17 results about "Paulownia" patented technology

This invention discloses PtoNAC028 The gene is used to regulate the ratio of pectin monomers in poplar trees. The coding region of this gene has the nucleotide sequence shown in SEQ ID NO:1. This is achieved through overexpression or silencing of the gene in poplar trees. PtoNAC028 Genes capable of increasing or decreasing the proportion of lignin monomers in poplar provide key genes for the genetic improvement of poplar processing traits. This invention also discloses a method for cultivating poplars with a high lignin monomer ratio, through overexpression of [gene name missing] in poplar trees. PtoNAC028 The gene can significantly increase the proportion of lignin monomers in poplar trees, achieving targeted regulation of monomeric lignin metabolism, which helps to rapidly cultivate new poplar varieties with excellent wood properties and fast growth.

The utility model relates to active substance extraction technical field, and one motor fixed setting is in the upper left side of pressure filter drum, and the spiral conveying shaft is rotated and is equipped with in the feed cylinder through the bearing, and the baffle fixed setting is in the right -hand member of pressure filter drum, and the spiral extruding rod is equipped with in pressure filter drum, and the both ends of spiral extruding rod respectively through bearing and feed pipe and baffle rotating joint after passing through pressure filter drum, and fixed cylinder is fixed setting respectively in the left and right sides in pressure filter drum inside, and the filter screen cylinder is movably sleeved on the spiral extruding rod, and the spiral blade edge of spiral extruding rod is fixedly set up with the one brush strip of movable resistance and contact of filter screen cylinder inner wall, and the two brush strips are fixed setting respectively in the front and back two sides of pressure filter drum inner wall, not only can synchronous cleaning to filter assembly in the pressure filtration process, avoid the filter hole and influence the filtration efficiency to block, still can carry on the crushing pretreatment in the feed process before pressure filtration, effectively improve the separation efficiency.

To provide a new anti-gray hair composition, a melanin production-promoting composition and a tyrosinase activity-enhancing composition.SOLUTION: To provide an anti-gray hair composition, a melanin production-promoting composition and a tyrosinase activity-enhancing composition each containing a hamamelis extract or a eucalyptus extract. The anti-gray hair composition, the melanin production-promoting composition and the tyrosinase activity-enhancing composition are preferably further used in combination with a paulownia leaf extract.SELECTED DRAWING: Figure 1

The invention discloses a traditional Chinese medicine medicated bath medicine bag for treating wind-cold-dampness arthralgia, and belongs to the technical field of traditional Chinese medicines. The medicine bag is prepared from 10-20 parts by mass of broussonetia papyrifera roots, pine roots, albizia roots, Chinese redbud roots, maidenhair roots, mulberry roots, banyan roots, camphor tree roots, paulownia roots and willow roots, preferably 15 parts. The preparation method comprises the steps of raw material weighing, drying treatment, mixing and subpackaging into an air-permeable fiber medicine bag, the medicine bag is a 20 cm * 15 cm rectangular cloth bag, three sides are sealed, and one side is provided with an opening and closing structure. Broussonetia papyrifera roots and camphor tree roots are used as monarch drugs together, and synergistically expel wind, remove cold, remove dampness and activate blood, and aim at the core pathogenesis of wind-cold-dampness arthralgia; the root medicinal materials of the whole formula walk through lower jiao and directly reach muscles and bones, are externally applied through fumigation medicated bath, avoid burdens of gastrointestinal tracts, livers and kidneys caused by oral administration, have the advantages of strengthening body resistance and harmonizing, quick response, direct action, high safety and the like, are convenient to use, and are suitable for family health care and clinical popularization.

The invention provides a natural plant feed additive for improving immunity and promoting growth as well as a preparation method and application thereof, and relates to the field of feed additives, the natural plant feed additive is prepared from fourteen plant raw materials including gynostemma pentaphyllum, scandent hop, gentiana macrophylla, glossy privet fruit, flatstem milkvetch seed, sargentgloryvine stem, sea-buckthorn, astragalus membranaceus, radish seed, Chinese violet, humifuse euphorbia herb, ampelopsis japonica, paulownia flower and platycodon grandiflorum. The additive has multi-dimensional biological activity of promoting growth, enhancing immunity, resisting oxidation and protecting organs, can improve the growth performance of livestock and poultry by improving the average daily gain and reducing the feed-gain ratio to optimize the feed conversion rate, and can construct a humoral immune barrier by reducing the secretion of proinflammatory factors and increasing the level of anti-inflammatory factors to improve the immunity of livestock and poultry. According to the present invention, with the application of the composition, the protein and lipid metabolism disorder can be improved, the activity of ALT, AST and ALP can be reduced so as to protect the liver and the kidney and maintain the steady state of the body, the overall health level of livestock and poultry can be improved without the dependence on chemical agents, and the reliable technical support can be provided for promoting the development of the green, safe and efficient livestock and poultry breeding mode.

The invention relates to the technical field of paulownia flower polysaccharide. The invention provides paulownia flower polysaccharide as well as a preparation method and application thereof, and the preparation method of the paulownia flower polysaccharide comprises the following steps: (1) crushing paulownia flower, sieving, and then degreasing to obtain a degreased sample; (2) extracting the degreased sample by using a hydrothermal method, and concentrating to obtain a water extraction concentrated solution; and (3) carrying out fractional precipitation on the water extraction concentrated solution, removing protein, dialyzing, and drying to obtain the paulownia flower polysaccharide. The paulownia flower polysaccharide is prepared from paulownia flowers, and an in-vitro experiment shows that the paulownia flower polysaccharide has a tyrosinase inhibition effect, so that the paulownia flower polysaccharide has a prospect of developing whitening cosmetics. The paulownia flower polysaccharide obtained through separation is compounded, the obtained composition can remarkably inhibit tyrosinase, and the composition is natural in component, wide in source, remarkable in whitening effect, affinity and free of irritation.

The present application discloses a precise supply device for Paulownia tree nutrition and an operating method thereof, and relates to the technical field of tree nutrition supply, which comprises two arc-shaped flow guide pipes, a plurality of supply pipes arranged on the lower end surface of the arc-shaped flow guide pipes, and a water inlet pipe arranged on the side wall of the arc-shaped flow guide pipe. The lower end surface of the supply pipe is fixedly installed with an inlet pipe, the bottom end of the inlet pipe is provided with an open-off cone head, the two arc-shaped flow guide pipes are fixedly installed together through the mounting ears at the two ends, the supply pipe and the arc-shaped flow guide pipe are connected with each other through an adapter pipe, a sealing plug is hingedly connected to the communication position of the adapter pipe and the supply pipe, and a first adjusting assembly is arranged on the side of the sealing plug away from the adapter pipe. The present application has the advantages that the arc-shaped flow guide pipe, the supply pipe and the inlet pipe are matched, the water source is led to the ground for irrigation after the inlet pipe is inserted into the soil, the evaporation on the ground is avoided, and the water resource is saved.

This application discloses a method for preparing a porous carbon / hydrophobic carbon paper electrode based on paulownia leaves and its application in water decomposition to produce H2O2, belonging to the field of electrochemical synthesis technology. The method uses waste paulownia leaves as a precursor, which are pretreated and calcined at high temperature under a protective atmosphere to obtain raw biochar. This raw biochar is then activated with KOH to obtain paulownia leaf-based porous biochar. This biochar is then mixed with a perfluorinated resin solution and anhydrous ethanol to prepare a catalyst dispersion, which is drop-coated onto a hydrophobic carbon paper substrate containing 20%–80% polytetrafluoroethylene (PTFE) and dried to obtain a composite electrode. This electrode uses hydrophobic carbon paper as a substrate, with a layered porous structure of paulownia leaf-based porous biochar loaded on its surface, exhibiting a specific surface area ≥600 m². 2 / g、I D / I G The value is 0.85~1.05. Using this electrode in a potassium carbonate electrolyte, a two-electron water oxidation reaction with a voltage of 1.5~4V vs. RHE can efficiently synthesize hydrogen peroxide, with an optimal yield of 43.48 mg / L and a Faraday efficiency of 25.32%. This application utilizes green and inexpensive raw materials and a simple process, achieving high-value utilization of biomass waste and providing a reliable solution for the green industrial production of hydrogen peroxide.

The invention provides a piglet health-care feed additive as well as a preparation method and application thereof, and belongs to the technical field of feed additives. The health-care feed additive for the piglets is prepared from the following raw materials in parts by weight: 30-50 parts of astragalus membranaceus, 30-50 parts of myrobalan, 25-40 parts of cynomorium songaricum, 25-40 parts of rhizoma alismatis, 25-40 parts of cortex lycii radicis, 20-30 parts of roasted rhizoma atractylodis macrocephalae, 20-30 parts of spina date seeds, 20-30 parts of bunge corydalis herb, 20-30 parts of acalypha australis, 10-20 parts of turmeric, 10-20 parts of paulownia leaves, 5-15 parts of loquat leaves, 3-5 parts of folium isatidis and 3-5 parts of hawthorn through processes such as fermentation, freeze drying and the like. The feed additive has the effects of regulating intestinal flora structures of piglets, increasing the number of beneficial bacteria in intestinal tracts, reducing field planting of harmful bacteria, reducing the occurrence rate of bacterial diarrhea of the piglets and the like, can replace antibiotics for use, does not remain harmful substances in pig bodies after being used, and is beneficial to realizing green and sustainable development of piglet breeding.

This application relates to an Agrobacterium-mediated genetic transformation method for balsa wood. The method includes: preparing an infection solution from Agrobacterium bacterial culture; using balsa wood seeds as seedlings, detached cotyledons or stem segments as explants, infecting the cotyledons or stem segments with the infection solution, and after infection, performing co-culture, recovery culture, and selection culture to obtain transgenic hairy roots or transgenic callus tissue. The scheme provided in this application enables stable transformation of balsa wood roots, verification of functional genes, and long-term survival in a living form, thus improving the efficiency of genetic transformation of balsa wood.

The invention discloses a preparation method of a cation modified delignification biochar material, which comprises the following steps: carrying out delignification treatment on balsa wood and paulownia wood, carrying out low-temperature pyrolysis at 300 DEG C, and modifying 2, 3-epoxypropyltrimethylammonium chloride (EPTAC) to prepare an efficient adsorbent with a macroporous structure, hydrophobicity and electropositivity. According to the application, efficient adsorption of micro-plastics is realized through synergistic mechanisms such as electrostatic attraction, pi-pi interaction, hydrophobic interaction and hydrogen bonds, the maximum adsorption capacity reaches 463.7 mg g, the removal rate in an actual water body exceeds 89%, and excellent cycle stability is achieved. The problems that a traditional wood-based adsorbent is high in cost, low in efficiency and difficult to recycle are solved, and a sustainable technical path is provided for micro-plastic pollution treatment.

This item is a paulownia wood box with a window and an internal divider.

The skin condition is improved by the anti-inflammatory action and the antioxidant action on the skin, and the scalp is improved to an environment suitable for promoting hair growth.SOLUTION: The external preparation of the present disclosure contains paulownia powder obtained by pulverizing the trunk and / or root of paulownia. This external preparation can be configured to be applicable to the scalp or hair of a person by mixing paulownia powder with a predetermined liquid. A hair growth method using such an external preparation for scalp or hair includes an application step of applying paulownia powder mixed with a liquid to the scalp and / or hair of a subject, and an irradiation step of irradiating the paulownia powder applied to the scalp and / or hair of the subject with infrared rays.SELECTED DRAWING: Figure 1

The invention relates to the technical field of plant disease control, in particular to application of a pyridine-2, 6-dicarboxylic acid aqueous solution in inhibition of plant soil-borne diseases. According to the application, the pyridine-2, 6-dicarboxylic acid aqueous solution is applied to inhibition of paulownia soil-borne diseases for the first time, and the pyridine-2, 6-dicarboxylic acid is applied to paulownia continuous cropping soil, so that growth of fusarium key soil-borne pathogenic bacteria can be efficiently and specifically inhibited. The compound has a significant dose-dependent inhibition effect on fusarium, and effectively blocks the main pathogenic pathway of paulownia replanting disease. A healthy root growth environment is created for paulownia. Pot experiments prove that the biomass of the treated paulownia plants is obviously increased, and the root development condition is obviously improved.

1. The name of the design product: silicone mold (paulownia candle stand). 2. The use of the design product: silicone mold for making paulownia candle stand by dripping glue. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other changes in the situation that need to be explained: the use state in the design refers to the model made by the mold in figure 1-2.