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25 results about "MORINGA OLEIFERA LEAF" patented technology

A granule of anti-liver cancer special medical food based on multi-target point synergy and a preparation method thereof

PendingCN122271519AImprove bioavailabilityInhibit apoptosisBiotechnologyNutrition
This invention discloses a multi-target synergistic anti-liver cancer medical food granule and its preparation method. The granule uses medicinal and edible homologous foods and novel resource foods as raw materials, and is composed of curcumin extract, esterified fat-soluble EGCG, Moringa leaf powder, yeast β-glucan, Astragalus extract, Schisandra extract, Salvia miltiorrhiza extract, Poria cocos powder, resistant dextrin, and erythritol in a specific ratio to construct a three-dimensional synergistic system of "direct killing-immune regulation-liver protection," which can induce ferroptosis in liver cancer cells, inhibit protective autophagy, activate the body's immunity, and protect liver cells. This invention employs directional extraction, multi-layer coating, and high-pressure fusion granulation technology. Nanoparticle liposome encapsulation, esterification modification, and pH-responsive enteric coating improve the stability and bioavailability of the components, solving the problems of poor water solubility, low absorption, and easy degradation of natural active ingredients. The granule has clear efficacy, high safety, and stable process, and can be used as a medical food for adjuvant therapy and nutritional support during the recovery period of liver cancer.
Owner:YUNNAN HUANGJIA MEDICAL CIRCLE INST OF TRADITIONAL CHINESE MEDICINE

Preparation and application of collagen peptide with whitening activity

The invention belongs to the technical field of biological medicine manufacturing, and particularly relates to preparation and application of collagen peptide with whitening activity. The preparation method of the collagen peptide with the whitening activity comprises the following steps: step A, inoculating bacillus subtilis into a culture medium containing a moringa oleifera leaf extracting solution, fermenting for 6-12 hours, inoculating aspergillus niger, continuously fermenting for 36-48 hours, sterilizing, centrifuging, and taking supernate to obtain moringa oleifera leaf fermentation liquor; and step B, scaling the fish skin, cleaning, drying and crushing, adding the moringa oleifera leaf fermentation liquor, reacting for 6-10 hours at the pH value of 6.0-7.0 and the temperature of 35-45 DEG C, and performing ultrafiltration, filtrate concentration and freeze-drying to obtain the collagen peptide. The preparation process has the advantages of low cost, greenness and high efficiency, and the prepared collagen peptide shows the activity of inhibiting tyrosinase and can be applied to preparation of skin care products or medicines with a whitening function.
Owner:GUANGDONG YANRUI BIOTECHNOLOGY CO LTD

Moringa oleifera leaf powder raw material preparation process and crushing equipment

PendingCN121820030AGrain treatmentsMORINGA OLEIFERA LEAFElectric machine
The invention relates to the technical field of smashing equipment, and particularly discloses a horseradish tree leaf powder raw material preparation technology and smashing device.The smashing equipment comprises an equipment base, the top of the equipment base is fixedly connected with a material guiding pipe through a support, and the inner wall of the material guiding pipe is fixedly connected with a smashing device; a driving shaft of the motor is sleeved with and fixedly connected with a shearing assembly, a driving gear ring is fixedly connected to the side face of the forward fan blade, a direction changing assembly is meshed with the side face of the driving gear ring, a driven fan blade is meshed with the side, away from the driving gear ring, of the direction changing assembly, and the bottom of the motor is fixedly connected with the top of the equipment base through a support. And a driving shaft of the motor penetrates through the side face of the material guiding pipe and is fixedly connected with the material guiding pipe, the side face of the direction changing assembly is fixedly connected with the side face of the inner wall of the material guiding pipe, and according to the horseradish tree leaf powder raw material preparation technology and the smashing equipment, the purposes of facilitating smashing and preventing blocking are achieved.
Owner:YUNNAN INST OF TROPICAL CROPS

Rhizoma polygonati moringa oleifera and preparation method thereof

PendingCN121775075AClearing away heat and detoxifyingDisperse blood stasis and reduce swelling withNervous disorderPharmaceutical delivery mechanismBalsamMORINGA OLEIFERA LEAF
The invention discloses rhizoma polygonati moringa oleifera and a preparation method thereof. The rhizoma polygonati moringa oleifera is prepared from the following raw materials: rhizoma polygonati leaves, moringa oleifera leaves, christina loosestrife herb, wormwood, sticktight and spica prunellae. The preparation method of the polygonatum sibiricum moringa oleifera comprises the following steps: step 1, preparing clean polygonatum sibiricum leaves, moringa oleifera leaves, salix christinae hance, wormwood, sticktight and selfheal; step 2, preparing polygonatum sibiricum leaf, moringa oleifera leaf, salix christinae hance, wormwood, sticktight and selfheal composite filaments; step 3, preparing concentrated extracts of sealwort leaves, moringa oleifera leaves, salix christinae hance, wormwood, sticktight and spica prunellae of which the particle size is less than 0.2 mm; and step 4, preparing rhizoma polygonati and moringa oleifera. The invention further discloses the polygonatum sibiricum moringa oleifera which is a product which is shiny after being burnt, has special fragrance, can refresh mind, refresh air, calm mind and help sleep and is beneficial to human health, and the polygonatum sibiricum moringa oleifera is elaborately prepared from edible and medicinal raw materials.
Owner:GUILIN TIANYUANLV BIOTECHNOLOGY CO LTD

Fermented total mixed ration containing moringa oleifera and preparation method thereof

The invention relates to the field of feed, and discloses a fermented total mixed ration containing moringa oleifera and a preparation method thereof.The preparation method includes the steps that fermentation raw materials including whole corn, rape straw, moringa oleifera leaves, mixed concentrate and premix are subjected to anaerobic fermentation at the room temperature to obtain the fermented total mixed ration, and based on the total amount of the fermentation raw materials, the total amount of the fermented raw materials is 1-5% of the total amount of the fermented raw materials; the weight of the moringa oleifera leaves is 1-10wt.% (on the basis of dry matter); the fermented total mixed ration contains crude protein and organic acid, in terms of dry matter, the amount of the crude protein is 130-142 g / kg, and the amount of the organic acid is 38-45 g / kg. According to the prepared feed, a certain amount of moringa oleifera leaves are added, the antibacterial activity of the feed can be improved, proliferation of harmful microorganisms can be inhibited in the aerobic exposure stage, and the content of crude protein, organic acid and the like in the feed is kept stable.
Owner:GUIZHOU UNIV

Methods of isolating leaf proteins from moringa leaves

PCT designated stageWO2026062655A1Peptide preparation methodsPlant peptidesMORINGA OLEIFERA LEAFProtein subunit
Provided are methods of producing an isolate of soluble proteins from moringa leaves, and methods of preparing a powder of soluble proteins from moringa leaves. Also provided are compositions-of-matter comprising a chlorophyll-free preparation of soluble proteins of moringa leaves, wherein the soluble proteins comprise large and small Rubisco protein subunits, a preparation comprising the composition-of-matter, and edible, cosmetic and pharmaceutical compositions comprising same.
Owner:PROLEAFERA LTD +2

A COMPOSITION OF A POWDERED SHORTBREAD CONFECTION (POLVORON) WITH MALUNGGAY (Moringa oleifera) LEAF POWDER

ActivePH22026050314U1BiotechnologyVanilla Flavor
This utility model relates to a composition of a powdered shortbread confection (polvoron) with malunggay (Moringa oleifera) leaf powder. Conventional powdered shortbread confection formulations are primarily composed of toasted flour, powdered milk, sugar, and butter. The present utility model provides a composition incorporating powdered malunggay (Moringa oleifera) leaf together with all-purpose flour, powdered milk, white sugar, butter, margarine, and vanilla flavoring to produce a nutritionally enriched powdered shortbread confection. The composition is prepared by drying and pulverizing malunggay leaves, toasting the flour, thoroughly mixing the ingredients, molding the mixture into compact pieces, chilling until firm, and individually wrapping the finished product. The utility model provides an alternative powdered shortbread confection utilizing the nutritional properties of malunggay in a convenient food product suitable for human consumption.
Owner:APAYAO STATE COLLEGE

Cold storage device facilitating preservation of moringa oleifera leaves

The utility model is applicable to the technical field of moringa oleifera leaf preservation, and provides a refrigeration device convenient for moringa oleifera leaf preservation, which comprises a base plate, and a refrigeration box is fixed at the top of the base plate and is used for preserving and refrigerating moringa oleifera leaves; the rotatable placing frame is arranged in the refrigerating box, and a plurality of net baskets capable of being pulled and detached are arranged on the placing frame and used for containing horseradish tree leaves; the refrigerating machine is fixedly mounted at the top of the refrigerating box; and the air outlet pipe is fixedly installed in the refrigerating box, and the air inlet end of the air outlet pipe is fixedly communicated with the cold air output end of the refrigerating machine. According to the cold storage device facilitating preservation of the moringa oleifera leaves, the containing frame can be driven by the driving mechanism to rotate, so that the moringa oleifera leaves at different positions have the opportunity to make contact with cold air, and the problem that cold air is difficult to penetrate through densely-stacked leaves in a traditional stacking and cold storage method is solved.
Owner:RED RIVER VALLEY MORINGA IND CO LTD +2

Moringa oleifera leaf polysaccharide with immune enhancement and antioxidant activity and preparation and application thereof

PendingCN122302116ABiotechnologyDPPH
This invention discloses Moringa leaf polysaccharides with both immune-enhancing and antioxidant activities, as well as their preparation and applications. The method involves liquid nitrogen pulverization, ethanol purification, drying, cellulase hydrolysis, high-pressure homogenization, high-temperature water extraction, centrifugation, alcohol precipitation, ultrafiltration, and freeze-drying to prepare Moringa leaf polysaccharides. The obtained Moringa leaf polysaccharides exhibit good antioxidant activity, showing excellent performance in DPPH, ABTS free radical scavenging, and FRAP total antioxidant capacity assays. Simultaneously, they can promote NO secretion from RAW264.7 macrophages and enhance their phagocytic activity, demonstrating good immune-enhancing activity. The process of this invention is relatively simple, has good applicability in the food industry, and can be applied to various types of food processing.
Owner:SOUTH CHINA UNIV OF TECH

Preparation method of SOD (superoxide dismutase) active wine

PendingCN121896063AAlcoholic beverage preparationBiotechnologyMORINGA OLEIFERA LEAF
The invention relates to a preparation method of SOD (superoxide dismutase) active wine. The preparation method comprises the following steps: (1) preparing a Cu / Zn-SOD stock solution from rumex hanus, agrimonia pilosa, folium mori, rosa roxburghii tratt and pawpaw; the preparation method comprises the following steps: preparing Fe / Mn-SOD stock solution from horseradish tree leaves, soybeans, wheat and corn; preparing an EC-SOD stock solution from inonotus obliquus, hericium erinaceus, agaric, lucid ganoderma and ganoderma sinensis; (2) quantitatively blending the three SOD stock solutions according to a certain activity ratio to prepare an SOD combined stock solution; and (3) mixing and blending the combined stock solution and the base wine, filtering, and standing to prepare the SOD active wine. The preparation method has the advantages that the SOD stock solution is applied to preparation of wine products, so that the SOD wine has unique taste and flavor and has the effects of regulating immunity, resisting oxidation and improving sleep quality.
Owner:JIANGSU YIDE BIOTECHNOLOGY DEV CO LTD

Compound moringa substrate suitable for mushroom production

ActivePH22023051850U1MORINGA OLEIFERA LEAFFruiting body formation
The present utility model relates to a compound moringa substrate suitable for mushroom production. The substrate comprises 9–14 parts by weight of moringa leaf stalk, 60–70 parts by weight of rice straw, 19–24 parts by weight of sawdust, and 1–2 parts by weight of molasses. An exact composition consisting of 10% moringa leaf stalk powder, 70% rice straw, 19% sawdust, and 1% molasses has been found to enhance growth parameters of white oyster mushroom, including days to spawn running, pinhead formation, fruit body formation, and yield characteristics.
Owner:AGUSAN DEL SUR STATE COLLEGE OF AGRI & TECH

An infusion liquid, seed dressing powder composition containing walnut components and application in germination of swertia seed

PendingCN122375607APlant hormoneSwertia mileensis
This invention belongs to the field of seed germination technology for traditional Chinese medicinal materials, specifically providing a soaking solution containing walnut components, a seed dressing powder composition, and its application in the germination of *Gynostemma pentaphyllum* seeds. The soaking solution is prepared by water extraction from a mixture of dried walnut leaves, neem leaves, and moringa leaves. The seed dressing powder composition is a mixture of at least two of the following: walnut inner pericarp powder, walnut green husk powder, neem fruit powder, soapberry fruit powder, and sand. The germination method includes steps such as soaking seeds in the soaking solution, refrigeration, soaking in a bacterial suspension, dressing seeds with the seed dressing powder, germination, and sowing. This invention does not use plant hormones throughout the process, uses agricultural and forestry by-products as germination materials, is low-cost, safe and environmentally friendly, and simple to operate. The germination rate of *Gynostemma pentaphyllum* seeds reaches over 61%, providing effective technical support for the artificial cultivation of *Gynostemma pentaphyllum*.
Owner:INST OF HIGHLAND FOREST SCI CHINESE ACAD OF FORESTRY +1

Compound preservative stabilizer for cakes, preparation method and application thereof

The application belongs to the technical field of food preservatives, and discloses a compound preservative stabilizer for cakes, and a preparation method and application thereof. The compound preservative stabilizer for cakes is prepared from the following components in percentage by mass: calcium propionate, sorbic acid, moringa leaf powder, a stabilizer, an emulsifier, an antioxidant, and an acidulant. The calcium propionate, sorbic acid and moringa leaf powder are preservative components, the stabilizer is gluconic acid-delta-lactone, the emulsifier is a mono-diglyceride fatty acid ester, the antioxidant is sodium erythorbate, and the acidulant is one or more of citric acid, malic acid and tartaric acid. Each raw material is sieved and uniformly mixed to prepare the compound preservative stabilizer. The compound preservative stabilizer is applied to cakes, can effectively inhibit the reproduction of Staphylococcus aureus, mold and other bacterial groups, control the total number of colonies, slow down oxidation and rancidity, extend the shelf life of the cakes to 14 days, improve the nutritional value of the cakes, and meanwhile, maintain the flavor of the cakes.
Owner:GUANGZHOU WELBON BIOLOGICAL TECH

Traditional Chinese medicine extract feed additive for treating pullorum disease and preparation method thereof

PendingCN121926313AAntibacterial agentsMetabolism disorderBiotechnologyMORINGA OLEIFERA LEAF
The invention relates to the technical field of feed additives, in particular to a traditional Chinese medicine extract feed additive for treating pullorum disease and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10-15 parts of radix scutellariae, 6-9 parts of rhizoma coptidis, 4-6 parts of fried radix sanguisorbae, 3-5 parts of herba portulacae, 2-3 parts of horseradish tree leaves, 1-2 parts of fructus aurantii immaturus and 1-2 parts of pouzolzia zeylanica. The invention also provides a preparation method of the feed additive, and the prepared feed additive can effectively treat pullorum disease.
Owner:SHANDONG KANGYU BIOTECHNOLOGY CO LTD

Processing technology of deodorized and tenderized fish fillet

PendingCN122439834ABiotechnologyPSIDIUM GUAJAVA LEAF
The application provides a processing technology of deodorization and tenderization fish slices, which comprises the following steps: S1. live fish slaughtering and pretreatment, S2. scale removing and slicing, S3. peeling, S4. deodorization liquid soaking, S5. tenderizer rolling, S6. vacuum packaging and ultra-high pressure sterilization, S7. quick freezing, shaping and refrigeration. The deodorization liquid is composed of guava leaf extract, noni fruit fermentation liquid and drinking water. The tenderizer is composed of sugarcane extract, moringa leaf fermentation extract, jackfruit seed starch, edible salt and drinking water. The application utilizes the synergistic effect of plant extracts, deodorizes efficiently through guava leaf polyphenols, noni fruit organic acids and protease, and simultaneously assists tenderization. The sugarcane extract containing GABA, combined with moringa leaf protease and jackfruit seed starch, significantly improves the tenderness. The obtained fish slices are odorless and tender, and in addition, the technology is safe and natural, suitable for industrial production and export.
Owner:HAINAN XIANGTAI FISHERY

Moringa oleifera leaf extract with anti-radiation effect as well as preparation method and application of moringa oleifera leaf extract

The invention relates to a horseradish tree leaf extract with an anti-radiation effect and a preparation method and application thereof, and the preparation method comprises the following steps: extracting horseradish tree leaves with an ethanol solution, carrying out centrifugation and ceramic membrane and ultrafiltration membrane refining on an extracting solution, concentrating, carrying out refining through a simulated moving bed, carrying out ethanol solution elution, and finally carrying out freeze drying to obtain the horseradish tree leaf extract. Flavone, isothiocyanate and chlorogenic acid in the moringa oleifera leaf extract reach an optimal synergistic proportion, so that the moringa oleifera leaf extract shows a relatively good anti-radiation protection effect in cell and animal models, the survival rate of irradiated lymphocytes can be remarkably increased, and the damaged immune system function can be repaired.
Owner:ZHEJIANG UNIV OF SCI & TECH +1

Camellia oil composition for relaxing bowel and preparation method thereof

The invention discloses a camellia oil composition for relaxing bowel and a preparation method thereof, and belongs to the technical field of compositions. Comprising the following steps: mixing angelica sinensis, bunge cherry seeds, peach kernels, trichosanthes kirilowii kernels, astragalus membranaceus, Laiyang adenophora stricta, immature bitter oranges, mangnolia officinalis, aster, moringa oleifera leaves and raw atractylodes macrocephala koidz, soaking through water, boiling with big fire, continuously decocting with small fire to obtain a concentrated solution, adding camellia oil, and uniformly stirring to obtain the camellia oil composition for relaxing bowel. The intestine moistening and bowel relaxing effects are improved through the synergistic effect of the whole angelica sinensis, the bunge cherry seeds, the peach kernels, the semen trichosanthis, the astragalus membranaceus, the Laiyang adenophora stricta, the immature bitter oranges, the mangnolia officinalis, the aster, the moringa oleifera leaves, the raw atractylodes macrocephala koidz and the camellia oil in the composition.
Owner:GUANGZHOU XIQIAOSHAN NUTRITION TECH CO LTD

Solid beverage composition, solid beverage and preparation method thereof

The invention provides a solid beverage composition, a solid beverage and a preparation method of the solid beverage, and belongs to the technical field of food and health care products. The solid beverage composition comprises a plant raw material, a plant extract and a carrier, the plant raw materials comprise dandelion, chrysanthemum morifolium ramat, poria cocos, fructus lycii, frosted mulberry leaves, honeysuckle, hawthorn, pericarpium citri reticulatae, fried malt, fingered citron, rhizoma polygonati, fermented soybean, fennel, horseradish tree leaves, spina date seeds, perilla leaves, perilla fruits, radix angelicae, radix polygonati officinalis, dendrobe, asparagus cochinchinensis and radix ophiopogonis; the plant extract comprises a burdock root extract, globe artichoke juice powder and a sulforaphane solid beverage; the carrier comprises inulin, yeast powder and walnut peptide. According to the solid beverage composition, all the components are accurately prepared, the compatibility of the plant raw materials, the extract and the carrier is optimally designed, and the solid beverage composition has the advantages of being comprehensive in nutrition, good in solubility, stable in powder, high in acceptability, safe and controllable.
Owner:天乙丹谷(临沂)医药有限责任公司

Traditional Chinese medicine formula for preventing and treating diabetic nephropathy

PendingCN121337894AMetabolism disorderUrinary disorderHemodialysisDiabetic complication
The invention discloses a traditional Chinese medicine formula for preventing and treating diabetic nephropathy. The important composition is prepared from the following raw material medicines: 100g of gynura divaricata, 100g of silybum marianum seeds, 100g of clerodendranthus spicatus, 60g of melastoma dodecandrum, 60g of horseradish tree leaves, 60g of sappan wood, 60g of pseudo-ginseng, 60g of ligusticum chuanxiong hort, 60g of leech, 60g of gardenia jasminoides, 60g of sweet potato pulp, 60g of centella asiatica and 60g of cottonrose hibiscus leaves. The traditional Chinese medicine composition is prepared into pills and granules, is a pure traditional Chinese medicine preparation, and has a special effect on treating the diabetic complication kidney. The traditional Chinese medicine composition can effectively inhibit and degrade blood muscle liver, urea nitrogen and blood toxins, can gradually restore the renal function of some mild and moderate diabetic nephropathy patients to normal, and can replace hemodialysis or reduce the number of dialysis times for some severe uremia patients.
Owner:朱子龙

Hypoglycemic composition containing rye pollen and preparation method thereof

The invention relates to the technical field of nutrition and health, in particular to a blood sugar reducing composition containing rye pollen and a preparation method of the blood sugar reducing composition. The hypoglycemic composition containing rye pollen comprises the following components in parts by mass: 0.5-2 parts of rye pollen, 0.2-1 part of oriental cherry polyphenol, 0.5-3 parts of gastrodia elata powder, 1-4 parts of codonopsis longiflora powder, 3-5 parts of moringa oleifera leaf powder, 5-10 parts of resistant dextrin, 1-8 parts of inulin and 0.2-1 part of tricalcium phosphate. The hypoglycemic composition containing rye pollen and oriental cherry polyphenol provided by the invention has an auxiliary hypoglycemic effect, also has the effects of regulating intestinal flora, replenishing qi to invigorate the spleen and the like, is good in safety, and can be taken for a long time.
Owner:DONGGUAN SOUTHEAST CENTRAL HOSPITAL (DONGGUAN SOUTHEAST TRADITIONAL CHINESE MEDICINE MEDICAL SERVICE CENTER DONGGUAN FIRST HOSPITAL AFFILIATED TO GUANGDONG MEDICAL UNIVERSITY) +1

Medicinal and edible kefir fermented milk as well as preparation method and application thereof

The invention discloses medicinal and edible kefir fermented milk and a preparation method and application thereof, and belongs to the field of food processing, the medicinal and edible kefir fermented milk comprises solid-liquid separated kefir fermented milk and a nerve probiotic composition, and the kefir fermented milk is prepared by inoculating a fermentation base material with a kefir leavening agent for fermentation; wherein the fermentation base material contains extract for soothing liver-qi stagnation and soothing nerves; the extract for soothing liver-qi stagnation and soothing nerves is prepared from the following raw materials in parts by weight: 2.0%-2.5% of fried spina date seeds, 0.5%-1.0% of fresh dendrobium officinale, 0.5%-1.0% of rosa rugosa plena, 0.3%-0.4% of astragalus membranaceus, 1.0%-1.5% of poria cocos, 1.3%-1.6% of lily, 1.0%-1.2% of codonopsis pilosula, 1.0%-1.2% of mulberry, 0.3%-0.4% of horseradish tree leaves, 0.3%-0.4% of radix ophiopogonis, 0.1%-0.2% of saffron crocus, 0.5%-1.0% of rhizoma polygonati, 0.5%-1.0% of longan aril, 0.5%-1.0% of fructus lycii and 0.5%-1.0% of hawthorn. Through the synergistic effect of multiple mechanisms, the product disclosed by the invention can obviously relieve pressure and improve mood and sleep.
Owner:KITH & KIN FLAVORS (KUNSHAN) CO LTD

Use of a moringa protein that modulates immunity through weak binding to tlr4 in the treatment and relief of colitis

PendingCN122628127AMORINGA OLEIFERA LEAFLymphocyte
The application relates to the field of biological medicine, in particular to application of a moringa protein for treating and relieving colitis by weakly combining with TLR4 to regulate immunity. Moringa leaf powder is mixed with a sodium chloride solution, and then is extracted to obtain extraction material; the extraction material is centrifuged, and the obtained supernatant is freeze-dried to obtain the moringa protein. Mo-pr has significant cell context-dependent intervention on abnormal activation of T cells and mTOR-related inflammatory networks: mainly anti-inflammatory and mTOR pathway inhibition in a Jurkat monoclonal T cell line; and promotion of expression of anti-inflammatory cytokines in a heterogeneous primary spleen mixed lymphocyte.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Moringa oleifera leaf polyphenol composite membrane as well as preparation method and application thereof

PendingCN121319476AContainers preventing decayBiotechnologyMORINGA OLEIFERA LEAF
The invention discloses a horseradish tree leaf polyphenol composite membrane, a preparation method and application thereof. The moringa oleifera leaf polyphenol composite film comprises 0.5-10% of a moringa oleifera leaf polyphenol extract. By adding the moringa oleifera leaf polyphenol extract, the mechanical performance, water resistance, oxidation resistance and antibacterial performance of the pure polysaccharide-based composite film are enhanced, and the obtained moringa oleifera leaf polyphenol composite film has wide application prospects in the fields of food preservation and the like.
Owner:GANSU AGRI UNIV

System for the biogenic synthesis of chitosan-copper nanoparticles using moringa leaf extract

A biogenic nanoparticle synthesis system for the production of chitosan-copper nanoparticles using plant extract, wherein the system comprises the following: a sealed reaction vessel made of corrosion-resistant material, forming an inner reaction chamber configured to contain an aqueous copper salt solution and a plant extract mixture; a temperature control unit that is thermally coupled to the reaction vessel and configured to maintain the temperature inside the reaction chamber within a predetermined range between 25 degrees Celsius and 75 degrees Celsius with a tolerance of plus / minus one degree Celsius; a stirring unit consisting of a variable speed motor and a stirring shaft extending into the inner reaction chamber, wherein the stirring unit is configured to ensure uniform mixing at speeds between one hundred and one thousand revolutions per minute; a plant extract introduction unit consisting of a metered inlet line and a flow control valve configured to introduce an aqueous extract from Moringa oleifera leaves into the reaction chamber at a controlled rate to initiate the reduction of copper ions; a dosing unit for chitosan solution, consisting of a programmable peristaltic pump connected to a reservoir containing a chitosan solution dissolved in dilute acetic acid, wherein the dosing unit is configured to dispense the chitosan solution in a controlled dropwise manner into the reaction chamber; a pH monitoring unit with a pH probe protruding into the reaction chamber; a base addition unit consisting of a reagent reservoir with sodium hydroxide solution and a precision dosing pump to maintain a pH value of the reaction mixture of six plus / minus zero point five; a control unit that is operationally connected to the temperature control unit, the stirring unit, the plant extract feeding unit, the chitosan solution dosing unit, the pH monitoring unit and the base addition unit, wherein the control unit is configured to synchronize the temperature control, the reagent addition rate, the stirring speed and the pH correction to produce a stable colloidal suspension of chitosan copper nanoparticles.
Owner:CHOPKAR KARTIK DHANRAJ YAVATMAL +7

Moringa-cystose nanoparticles, method for preparing the same and use thereof

ActiveCN117024785BBiocideNanotechnologyChitosan nanoparticlesFreeze-drying
The application discloses a moringa-chitosan nanoparticle and a preparation method and application thereof, and belongs to the technical field of green biosynthesis nanomaterials, and the preparation method comprises the following steps: (1) after the washed moringa leaves are chopped, the chopped moringa leaves are heated and stirred in water, and moringa leaf extract is obtained after filtration; (2) chitosan solution and sodium tripolyphosphate solution are added drop by drop into the moringa leaf extract, heated and stirred, fully mixed, centrifuged, washed, and freeze-dried to obtain the moringa-chitosan nanoparticle. The method has simple steps, raw materials are easy to obtain, and reaction conditions are mild; the prepared moringa-chitosan nanoparticle has high purity, good stability, small particle size and uniform dispersion, has a good prevention and treatment effect on rice blast, and can promote the growth and development of rice.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES