf processing, the cyclocarya paliurus leaf juice extracting device comprises a liquid accumulation box, the inner wall of the liquid accumulation box is fixedly connected with a partition plate, the inner wall of the liquid accumulation box is provided with two sliding grooves, the inner walls of the two sliding grooves are fixedly connected with compression springs, the liquid accumulation box is internally provided with an abutting plate, and the abutting plate is provided with a pressing plate. The two ends of the abutting plate are in sliding connection with the inner walls of the sliding grooves. The cyclocarya paliurus leaf filtering device is reasonable in design structure, the output end of the second motor can drive the pressing plate to extrude cyclocarya paliurus leaves on the upper surface of the filtering bushing plate, meanwhile, the first motor works to drive the eccentric wheel to rotate, the abutting plate vibrates, leaking holes in the filtering bushing plate are cleaned in time under the cooperation of the abutting needle, and the filtering efficiency is improved. The filtering leakage plate can be prevented from being blocked continuously, part of residues on the outer surface of the abutting plate can be vibrated to fall into the liquid accumulation box, the filtering effect of the device is ensured, and meanwhile, the leakage holes in the filtering leakage plate can be cleaned and dredged conveniently in the follow-up process.

The invention discloses protein milk shake beneficial to resisting oxidation and relieving physical fatigue and a preparation method of the protein milk shake, and relates to the field of functional foods. The protein milk shake contains a high-antioxidant composition, and the high-antioxidant composition comprises the following components in parts by mass: 20-25 parts of whey protein, 2-10 parts of a ginseng extract, 3-7 parts of a chamomile extract and 1-5 parts of a cyclocarya paliurus extract. The protein milk shake provided by the invention has an excellent anti-oxidation effect, free radicals in a body can be removed, and the protein milk shake can also effectively improve the fatigue resistance.

This invention relates to the field of insect sex pheromone preparation technology, specifically to a method for preparing and applying a sex pheromone and its lure for controlling the Chinese moth *Cyclocarya paliurus*. Using GC-EAD and GC-MS technologies, this invention identified two sex pheromones, Z9-16:Ald and Z9,Z12,Z15-18:Ald, from the gonad extracts of female *Cyclocarya paliurus* moths. The sex pheromone provided by this invention has a clearly defined composition and optimized ratio. The lure preparation process is simple, has a long-lasting effect, and the trap has strong color adaptability. It enables efficient monitoring and green control of *Cyclocarya paliurus*, completely replacing chemical pesticides, is environmentally friendly, and suitable for widespread application in urban gardens and residential areas.

The invention relates to the technical field of cyclocarya paliurus processing, and discloses a selenium-rich cyclocarya paliurus processing conveying device which comprises a cleaning tank and a conveying belt, the conveying belt is arranged in the cleaning tank and used for conveying cyclocarya paliurus leaves into the cleaning tank to be cleaned, and telescopic rods are installed at the four corners of the top of the cleaning tank. According to the cyclocarya paliurus leaf cleaning device, a telescopic rod moves up and down to push a movable frame and a fixed block on the movable frame to move up and down, then a conveying belt located in a cleaning tank swings up and down in water, dust on the surfaces of cyclocarya paliurus leaves can be better cleaned away, then a contact block is used for making contact with a through hole of the conveying belt below, and through continuous contact, dust on the surfaces of the cyclocarya paliurus leaves is removed. According to the cyclocarya paliurus leaf conveying device, the cyclocarya paliurus leaf conveying device is arranged on the conveying belt and cooperates with the coil spring to push the turning plate to turn downwards, so that the continuous stirring effect is achieved, the stacked cyclocarya paliurus leaves are stirred aside, the cyclocarya paliurus leaves can be evenly spread between the conveying belt and the fixing strip and then conveyed into the cleaning tank to be cleaned, and the situation that the cyclocarya paliurus leaves are stacked together, and the cleaning effect is affected is avoided.

Flavonoid extract of Cyclocarya paliurus leaves is used in the preparation of antibacterial drugs and / or antibacterial agents against the bacteria that are resistant to conventional antibiotics. Experiments have proved that the flavonoid extract of C. paliurus leaves has obvious killing effect on methicillin-resistant Staphylococcus aureus strains, which provides a potential resolution to the problem that methicillin-resistant S. aureus strains are resistant to most beta-lactam antibiotics.

The invention discloses cyclocarya paliurus and tartary buckwheat granular tea with functions of reducing blood sugar, reducing blood lipid and resisting oxidation and a preparation method, and belongs to the technical field of functional food. The granular tea is prepared from 20-40% of cyclocarya paliurus powder, 60-80% of cured tartary buckwheat powder and a proper amount of food-grade auxiliary materials, wherein the cyclocarya paliurus powder comprises directly sieved powder and extracted concentrated powder. The preparation method comprises the following steps: pretreating the raw materials, mixing according to a scientific ratio, granulating by adopting a wet method or dry pressing to prepare 0.5-2.5 mm granules, drying at a low temperature until the moisture content is less than or equal to 5%, and sealing and packaging in a dark place. According to the present invention, the composition has characteristics of synergistic interaction, excellent taste and high active component absorption rate, is suitable for metabolic syndrome people including cold bodies, has characteristics of simple and controllable process, is suitable for industrial production, and has good application prospects.

The invention provides a construction method of a cyclocarya paliurus root system VIGS instantaneous silencing system. The construction method comprises the following steps: connecting a cyclocarya paliurus CpMYC2 gene with pTRV2 to obtain a recombinant vector pTRV2-CpMYC2; the method comprises the following steps: respectively transforming vectors pTRV2-CpMYC2 and pTRV1 into agrobacterium, so as to obtain agrobacterium containing a recombinant vector pTRV2-CpMYC2 and agrobacterium containing an auxiliary vector pTRV1; the method comprises the following steps: respectively inoculating a pTRV2-CpMYC2-containing agrobacterium tumefaciens and a pTRV1-containing agrobacterium tumefaciens into an LB liquid culture medium; collecting thalli, and resuspending the thalli by using the infection liquid; mixing the two resuspension solutions to obtain a dip dyeing bacterial solution; and infecting the root system of the cyclocarya paliurus with the infection bacterial liquid by adopting a vacuum pumping method or a root injury soaking method. The invention also provides application of the method in verification of cyclocarya paliurus gene functions. The cyclocarya paliurus root system is infected through the method, a target gene silencing system is constructed, and a foundation is laid for cyclocarya paliurus gene function research.

The invention discloses a composition containing a cyclocarya paliurus extract and application of the composition. The invention provides a composition (NGI extract) containing a cyclocarya paliurus extract. The flavone content of the composition is greater than 50%. The composition containing the cyclocarya paliurus extract has the application of reducing blood sugar and blood fat.

The invention provides beauty application of a cyclocarya paliurus extract. The beauty application is selected from the group consisting of increasing ATP, FLG, LOR, TGM1 and IVL and / or inhibiting TRPV1. The invention also relates to application of the cyclocarya paliurus extract in preparation of a skin external preparation with effects of improving ATP, FLG, LOR, TGM1 and IVL and / or inhibiting TRPV1.

The invention provides specific primers and a rapid detection method used for detecting or identifying solanum tuberosum and application of the solanum tuberosum, the primer pair is PCTF1 / PCTR1, the nucleotide sequence of an upstream primer PCTF1 is shown as SEQ ID No: 1, and the nucleotide sequence of a downstream primer PCTR1 is shown as SEQ ID No: 2. The target sequence detected by the primer disclosed by the invention is a translation elongation factor (TEF) gene, the gene expression regulation is very conservative, and the gene sequence has high evolution conservative property and can be used as a DNA bar code of a point between species. The specific primer provided by the invention has the advantages of being good in specificity, high in sensitivity, economical, short in time consumption and the like when being used for detecting the brachycladium cucumerinum, and can play an important role in early diagnosis of the angelica sinensis root rot disease caused by Plectosphaerella cinerina.

This invention relates to the field of microbial technology, and provides a composite microbial suspension comprising a *Streptococcus pyogenes* R3 suspension and a *Cyclocarya pallida* N4 suspension in a volume ratio of 1-2:1-2; the *Streptococcus pyogenes* R3 classification name is... Herbaspirillum sp. R3 was deposited on September 20, 2023, at the China Center for Type Culture Collection (CCTCC), Wuhan University, Wuhan, China, with accession number CCTCC NO: M 20231757; the taxonomic name of Chlorella N4 is... Chryseobacterium endophyticum N4 was deposited on March 31, 2025, at the China Center for Type Culture Collection (CCTCC), Wuhan University, Wuhan, China, with accession number CCTCC NO: M 2025633. The aforementioned composite microbial suspension promotes nitrogen fixation and nitrogen conversion.

The invention provides a tea composition for reducing blood uric acid as well as a preparation method and application thereof, and belongs to the technical field of tea compositions. The tea comprises the following raw materials in parts by weight: 1-10 parts of Baihao silver needle, 1-9 parts of large-leaf white tea, 1-9 parts of mulberry leaf tea, 1-9 parts of cyclocarya paliurus, 1-5 parts of dandelion, 1-8 parts of pericarpium citri reticulatae, 1-6 parts of corn stigma and 1-5 parts of rose. The tea has the effect of reducing blood uric acid, and is rich in tea soup aroma, pure in taste and long in aftertaste. According to the composition, the Baihao silver needle is used as a monarch material to directly act on the pathogenesis of damp-heat; corn stigma and dandelion are used as ministerial drugs to construct a double mechanism of inhibiting generation and promoting excretion; cyclocarya paliurus, mulberry leaves and large-leaf white tea are used as assistants to regulate and control metabolic disorder in a multi-target manner; the dried orange peel and the rose are used as guide materials to regulate medicine properties and improve symptoms. The whole formula focuses on the characteristic of'deficiency in root and excess in superficies' of hyperuricemia, and gives consideration to etiological treatment and symptom relief.

When the four-wheel driving device of the cyperus esculentus harvester roller is used, power is distributed to the front side and the rear side through the middle gearbox to be output, the rear side is input to the rear gearbox through the rear transmission shaft, and the rear gearbox converts 90 degrees and then transmits the power to the rear left transmission shaft. The rear left transmission shaft transmits the power to a rear left driving wheel and a rear right driving wheel, the rear left driving wheel and the rear right driving wheel are connected through a rear right transmission shaft, and synchronous rotation of the two driving wheels on the rear side is achieved; the front side inputs power to the front gearbox through the front transmission shaft, the front gearbox converts 90 degrees and then transmits the power to the front left transmission shaft, the front left transmission shaft transmits the power to the front left driving wheel and the front right driving wheel, the front left driving wheel and the front right driving wheel are connected through the front right transmission shaft, and synchronous rotation of the two driving wheels on the front side is achieved. The cyperus esculentus screening device can drive the circular roller to rotate in the left-right direction to screen cyperus esculentus, and is stable in structure, low in failure rate and easy to replace.

The invention relates to the technical field of cyclocarya paliurus processing, and discloses a cyclocarya paliurus composite solid beverage and a preparation method thereof, and a plant composition comprises the following raw material components: cyclocarya paliurus leaves, rhizoma polygonati, haws and Chinese wolfberry fruits in a mass ratio of 3: 1: (1-3): 1. According to the cyclocarya paliurus beverage, four medicinal and edible plants including cyclocarya paliurus leaves, rhizoma polygonati, haws and Chinese wolfberry fruits are extracted by adopting a water extraction method, the method meets the requirements of related food safety standards of new food raw materials, meanwhile, rhizoma polygonati, haws and Chinese wolfberry fruits are added into the cyclocarya paliurus beverage, the flavor of the cyclocarya paliurus beverage is optimized, and meanwhile, the nutrition of the components is matched; the cyclocarya paliurus composite solid beverage has the advantages that the cyclocarya paliurus composite solid beverage is prepared by mixing four medicinal and edible plant dry extract powder of cyclocarya paliurus leaves, rhizoma polygonati, haws and Chinese wolfberry fruits with sodium carbonate, citric acid and erythritol, and the prepared cyclocarya paliurus composite solid beverage can be quickly dissolved without the conditions that the particles are difficult to dissolve, agglomerate, stick to cup walls and the like when being brewed with warm water.

The invention provides a cyclocarya paliurus leaf water extract as well as a preparation method and application of the cyclocarya paliurus leaf water extract. The cyclocarya paliurus leaf water extract disclosed by the invention is an extract obtained by carrying out water extraction on cyclocarya paliurus leaves, and the cyclocarya paliurus leaf water extract contains quinic acid, neochlorogenic acid, chlorogenic acid, 4-hydroxybenzoic acid, gallic acid, quercetin 3L glucoside, astragaloside, kaempferol, Quadranoside IV, kaempferol-3-O-glucoside, kaempferol-3-O-rhamnoside, quercetin and asiatic acid. The cyclocarya paliurus leaf aqueous extract provided by the invention can be used for preparing products for improving skin inflammation induced by UVB (ultraviolet radiation b), such as skin care cosmetics.

The invention belongs to the technical field of biology, and particularly relates to a scrota-derived antibacterial peptide and application thereof. The antibacterial peptide from the scrota is SPC-1 or SPC-2, and the antibacterial peptide from the scrota is SPC-2; wherein the amino acid sequence of the SPC-1 is as shown in a sequence table SEQ ID NO. 1, and the amino acid sequence of the SPC-2 is as shown in a sequence table SEQ ID NO. 2. The scrota antibacterial peptide provided by the invention is novel in amino acid sequence, has remarkable antibacterial activity on gram-negative bacteria and gram-positive bacteria, shows broad-spectrum antibacterial property, and has the advantages of low hemolysis toxicity, low cytotoxicity and high safety, and by virtue of the characteristics, the scrota antibacterial peptide shows excellent antibacterial value; and a new resource is provided for the development of antibacterial products against the human pathogenic bacteria.

The invention relates to the technical field of food processing and manufacturing, in particular to sugar-controllable cyclocarya paliurus milk and a preparation method thereof, and particularly provides the sugar-controllable cyclocarya paliurus milk which comprises the following components in percentage by weight: 1wt%-5wt% of cyclocarya paliurus powder, 1wt%-5wt% of cyclocarya paliurus milk powder, 1wt%-5wt% of cyclocarya paliurus milk powder and the balance of water. 80 wt% to 90 wt% of milk; 5 wt% to 10 wt% of water; and 0.1 wt% to 0.5 wt% of a stabilizer. The cyclocarya paliurus is added into the milk beverage, so that the beverage is fresh, sweet and natural in taste, active ingredients in the cyclocarya paliurus powder are also beneficial to regulating blood sugar, the milk provides high-quality protein and calcium, and the cyclocarya paliurus powder is rich in flavonoids and polysaccharides and has antioxidant and health-care functions. The beverage integrates nutrition, health, deliciousness and culture, not only can meet the taste bud of people, but also can nourish the body and mind and improve the life quality.

The invention provides a construction method of a cyclocarya paliurus leaf VIGS instantaneous silencing system. The construction method comprises the following steps: connecting a CpPDS gene with pTRV2 to obtain a vector pTRV2-CpPDS; the method comprises the following steps: respectively transforming carriers pTRV2-CpPDS and pTRV1 into agrobacterium tumefaciens, and then coating an LB solid culture medium; the method comprises the following steps: respectively inoculating agrobacterium containing a carrier pTRV2-CpPDS and agrobacterium containing a carrier pTRV1 into an LB liquid culture medium; collecting thalli, and resuspending the precipitate by using an infection solution; mixing the two resuspension solutions to obtain a dip dyeing bacterial solution; the leaf backs and leaf stems of the cyclocarya paliurus are scratched, and the cyclocarya paliurus are put into the dip-dyeing bacterial liquid to be soaked, or the scratched parts are wrapped with cotton absorbing the dip-dyeing bacterial liquid. The invention also provides application of the method in verification of cyclocarya paliurus gene functions. Cyclocarya paliurus leaves are infected through the method, a silence system of a target gene is constructed, the expression level of the target gene can be reduced, and a foundation is laid for cyclocarya paliurus gene function research.

This invention discloses a method for cultivating sea urchins that can improve their immunity. The method involves pre-introducing *Cyclocarya paliurus*, *Bacillus subtilis*, and photosynthetic bacteria (*Rhodopseudomonas palustris*) into the cultivation pond to cultivate a symbiotic system of bacteria and algae. During the sea urchin cultivation process, this symbiotic system is maintained by controlling the light intensity and applying specific nutrients. When combined with conventional sea urchin cultivation methods under this system, the immunity of sea urchins can be significantly improved, ultimately achieving the goal of increasing the survival rate and growth rate of the cultivated sea urchins.

The invention relates to the technical field of biological medicines, in particular to application of cyclocarya paliurus leaves or an extract thereof in preparation of a helicobacter pylori bacteriostatic agent. The helicobacter pylori bacteriostatic agent is used for inhibiting the helicobacter pylori with the preservation number of GDMCC 1.1820, the helicobacter pylori with the preservation number of GDMCC 1.1823 and the helicobacter pylori B5-3 with the preservation number of GDMCC 1.1823. The preparation method of the extract comprises the following steps: mixing crushed cyclocarya paliurus leaves and water, heating and extracting to prepare the extract. The invention provides a new scheme for inhibiting helicobacter pylori.

The invention belongs to the technical field of special medical food, and particularly relates to development of special medical food for diabetes by compounding marine active substances with homology of medicine and food. The product is prepared by compounding marine active substances (such as algal polysaccharides, alginic acid and marine collagen) and medicinal and edible components (such as cyclocarya paliurus, folium mori and radix puerariae) as a core through scientific proportioning and a special medical food compliance process. The product has a remarkable blood sugar reducing effect, provides comprehensive nutrition support and is suitable for diabetics. The core technology comprises the steps of extraction and purification of marine active substances, synergistic interaction proportioning of medicinal and edible components and standardized production process of special medical food. Clinical tests show that the product can effectively regulate the blood sugar level and improve blood fat metabolism, and has no side effect.

The application discloses a method for preparing quercetin-3-O-glucuronide from Cyclocarya paliurus, and belongs to the technical field of Chinese herbal medicine development. The quercetin-3-O-glucuronide is separated from the Cyclocarya paliurus by utilizing the polar characteristics of the quercetin-3-O-glucuronide, and the purity reaches 98%, which indicates that the method for preparing the quercetin-3-O-glucuronide from the Cyclocarya paliurus has a development prospect.