29 results about "Alginic acid" patented technology

An edible gel composition for adsorbing alcohol, a preparation method therefor and the use thereof. Raw materials of the edible gel composition for adsorbing alcohol comprise a carboxymethyl cellulose raw material, an alginic acid raw material, and a calcium source. The mass relationship between the components in the raw materials satisfies: W1=m2 / (m1+m2)×100%, and 12％≤W1≤35％; f=m4 / m3, and 0.1≤f≤1.2; wherein m1 is the mass of the carboxymethyl cellulose raw material, m2 is the mass of the alginic acid raw material, m3 is the mass of carboxyl groups in the alginic acid raw material, and m4 is the mass of Ca2+ in the calcium source.

The present application relates to the technical field of traditional Chinese medicine preparation, and discloses a plant extract composition for relieving liver-QI stagnation and nodules, which is made of isomaltooligosaccharide, matrix precursor liquid derived from kelp and licorice, lipophilic concentrate, natural organic acid adjusting liquid and heat-sensitive active liquid. By in-situ reaction of the matrix precursor liquid and the organic acid, an interpenetrating network structure of glycyrrhizic acid and alginic acid is constructed in the system, and an oil-in-water emulsion gel with thixotropy and pH responsiveness is formed. The preparation method comprises matrix emulsification, organic acid atomization instantaneous initiation, low-temperature composite heat-sensitive component and double-stage cooling shaping. The present application realizes targeted enteric release of the drug by the interpenetrating network, and protects the heat-sensitive component, thus solving the problems of poor stability and low bioavailability of traditional preparations, and having the effects of soothing the liver and regulating Qi, softening and resolving nodules, and strengthening the body resistance.

The application discloses a fresh-consumption type sweet potato yield-increasing and quality-improving regulator fertilizer and an application method and application thereof, and belongs to the field of agricultural technology. The regulator fertilizer comprises a plant growth regulator (uniconazole and mepiquat chloride), a nutrient element fertilizer (a phosphorus source and a potassium source), a biological stimulant and a trace element fertilizer. Preferably, the biological stimulant comprises alginic acid and amino acid, and the trace element fertilizer comprises zinc, boron and iron. The application further provides an application method of the fertilizer, which comprises root dipping treatment and foliar spraying. The application realizes comprehensive regulation on the growth of sweet potato by compounding uniconazole and mepiquat chloride and combining a phosphorus and potassium source, trace elements, a biological stimulant and a synergist, and has remarkable effects in controlling stem and vine growth, promoting tuber enlargement, improving yield and quality, enhancing plant stress resistance and the like, and is low in cost, convenient to apply and has a wide application prospect.

This application relates to the field of microbial fertilizer technology, specifically to a microbial suspension fertilizer based on seaweed nano-zinc oxide, its preparation method, and its application. First, *Sargassum fusiforme* (seaweed) is washed, dried, and ground into powder, then mixed with water to form an algae slurry. Alginic acid lyase is added to the *Sargassum fusiforme* slurry to obtain an enzymatic hydrolysate. Then, the *Sargassum fusiforme* enzymatic hydrolysate is mixed with zinc acetate under heating conditions. The reaction product is centrifuged, washed, and calcined to obtain seaweed nano-zinc oxide particles. Finally, the nano-zinc oxide particles and adjuvants such as compound microbial agents are formulated into a microbial suspension fertilizer. By utilizing the reaction between *Sargassum fusiforme* enzymatic hydrolysate and zinc acetate, seaweed nano-zinc oxide with more uniform particle size can be obtained, and its photocatalytic and antibacterial properties are improved. Furthermore, the microbial suspension fertilizer prepared based on this seaweed nano-zinc oxide can promote crop growth, improve crop quality, and fortify grain zinc nutrition, making it suitable for various agricultural production applications.

The present invention aims to provide an intraoral adhesive film that combines adhesive properties and slow dissolution properties in a well-balanced manner. [Solution] The present invention provides an intraoral adhesive film containing (A) ιcarrageenan and (B) κcarrageenan. Preferably the film further contains (C) a water-soluble polymer such as tamarind gum, gum arabic, karaya gum, xanthan gum, gellan gum, tragacanth gum, guar gum, tara gum, locust bean gum, pullulan, gelatin, casein, pectin, agar, glucomannan, galactomannan, starch, carboxymethyl starch, dextrin, alginic acid, alginic acid ester, chitin, chitosan, carboxymethylcellulose, λcarrageenan, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, and ethylcellulose.

The application provides a 5-amino-8-hydroxyquinoline-alginic acid polyolefin material ash removal agent and a preparation method and application thereof, and the ash removal agent has a structure of formula I. In the application, 5-amino-8-hydroxyquinoline and alginic acid are connected by a chemical bond to form an ash removal agent of a polyolefin solution. Compared with the prior art, the ash removal agent has more active sites, can be fully complexed with metal ash, and can effectively remove metal ash in a polypropylene material; the preparation method of the ash removal agent is simple, the ash removal rate is fast, the removal rate of metal ions is high, the adsorption capacity is large and the like; and the ash removal agent is not limited to the basic ash content of the polyolefin material, has a wide raw material source, has good stability, can meet the requirements of a fixed bed reaction device, is not limited by a basic production process, and does not affect the stability and continuity of normal production.

The application relates to the technical field of nano composite emulsion, in particular to a self-cleaning nano composite emulsion and a preparation method and application thereof, and the preparation raw materials comprise a vinyl functionalized SiO2 nano dispersion liquid, a functionalized alginic acid salt, a vinyl monomer, an initiator, an emulsifier and deionized water; according to weight parts, the preparation raw materials of the vinyl functionalized SiO2 nano dispersion liquid comprise tetraethyl orthosilicate 1-2 parts, ammonia water 0.01-0.02 parts, ethanol 20-30 parts, deionized water 4-6 parts and a silane coupling agent 0.5-0.6 parts; the vinyl monomer comprises butyl acrylate and methyl methacrylate, and the mass ratio of the butyl acrylate to the methyl methacrylate is (70-80):(20-30). The nano composite emulsion provided by the application simultaneously shows excellent effects in terms of hydrophilicity, optical performance, adhesion and stain resistance, and solves the pain points of mutual exclusion of existing coating performances.

Provided are a tetrodotoxin conjugate, a method for preparing same, and use thereof. A carboxyl-containing macromolecular compound and tetrodotoxin are used as the starting materials, and after a catalyst and a solvent are added, the tetrodotoxin conjugate is obtained by means of a coupling reaction. The carboxyl-containing macromolecular compound is selected from carboxylated dextran, carboxylated β-cyclodextrin, alginic acid, and polyacrylic acid. The tetrodotoxin conjugate can be used in the preparation of a sodium channel blocker and a medicament for treating neuropathic pain caused by chemotherapy, and possesses an analgesic effect associated with tetrodotoxin (TTX). In addition, the therapeutic window is increased, thereby greatly improving the safety.

The purpose of the present invention is to provide an intraoral adhesive film which has a good balance of adhesive properties and sustained-release properties. Specifically, the present invention provides an intraoral adhesive film containing (A) ι carrageenan and (B) κ carrageenan. It is preferable that the film further contain (C) a water soluble polymer such as tamarind gum, gum arabic, karaya gum, xanthan gum, gellan gum, tragacanth gum, guar gum, tara gum, locust bean gum, pullulan, gelatin, casein, pectin, agar, glucomannan, galactomannan, starch, carboxymethyl starch, dextrin, alginic acid, alginic acid ester, chitin, chitosan, carboxymethyl cellulose, λ carrageenan, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, methyl cellulose, or ethyl cellulose.

The present invention relates to a functional feed and an oral delivery system for delivery of bioactive macromolecules. The oral delivery system comprises ethylenediammonium alginate which is a vehicle for delivery of macromolecular drugs. The oral delivery system according to the present invention is particularly suitable for use in combination with functional feeds in fish.

A coating material includes silane salt-modified polysaccharide salt, cationic starch, and water. The silane salt can be Si(OH)x(OK)y(R)4-x-y; R is a C1-10 alkyl group; x=1 to 2, y=1 to 2, and x+y=2 to 3. The polysaccharide salt is a salt of cellulose derivative, natural gum, alginic acid, starch, chitosan, or a combination thereof. The coating material can be used to manufacture an oil-proof paper.

The application discloses a resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle which is prepared from the following components and their mass fractions: resveratrol 0.1-1.0 parts, soybean lecithin 5-15 parts, chitosan hydrochloride 0.4-1.2 parts and sodium alginate 0.4-1.2 parts. The application also discloses a preparation method of the resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle. The resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle has obvious slow-release behavior, is beneficial to the absorption of resveratrol in the small intestine of a human body and improves the bioavailability. The preparation method of the resveratrol liposome-chitosan-alginic acid polyelectrolyte gel microparticle is simple and easy to implement, does not need to use organic solvents, has superior light and heat stability and prolongs the storage period of the resveratrol gel microparticle.

The application provides a preparation method and application of brown alga fermentogen, and belongs to the technical field of biological extraction.The application realizes efficient protection of natural molecular weight, sequence structure and fermentogen activity of the brown alga fermentogen by selectively capturing polyphenol impurities in a crude extract under low temperature and near neutral pH conditions through an electron-withdrawing group modified borate affinity adsorbent, then performing deboron treatment through a special boron-specific chelating resin column, and performing ultrafiltration concentration and dialysis under mild conditions, so that the brown alga fermentogen with high purity and high activity is obtained, and problems such as incomplete degradation of alginic acid and removal of polyphenols, boron residue and activity damage in the traditional process are solved.The brown alga fermentogen has the characteristics of high purity, high activity, complete structure and high safety, and can be used in the fields of high-efficiency fermentogen raw materials, medical carriers and sustained-release materials, cosmetics and biological fermentation industry.

The application provides an antibacterial peptide composition, a preparation method and application, and comprises a composite probiotic core layer, an antibacterial lipopeptide loading layer and a CaCO3 nanocrystal buffered alginate / pectin composite microcapsule coating; the composite probiotic layer comprises a bacteria slurry composed of Ruminococcus lactaris CY12 and S. salivarius 7247 at a ratio of 1:1 in terms of viable bacterial number, and the total viable bacterial number is greater than or equal to 5.0x10 9 CFU / g; and the antibacterial lipopeptide layer comprises SEPs candidate peptides mined from human intestinal metagenome, and the total addition amount is 0.1%-0.5%. The antibacterial peptide composition, the preparation method and the application are used, gastric acid tolerance and colon targeting accuracy better than traditional pH-dependent coating are realized, natural synergy of maintenance and defense is realized, and excellent efficacy can be achieved without genetic engineering modification.

The application discloses application of a methylcarboline acid-based composition in yield increase, root promotion, color transformation and preservation of plants, relates to the field of plant growth regulators, and the composition comprises methylcarboline acid and one or more active ingredients selected from sodium molybdate, 5-aminoacetylpropionic acid, abscisic acid, polyglutamic acid and alginic acid; the application of the methylcarboline acid-based composition in yield increase, root promotion, color transformation and preservation of plants is determined through systematic tests in multiple crops, multiple concentrations and multiple modes, the optimal application mode and application concentration of methylcarboline acid on different crops are determined, the optimal combination of methylcarboline acid and one or more of sodium molybdate, 5-aminoacetylpropionic acid, abscisic acid, polyglutamic acid and alginic acid and the application mode are screened, and the synergistic effect of the composition in growth promotion, color transformation, root promotion, yield increase and quality improvement is verified.

The present invention discloses a method for packaging cut meat for freshness preservation. The packaging method for cut meat for freshness preservation according to the present invention is a packaging method for cut meat for freshness preservation, comprising: (a) cold A step of forming a coating film having a thickness of 0.01 to 0.2 mm by applying a natural polymer compound, composed of one or more of agar, gelatin, cellulose, starch, and protein, to the surface of the cut meat; (b) the above It consists of a packaging step for packaging cut meat with a coating film formed thereon. The packaging method for cutting meat for freshness preservation according to the present invention, configured as described above, applies agar to the surface of the cut meat, Form a coating film by applying natural polymer compounds such as gelatin, alginic acid, starch, other polysaccharides, starch, and cellulose. It lowers the production of basic nitrogen by blocking the cell membranes on the surface of the meat from the outside through simple process improvements, and at the same time, microorganisms It has the advantage of being able to suppress spoilage caused by water proliferation. In addition, natural polymer compounds can maintain freshness and suppress browning by blocking the cell membranes on the surface of the meat. Since this can guarantee excellent appearance and taste for meat products that prioritize sensory elements, it enhances marketability. Useful effects are expected. In addition, since it can be distributed and displayed in a state highly preferred by consumers, consumer satisfaction with the product can be further enhanced. It has an effect.

The application discloses a kind of alginate-based high-entropy metal oxides and preparation method and application thereof, belong to gas sensor material technical field.The application uses the high-entropy metal salt solution of at least five kinds of metal sources and alginate solution is mixed, and alginate-based high-entropy metal aerogel is prepared, and then carbon cloth is wrapped, and nanometer sheet-shaped alginate-based high-entropy metal oxide is obtained by using Joule heating method rapid heating.The material can be used for high-sensitivity detection of ethanol gas.The preparation method in the application is green, simple, fast, has good sensing response effect in ethanol gas detection, and the sensing material has good stability, can be recycled multiple times, and has good application prospect.

The present invention provides alginic acid derivatives represented by formula (I) and formula (II), and a novel crosslinked alginic acid obtained by carrying out a Huisgen reaction using an alginic acid derivative of formula (I) and an alginic acid derivative of formula (II). There are thereby provided novel alginic acid derivatives and a novel crosslinked alginic acid.

The present invention provides alginic acid derivatives represented by formula (I) and formula (II), and a novel crosslinked alginic acid obtained by carrying out a Huisgen reaction using an alginic acid derivative of formula (I) and an alginic acid derivative of formula (II). There are thereby provided novel alginic acid derivatives and a novel crosslinked alginic acid.

The present application relates to the technical field of wheat bio-organic foliar fertilizer, and discloses a wheat zinc-selenium bio-organic foliar fertilizer and a preparation method thereof, which comprises: 300-400 parts of fermentation substrate, 40-60 parts of zinc sulfate, 2-5 parts of sodium selenite, 15-25 parts of alginic acid extract, 80-120 parts of compound amino acid, 1-2 parts of potassium sorbate and 435-554 parts of water. The present application combines zinc-selenium nutrient fortification with the biological stimulation of alginic acid extract, compound amino acid and fermentation substrate. The alginic acid extract can promote the growth of wheat root system, improve the photosynthetic efficiency of leaves and enhance the drought resistance and disease resistance of wheat. The compound amino acid can be directly absorbed and utilized by wheat, supplement the raw materials for protein synthesis and improve the quality of grains. The organic matter and beneficial bacteria metabolites in the fermentation substrate can regulate the growth rhythm of wheat, promote nutrient transport, and achieve the effect of trinity of wheat nutrient fortification, stress resistance enhancement and yield increase.

This invention relates to the field of organic fertilizer manufacturing technology, specifically to a drought-resistant foliar fertilizer containing nano-zinc oxide for soybean cultivation and its preparation method. This invention overcomes the problems of rapid nutrient loss, low absorption efficiency, and easy cell damage in soybeans under drought stress. The raw materials for this invention include enzymatically hydrolyzed alginic acid, compound amino acids, sugar alcohol complexing agents, tea polyphenols, and a fulvic acid-tea polyphenol dual-modified carrier. By loading nano-zinc oxide inside a silica carrier and utilizing the interface dual cross-linking modification of tea polyphenols and fulvic acid, a "smart-gated" release system sensitive to water and osmotic pressure is constructed. Combined with the endogenous osmotic regulation of enzymatically hydrolyzed alginic oligosaccharides and L-proline, and the bio-interface adhesion and UV-resistant antioxidant properties of tea polyphenols, the drought resistance and water retention capacity of soybeans and the pod-setting rate can be significantly improved.

This invention relates to the field of golden apple snail control technology, and particularly to an environmentally friendly plant-derived slow-release granule formulation, its preparation method, and its application for golden apple snail control. The slow-release granule formulation comprises, from the inside out, a feeding-attracting core layer, a molluscicidal active layer, and an environmentally friendly coating layer. The feeding-attracting core layer is a plant-derived feeding matrix that can be ingested by golden apple snails and does not contain tea saponins; the molluscicidal active layer contains tea saponins-based molluscicidal active substances, plant essential oil synergists, and a carrier; the environmentally friendly coating layer is composed of alginate, modified starch, lignin, and / or chitosan, and is cross-linked with divalent metal ions or physically film-formed, allowing tea saponins to be released slowly within 24–96 hours under static water conditions at 25°C. The granule formulation of this invention has a release rate of 1–10 g / m³. 3 Under the appropriate application conditions, it can achieve highly efficient targeted killing of golden apple snails and significantly improve the safety for aquatic economic animals such as fish and shrimp, and is especially suitable for rice-fish integrated farming systems.

The present application relates to the field of biological medicine, and particularly relates to a colon-targeting adhesive microsphere, a preparation method and use thereof. The colon-targeting adhesive microsphere has a water-soluble drug loaded inside; and has a targeting modifier on the surface. The microsphere has the characteristics of high drug loading, high encapsulation rate and low burst release. The microsphere further includes a biocompatible polymer inside. The biocompatible polymer includes, but is not limited to, at least one of polylactic acid (PLA), polycaprolactone (PCL) and poly(lactic-co-glycolic acid) (PLGA). The targeting modifier includes alginic acid or a salt thereof; and the alginic acid salt is sodium alginate. The water-soluble drug includes a plant extract; and the plant extract is mulberry extract.

This invention belongs to the field of soil improvement and biochar utilization, and provides a growth substrate sphere based on a biochar-soil composite structure and its preparation method. This invention employs a quaternary composite design of fine soil particles, biochar, biochar-basalt core-shell composite particles, and alginate solids. A tannic acid-ferric chloride coordination composite layer connects the biochar core and the basalt shell layer. Then, calcium ion crosslinking of alginate solidifies all components into spheres. This achieves a balance between pressure resistance and abrasion resistance with air permeability and water retention, a balance between ion slow release and dimensional stability, and a balance between sphere processingability and service stability. It solves the triple contradictions of existing substrate materials between structural strength and pore connectivity, hydrophilic gel exchange function and dry / wet stability, and processing fluidity and interfacial bonding strength, and has broad application value in soil remediation and plant cultivation.

This invention relates to the field of functional pet food technology, specifically to a freeze-dried product of fucoidan-alginic acid oligosaccharide bicolor crystal spheres with an inner and outer partition structure and its preparation method. This invention achieves spatial distribution of different active ingredients by constructing a partition structure with a core region and an outer shell region, thereby ensuring structural stability while meeting the functional application requirements in pet food systems. The freeze-dried product is a crystal sphere particle with an inner and outer partition structure, comprising: a core region containing fucoidan and protein active ingredients; and an outer shell region covering the outside of the core region and containing alginate oligosaccharide; wherein: the crystal sphere particles are freeze-dried to form a porous structure; and the core region and outer shell region form a spatial partition structure.