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22 results about "SODIUM POLYGLUTAMATE" patented technology

Environment-friendly water-soluble fertilizer containing seaweed extract and polyglutamic acid

The invention relates to the technical field of fertilizers, in particular to an environment-friendly water-soluble fertilizer containing a seaweed extract and polyglutamic acid. The water-soluble fertilizer is prepared by preparing seaweed oligosaccharide and double-grafted poly-L-gamma-sodium glutamate and compounding and complexing the seaweed oligosaccharide and the double-grafted poly-L-gamma-sodium glutamate, has the characteristics of low salting-out, high stability, no precipitation, good slow release performance and the like, and can continuously release nutrients and keep a solution clear and transparent under a low-salt condition; and because the polyglutamic acid and seaweed extract compound drip irrigation agent has the chelation and water retention characteristics of the polyglutamic acid and the natural growth promoting effect of the seaweed extract, the crop rhizosphere nutrient absorption efficiency and stress resistance are remarkably improved, the compound drip irrigation agent is suitable for drip irrigation and water and fertilizer integrated application of greenhouse vegetables, fruit trees and field crops, and the comprehensive effects of high efficiency, low salt load and environment friendliness are achieved.
Owner:SHANDONG JIAKE PLANT NUTRITION ENG CO LTD

Freeze-dried essence with repairing effect and preparation method thereof

The invention discloses a freeze-dried essence with a repairing effect and a preparation method, and belongs to the field of skin care products, and the freeze-dried essence is composed of freeze-dried powder and an independent solvent liquid. The freeze-dried powder contains 0.5-3 parts of palmitoyl oligopeptide, 3-8 parts of I-type collagen, 1-5 parts of III-type collagen, 0.1-1 part of chitosan, 1-3 parts of secondary variable-temperature fermentation liquor of betula platyphylla and 2-8 parts of a freeze-drying protective agent; the solvent liquid is prepared from 0.5 to 3 parts of hyaluronic acid and 0.05 to 0.5 part of sodium polyglutamate. The preparation method comprises the following steps: a, adding fermentation liquor after dissolving; b, adding nano liposome and a protective agent; c, quickly freezing to-55 + / -2 DEG C by liquid nitrogen, and preserving heat for 2.5-3.5 hours; d, drying for 9-11 hours under the vacuum of 15-25 Pa and at the temperature of-18 + / -2 DEG C; and e, the temperature is increased to 15 + / -2 DEG C in a stepped mode, vacuum is smaller than or equal to 20 Pa, and drying is conducted for 18- Through scientific formula design, multiple effects of efficient repairing, anti-aging and relieving are achieved.
Owner:HUNAN LINGZHI PHARMACEUTICAL TECHNOLOGY CO LTD

Hair follicle nourishing composition containing tripeptide-1 and preparation method thereof

The invention belongs to the technical field of cosmetics, and particularly discloses a hair follicle nourishing composition containing tripeptide-1 and a preparation method of the hair follicle nourishing composition. Comprising the following components in parts by mass: 36.5-47.3 parts of a Korean ginseng extract, 24-30 parts of a green alga extract, 20-28 parts of lactobacillus / soybean extract fermentation product filtrate, 1-5 parts of sodium polyglutamate, 1-4 parts of hydrogenated vegetable oil glyceride, 0.5-1.5 parts of sodium lactate and 0.2-1 part of tripeptide-1. On the basis that sodium polyglutamate, hydrogenated vegetable oil glycerides, sodium lactate and tripeptide-1 are added, through the synergistic interaction of the Korean ginseng extract, the green alga extract and the lactobacillus / soybean extract fermentation product filtrate, the composition capable of effectively inhibiting the activity of malassezia furfur, relieving or eliminating scalp inflammation, preventing and treating scalp inflammation and the like is obtained. Human hair papilla cell proliferation is promoted, and hair follicles are effectively nourished.
Owner:GUANGZHOU KELIDE DAILY CHEM TECH CO LTD

Organic liquid fertilizer based on straw enzymatic hydrolysate and preparation method thereof

PendingCN122277322ABiotechnologyHydrolysate
This invention relates to the field of fertilizer technology, specifically to an organic liquid fertilizer based on straw enzymatic hydrolysate and its preparation method. The method includes: pretreating corn straw with potassium hydroxide, followed by enzymatic hydrolysis with cellulase and xylanase to obtain the enzymatic supernatant; sequentially treating the supernatant with an ultrafiltration membrane with a molecular weight cutoff of 3000 Da and a nanofiltration membrane with a molecular weight cutoff of 500 Da to collect oligosaccharides with a molecular weight window of 500-3000 Da; partially stabilizing the reducing end of the oligosaccharides with sodium borohydride; pre-complexing with boric acid at pH 8.4-8.8; then sequentially adding relatively low molecular weight sodium polyglutamate, calcium chloride dihydrate aqueous solution, and ultra-high molecular weight sodium polyglutamate to construct a sequential complexation system; subsequently adding potassium nitrate and citric acid aqueous solution; and finally, after filtration at 5 μm and heat treatment at 70℃, obtaining the organic liquid fertilizer. This fertilizer has a high proportion of 500-3000 Da oligosaccharides and a low reducing sugar equivalent, inhibiting storage precipitation and browning, and improving the retention rate of extractable oligosaccharides in the soil.
Owner:SUZHOU YUMEI AGRICULTURAL TECHNOLOGY CO LTD

Muscle-moistening composition for facial mask and preparation method of skin-moistening composition

The invention relates to a skin moistening composition for a mask and a preparation method thereof, and belongs to the technical field of skin care products, the skin moistening composition is composed of sodium polyglutamate, saccharide isomeride, prunus amygdalus dulcis oil, cajeput leaf oil, an auxiliary natural extract, a permeation enhancing component, a dispersing component, a thickening component, an antiseptic component and deionized water, the auxiliary natural extract comprises a dracocephalum dracocephalum extract and a roselle extract, the permeation enhancing component is at least one of laurocapram and isopropyl myristate, the dispersing component comprises polyglycerol-10 myristate and polyglycerol-6 octoate, the thickening component comprises carbomer and hydroxyethyl cellulose, and the stabilizing component comprises a stabilizing component and a stabilizing component. According to the skin moistening composition, the preservative components comprise sodium ethylparaben and sodium methyl paraben, although the active components of the skin moistening composition are all natural source components, the skin moistening performance is still excellent, the skin moistening and moistening effects are excellent, and the skin care advantages of mildness and strong effect are shown.
Owner:SHENZHEN KEYAN IMPRESSION BIOTECHNOLOGY CO LTD

High-activity humic acid liquid water-soluble fertilizer and preparation method thereof

The invention relates to the technical field of fertilizers, in particular to a high-activity humic acid liquid water-soluble fertilizer and a preparation method thereof.The high-activity humic acid liquid water-soluble fertilizer is prepared from, by mass, 45-50 parts of a humic acid compound, 14-18 parts of loaded particles, 1-1.5 parts of sodium polyglutamate, 0.5-1 part of a chelating agent glutamic acid N, N-diacetic acid and 1.5-2.5 parts of modified polyethylene glycol methyl ether methacrylate, according to the invention, through the technical scheme of enzymolysis activation of humic acid composite stress-resistant substances, dual-carrier embedding of probiotics and nano homogenization of a block dispersant, compared with the prior art, the biological activity and stress-resistant function of the humic acid are remarkably improved, long-acting slow release and rhizosphere targeted colonization of the probiotics are realized, a high-salt stable system is constructed, and the biological activity and stress-resistant function of the humic acid are improved; the method has wide application prospects in saline-alkali soil improvement, facility agriculture water and fertilizer integration and organic fruit and vegetable planting.
Owner:广东立威农业科技有限公司

A core-shell type microneedle with antibacterial and liquid absorption functions and a preparation method thereof

This invention discloses a core-shell microneedle with both antibacterial and exudate-absorbing properties, and its preparation method, belonging to the field of microneedle drug delivery systems and acne treatment technology. The microneedle comprises: a core layer containing an exudate-absorbing component for absorbing exudate; and a shell layer covering the core layer, containing a microenvironment-responsive drug delivery unit and antibacterial nanoparticles loaded within the drug delivery unit. The drug delivery unit responds to the microenvironment of the acne lesion by releasing the antibacterial nanoparticles. This invention combines baicalein and surfactant into nanoparticles, loaded into a ROS-responsive shell layer formed by TSPBA and polyvinyl alcohol. Sodium polyglutamate is introduced into the core layer as an exudate-absorbing component. The core-shell microneedle is prepared by a two-step centrifugation method. This invention solves the problems of poor drug permeability, uncontrollable release, and exudate affecting treatment efficacy in traditional acne treatments. It achieves targeted drug release and exudate adsorption synergistic effects on acne lesions, improves drug bioavailability, reduces systemic side effects, and is suitable for the treatment of acne, especially inflammatory and purulent acne.
Owner:CHENGDU MEIYUXING MEDICAL TECHNOLOGY CO LTD

Efficient fertilizer for crops and preparation method thereof

The invention relates to the technical field of organic fertilizers, in particular to a high-efficiency fertilizer for crops and a preparation method of the high-efficiency fertilizer. The method comprises the following steps: on the basis of semi-hydrated gypsum and attapulgite, sequentially constructing a calcium-based inner core, a calcium-magnesium-based inner core and a composite shell through multi-step layered granulation, and synergistically introducing fulvic acid, high-molecular / low-molecular-weight poly-L-sodium glutamate, livestock and poultry manure compost, magnesite, NH4 < + > pre-loaded 4A zeolite and other organic-inorganic components. An inner core forms a crystal-organic micro-network with both toughness and compactness, an initial diffusion channel is effectively passivated, and an outer layer inhibits an instantaneous ion peak value and guarantees stable release under a dry-wet cycle through a hydrophilic dynamic diffusion membrane and a proper amount of exchangeable ion sites. According to the structure, the crack resistance and the forming integrity of the fertilizer particles are improved, the controllability and the stability of the nutrient release process are ensured, the requirement for continuous growth of saline-alkali soil crops is very met, and the field practicability and the industrial preparation feasibility are both achieved.
Owner:JIANGYONG ENQUAN ENVIRONMENTAL PROTECTION TECH CO LTD

High-water-solubility denitroflavin-polyglutamic acid compound as well as preparation method and application thereof

The invention relates to a high-water-solubility denitroflavin-polyglutamic acid compound as well as a preparation method and application thereof, and belongs to the technical field of denitroflavin. The method comprises the following steps: adding the second generation of denitroflavin into an activated sodium polyglutamate solution, adjusting the pH value to 6.8-7.2, then stirring and reacting for 4-6 hours under the water bath condition of 45-55 DEG C, and dialyzing, freeze-drying and grinding to obtain the denitroflavin-polyglutamic acid compound. According to the preparation method, the water solubility of the second generation of denitroflavin is improved by cross-linking the second generation of denitroflavin and sodium polyglutamate for the first time, specifically, the second generation of denitroflavin is added into an activated sodium polyglutamate solution, so that free carboxyl of a side chain of the sodium polyglutamate and active groups of the second generation of denitroflavin are subjected to affinity reaction and multiple cross-linking; a stable three-dimensional network structure is formed, and the second-generation denitrioxanthin is wrapped in the sodium polyglutamate, so that the physical property of the second-generation denitrioxanthin is fundamentally changed to improve the water solubility of the second-generation denitrioxanthin.
Owner:SHANDONG FENGJIN MEIYE TECH CO LTD

Collateral-dredging health-care gel extracted from herbaceous plants and preparation process thereof

The invention belongs to the technical field of herbaceous plant extraction, and particularly relates to a collateral-dredging health-care gel extracted from herbaceous plants and a preparation process of the collateral-dredging health-care gel. The herbaceous plant raw materials are specifically prepared from coptis chinensis, radix sophorae flavescentis, pseudo-ginseng, dragon's blood, radix angelicae, lithospermum erythrorhizon, herba violae, fructus cnidii, cortex dictamni, fructus kochiae, angelica sinensis, turmeric, rhodiola rosea, selfheal, radix ranunculi ternati, pepper, rhizoma atractylodis, chamomile, smoked plum, saussurea involucrata, liquorice and water; the matrix is specifically prepared from carbomer, propylene glycol, glycerol, triethanolamine, nicotinamide, sodium polyglutamate, phenoxyethanol, fibronectin, sodium hyaluronate and purified water. Through combination of various herbaceous plant extracts and modern skin care components, the traditional Chinese medicine composition aims to regulate qi and blood in the body and promote blood circulation in an external use manner, and has a remarkable health care effect. The preparation process is scientific and reasonable, the curative effect of herbaceous plants is fully exerted, and meanwhile, the stability and safety of the product are ensured.
Owner:HENAN AIZAIDEDUO BIOTECHNOLOGY CO LTD

Biomass quantum dot dual-effect sub-stage repair whitening and anti-aging mask formula and preparation method

PendingCN122461206ABiotechnologyTaraxacum officinale leaf
The application discloses a biomass quantum dot enabled double-effect grading repair whitening and anti-aging mask formula and a preparation method thereof. The formula comprises a cleaning and anti-irritation mask and a functional mask. The cleaning and anti-irritation mask and the functional mask both comprise the following raw materials: water, glycerol, propylene glycol, butylene glycol, 1,2-hexanediol, 1,2-pentanediol, tripartite grass leaf / root extract, dandelion leaf extract, p-hydroxyacetophenone, radix stephaniae tetrandrae extract, ethylhexylglycerin, polysorbate-80, palmitoyl pentapeptide-4, ethanol, umbilical cord extract, phenoxyethanol, hydrolyzed placenta extract, palmitoyl tripeptide-1, sodium hyaluronate, hydroxyethyl cellulose, disodium hydrogen phosphate, sodium dihydrogen phosphate, polysorbate-60, sodium polyglutamate, tremella fuciformis fruiting body extract and biomass quantum dots. The biomass quantum dots are added in an amount of 0.5-1.2 parts by weight in the cleaning and anti-irritation mask and in an amount of 1.0-1.7 parts by weight in the functional mask.
Owner:CHONGQING ZHENGXIAN HEALTH TECHNOLOGY CO LTD

Temperature / pH double-response type sodium polyglutamate-hyaluronic acid composite microspheres as well as preparation method and application thereof

The invention relates to a temperature / pH dual-response type sodium polyglutamate-hyaluronic acid composite microsphere as well as a preparation method and application thereof, and belongs to the technical field of beauty medicines. Comprising the following steps: (1) mixing a polylactic acid-glycolic acid copolymer, poly (N-isopropylacrylamide) and chitosan to obtain a compound oil phase; (2) mixing polyglutamic acid, hyaluronic acid and RGD-PEG to obtain a functional water phase; (3) mixing the composite oil phase and the functional water phase to obtain W / O / W emulsion; and (4) carrying out selective crosslinking on the W / O / W emulsion, and then carrying out deep crosslinking to obtain the composite microspheres. The composite microsphere prepared by the invention has a temperature / pH double-response function, can shrink and release the active pharmaceutical ingredients in a skin inflammation high-temperature area after loading the active pharmaceutical ingredients, and also can accelerate degradation and release the active pharmaceutical ingredients in a weak acid environment.
Owner:SHANDONG FENGJIN MEIYE TECH CO LTD

Composition for post-art repair and application thereof

The invention relates to a composition for post-art repair and application of the composition. The composition is prepared from dipotassium glycyrrhizinate, sodium hyaluronate, sodium polyglutamate, kava pepper leaf / root / stem extract, ectoine, chitosan, tranexamic acid, tremella sporocarp extract and betaine. The composition provided by the invention can achieve the synergistic effects of instantly relieving, quickly repairing a physical barrier, recovering balance of a microbial barrier and preserving moisture for a long time.
Owner:GUANGDONG BASONA BIOTECHNOLOGY CO LTD

Binder, preparation method thereof and self-adhesive flexible electrode

The invention relates to the technical field of binders, in particular to a binder, a preparation method thereof and a self-adhesion flexible electrode. Dissolving sodium polyglutamate in water to obtain a first solution; a modifier is dissolved in water to obtain a second solution, the modifier is dissociated to form halide ions and modified ions, the modified ions comprise N + groups connected with three substituent groups, and groups at the far ends of the modified ions are long-chain alkyl groups with the chain length larger than or equal to 8. And mixing the first solution and the second solution, collecting the precipitate, and drying to obtain the adhesive substance. And forming an adhesive layer by using an adhesive substance, and compounding the adhesive layer with a flexible and conductive electrode layer to form the self-adhesive flexible electrode. Due to the fact that the polyglutamic acid has high biocompatibility, the N + group has a sterilizing effect, and the long-chain alkyl group has a hydrophobic effect, the adhesive has good biocompatibility, antibacterial property and waterproofness and further has high adhesion capacity, the self-adhesion flexible electrode can be stably adhered to the skin surface conveniently, the skin is not damaged, and a bio-electricity signal is accurately output.
Owner:SUZHOU UNIV

Method for preparing polyglutamic acid chelated zinc, polyglutamic acid chelated zinc composition and application thereof

This invention relates to the field of daily chemical products technology, and discloses a method for preparing polyglutamic acid chelated zinc, a polyglutamic acid chelated zinc composition, and its application. The method includes: dissolving an appropriate amount of sodium γ-polyglutamate powder in water to prepare a sodium γ-polyglutamate aqueous solution; adjusting the pH value to 3.5-4.0; heating to 80-90℃ and maintaining for 6-8 h; cooling to room temperature; and ultrafiltration to obtain a low molecular weight γ-polyglutamic acid aqueous solution; adjusting the pH value of the low molecular weight γ-polyglutamic acid aqueous solution to 4.0-4.5; adding ammonia and water-soluble zinc salt according to a preset ratio; stirring thoroughly to dissolve evenly; and then continuously heating in a water bath at 60-80℃ for 2-4 h to obtain a product solution; ultrafiltration of the product solution through a 0.8-1.2 kDa ultrafiltration membrane; and spray drying the obtained filtrate to obtain polyglutamic acid chelated zinc. The polyglutamic acid chelated zinc obtained by this method has a high chelation rate, very few free zinc ions, relatively stable physicochemical properties, and is produced under mild conditions, with a simple method and no organic solvents.
Owner:BEIJING YANZHISHAN TECH CO LTD

Whitening composition based on arbutin and nicotinamide and preparation method thereof

PendingCN121242982ACosmetic preparationsToilet preparationsCaprylyl GlycolBiology
The invention discloses a whitening composition based on arbutin and nicotinamide and a preparation method thereof, and belongs to the technical field of cosmetics, the preparation method comprises the following steps: dispersing sodium alginate in hot water under high-temperature shearing, and hydrating to obtain a glue solution A; dissolving nicotinamide, alpha-arbutin, inositol and caprylyl glycol in dipropylene glycol to obtain a solution B; performing dry mixing on beta-1, 3-glucan and sodium polyglutamate, and performing high-speed shearing in hot water to obtain slurry C; cooling the slurry C, mixing with the solution B, and adding the glue solution A; and finally, standing and aging the system at 4 DEG C, spraying a trace calcium chloride ethanol solution for several times to induce the formation of a gel network, and adjusting the pH value. The technical problems that alpha-arbutin is easy to hydrolyze and inactivate and nicotinamide is high in irritation are successfully solved through a unique low-temperature ionic cross-linking gel process, the obtained product is excellent in stability, has a slow-release synergistic effect, can achieve a mild and efficient whitening effect without adding a chemical penetration enhancer, and can be applied to skin care products such as essence and ampoules.
Owner:HUAIAN SHIHUA JIUCAO BIOTECHNOLOGY CO LTD

Skin-whitening spot-fading repair type anti-aging glass repair pigment with high-pressure micro-jet nanoscale transdermal absorption

The invention discloses a whitening, spot-fading and repairing type anti-aging glass repairing agent with a high-pressure micro-jet nanoscale transdermal absorption function. Comprising the following raw materials in parts by weight: 5-8 parts of vitriol, 3-5 parts of modified shell powder, 1-3 parts of peptides, 1-3 parts of glabridin, 2-3 parts of modified sodium hyaluronate, 2-3 parts of sodium polyglutamate, 4-6 parts of glycerol, 2-3 parts of ceramide NP, 2-3 parts of phosphatidylcholine and 7-10 parts of water. Wherein the peptide substance is prepared from carnosine, snake venom and argireline according to the weight ratio of 1: 1: 1. According to the anti-aging glass repairing agent, ceramide NP and phosphatidylcholine are adopted to be matched with glycerin, meanwhile, the raw materials such as the glass repairing agent, the modified shell powder, the peptides, the glabridin and the modified sodium hyaluronate are matched with the sodium polyglutamate, and the raw materials are blended, coordinated and jointly synergized, so that the obtained product realizes the coordination and optimization of whitening and anti-aging; and the transdermal absorption efficiency of the product is remarkable.
Owner:BEAUTIFUL SKIN COSMETICS CO LTD

A self-adhering flexible electrode

The present application relates to the technical field of adhesive, in particular to an adhesive, a preparation method thereof and a self-adhesive flexible electrode. Sodium polyglutamate is dissolved in water to obtain a first solution. A modifying agent is dissolved in water to obtain a second solution, so that the modifying agent dissociates to form halogen ions and modifying ions, the modifying ions include N + groups connected with three substituents, and the group at the distal end is a long-chain alkyl with a chain length greater than or equal to 8. The first solution and the second solution are mixed, the precipitate is collected and dried to obtain an adhesive substance. The adhesive substance forms a viscous layer and is compounded with a flexible and conductive electrode layer to form a self-adhesive flexible electrode. Since polyglutamic acid has high biocompatibility, the N + group has a sterilization effect, and the long-chain alkyl has a hydrophobic effect, the adhesive has good biological affinity, antibacterial property and waterproof property, and also has strong adhesive capacity, which facilitates the stable adhesion of the self-adhesive flexible electrode to the skin surface, does not damage the skin and accurately outputs bioelectric signals.
Owner:SUZHOU UNIV

Chewing type oral cavity desensitizing adhesive containing bioactive glass and preparation method thereof

The invention discloses chewing type oral cavity desensitization glue containing bioactive glass and a preparation method of the chewing type oral cavity desensitization glue. Comprising 0.5%-5% of bioactive glass of modified composite silicate, 3%-6% of nano clay, 0.5%-2.5% of a recombinant human collagen composition, 1%-3% of gamma-sodium polyglutamate, 2%-5% of hydroxyethyl cellulose, 3%-8% of propylene glycol, 0.2%-0.8% of menthol, 20%-40% of a filler, 10%-20% of a modified disintegrating agent and 0.5%-1% of magnesium stearate, and the chewing dosage form is prepared through mold forming, drying and sterilization. The limitation that a traditional desensitizer is short in action time is broken through, the oral retention time is prolonged through chewing, dentin remineralization is promoted, the antibacterial rate reaches 99.9% or above, the repair function is enhanced through gene recombinant collagen, a dual-network structure is achieved through a modified disintegrating agent, the mechanical performance is improved through nano clay, and the desensitizer has the multiple effects of desensitization, antibiosis and mineralization.
Owner:WENZHOU MEDICAL UNIV CIXI INST OF BIOMEDICINE +1

Vacuum ice-sculpture strawberry cell liquid skin care agent, its preparation method and application in skin moisturizing repair

PendingCN122320852Aincrease moisture contentOptimized formulaBiotechnologyCellulose
This invention discloses a vacuum-extracted strawberry cell sap skincare agent, its preparation method, and its application in skin moisturizing and repair, belonging to the field of skin care technology. The vacuum-extracted strawberry cell sap skincare agent comprises the following components in parts by weight: 70-85 parts strawberry cell sap, 0.1-0.5 parts sodium polyglutamate, 0.1-1 parts trehalose, 0.05-0.3 parts ceramide, 0.1-0.3 parts propylene glycol, 2-10 parts glycerin, 0.1-0.5 parts sodium hyaluronate, 0.2-0.8 parts hydroxyethyl cellulose, and 0.1-0.5 parts xanthan gum. This invention is the first to use strawberry cell sap as the core active ingredient in a skincare product, breaking through the limitations of traditional strawberry extract applications and fully exploring the skincare potential of natural molecules, water-soluble antioxidants, and fruit acids in the cell sap. Through the scientific formulation of sodium polyglutamate, trehalose, ceramide, and other ingredients, the moisturizing, repairing, and barrier-strengthening functions of the cell sap are significantly enhanced.
Owner:RIZHAO CHANGRONG BIOTECHNOLOGY CO LTD +1

Cell dilution buffer solution and application thereof

According to the cell dilution buffer solution provided by the invention, an anti-adsorption inerting component, namely phosphorylcholine, is added to form an inerting layer similar to a biofilm, so that the adsorption of consumables to cells is delayed and inhibited, and natural high-hydrophilic macromolecular sodium polyglutamate is added to prevent cell agglomeration, so that the cell dilution buffer solution is prepared. The common problems of the existing diluent are solved by cooperating with a multi-component synergistic mechanism of proline and / or hydroxyectoine, polystyrene-based acetal trehalose and the like, the cell dispersity is improved, the cell loss and adsorption are reduced, and the experimental consistency is improved.
Owner:APPLITECH BIOLOGICAL TECH CO LTD

A method for applying polyglutamic acid to improve water production efficiency of rice

The application belongs to the field of water-saving cultivation of rice. Huanghuazhan is used as the material, and two γ-PGA dosages are set under two water management modes of dry-wet alternation (total input water amount is about 1131.33-1152.33 mm) and drought (total input water amount is about 737.00-743.67 mm), wherein a control group is 0 kg hm ‑2 , and a treatment group is 1.0 kg hm ‑2 . The application studies the influence of γ-PGA application on water production efficiency of rice under different water management modes. A method for improving water production efficiency of rice is disclosed, which is characterized by applying 1.0 kg hm ‑2 of the γ-PGA in four times, weighing 0.25 kg hm ‑2 of sodium polyglutamate powder each time, preparing a water solution, preparing on demand, and spraying the solution on the surface layer of soil during the whole field leveling to rice transplanting period, tillering period, jointing period and full heading period, and synchronously with nitrogen fertilizer. The application can effectively improve the water production efficiency of rice.
Owner:HUBEI UNIV