398 results about "Plant Sources" patented technology

The invention discloses a preparation method and application of plant-derived extruded nano-vesicles, and relates to the technical field of biological medicines. The preparation method of the plant-derived extruded nano-vesicles comprises the following steps: juicing cleaned plant roots, stems, leaves, flowers or fruits to obtain plant juice, and filtering with gauze to obtain first filtrate; centrifuging the first filtrate at a low speed of 300-6000 * g to obtain a second filtrate; performing 8,000-20,000 * g centrifugation on the second filtrate for 0.5-3 hours at the temperature of 0-5 DEG C, so as to obtain a first precipitate; adding the first precipitate into a buffer solution, carrying out ultrasonic treatment, diluting, and sequentially passing through a filter membrane with the pore diameter of 0.4-10 microns and a filter membrane with the pore diameter of 0.1-0.4 microns, so as to obtain a third filtrate; and centrifuging the third filtrate, taking the precipitate, and resuspending to obtain the extruded nano-vesicles. Experimental detection shows that the extruded vesicles are similar to natural vesicles in characteristics, but the yield is far higher than that of the natural vesicles, and the extruded vesicles can serve as nano-carriers to be applied to a foundation or clinic.

The invention discloses a plant-source nutritional supplement based on glycoside compounds and a preparation method thereof, and relates to the technical field of preparation of plant-source nutritional supplements.The preparation method comprises the steps that raw materials are prepared; the preparation method comprises the following steps: respectively carrying out ultrasonic-assisted extraction on flavonoid glycoside, saponin and geniposide raw materials to obtain an extracting solution; carrying out centrifugal separation on the extracting solution, taking supernate, and then purifying by adopting a macroporous resin adsorption method to obtain a purified glycoside compound solution; mixing the purified glycoside compound solution with lycium barbarum polysaccharide, Chinese yam starch, vitamin E and other auxiliaries in proportion, and uniformly stirring to form a mixed solution; carrying out spray drying on the mixed solution to obtain a powdery nutritional supplement; and screening the powdery nutritional supplement. The high-purity plant source glycoside compound and the functional auxiliary agent are scientifically compounded, and ultrasonic extraction, resin purification and precise process control are combined, so that the integrated improvement of activity synergy, quality stability and personalized scene adaptation of the nutritional supplement is realized.

The invention discloses an anti-neurodegeneration exosome composition as well as a preparation method and application thereof. The anti-neurodegeneration exosome composition is prepared from the following components in parts by mass: 5 to 25 parts of human exfoliated deciduous tooth stem cell exosome, 25 to 85 parts of plant-derived exosome-like nano-vesicles, 12 to 10 parts of ginsenoside Rg, 2 to 10 parts of curcumin and 10 to 20 parts of auxiliary materials. The anti-neurodegeneration exosome composition contains a large amount of cell factors, growth factors, miRNA, mRNAs and other components, is easy to fuse with cell membranes of intestinal epithelial cells, can selectively deliver bioactive substances to recipient cells through a blood-brain barrier, carries out information transmission among different cells, regulates signal transduction among the cells, and has a good anti-neurodegeneration effect. The effects of resisting oxidation, resisting inflammation, resisting aging and the like are achieved.

The invention discloses a plant-sourced anti-allergy soothing composition and application thereof, and belongs to the field of cosmetic processing.The plant-sourced anti-allergy soothing composition is prepared from hydrolyzed corn starch, saururus chinensis extract, carrot root extract and water-soluble hesperidin. Active ingredients of plant sources are deeply studied, and the anti-allergy soothing composition has the advantages that the plant-sourced anti-allergy soothing composition is prepared from the hydrolyzed corn starch, the saururus chinensis extract, the carrot root extract and the water-soluble hesperidin; a series of plant extracts with a synergistic effect are screened out, the plant-source multi-dimensional composition for relieving itching and repairing red is successfully researched and developed, and through the synergistic effect of the hydrolyzed corn starch, the saururus chinensis extract, the carrot root extract and the water-soluble hesperidin, the composition has the effects of relieving and repairing skin in a multi-dimensional mode, relieving itching and repairing red. In addition, the composition can repair the skin barrier for a long time and improve the tolerance of the skin, and meanwhile, the composition has good safety and stability and is suitable for various skin types, especially sensitive skin.

The present invention relates to the field of plant-derived cellular vesicles, and in particular of nanovesicles obtained from plant protoplasts. A method for their preparation and uses thereof in the medical, cosmetic and nutraceutical fields are described.

The invention discloses application of plant-derived extracellular vesicles in preparation of a product for preventing and treating photoaging and a topical application composition. Pseudo-ginseng is used as a raw material for extraction and purification of plant-derived extracellular vesicles, and results show that the pseudo-ginseng-derived extracellular vesicles can significantly treat or improve photoaging. The invention explores the practical application of the fresh pseudo-ginseng extracellular vesicles based on the traditional theory of traditional Chinese medicine, and clarifies the molecular mechanism of the pseudo-ginseng extracellular vesicles. In a word, the extracellular vesicles derived from pseudo-ginseng have a wide application prospect in treatment of skin aging.

The invention discloses a botanical attractant for thrips hawaiiensis in a banana field and application of the botanical attractant. According to the application, alpha-pinene, caryophyllene, DL-limonene, beta-pinene and D-limonene which have a remarkable attracting effect on thrips hawaiiensis are separated and identified from banana flower buds which are host plants of the thrips hawaiiensis, and effective concentrations of the compounds with the attracting effect on the thrips hawaiiensis are screened out; the five compounds are mixed according to a certain volume ratio to prepare the thrips hawaiiensis luring composition. Indoor and outdoor experiments prove that the trapping composition provided by the invention has remarkable trapping activity on thrips hawaiiensis in a banana field. The attractant provided by the invention is derived from plants, is simple to prepare, is environment-friendly, is non-toxic to people and livestock, and has a good popularization and application prospect.

The invention relates to the technical field of fertilizers, and discloses an amino acid-containing water-soluble fertilizer and a preparation method thereof, and the method comprises the steps of raw material preparation, carrier system construction, signal molecule extraction and activation, stress-resistant amino acid compound preparation, multi-element synergistic system construction and the like. Through innovative combination of a soil penetrating carrier system and a plant source signal molecule technology, the technical problems of weak penetrating power, low bioavailability and the like of active components of a fertilizer in saline-alkali soil are solved, so that the effective penetrating depth of signal molecules in severe saline-alkali soil is effectively improved, the bioavailability is improved, and the application prospect is wide. The saline-alkali resistance of the plants is obviously enhanced, and the ecological restoration and sustainable utilization of the saline-alkali soil are promoted.

The invention relates to a synergistic composition for preventing and treating celery root rot. The tannic acid and fludioxonil in the synergistic composition disclosed by the invention show a relatively good synergistic effect in a compounding mass ratio range of (1: 50)-(50: 1). According to the synergistic composition disclosed by the invention, tannic acid with weak bacteriostatic activity on celery root rot and fludioxonil with excellent bacteriostatic activity are compounded for use, so that a remarkable synergistic effect is achieved, the prevention and treatment effect is far higher than that of a single agent, and the synergistic effect is achieved by reducing pesticide. Besides, according to the synergistic composition disclosed by the invention, the plant source tannic acid and the chemical bactericide fludioxonil are compounded for use, and the use amount of chemical agents is reduced, so that the resistance risk of the chemical bactericide is reduced, pesticide residues and ecological environment pollution are reduced, and the synergistic composition has a good application prospect.

A food composition includes allulose having a concentration of about 60% to about 70% by weight, a cocoa product having a concentration of about 20% to about 30% by weight, and at least one natural plant resin having a concentration of about 0.37% to about 2.19% by weight. The at least one natural plant resin may be mastic gum and / or mastic powder. The food composition may further include a combination of plant-derived biominerals and / or antioxidants as active ingredients. A confectionary product made with the food composition is also disclosed.

The invention provides a preparation method of a root knot nematode disease plant source nematicide, and belongs to the technical field of computational chemistry. The preparation method comprises the following steps: firstly, collecting tobacco plant materials in a root knot nematode disease high-incidence area, drying and crushing; determining optimal extraction parameters through a plant extraction parameter optimization function, and carrying out reflux extraction by taking ethanol as a solvent; filtering and concentrating an extracting solution, and adding an organic silicon surfactant and xanthan gum to enhance the stability; adjusting the pH value and adding a preservative; a high-pressure homogenizer is used for treatment, so that the dispersion uniformity is improved; component analysis and activity evaluation are carried out through a plant nematicidal activity prediction model, and the model is based on a convolutional neural network and a Transform architecture, and accurate prediction is realized through an adaptive attention mechanism; and filling the preparation and storing in a dark place. The whole preparation process realizes standardized control of components, and solves the technical problem of large difference between batches of traditional plant source nematocides.

The present disclosure belongs to the technical field of microorganisms, and in particular relates to a nano-coated growth-promoting bacterial agent and a composite growth-promoting bacterial agent, preparation methods and use thereof. The nano-coated growth-promoting bacterial agent includes a growth-promoting bacterial agent and a nano-coating formed by self-assembly of a plant-derived polyphenol and a soluble multivalent metal ion on the surface of the growth-promoting bacterial agent. The key to the present disclosure is to employ the plant-derived polyphenol and the soluble multivalent metal ion to self-assemble on the surface of the growth-promoting bacterial agent to form a nano-coating. Based on the interaction of the growth-promoting bacterial agent with the phyllosphere, the leaf face adhesion performance of the growth-promoting bacterial agent is significantly enhanced, the loss rate of the growth-promoting bacterial agent under rainfall erosion is effectively reduced, and the survival rate and colonization of the growth-promoting bacterial agent in the phyllosphere are enhanced.

The present disclosure provides a composition containing a purified population of plant-derived exosome-like nanoparticles isolated from tissue of a vascular plant, wherein the exosome-like nanoparticles comprise a tuned cargo comprising a protein signature and an miRNA signature, wherein the tuned cargo of the plant-derived exosome-like nanoparticles is a result of exposure of the plant to combinations of abiotic stress conditions that cause the plant to modulate its signaling pathways and metabolism to ensure its survival in a challenging environment. The tuned cargo of the plant-derived exosome-like nanoparticles can modulate bioactivities of mammalian cells directly or indirectly. The present disclosure also provides a method for improving appearance of human skin and human hair health, including eyelashes and eyebrows, comprising applying a composition comprising the abiotically stressed plant-derived exosome-like nanoparticles containing the tuned cargo and a carrier; and applying the composition topically.

The invention discloses a plant source leaf surface resistance and control agent for efficiently reducing the cadmium content of wheat and a preparation method thereof. According to the invention, S-allyl-L-cysteine is used as an important component of the foliar blocking and controlling agent, so that the bioavailability of cadmium ions is effectively reduced, and the absorption and transport of cadmium in plants are reduced, thereby reducing the cadmium content in wheat grains. Meanwhile, S-allyl-L-cysteine has relatively strong antioxidant capacity, so that free radicals in the plant body can be removed, and cells are protected from oxidative damage. As a plant growth regulator, S-allyl-L-cysteine can improve nutrient absorption and utilization of plants and promote photosynthesis and energy metabolism of the plants, so that the yield and quality of wheat are improved. The S-allyl-L-cysteine can activate a defense mechanism in a plant body, enhance the resistance of the plant to environmental stress, including the resistance to heavy metal pollution, and improve the overall health and yield of wheat.

The invention discloses application of plant-derived glyceroglycolipid in preparation of an anti-inflammatory product, inflammation is RAW264.7 cell inflammatory response induced by LPS (lipopolysaccharide), and the plant-derived glyceroglycolipid can resist inflammation by inhibiting expression of inflammatory factors. By combining column chromatography with chromatographic analysis, efficient extraction, precise separation and structural identification of the plant GL are realized, and important technical support is provided for research of plant lipids. The plant GL can significantly inhibit inflammatory response of RAW264.7 macrophages, including reduction of LPS-induced cellular morphological change, down-regulation of inflammatory factor mRNA expression and reduction of CD86 expression level. The invention provides a solid molecular level theoretical basis for the application of the plant glycerol glycolipid in the development of anti-inflammatory functional foods and medicines.

The invention relates to an intelligent gel label integrating freshness monitoring and preservation as well as a preparation method and application of the intelligent gel label. The intelligent gel label is composed of a porous gel substrate, a plant source preservative eugenol and an aggregation-induced emission (AIE) copper nanocluster carried on the gel substrate. The cerium ions serve as a bridge between the gel and the copper nanoclusters, the copper nanoclusters are anchored to the gel, and indicator leakage is prevented. Besides, the porous gel structure realizes an embedding effect on eugenol, and cerium ions induce the copper nanoclusters to gather on the surface of the gel, so that eugenol is further blocked in a gel substrate. When the freshness of the aquatic product is reduced, the copper nano aggregate responds to the TVB-N, the structure disintegrates, the fluorescence intensity of the label is reduced, and the visual detection of the freshness is realized. In the aspect of preservation, a multi-factor trigger eugenol release mechanism is designed, so that the gel label can quickly respond to food quality change, and integration of food freshness monitoring and intelligent preservation is realized.

The invention discloses a protective coating treating agent, a protective coating treating fluid, modified forage and a preparation method and application thereof, and belongs to the technical field of ecological engineering. The protective coating treating agent comprises a first component, a second component and a third component in a mass ratio of 10: (0.5-2.5): (1-3), the first component is a natural polymer film-forming material; the second component is a plant-derived functional anti-degradation agent; and the third component is a natural mineral particle reinforcing agent. The protective coating treating agent containing the components is prepared into a protective coating treating fluid, and then the protective coating treating fluid is coated on the surface of forage to form a protective coating, so that the aging resistance of the straw checks in environments of high temperature, strong ultraviolet rays, sand erosion and microbial erosion can be remarkably improved, the service life of the straw checks is prolonged, and the service life of the straw checks is prolonged. And the operation and maintenance cost of ecological restoration engineering is reduced. The straw checkerboard with the protective coating can be widely applied to ecological engineering construction such as treatment of railways, highways and sand source areas in arid and windy sand areas.

The invention relates to a plant astragalus membranaceus-derived exosome-like nano-vesicle as well as a preparation method and application thereof. The nano-vesicle is prepared by chopping astragalus membranaceus roots, juicing, carrying out differential-ultra-high-speed centrifugation and filtering. The nano vesicle disclosed by the invention has good biocompatibility and immunomodulatory activity, can be used for intervening bronchial asthma, and shows a relatively good treatment effect; the nano-vesicle can be used as a novel natural plant-derived drug delivery system, and the problems of poor stability, single action mechanism, low delivery efficiency and the like of traditional Chinese medicine components are solved.

The invention discloses a soothing and oil-controlling composition derived from natural plants and application thereof, and belongs to the technical field of daily cosmetics. The composition is formed by compounding an artemisia annua extract, a rehmannia root extract, a calendula extract and a pomelo fruit extract, and the four plant extracts have a synergistic effect, have the effects of repairing, relieving and controlling oil, and can be used for preparing a skin care product special for oil-sensitive skin. The composition provided by the invention can effectively solve the problems of external oil and internal dry, redness and sensitivity, grease accumulation and the like of oily sensitive skin, and meets multiple skin care requirements.

The invention belongs to the technical field of biological medicines, and particularly relates to a composition for treating atopic dermatitis and application thereof. The composition comprises the following components: pseudo-ginseng extract, artemether, alpine glycoside and oleanolic acid in a mass ratio of (2-4): (2-4): (1-2): (1-2). The composition disclosed by the invention has anti-inflammatory and anti-pruritus effects and can be used for treating atopic dermatitis, eczema and other diseases. The active components of the composition are all from plant sources, the composition has good safety and atopic dermatitis treatment efficacy, the use dosage is low, the components can achieve a synergistic interaction effect, and the composition shows an excellent effect; the composition can be applied to functional skin care products (face cream, emulsion and essence) and external medicines (applying agents and ointments).

The invention relates to application of a plant-derived extracellular vesicle and a compound thereof in preparation of a pharmaceutical composition for treating or preventing diseases caused by high colonization degree of gram-positive bacteria in skin, in particular to application of a purslane extracellular vesicle and a compound of the purslane extracellular vesicle and hydrogel.

A method for treatment or prophylaxis of a disease in a subject involving administering to the subject a vaccine composition including non-immunomodulating, engineered, plant-derived extracellular vesicles (EVs), is provided. The Evs are loaded with an exogenous nucleic acid molecule encoding a protein antigen. The disease is an infectious disease or cancer. A method for the preparation of the vaccine composition, which makes use of one or more polycationic substances and one or more sugar molecules is also provided.

The invention discloses a plant bactericide and a preparation method thereof, and relates to the technical field of bactericides. Comprising the following components: 30-40 parts of plant source extract nano microcapsules, 5-8 parts of a nano carrier, 3-6 parts of a composite synergist, 4-6 parts of dextran, 1-3 parts of eugenol, 4-8 parts of hydroxypropyl trimethyl ammonium chloride chitosan, 3-5 parts of an auxiliary agent, 50-60 parts of ethanol, 100-150 parts of water and 3-5 parts of an emulsifier. The plant source extract is prepared by extracting the following raw materials in parts by weight: 10-20 parts of peach pit green tangerine peel, 8-15 parts of Chinese prickly ash, 4-6 parts of radix sophorae flavescentis, 3-5 parts of ginkgo leaves, 3-5 parts of garlic, 5-8 parts of eucalyptus leaves and 3-5 parts of sophora alopecuroide. The plant bactericide has the advantages of obvious bactericidal effect, low drug resistance risk and good field control effect.

The invention discloses a preparation method of a plant source nano vesicle and the plant source nano vesicle. According to the preparation method disclosed by the invention, through extensive and deep research and a large amount of screening optimization, the coix seed-derived nano vesicles (SCDNVs) and the gastrodia elata-derived nano vesicles (RGDNVs) which are high in concentration and high in quality are successfully extracted by using the preparation method disclosed by the invention; meanwhile, the invention further researches the anti-tumor effect and the anti-oxidation effect of the prepared plant source nano vesicle. Through screening of conditions of the preparation method, an ultrasonic combined centrifugal method (further comprising screening of ultrasonic conditions, such as ultrasonic power / ultrasonic time and the like) adopted in the invention can overcome the defects that the membrane structure of the vesicle is damaged and the form of the vesicle is not complete enough in the traditional method; therefore, the plant extracellular vesicles which are small in loss, high in concentration, good in stability, more uniform in vesicle particle size, small in particle size span, high in yield and high in quality are obtained.

A compostable, high-temperature-resistant liner for use in cooking applications, comprising a plant-based fiber matrix incorporating one or more food-safe, heat-resistant components.The material may include, but is not limited to, sugarcane bagasse, bamboo, hemp, or similar natural fibers, and may further include heat-resistant additives such as plant-derived waxes, mineral substances including kaolin clay, or comparable compounds.The liner is suitable for use at temperatures exceeding 500° F. and may be provided as a flat sheet or as a molded insert with raised edges to fit standard broiler or oven trays.

The invention belongs to the technical field of gene engineering, and particularly relates to application of a wheat gene to regulation and control of plant drought tolerance. The wheat gene provided by the invention is a TaANK-TPR44 gene, and the nucleotide sequence of the TaANK-TPR44 gene is as shown in SEQ ID NO. 1. In order to develop the specific functional characteristics of ankyrin genes from different plant sources, the TaANK-TPR44 gene is over-expressed and transformed into arabidopsis thaliana for functional verification, and the result shows that the drought tolerance of the arabidopsis thaliana with the over-expressed TaANK-TPR44 gene is remarkably improved compared with that of wild arabidopsis thaliana, and the drought tolerance of the arabidopsis thaliana with the over-expressed TaANK-TPR44 gene is remarkably improved compared with that of wild arabidopsis thaliana. Therefore, the TaANK-TPR44 gene plays a positive regulation role in the wheat drought tolerance process, a theoretical basis and gene resources are provided for wheat molecular breeding, and the TaANK-TPR44 gene has very important significance for obtaining drought-tolerant high-yield strains and improving the wheat drought tolerance in the future.

To provide an external preparation for skin containing a plant-derived lactic acid bacterium and a specified plant extract.SOLUTION: An external preparation for skin comprises bacterial cells of Lactobacillus casei subsp. casei strain 327 and a specified plant extract.SELECTED DRAWING: None

The invention belongs to the technical field of nano preparations, and particularly relates to a fused nano vesicle as well as a preparation method and application thereof. The fusion nano vesicle comprises a membrane structure formed by fusing a mesenchymal cell vesicle and a plant exosome, the mesenchymal cell vesicles are human umbilical cord mesenchymal cell vesicles; the plant exosome is an aloe exosome. Wherein the protein content ratio of the plant exosome to the mesenchymal cell vesicles in the nano vesicles is (1-20): (1-10). The fused nano-vesicle has the plant source advantages of low immunogenicity and high antioxidation and the human stem cell exosome advantages of strong immunoregulation and regeneration promotion, and has great potential in the aspects of tissue repair, anti-inflammatory treatment, drug delivery and the like.

The invention relates to a plant source biological control agent for controlling cucumber mosaic virus and application thereof. The plant source biological control agent is one or a combination of any two or three of garlic, wedelia chinensis and mikania micrantha. Researches show that the combination of one, any two or three of garlic, wedelia chinensis and mikania micrantha has a remarkable inhibition effect on cucumber mosaic virus, and the combined use effect of garlic, wedelia chinensis and mikania micrantha is remarkably improved. According to the invention, more safe and efficient plant source control agents are provided for controlling plant diseases caused by cucumber mosaic virus, and a foundation is laid for subsequent research and development of novel cucumber mosaic virus resistant plant source pesticides. Moreover, the garlic, the wedelia chinensis and the mikania micrantha are wide in source and low in cost, and have very good application value.

A composition including plant-derived carbohydrate fiber that is not a beta-glucan fiber fiber and a beta-glucan fiber as mouthfeel-improving additives for a consumable are disclosed. A consumable containing the composition of the plant-derived non-beta-glucan carbohydrate fiber and beta-glucan fiber as mouthfeel-improving additives, and methods for preparing a consumable including the mouthfeel-improving composition and for improving the mouthfeel of a consumable by adding the mouthfeel-improving composition to a consumable base are also disclosed.