35 results about "Plant Sources" patented technology

The application discloses a compound preparation for preventing and treating plant powdery mildew and application thereof, and belongs to the technical field of plant source pesticides. The compound preparation for preventing and treating plant powdery mildew has at least one of 3,3-dimethoxy-1-propylene, (E)-3,7,11,15-tetramethyl-2-hexadecen-1-ol and (Z,E)-3,7,11,15-tetramethylhexadecene-1-al as an effective component. The compound preparation not only has a good prevention and treatment effect on tobacco powdery mildew, but also has significant inhibitory activity on powdery mildew on ilex. The effective component used is a plant source compound, and has the characteristics of safety and greenness. The compound preparation has important application prospects in the field of prevention and treatment of tobacco powdery mildew and ilex powdery mildew.

This invention discloses a method for preparing selenium-cuprous oxide-lithium saponite composite nanozymes from plant-derived complexes and their antibacterial applications, belonging to the fields of nanomaterials technology and antibacterial agents. The method includes the following steps: using peeled lithium saponite as a carrier, and utilizing a plant-derived complex formed from quinoa husk extract, aloe-emodin, and ascorbic acid as a reducing agent and stabilizer, the selenium-cuprous oxide-lithium saponite composite nanozyme is synthesized. The resulting composite nanozyme has a core-shell structure, with lithium saponite nanosheets as a carrier and uniformly distributed selenium-cuprous oxide nanoparticles on the surface. It exhibits excellent peroxidase-mimicking activity, catalyzing the generation of a large number of reactive oxygen species and disrupting bacterial cell structure. It shows significant antibacterial effects against various drug-resistant bacteria, and possesses good biocompatibility and environmental friendliness, showing broad application prospects in antibacterial therapy, wound dressings, and biomedical engineering.

The present invention relates to coacervated core-shell microcapsules of vegetable origin, wherein the shell comprises a vegetable protein extract, as well as to the methods and uses thereof.

DEPCT67 What was revealed was a plant-derived iron supplement in particle form, containing iron in the specified amount. At least 40 mg per 100 g of dry weight of the substance, and of which at least 50% by volume of the additive. It has an apparent diameter of less than 500 micrometers;

The application discloses a kind of composite nanofiber face masks and preparation method thereof, belong to skin care product technical field, composite nanofiber face mask includes fiber matrix and plant source active ingredient, plant source active ingredient includes one or more of rice bran extract, aloe extract and green tea polyphenol, fiber matrix includes polyvinyl alcohol and silk fibroin, the mass ratio of plant source active ingredient and fiber matrix is 10-18:100.The application uses the above-mentioned one kind of composite nanofiber face mask and preparation method thereof, and plant source active ingredient containing natural antibacterial component is physically embedded and dispersed in fiber interior or fiber network, relies on dry state storage and physical stabilization process, it is helpful to improve the dry state storage stability of product, and reduces the dependence on traditional preservative system.

The present application belongs to the technical field of aquaculture, and particularly relates to a plant source composite preparation for reducing antibiotic residues in cultured aquatic products, and a preparation method and use method thereof. The plant source composite preparation comprises the following raw materials in parts by weight: 20.0-35.0 parts of a composite plant extract, 0.5-2.0 parts of glucose oxidase, and 0.8-3.0 parts of bile acid; wherein the composite plant extract comprises extract of dried orange peel, extract of licorice, extract of sea buckthorn, extract of sophora fruit, extract of mulberry leaf, extract of bupleurum, and extract of green tea. The plant source composite preparation is prepared by stepwise mixing, and then mixed with feed at a ratio of 0.4-1:100 and fed for 5-10 days, so as to accelerate the metabolism and excretion of antibiotics, shorten the drug holiday, and ensure the quality and safety of aquatic products.

The present application relates to the technical field of plant extract application, and discloses a plant source composition capable of reducing uric acid and a preparation method thereof, comprising the following steps: sequentially crushing, drying, supercritical CO2, ultrasonic extraction and vacuum drying grape seeds to obtain grape seed extract; mixing chicory, mulberry leaves, plantain and purslane, and then sequentially performing freeze-drying, crushing and ultrasonic extraction to obtain a mixed extraction liquid, and vacuum drying to obtain a mixed plant extract; and mixing the grape seed extract, the mixed plant extract and soybean extract to obtain the plant source composition capable of reducing uric acid. The composition is composed of soybeans, grape seeds, chicory, mulberry leaves, plantain and purslane, all of which are homologous in medicine and food or widely used plants, have no specific toxicity targets of chemical drugs, and are suitable for long-term intervention of ordinary high uric acid people, drug contraindicated people and mild to moderate patients.

The application discloses a plant source campesterol Yarrowia lipolytica production strain and a construction method. 12 The application is constructed as follows: (1) taking Yarrowia lipolytica strain AHH 7 as a chassis, introducing Δ 24 \-sterol-C5(6)-desaturase gene 28 _DWF7, 7-dehydrocholesterol reductase gene At _DWF5 and Δ At \-sterol reductase gene Ar _DWF1 from Arabidopsis thaliana, and obtaining a recombinant strain Yl001; (2) recovering a URA3 nutritional marker in the strain Yl001, integrating the genes ARE1 and the URA3 nutritional marker into an ERG4 site of the Yl001, and knocking out the gene ERG4, to obtain a plant source campesterol Yarrowia lipolytica production strain Yl006; the yield of the plant source campesterol of the strain Yl006 is increased by 21.83%, reaching 343.34 mg / L.

The present application relates to the field of agricultural biotechnology, and particularly relates to a CEPro722 promoter and application thereof.The CEPro722 promoter comprises a nucleotide sequence as shown in SEQ ID NO.1 or a nucleotide sequence as shown in SEQ ID NO.2.The present application is screened from a GRMZM2G069722 gene, and the CEPro722 promoter can drive gene expression in plants such as rice, wheat or corn; and particularly, the promoter can drive high and stable expression in various tissues such as plant callus, leaf in the vegetative growth period, young ear and seed, and can replace a non-plant source promoter.The CEPro722 promoter provided in the present application has important significance in the field of plant genetic engineering, and can effectively reduce potential safety risks of transgenic plants caused by exogenous DNA.

The application discloses a composition for inhibiting degradation and odor of ergothioneine, which is compounded by ergothioneine, liquorice extract and cyclodextrin, and the mass ratio of the ergothioneine, the liquorice extract and the cyclodextrin is 1:(0.5-20):(5-200). The composition can improve the stability of the ergothioneine under high-temperature light, light and normal-temperature conditions in a solution and skin care products, inhibit degradation of the ergothioneine, and obviously improve product odor; in addition, the liquorice extract is a plant-derived extract, is widely applied and has good safety, and triterpenoids such as glycyrrhizic acid contained in the liquorice extract can synergistically improve the antioxidant effect of the ergothioneine, so that the composition can be well applied in the field of cosmetics. The application further discloses an application of the composition for inhibiting degradation and odor of ergothioneine.

This invention relates to plant exosomes derived from depleted blood flow, their preparation method, and applications. The preparation method includes: mixing depleted blood flow tissue with a buffer solution and homogenizing the mixture to obtain a homogenate; enzymatically hydrolyzing the homogenate before multi-stage gradient centrifugation to promote exosome release, obtaining an enzymatic hydrolysate; performing multi-stage gradient centrifugation on the enzymatic hydrolysate to obtain a supernatant; and filtering the supernatant to obtain depleted blood flow exosomes. Compared with existing technologies, the preparation process of this invention is simple and safe, and the resulting product has good integrity and biological activity, possessing antioxidant, anti-inflammatory, antibacterial, cell viability protection, and UV and blue light protection effects. Depleted blood flow exosomes can be used as functional active ingredients in cosmetics or as carriers of active substances to improve their stability, solubility, and skin absorption efficiency. This invention not only expands the application pathways of depleted blood flow resources but also provides new technical means and application value for the development of plant-derived exosomes in functional cosmetics and topical preparations.

This invention discloses a cat food with added plant-derived organic selenium and its function of regulating intestinal flora, as well as a method for preparing the same. The cat food is based on a standard cat food formula and fortified with probiotics, prebiotics, and plant-derived organic selenium. The probiotics are added at a concentration of 60–80 × 10⁹ CFU / kg, comprising 3–4 strains. The prebiotics include inulin, fructooligosaccharides, and xylooligosaccharides, with inulin at 0.3–0.4%, fructooligosaccharides at 0.1%, and xylooligosaccharides at 50 mg / kg. The total selenium content in the cat food is 0.4–0.5 mg / kg, of which organic selenium accounts for 80–90%. Through the synergistic effect of probiotics, prebiotics, and plant-derived organic selenium, this cat food can improve the intestinal flora structure of cats, promote the growth of beneficial bacteria, enhance digestion, absorption, and immune regulation, and has good safety and application prospects.

The application discloses a green prevention and control method for plant diseases and insect pests based on synergistic plant sources, which comprises the following steps: S1, preparing a synergistic plant source compound pesticide; S2, constructing a functional plant belt in a field; and S3, synergistically applying precise pesticide application and ecological regulation. The application relates to the technical field of agricultural green prevention and control, in particular to a green prevention and control method for plant diseases and insect pests based on synergistic plant sources, which overcomes the defects of unstable prevention and control effect, short persistence and lack of ecological sustainability of single or simply compounded plant source pesticides, and provides a green comprehensive prevention and control method for plant diseases and insect pests with multiple targets, strong synergy and long persistence.

The application discloses a plant source natural surfactant shampoo and conditioner formula and relates to the technical field of shampoo and conditioner formula preparation. The plant source natural surfactant shampoo and conditioner formula is composed of the following components in percentage by weight: 10-30% of a plant source main surfactant, 5-15% of a plant source auxiliary surfactant, 3-8% of a mild amphoteric surfactant, 1-5% of a natural conditioning agent, 0.5-3% of a natural viscosity regulator, 0.3-1% of a natural preservative, 0.1-0.5% of a natural fragrance and the balance of deionized water. The mild surfactant compound system of pure plant base is constructed, the irritability is significantly reduced while excellent cleaning power and foam quality are ensured, the conditioning system is optimized, the shampoo feeling and stability are improved, and the good combination of naturalness, high efficiency, environmental protection and user experience is realized.

The present application belongs to the technical field of economic crop biological prevention and control, and provides a kind of plant source attractant of aleurocanthus spiniferus and its application.The attractant composition of aleurocanthus spiniferus adult is composed of one of farnesene and leaf alcohol and linalool.The attractant composition is placed at tea shoots during the emergence of overwintering generation and last generation of aleurocanthus spiniferus adult, which can efficiently attract aleurocanthus spiniferus adult.The above-mentioned attractant composition can be prepared into preparation forms such as lure core, and can also be used with yellow stick trap.The attractant composition provided by the present application can reduce the number of insects throughout the year from the root source, and can reduce or avoid the use of chemical agents.The present application is beneficial to protect the population ecology of tea garden, has the characteristics of green, safe and efficient, is convenient and fast to use, has low cost, and is suitable for practical production practice.

The application belongs to the field of new materials, and discloses a multi-target synergistic plant source marine antifouling composition, which comprises toosendanin, capsaicin, berberine and chlorogenic acid in a mass ratio of 1-3:0.5-2:0.2-1:0.2-1. The marine antifouling effect can be synergistically improved by the combination of multiple plant sources. Meanwhile, the application also provides an application of the multi-target synergistic plant source marine antifouling composition, and the plant source marine antifouling composition is applied to antifouling paint, antifouling coating or engineering antifouling material.

This application relates to a method for preparing plant-based PDRN from plant raw materials, as well as the plant-based PDRN and its applications, belonging to the field of plant preparation processing technology. A method for preparing plant-based PDRN from plant raw materials includes: S1, extracting plant DNA from plant tissue; S2, adding plant-derived organic acids to the plant DNA to a pH of 3.0–5.0; S3, followed by precipitation and separation to obtain plant-based PDRN. This method can improve the extraction rate and stability of low molecular weight PDRN while being environmentally friendly and safe.

The application relates to the field of agricultural pesticide technology, and particularly discloses a composite bacteriostatic agent for preventing and treating rice blast and a preparation method thereof. The composite bacteriostatic agent comprises a chemical bactericide, a plant source bacteriostatic agent and a microbial source bacteriostatic agent, and is composed of surfactants, synergistic additives and diatomite carriers. The preparation method comprises the following steps: firstly, modifying the carrier; secondly, respectively performing micronization compounding on the chemical bactericide, activation on the plant bacteriostatic agent and steady-state treatment on the microorganism; thirdly, emulsifying and constructing a multi-phase system by compounding the components after the treatment with the surfactants; and finally, obtaining the finished product through high-pressure homogenization, pH adjustment, low-temperature drying and screening and sterile packaging. The bacteriostatic agent can be used for preventing and treating rice blast, has the advantages of multi-component synergistic effect, wide bacteriostatic spectrum and ecological compatibility. In addition, the preparation method realizes effective integration and function maintenance of active components with different properties by optimizing the technological process, and has the advantages of strong technological coherence and high product stability.

The present application belongs to the technical field of capsule preparation, and relates to a plant starch soft capsule and a preparation method thereof. The plant starch soft capsule is composed of hydroxypropyl starch, carrageenan, psyllium seed gum, sodium alginate, sodium hyaluronate and meglumine. The preparation method comprises the steps of raw material pretreatment, mixing and gel preparation, vacuum degassing, soft capsule forming and drying. Through innovative raw material ratio and preparation process, the soft capsule has excellent weather resistance, can adapt to transportation and storage under extreme temperature, and is mainly made of plant-derived raw materials, so that the fishy smell caused by gelatin is eliminated, and the use comfort and market acceptance are improved. The plant starch soft capsule can be applied to the field of cosmetics and used as a carrier of active ingredients.

The present invention relates to a plant-derived extracellular vesicle surface-modified with a phospholipid including a functional group and a targeting material, a method for producing the same, and a drug delivery vehicle or pharmaceutical composition using the same, and the extracellular vesicle can be stabilized and mass-produced, and thus can be used for intracellular material delivery.

The present invention provides an exosome separation method that can increase exosome separation efficiency and obtain highly stable exosomes, and a cosmetic composition containing exosomes with improved anti-wrinkle, cell growth, anti-inflammatory, or anti-aging effects. The present invention provides a method for extracting plant-derived exosomes, the method includes (a) washing and juicing a plant to obtain a plant juice; (b) firstly centrifuging the plant juice to obtain a first supernatant; (c) secondly centrifuging the first supernatant to obtain a second supernatant; (d) subjecting the second supernatant to tangential flow filtration (TFF) to obtain a separated substance; and (e) adding antibody-attached beads to the separated substance to obtain an extract containing plant-derived exosomes. Another embodiment of the present invention provides a cosmetic composition including 0.1 to 20% by weight of plant-derived exosomes based on the total weight of the composition.

A group of core / shell delivery particles, wherein the shell is made of a polymer material which is at least partially a reaction product of an isocyanate monomer, oligomer, or plant-derived powder material that crosslinks a prepolymer. Related methods for the manufacture and use of such compositions are described.

This invention discloses a plant-derived exosome stabilization and purification system and its process, belonging to the field of plant-derived exosome purification technology. The plant-derived exosome stabilization and purification system and its process include a sequentially linked suspension cell culture module, a multi-stage primary purification module, a stabilization treatment module, and a quality detection module. The suspension cell culture module uses MS basal medium supplemented with a hormone combination of 6-BA, NAA, meta-topolin, and 2,4-D, and cultures plant cells in suspension for 7-14 days under conditions of 25°C, 12h light / 12h dark, and 110rpm to form a source for exosome production. This plant-derived exosome stabilization and purification system and its process exhibit particle size fluctuation <10% and activity retention >85%, meeting the requirements for long-term industrial storage; ensuring consistency: modular design and online detection ensure that the coefficient of variation of particle size, potential, and activity between batches is <5%, complying with GMP production standards.

This invention provides a plant-derived and microbial-derived pesticide composition for attracting and killing golden apple snails, its preparation method, and its application, belonging to the field of pesticide technology. The pesticide composition of this invention includes: duckweed extract, betaine, plant-derived components, microbial-derived components, and excipients; the plant-derived components consist of catnip extract, pokeweed extract, and areca nut extract, and the microbial-derived component is microencapsulated Bacillus thuringiensis. This invention utilizes the combination of duckweed extract and betaine to actively attract golden apple snails for feeding; the ternary combination of plant-derived components synergistically destroys the snail's mucous membrane and interferes with its physiological metabolism, rapidly killing the golden apple snail; the microbial-derived component colonizes in the snail's intestines, releasing molluscicides, forming an internal and external snail-killing mechanism. Tests show that the pesticide composition of this invention has high safety for zebrafish and significant killing effects on juvenile and adult golden apple snails, exhibiting strong attraction, thorough snail killing, and environmental friendliness, making it suitable for green control of golden apple snails in aquaculture waters.

The present invention discloses plant based vitamin D3 (Cholecalciferol) that meets the pharmacopeia standard as well as "Green dot" specification. The present invention further discloses a commercial process for preparation of plant based vitamin D3 from plant sourced bisnoralcohol with improved yield and purity. The bisnoralcohol used as a starting material in the present process is obtained from soyabean oil deodorizer distillate (SODD). The vitamin D3 prepared by the present process is 100% vegetarian and provides the missing nutritional source of Vitamin D3 to a large number of vegetarian and vegan population.

The application discloses a plant source attractant for Camptocerus aequatus and application thereof, and belongs to the technical field of plant disease and pest control. The plant source attractant comprises palmitic acid and / or plant alcohol. The palmitic acid and / or plant alcohol have significant and efficient attractant activity on the Camptocerus aequatus, and are suitable for detecting the population trend of the Camptocerus aequatus and efficient attraction and prevention and the like. Compared with the traditional chemical prevention and treatment method for the Camptocerus aequatus at the present stage, the prevention and treatment method for the Camptocerus aequatus by using the plant source attractant is more moderate, efficient, green, environment-friendly and non-toxic and side-effect, and can provide important value for market application and use popularization.

A material for smoking articles, which comprises non-pulp fibers and a hydrophobic substance. The non-pulp fibers are preferably plant-derived.

The application discloses an EICP soil body uniform reinforcement method based on a double-response slow-release capsule, and belongs to geotechnical engineering reinforcement and application of biomaterials. The application uses a chitosan-sodium alginate composite structure as a slow-release capsule wall material, uses a plant source urease as an active component, and embeds acetyloxyhydroxamic acid as a reaction adjusting component in the capsule. By pre-injecting the slow-release capsule and then injecting the cementing liquid in turns, the phenomenon of too fast reaction in a local area near an injection end, too early precipitation of calcium carbonate and early plugging of pores is weakened, and the spatial distribution uniformity of mineralization in the soil body is improved. The application is suitable for multiple geotechnological medium conditions such as silty clay, low-permeability clay, layered heterogeneous soil body and sandy soil body, has the characteristics of relatively gentle release of the active component, delayed reaction starting process and strong adaptability of the soil body, and can be used for uniform reinforcement treatment of the enzyme-induced carbonate precipitation technology in geotechnical engineering.

This invention provides a method for preparing an intermediate of ursodeoxycholic acid. The method includes asymmetric reduction hydrogenation of a compound of formula VI to obtain a compound of formula VII. The purity and content of the isomers of the obtained product are significantly improved, providing a new method for chiral control in the preparation of ursodeoxycholic acid. This invention also provides a method for preparing ursodeoxycholic acid from dichlorol via asymmetric reduction and other reactions. This method has advantages such as readily available raw materials from plant-derived fermentation, low cost, short reaction time, high product purity, and high yield, making it suitable for industrial production.