805 results about "Microcrystalline cellulose" patented technology

The invention discloses an ovarian protection composition containing ergothioneine and a preparation method of the ovarian protection composition, and relates to the technical field of ovarian protection compositions. The ovary protection composition containing the ergothioneine is prepared from the following components in parts by mass: 0.1 to 0.5 part of the ergothioneine, 0.05 to 1 part of S-equol, 1 to 5 parts of reducing coenzyme Q10, 1 to 3 parts of vitamin E, 10 to 20 parts of chitosan oligosaccharide, 30 to 50 parts of microcrystalline cellulose, 3 to 8 parts of hydroxypropyl methyl cellulose, 0.5 to 2 parts of silicon dioxide and 0.5 to 2 parts of a stabilizer. By adopting the stabilizer, photooxidation and hydrolysis of sensitive components are inhibited through molecular action, and the long-term stability of the composition in a humid and hot environment is remarkably improved in combination with the physical barrier action of silicon dioxide. Through the antioxidant synergistic effect of the ergothioneine and the vitamin E, the hormone regulation effect of the S-equol and the energy metabolism improvement effect of the coenzyme Q10, a multi-layer ovarian function protection system is constructed, and the health state of ovaries is improved. Through a special process, the tablet can be rapidly disintegrated and slowly released in an intestinal targeted manner, burst release of active ingredients is avoided, and the absorption efficiency is improved.

A coating composition for a substrate, which includes: a microcrystalline cellulose composition, at least one silane, at least one acid catalyst, a liquid dispersion phase, and optionally at least one inorganic filler. Also, the use of this composition for the release coating of a substrate such as a paper surface or a metal surface. Finally, an article having at least one surface is coated with the coating composition.

The present invention provides a betahistine antioxidant tablet and a preparation method thereof, the betahistine antioxidant tablet comprises: a first zone comprising anhydrous citric acid, microcrystalline cellulose and hydroxypropyl methylcellulose; the middle buffer area is a sodium alginate aqueous solution coating; a second zone including calcium carbonate, betahistine, and microcrystalline cellulose; the first zone is located at the top of the tablet, the second zone is located at the bottom, and the buffer zone physically isolates the first zone from the second zone. The first zone, the buffer zone and the second zone are designed to form a sandwich structure, oxidation resistance is realized through dual mechanisms of physical isolation and chemical neutralization, and CO2 generated by reaction of food-grade citric acid and calcium carbonate is used for physically replacing oxygen.

The invention discloses a preparation method of flexible hydrogel and application of the flexible hydrogel in a pressure sensor, and belongs to the field of flexible sensors. According to the hydrogel disclosed by the invention, polyvinyl alcohol and regenerated cellulose are used as a hydrogel skeleton, and carboxylated carbon black is doped as a conducting medium. The preparation method comprises the following steps: carrying out carbonization treatment on microcrystalline cellulose in a tubular furnace at high temperature to obtain high-conductivity carbon black; then, functional groups are introduced into the carbon black through modification treatment; the method comprises the following steps: dissolving paper pulp in N-methylmorpholine-N-oxide (NMMO), and carrying out cooling, solidification, dialysis and other process treatments to obtain regenerated cellulose; the flexible conductive hydrogel is obtained by adding conductive carbon black and regenerated cellulose into a PVA solution with a certain concentration and introducing sodium tetraborate at the same time. The regenerated cellulose in the hydrogel is rich in a large number of hydrogen bonds, and the flexibility and the self-healing performance of the hydrogel are remarkably improved through the interaction among the hydrogen bonds. The method disclosed by the invention is simple to operate, the prepared hydrogel has better elasticity, self-healing property and conductivity, and the practical application of the hydrogel in the field of flexible sensors is widened.

The invention relates to the technical field of pharmaceutical preparations, in particular to a preparation process of carbon dots for killing helicobacter pylori and application of the carbon dots in oral pharmaceutical preparations. The preparation method comprises the following steps: mixing microcrystalline cellulose and glycerol, freezing and crushing at an ultralow temperature, and selectively hydrolyzing by combining citric acid-malic acid mixed acid liquor to efficiently prepare a high-crystallinity cellulose nanocrystal template; the controllable synthesis of the carbon dots is realized by utilizing the hydrogen-bond interaction of hydroxyl / carboxyl on the surface of the cellulose nanocrystal and the nitrogen doping effect in the polymerization and carbonization process of citric acid and urea. Besides, when a sodium alginate-chitosan double-layer structure is constructed, carbon dots are introduced into the inner layer to endow the inner layer with special performance, a protein-polysaccharide network is formed on the outer layer through transglutaminase enzymatic crosslinking, and the oxidation resistance and mechanical strength are enhanced through secondary curing of tea polyphenol. According to the invention, food-grade raw materials are used for realizing high-efficiency antibiosis, the oral preparation safety specification is met, and the clinical transformation potential is realized.

The invention relates to the field of aquatic feed, and provides a low-temperature adhesive type aquatic feed particle composition and a preparation method thereof. The composition is composed of puffed soybean meal, flour, fish meal, low-temperature directed enzyme, microcrystalline cellulose, modified zein nanoparticles, a protein adhesive and a modified zein ethanol water solution. The preparation method comprises the following specific steps: reacting soybean protein isolate with cross-linking enzyme to generate a protein adhesive, reacting proanthocyanidins with gallic acid to generate gallic acylated proanthocyanidins, and carrying out multi-step treatment on zein. Experimental results show that the composition has excellent water resistance and oxidation resistance, and the growth efficiency and the survival rate of aquatic animals are remarkably improved. The preparation method is simple, the cost is low, heat-sensitive substances in the feed are not damaged, and an economical, efficient and nutrient-rich feed solution is provided for aquaculture.

The invention relates to a cyclodextrin composition capable of improving the dissolving property of a medicine and a preparation method of the cyclodextrin composition. The cyclodextrin composition capable of improving the dissolving property of the medicine comprises the following components in parts by mass: 15-30 parts of cyclodextrin, 5-15 parts of microcrystalline cellulose, 5-20 parts of modified calcium carbonate, 1-3 parts of silicon dioxide, 1-2 parts of salt and 1-5 parts of an auxiliary agent, wherein the modified calcium carbonate is obtained by reacting cyclodextrin, organic acid, a hydrophilic high-molecular polymer and calcium carbonate. According to the invention, cyclodextrin and microcrystalline cellulose are adopted as main bodies and are compounded with modified calcium carbonate and other components, so that the cyclodextrin composition capable of improving the drug solubility is obtained, the dissolvability of the product is remarkably improved, a better release effect is achieved, the defects in the prior art are overcome, and the cyclodextrin composition has important significance on development and popularization of the cyclodextrin composition product and has wide application prospects. The application prospect is good.

The invention relates to the technical field of pharmaceutical preparations, and provides an oral solid preparation for treating gout and a preparation method thereof. The preparation method comprises the following steps: sieving a filling agent, a disintegrating agent, an adhesive and dotenorad to obtain a sieved material; and mixing the sieved material and a lubricant, and tabletting to obtain the oral solid preparation for treating gout, the filling agent is lactose, mannitol and microcrystalline cellulose. By optimizing the prescription and the preparation process, the dissolution rate and bioavailability of the medicine are improved, so that the curative effect is improved; by selecting proper auxiliary materials and preparation types, the stimulation to gastrointestinal tracts is reduced, and the tolerance of patients is improved; the oral solid preparation is convenient to take, accurate in dosage, high in patient compliance and beneficial to long-term treatment; moreover, the preparation method provided by the invention is simple to operate, easy for industrial production and relatively low in cost.

The invention discloses a degradable nanocellulose sustained-release drug-loaded film and a preparation method thereof, and belongs to the technical field of drug functional materials. The preparation method comprises the following steps: mixing and stirring microcrystalline cellulose and 64wt% sulfuric acid solution, centrifuging, dialyzing to be neutral, and freeze-drying to obtain CNCs; cNCs, NaIO4 and water are mixed and then subjected to a light-shielding reaction, ethanol precipitation is added, dialysis purification is conducted, freeze drying is conducted, and formylation modified CNCs are obtained; mixing and stirring the aldehyde modified CNCs, sericin, polyvinyl alcohol, water and a target drug to obtain a core layer solution; dissolving a polylactic acid-glycolic acid copolymer into a mixed solution of chloroform and DMF (Dimethyl Formamide) to obtain a shell solution; the core layer solution and the shell layer solution are subjected to coaxial electrostatic spinning forming to obtain the drug-loaded fiber, then the drug-loaded fiber is subjected to biomimetic mineralization surface modification to obtain the degradable nanocellulose sustained-release drug-loaded film, the drug loading rate is increased, the mechanical property of the drug-loaded film is improved, and the sustained-release and release-controllable effects are achieved.

The invention discloses a hangover alleviating and liver protecting composition, which is prepared from the following components in parts by mass: 5 to 20 parts of radix puerariae extract, 5 to 20 parts of semen hoveniae extract, 5 to 20 parts of silybum marianum extract, 1 to 20 parts of rhizoma curcumae longae extract, 1 to 20 parts of rhizoma gastrodiae extract, 1 to 10 parts of lucid ganoderma extract, 1 to 20 parts of folium cortex eucommiae extract, 1 to 10 parts of fructus corni extract and 1 to 30 parts of corn oligopeptide powder. 1-50 parts of maltodextrin, 1-10 parts of microcrystalline cellulose, 1-2 parts of silicon dioxide and 1-2 parts of magnesium stearate. The total alcoholism-relieving and liver-protecting composition has the following beneficial effects: for acute drunkenness, the discomfort of drunkenness is obviously reduced, the chronic injury of alcohol to the liver is reduced, the systematic effect from alcohol metabolism to organ protection is realized through multi-target regulation and control, and the three-in-one effect of relieving alcoholism, protecting cells and regulating metabolism is achieved. The invention also discloses a preparation method of the alcohol effect dispelling and liver protecting composition.

The invention discloses a composition containing a honeysuckle extract, a tablet and a production method thereof, and belongs to the technical field of medicines.The preparation method comprises the steps that pseudo-ginseng, honeysuckle and radix isatidis are dried and ground into powder, a hydrogel film coating with an environmental response function is prepared, and the hydrogel film coating has porosity and environmental tolerance, can improve the slow release performance of a medicine, and has a good application prospect. The active ingredient preservation time of the medicine is protected, and the medicine effect is prolonged; according to the hydrogel film coating, natural plant-derived polysaccharide and microcrystalline cellulose with excellent biocompatibility are used as raw materials, the raw materials are subjected to swelling treatment and then grafted with a polyethylene glycol-maleic anhydride copolymer, then an iron metal framework sensitive to the pH value is subjected to hydrothermal synthesis on the surface, the iron metal framework serves as a crosslinking center, a hydrogel film structure is generated through crosslinking to serve as the coating, and the hydrogel film coating is prepared. Therefore, the permeation resistance and mechanical strength of the coating are balanced, the swelling rate difference is avoided, the structural stability of the coating is guaranteed, and the tablet prepared from the coating can be used for treating cold and has a good drug effect.

The invention discloses a plasmin lumbrukinase peptide dietary therapy formula suitable for rehabilitation of cardiovascular and cerebrovascular diseases, blood circulation promoting, blood stasis removing, thrombolysis, collateral dredging and microcirculation improving, and relates to the technical field of medicine and food homology dietary therapy. Soybean protein isolate and earthworm protein are used as core thrombolytic active raw materials, isomaltooligosacharide, xylitol, German Jilida collagen peptide, soybean peptide powder, Belgian imported inulin, red yeast rice and natto powder are compounded, microcrystalline cellulose and magnesium stearate are used as auxiliary materials, and probiotics / metabiotics strains such as rhamnolactobacilli JYLR-005 and the like can be selectively added. The raw materials have a synergistic effect through precise matching, plasmin and lumbrukinase peptide in earthworm protein can directly dissolve thrombus fibrin, natto powder and red yeast rice assist in lowering lipid and dissolving thrombus, multiple active peptides and prebiotics regulate intestinal microecology to improve microcirculation of the whole body, probiotics / metabiotics further strengthen the metabolic capacity of the body, no chemical medicine is added in the whole process, and the traditional Chinese medicine composition is free of toxic and side effects and free of toxic and side effects. The safety is high; the dietary therapy composition can achieve postoperative rehabilitation conditioning of cardiovascular and cerebrovascular diseases through daily consumption, effectively promote blood circulation to remove blood stasis, dissolve thrombus and dredge collaterals, improve microcirculation and relieve various discomfort caused by blood vessel clogging, raw materials are easy to obtain, compatibility is scientific, and the dietary therapy composition is suitable for large-scale production and popularization.

The invention relates to the field of konjak food, provides konjak gel food as well as a preparation method and application thereof, and aims to solve the problems of poor stability, insufficient brittleness and poor antibacterial property of existing konjak gel food. According to the gel food, phosphorylated konjac glucomannan serves as a main body, chitosan / microcrystalline cellulose composite filler, carrageenan, sodium alginate, calcium salt, citrate and other auxiliary materials are added, a multi-cross-linked network structure is constructed through the synergistic effect of multiple components, and the stability and mechanical performance of gel are remarkably enhanced. In the preparation process, a temperature gradient control strategy is adopted, and ordered construction and layer-by-layer curing of a gel network are achieved. The obtained product has high gel strength, excellent brittleness, low bleeding rate and excellent antibacterial performance, can be widely applied to functional food simulating the mouth feel of animal cartilage, and has good storage stability and sensory quality.

The invention belongs to the field of modification of degradable fat polycarbonate materials, and particularly relates to a PCHC / PPC composite material and a preparation method thereof. A PCHC matrix material is added into PPC for blending modification, a PCHC / PPC blended matrix material is obtained, hydrophobic microcrystalline cellulose is further added, and the PCHC / PPC composite material is obtained. The invention aims to break through the limitation of an existing degradable material in specific application, the performance of a polypropylene carbonate PPC material is better improved through a layer-by-layer progressive optimization strategy, and a novel polycarbonate composite material is obtained, so that the thermal stability and the mechanical property of the material are improved, and wider application requirements are met.

The invention discloses a composite plant polypeptide composition with the effects of repairing pancreas and reducing blood sugar. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10 to 50 parts of ginsenoside, 5 to 30 parts of radix astragali seu hedysari extract, 3 to 20 parts of radix rehmanniae polysaccharide, 2 to 15 parts of radix trichosanthis alkaloid, 5 to 25 parts of rhizoma dioscoreae polysaccharide, 5 to 30 parts of bitter gourd polypeptide, 3 to 20 parts of folium mori alkaloid, 8 to 40 parts of rhizoma polygonati polysaccharide, 5 to 25 parts of fructus hippophae flavone, 10 to 35 parts of wheat germ peptide, 2 to 15 parts of coptis berberine, 10 to 45 parts of corn stigma polysaccharide and 3 to 20 parts of saussurea involucrata polyphenol. 1-10 parts of sophora flavescens total alkaloids, 5-25 parts of a dendrobium extract, 5-30 parts of a radix puerariae extract, 8-35 parts of L-arabinose and 10-40 parts of small molecule peptides; 20 to 100 parts of collagen peptide and 15 to 80 parts of albumin peptide; 5-50 parts of microcrystalline cellulose, 3-30 parts of fructo-oligosaccharide and 0.5-5 parts of magnesium stearate; the limitation of single sugar control or simple component mixing in the prior art is broken through, a synergistic system of plant active components and functional polypeptides is constructed, and the purity and retention rate of the plant active components are improved by optimizing the extraction process.

The invention belongs to the technical field of energy storage materials, and particularly discloses preparation and application of a high-performance asphalt-based porous carbon material. The method comprises the following steps: pre-treating asphalt; carrying out hydrothermal synthesis on microcrystalline cellulose and phytic acid to obtain cellulose ester; the preparation method comprises the following steps: compounding humic acid, hectorite powder and cellulose ester, and freeze-drying to obtain a compound additive; carrying out microwave-hydrothermal reaction on the pretreated asphalt and a compound additive to form a precursor; and activating the precursor, carbonate and phosphate in a multi-section gradient atmosphere, and finally washing and drying to obtain the porous carbon material. According to the method, strong base etching is replaced by synergistic pore-forming and atmosphere activation of the composite additive, so that green controllable pore expansion and uniform doping of heteroatoms are realized; and a graded pore channel structure is accurately constructed through multi-section carbonization. The obtained material has a three-dimensional interpenetrating network, a high specific surface area and excellent conductivity, can effectively buffer ion embedding stress, remarkably improve electrochemical stability and inhibit volume expansion, and is suitable for lithium and sodium ion battery negative electrodes and supercapacitor electrodes.

The invention relates to the technical field of ignition head preparation, in particular to an ignition head for a smoke agent and a preparation process of the ignition head. The invention discloses a preparation process of an ignition head for a smoke agent. The preparation process comprises the following steps: preparing aluminum chloride intercalated expanded graphite, preparing an antistatic hydrophobic coating, preparing a modified starch adhesive and preparing the ignition head for the smoke agent. The preparation method comprises the following steps: firstly, heating microcrystalline cellulose in dilute sulphuric acid for hydrolysis, then carrying out ultrasonication to prepare a nanocellulose suspension, then adding the nanocellulose suspension into a zein solution, fully and uniformly mixing, and forming a primary composite network through hydrogen bond and hydrophobic interaction; the preparation method comprises the following steps: firstly, adding octadecyl methacrylate and azodiisobutyronitrile to carry out a copolymerization reaction, then adding citric acid to carry out a reaction to form a three-dimensional cross-linked network, mixing the three-dimensional cross-linked network with aluminum chloride intercalated expanded graphite and carbon nanotubes to prepare a coating, and uniformly coating the surface of the ignition head to form a coating, so that the moisture resistance of the ignition head can be effectively improved.

The invention discloses an acid and alkali resistant fiber and a preparation method thereof, and relates to the field of fiber fabrics. When the acid and alkali resistant fiber is prepared, dimethyl terephthalate, polyethylene glycol-2000, ethylene glycol, 1, 3-bis (3-hydroxypropyl)-1, 1, 3, 3-tetramethyldisiloxane and diethyl phosphite are polymerized and then react with 4-vinyl benzoyl chloride and 2-mercaptobenzothiazole in sequence, and modified polyester is prepared; the preparation method comprises the following steps: sequentially reacting microcrystalline cellulose with 3-(chloromethyl)-2-hydroxybenzaldehyde, 4-allylthiosemicarbazide and copper chloride to prepare modified cellulose; the modified cellulose and the modified polyester are mixed and subjected to melt spinning, then perfluoroethylene is used for after-finishing, and the acid and alkali resistant fiber is prepared. The acid and alkali resistant fiber prepared by the invention has durable, flame-retardant and antibacterial capabilities.

The invention discloses traditional Chinese medicine suspension eye drops and a preparation method thereof, and the traditional Chinese medicine suspension eye drops are prepared from the following raw materials in parts by weight: 1-3 parts of a traditional Chinese medicine composition, 4-7 parts of hydroxypropyl-beta-cyclodextrin, 0.5-2 parts of microcrystalline cellulose-sodium carboxymethyl cellulose and auxiliary materials. The traditional Chinese medicine suspension eye drops provided by the invention abandon a traditional eye ointment form, are directly dropped for use, are convenient to use, have good stability and dispersity, and are excellent in use curative effect and medication experience; on the basis of keeping the clinical efficacy of the Marcher eight-treasure ancient prescription, secondary development and research are scientifically carried out, so that the Marcher eight-treasure ancient prescription plays a greater clinical treatment role, and has a wider market development prospect.

The invention relates to the field of veterinary drugs, in particular to a veterinary GS-441524 tablet and a preparation method thereof. In the application, the GS-441524 raw material medicine, the filling agent, the disintegrating agent, the lubricating agent and the stabilizing agent are used as raw materials, the combination of mannitol and microcrystalline cellulose is selected as the filling agent, and coating is performed, so that the novel veterinary GS-441524 tablet is prepared, the medicine loss caused by thermal decomposition of API in the tabletting process is reduced, and the uniformity and the stability of the medicine in the tablet are improved.

The invention relates to the technical field of termite trapping and killing, and particularly discloses an environment-friendly termite trapping and killing strip and a preparation method thereof. The environment-friendly termite trapping and killing strip is prepared from microcrystalline cellulose, sodium carboxymethyl cellulose, potassium sorbate, pine sawdust, tapioca flour, xanthan gum and killing microcapsules. The killing microcapsule comprises a capsule wall and a capsule core, wherein the capsule core is prepared from the following raw materials: triflumuron, diflubenzuron, ammonium chloride, petroleum ether and sodium dodecyl benzene sulfonate; the capsule wall is prepared from the following raw materials: modified chitosan, sodium alginate, modified corn straw powder, Arabic gum and a sugarcane extract. According to the environment-friendly termite trapping and killing strip, all the components are matched, the excellent insecticidal effect is achieved, the pesticide can be slowly released through the killing microcapsules, the insecticidal time is prolonged, and the prepared trapping and killing strip can kill insects for a long time.

The invention relates to the technical field of functional nutritious food, in particular to multi-layer skin nutrition powder with a whole-spectrum skin growth and repair promoting effect and a preparation method and application thereof, the core of the multi-layer skin nutrition powder is composed of a collagen peptide system (60-62%), a proteoglycan system (20-22%) and the like, collagen peptide is compounded with three sources of cattle, fish and chicken, and the multi-layer skin nutrition powder has the advantages that the multi-layer skin nutrition powder is prepared; according to the present invention, with the combination of the following components, the skin structure and activity are jointly promoted by using the synergistic effect of the functional polypeptide compound (2.5-3.5%) and the plant active component (3.5-4.5%) rich in asiaticoside and procyanidine, and the nutrition enhancers (4-5%) such as L-ascorbic acid and amino acid chelated zinc and the food-grade auxiliary materials (8-10%) such as microcrystalline cellulose are integrated in the formula, such that the various systems achieve the synergistic effect so as to achieve the effect of nourishing the skin; through the synergistic compatibility of the three-source collagen peptide, the comprehensive supplement of various types of collagen in skin tissues is realized.

The invention provides a sulfonyl cellulose-based solid electrolyte as well as a preparation method and application thereof. The preparation method of the solid electrolyte comprises the following steps: fully dispersing microcrystalline cellulose and lithium salt in an organic solvent to obtain a cellulose solution; adding triethylamine and toluenesulfonyl chloride, reacting, and then separating and purifying to obtain sulfonyl cellulose; the preparation method comprises the following steps: dissolving sulfonyl cellulose in dimethyl sulfoxide, adding lithium salt, and fully mixing and uniformly dispersing to obtain a solid electrolyte precursor solution; and drying to obtain the product. The preparation method is simple, conditions are mild, the yield is high, and large-scale preparation can be achieved; and the cellulose is low in cost, rich in natural resources, environment-friendly and more suitable for industrial production. The sulfonyl-modified cellulose is applied to preparation of the solid electrolyte, the obtained sulfonyl-cellulose-based solid electrolyte has high ionic conductivity and excellent interface contact and adhesion effects, and the overall performance, including cycling stability and coulombic efficiency, of a lithium battery is improved.

The invention relates to the technical field of polypropylene materials, in particular to wear-resistant modified polypropylene plastic for a turnover box and a preparation method of the wear-resistant modified polypropylene plastic. The wear-resistant modified polypropylene plastic for the turnover box comprises the following raw materials in parts by weight: 70-80 parts of polypropylene, 3-8 parts of polypropylene-g-maleic anhydride, 1-3 parts of a lubricant, 10-15 parts of modified talcum powder, 4-8 parts of titanium dioxide, 5-10 parts of microcrystalline cellulose and 0.5-2.0 parts of an epoxidized ultraviolet light absorber. The polypropylene, the polypropylene-g-maleic anhydride, the lubricant, the modified talcum powder, the titanium dioxide, the microcrystalline cellulose and the epoxidized ultraviolet light absorber are compounded to prepare the wear-resistant modified polypropylene plastic, and the wear-resistant modified polypropylene plastic not only has excellent mechanical properties, but also has excellent aging resistance and antibacterial property, so that the service life of the wear-resistant modified polypropylene plastic is prolonged.

The invention belongs to the field of medicines, and relates to a perindopril amlodipine solid preparation as well as a preparation method and application thereof. In the prior art, when an in-vitro dissolution behavior of an imitated medicine of perindopril and amlodipine tablets is investigated, it is found that the release behaviors of the perindopril and amlodipine tablets are difficult to keep consistent with those of an original developed preparation at the same time, so that the safety and effectiveness of the imitated medicine are not guaranteed. A large number of experiments find that the particle size distribution and the water content of the microcrystalline cellulose are controlled, so that the in-vitro dissolution curve of the perindopril amlodipine solid preparation is similar to that of an imported original development agent produced by an original research company, the possibility of bioequivalence with the original development agent is improved, and the drug consistency evaluation requirement is met.

The invention relates to an anti-aging capsule compounded by PQQ and mitochondrial nutrients, and discloses an anti-aging capsule which is prepared by synergistically compounding a plurality of mitochondrial nutrients according to a scientific proportion and supplementing high-purity raw materials and slow-release dosage forms to realize energy metabolism activation and anti-oxidation synergistic intervention. Therefore, the anti-aging capsule systematically delays aging through multi-target regulation and control of mitochondrial functions. The capsule is characterized by comprising the following components in parts by weight: 1-20 mg of pyrroloquinoline quinone disodium salt (PQQ), 20-100 mg of coenzyme Q10, 50-200 mg of L-carnitine tartrate, 10-100 mg of alpha-lipoic acid, 50-300 mg of nicotinamide mononucleotide (NMN) or nicotinamide nucleoside (NR), and 10-50 [mu] g of selenoprotein or organic selenium yeast, and a capsule carrier comprises 100 mg of gelatin or a plant-derived capsule shell, 180 mg of microcrystalline cellulose, 5 mg of magnesium stearate and 5 mg of silicon dioxide.

The invention relates to the technical field of self-leveling, and particularly discloses high-density gypsum-based self-leveling mortar and a preparation method thereof, the high-density gypsum-based self-leveling mortar comprises building gypsum, modified heavy calcium powder, quartz sand, modified silica powder, Portland cement and a plurality of additives, the modified heavy calcium powder is activated by a silane coupling agent and is subjected to composite coating modification by sodium alginate-microcrystalline cellulose, the modified silica powder is activated by a silane coupling agent and is subjected to coating modification by chitosan, and the preparation method comprises the following steps: S1, preparing the chitosan-coated modified silica powder; s2, preparing sodium alginate-microcrystalline cellulose composite coated modified heavy calcium powder; s3, uniformly mixing all the dry materials, adding the mixed admixture and water, and stirring to prepare mortar; according to the self-leveling mortar disclosed by the invention, pores are filled in a self-adaptive manner through the characteristic that the surface coating layers of the modified heavy calcium powder and the modified silica powder absorb water and swell, a stable high-molecular reinforced framework is formed after drying, and the high-molecular reinforced framework and mortar components generate a synergistic effect, so that the compactness of the self-leveling mortar is effectively improved.

The preparation method of the environment-friendly anti-aging packaging base paper comprises the following steps: taking softwood pulp and dissolving pulp, pulping for the first time, adding microcrystalline cellulose, and stirring to form first pulp; adjusting the pH value of the first slurry to be neutral, adding a water-soluble chitosan-polyphenol compound, and pulping for the second time to form second slurry; adding oxidized sodium alginate into the second pulp, and pulping for the third time to form third pulp; forming raw paper according to a papermaking process; the invention further provides packaging base paper which has the characteristic of good anti-aging performance. Softwood pulp and dissolving pulp are used as papermaking raw materials, microcrystalline cellulose, a water-soluble chitosan-polyphenol compound and oxidized sodium alginate are used, a pulping process which is sequentially added according to a sequence is formed, a stable fiber network is constructed layer by layer, and a mechanism of skeleton supporting, covalent crosslinking and antioxidant end capping is formed. The anti-aging performance of the raw paper is improved.

The invention discloses a mollusk attractant as well as a preparation method and application thereof in snail prevention and control, and belongs to the technical field of biopesticides, temperature-responsive microcrystalline cellulose particles are used as a main component of a coating premix, and an attractant base material containing active components, essence, amino acid, molasses and flour is coated, so that the mollusk attractant is obtained. The attractant has temperature responsiveness and can meet the field temperature of snails in spring and autumn high-incidence periods in agricultural production, the essence and the molasses are main components with an inducing function, snails can be better trapped, and the snails are not prone to loss due to the influence of the complex environment in a farmland; the temperature-responsive microcrystalline cellulose particles disclosed by the invention have amphipathy, the hydrophilicity can realize rapid spreading of the attractant in a farmland, and the hydrophobicity can realize that the attractant is not easily washed by water flow and rainwater in the farmland, so that the service life of the attractant is prolonged.

The invention discloses a full-biodegradable bamboo fiber film material and a preparation method thereof. The full-biodegradable bamboo fiber film material is composed of a bamboo fiber composite matrix, a biodegradable reinforcing system and a multifunctional cross-linking agent. The bamboo fiber composite matrix is a mixture of bamboo pulp fiber pretreated by supercritical CO2 and microcrystalline cellulose; the biodegradation enhancing system is composed of nano calcium carbonate-montmorillonite composite particles and a polylactic acid-glycolic acid copolymer, and the composite particles are modified by a silane coupling agent; the multifunctional cross-linking agent is an esterification product of citric acid and glycerol. The preparation method comprises the steps of bamboo fiber supercritical pretreatment, composite reinforced particle preparation, melt extrusion, two-way stretching, gradient heat setting and the like, and finally the antibacterial surface layer is formed through chitosan surface treatment. The material realizes the balance of biodegradability and mechanical properties through raw material synergy and process optimization, and is suitable for the fields of packaging, agricultural coverage and the like.