71 results about "Aloe vera" patented technology

The invention provides mint hydrogel for diminishing inflammation and relieving itching and a preparation method thereof. The hydrogel is prepared from 10 to 30 parts of herba menthae extract, 5 to 15 parts of melaleuca alternifolia leaf water, 15 to 25 parts of aloe vera gel, 8 to 15 parts of glycerol, 2 to 6 parts of essential oil compound, 1 to 4 parts of sweet-scented osmanthus extract, 1 to 5 parts of artemisia indica extract, 0.1 to 0.5 part of cross-linking agent, sucrose stearate, sorbic anhydride olivic acid, p-hydroxyacetophenone and the like. The essential oil compound is subjected to beta-cyclodextrin / sodium alginate double-embedding treatment, and the cross-linking agent is chitosan grafted hyaluronic acid. The preparation process comprises the steps of composite water phase preparation, essential oil activation, gradient mixing of extracts, cross-linking reaction, high-pressure homogenization, gradient photocuring and the like. Tests show that the maximum anti-inflammatory swelling inhibition rate of the hydrogel reaches 68.9%, the maximum itching relieving rate of the hydrogel reaches 80.6%, the anti-inflammatory and itching relieving effects can be effectively achieved, and the performance of the hydrogel is improved through the cooperation of all the raw materials and the technology.

This invention relates to a DNA-coated current collector, its preparation method, and its application, belonging to the field of lithium battery technology. The method for preparing the DNA-coated current collector provided by this invention includes the following steps: (1) taking aloe vera gel tissue, adding it to SDS buffer for lysis to obtain a lysate, then adding NaCl solution for treatment, and filtering to obtain a filtrate; (2) adding an organic solvent to the filtrate for precipitation, separating the solid and liquid to obtain an active substance containing DNA, and preparing a solution containing DNA; (3) covering the surface of a silver foil with the DNA-containing solution, allowing it to stand, and then drying to form a coating layer, thus obtaining a DNA-coated current collector. This invention uses aloe vera-extracted DNA to coat a silver current collector, which has strong interfacial bonding and can effectively inhibit lithium dendrite growth, improve the cycle stability of lithium batteries, and enhance battery life.

The invention relates to a microbial single-cell gelation encapsulation method based on aloe gel and application, the method realizes single-cell gelation encapsulation through electrostatic interaction of sterile aloe gel and intestinal anaerobic bacteria (such as Agathobacter rectasis), and the method comprises the specific steps of aloe gel preparation, bacterial suspension culture and oscillation mixing to form a stable structure. The preparation method has the advantages that the acid resistance and biocompatibility of the natural aloe gel are utilized to replace a traditional synthetic material, so that the gastrointestinal tolerance of thalli is improved; meanwhile, the synergistic effect of aloe active ingredients (such as aloe-emodin) and intestinal bacterial metabolites (butyric acid) is combined, so that the anti-inflammatory and intestinal steady-state regulation and control effects are enhanced. Experiments show that the survival rate of the encapsulated bacteria in simulated gastric juice within 4 hours is larger than or equal to 90%, the intestinal colonization rate is effectively increased compared with naked bacteria, the inflammatory factor level of a colitis model mouse can be remarkably reduced, and a safe and efficient new strategy is provided for micro-ecological treatment of inflammatory bowel diseases.

The present invention relates to a nasal ointment comprising hyaluronic acid, dexpanthenol and an aloe vera extract. The present invention also relates to the use of hyaluronic acid, dexpanthenol and an aloe vera extract for manufacturing an agent used in various medical procedures. The invention also relates to a method for the preparation of said nasal ointment.

The invention relates to the technical field of skin care products, in particular to an anti-inflammatory repairing skin care compound and a preparation method thereof. The anti-inflammatory repairing skin care compound is prepared from the following components in percentage by mass: 10 to 15 percent of ganoderma lucidum extract, 5 to 10 percent of ginseng extract, 2 to 3 percent of radix angelicae powder, 3 to 5 percent of aloe vera gel, 5 to 8 percent of 4D hyaluronic acid, 8 to 12 percent of glycerol, 0.2 to 0.5 percent of p-hydroxyacetophenone, 2 to 3 percent of palmitoyl tetrapeptide-7, 0.5 to 1.2 percent of allantoin, 0.5 to 1 percent of bisabolol, 2 to 4 percent of asiaticoside and 3 to 5 percent of functional additive, 1-2% of an antioxidant, 1-2% of a thickening agent, 0.5-1% of an emulsifier, 0.2-0.5% of a chelating agent and the balance of deionized water; the anti-inflammatory repair skin care compound prepared by the invention not only has excellent anti-inflammatory soothing and moisturizing effects, but also has good repair and anti-oxidation effects on the skin, so that the skin aging speed is delayed to a certain extent, and the product quality is effectively ensured.

The utility model relates to the field of fixation devices, in particular to a quick aloe fixation device based on electromagnetic induction heating, which comprises a base, a heating cylinder is fixedly mounted at the upper end of the base, a rotating groove is formed in the side wall of the heating cylinder in a penetrating manner, a heating coil mounting groove is formed in the arc wall of the rotating groove, and a heating coil is fixedly mounted in the heating coil mounting groove. The device further comprises a fixation cylinder. According to the utility model, the aloe is put into the fixation groove from the feeding end of the fixation cylinder, so that the heating time is prolonged, the friction resistance between the aloe and the side wall of the fixation groove is reduced through the conical structure of the fixation groove, the aloe blades are guided to move towards the discharging hole, and the blockage caused by stacking of the aloe blades is avoided; the vortex heating area extends from the surface of the fixation barrel to the inside through the communicating holes, aloe leaves are heated more directly, the temperature rising speed is increased, meanwhile, high-temperature air in the heating coil mounting grooves penetrates through the inner wall of the roller, forced convection heat exchange is formed, hot air makes direct contact with the aloe leaves, and the temperature distribution uniformity is improved.

This application relates to the field of antioxidant skincare products, specifically an astaxanthin essence with natural antioxidant effects and its preparation method. An astaxanthin essence with natural antioxidant effects comprises: an aqueous phase: 15%-30% natural plant extracts, 3%-8% moisturizers, 0.3%-1.5% thickeners, and preservatives; an oil phase: 5%-14% plant oils, 1%-4% lecithin, 0.5%-2% rosemary extract, and 0.3%-1.5% green tea extract; 0.8%-4% astaxanthin liposomes; gum arabic; a pH adjuster; and water; wherein the natural plant extracts include aloe vera juice and cucumber juice. This application aims to improve the stability and bioavailability of astaxanthin and enhance the antioxidant properties of the essence by using natural raw materials and innovative processes; while ensuring the product is natural and gentle, reducing skin irritation, and meeting consumers' demand for high-quality natural skincare products.

The invention discloses an oil-control shampoo and a preparation method thereof, the anti-hair-loss shampoo comprises the following main components: water, a detergent, a conditioner, a lubricant, a foaming agent, an acidic component and a preservative, the detergent is composed of Chinese honeylocust fruit, sasangua cake and tea seed powder, the conditioner is prepared from a loquat leaf extracting solution, a lalang grass rhizome extracting solution, a radix salviae miltiorrhizae extracting solution, a green tea extracting solution, a mint extracting solution and lavender essential oil, the lubricant is prepared from aloe vera gel and cold-pressed camellia oil, and the foaming agent is prepared from sodium cocoyl glutamate and a soapberry concentrated solution. The shampoo contains acidic components and natural components, the limitation that traditional oil control shampoo depends on alkaline components or chemical silicone oil is broken, scalp micro-ecology is regulated and controlled through an acidic environment and natural materials, excessive sebum secretion is reduced, meanwhile, greasy feeling caused by silicone oil residues is avoided, core innovation of oil control is achieved, and the shampoo is worthy of popularization and application. A preservative system adopts natural extracts, so that the sensitization risk of chemical preservatives is reduced.

The application discloses a preparation method of a cactus and orchid seed composite beverage and belongs to the technical field of health food processing. The method is designed according to a standardized industrial formula with cactus and orchid seed as core raw materials, and is matched with Dendrobium candidum, white granulated sugar, erythritol and other auxiliary materials. Pure oxygen-free water is used as a solvent throughout the process. A pH 3.5 stable buffer system is constructed by compounding sodium citrate and citric acid. The fine filtration after low-temperature centrifugation is replaced by industrial filtration with an 80-100 mesh filter screen. The finished product is prepared by combining the whole low-temperature treatment and HPP ultra-high pressure cold sterilization process. The oxygen-free pure water effectively avoids the oxidation loss of active ingredients, and the whole low-temperature and HPP process realizes the efficient retention of active ingredients such as cactus SOD, flavonoids and polysaccharides. Meanwhile, the problems of unstable pH, low industrial filtration efficiency and easy stratification and precipitation of the traditional cactus beverage are solved. The finished beverage has a refreshing taste, a sweet and sour coordination and strong stability.

A system for the production, characterization, and optimal selection of hybrid AA8011-B4C aloe vera ash composites, consisting of: a) a melting unit configured for melting aluminium alloy strips at 750 °C in a graphite crucible; b) a preheating unit configured to preheat reinforcements to 450 °C, wherein the reinforcements comprise boron carbide particles (B4C) with sizes in the range of 40-50 µm and aloe vera ash particles (AVA) with sizes in the range of 30-40 µm; c) a mechanical stirring unit configured to generate vortices and mix the reinforcements with the molten aluminum alloy matrix material at 300 rpm; d) a degassing unit configured to add 1 wt.% magnesium and 3 wt.% (C2Cl6) degassing agent to the molten composite material; e) a molding unit configured to pour the composite slurry into a preheated permanent mold; and f) a characterization unit configured to analyze the manufactured composite materials using SEM imaging and XRD testing equipment.

A soil fertilizer composition and method of production, the soil fertilizer composition comprising a mixture by weight of 92% to 99% marine biomineral clay and 1% to 8% dehydrated aloe vera, wherein the marine biomineral clay comprises illite, apatite, amphiboles, chlorite, albite, and quartz. The composition is typically disposed in a dry powder form suitable for soil application or reconstitution with water for spraying but may be in a solid or a pre-dissolved form for transportation, storage, or for ready application. The soil fertilizer composition may further comprise an organic substrate selected from the group of: peat moss, sawdust, compost, and combinations thereof. The soil fertilizer composition may include dehydrated aloe vera is a 100x concentrate with aloin content less than 1.0 ppm. The marine biomineral clay of the soil fertilizer composition may contain lanthanides configured to act as cofactors for enzymes involved in nutrient cycling and plant metabolic processes.

According to various embodiments, a glove is provided with improved hydration characteristics and low dermatitis potential. The glove comprises a substrate and a polymer system that coats a surface of the substrate. The polymer system comprises: a polyol, a botanical extract, an emollient agent, a silicone copolymer dispersion, a lubricant, and a surfactant. The substrate may be free of sulphur and accelerators. An example formulation of the polymer system may comprise glycerol, Aloe vera, a carnauba wax dispersion, dimethicone, a polyalkylene glycol (PAG), and polyoxyethylene (20) sorbitan monooleate. The polymer system may be applied to the\surface of the substrate by dipping the surface into a water-based dispersion of the polymer system, or spraying the water-based dispersion onto the interior surface. The polymer system may be blended into water at a total solids content of 0.8% to 1.2% w / w to form the water-based dispersion.

Cosmetic care composition for topical application to sensitive and inflamed skin, in particular for the relief of psoriasis symptoms or atopic dermatitis symptoms, comprising in weight percent: Manuka honey with a defined UMF ≥15+ or MGO ≥540 mg / kg in a concentration of at least 4% in combination with Aloe Vera juice concentrate in a concentration of at least 0.1%, Panthenol in a concentration of at least 3.0%, squalane in a concentration of at least 6.0%, Shea butter in a concentration of at least 4.0%, and hyaluronic acid in a concentration of at least 0.02%, at least one natural emulsifier and humectant, and a preservation system, and where the rest is water ad 100%.

The present utility model relates to a shaving cream composition comprising stearic acid, neem oil, aloe vera, coconut oil, pumpkin seed oil, liquid castile soap, and guava oil. The composition comprises 4.60 g stearic acid, 0.96 ml neem oil, 14.00 g aloe vera, 3.00 ml coconut oil, 3.84 ml pumpkin seed oil, 7.00 ml liquid castile soap, and 0.15 ml guava oil. The neem oil, pumpkin seed oil, and coconut oil are combined to form an oil phase into which the stearic acid is incorporated at about 70°C. The resulting oil phase is cooled and combined with separately mixed aloe vera and liquid castile soap. Guava oil is added during final blending to obtain a uniform, creamy, opaque shaving cream having a foam-type consistency. The composition provides emollient, hydrating, conditioning, cleansing, and lather-forming characteristics and is suitable for application to the skin during shaving while incorporating plant-derived oil components therein.

The invention relates to the technical field of nursing materials, in particular to preparation and application of hydrophilic PU bamboo charcoal dead sea salt self-cleaning bath sponge which is prepared by mixing and foaming a component A and a component B at a high speed. The material A is a water-based emulsified material and comprises the following components in parts by weight: 55-75 parts of water, 1-3 parts of a pore opening agent, 10-15 parts of a surfactant, 0.2-0.5 part of aloe essence, 5-8 parts of glycerol, 6-10 parts of a self-emulsifying agent, 6-8 parts of dead sea salt, 4-7 parts of bamboo charcoal powder and 0.1-0.3 part of nano silver ions; and the material B is hydrophilic polyurethane. A component A and a component B are mixed at a high speed according to a certain proportion through a double-component polyurethane foaming machine, foaming and drying are conducted, the surface of a product is smooth, the interior of the product is of a honeycomb structure, and rich foam can be released when the product is cleaned; the product has the characteristics that the product has a bath cleaning function, the bamboo charcoal / dead sea salt improves the skin surface, the product is easy to degrade after being abandoned, and the nano silver ions serving as the antibacterial agent are efficient and durable.

The utility model provides a tabletting device for producing eurotium cristatum chewable tablets, which comprises a main body, a middle mold is arranged on the main body, and an upper mold assembly and a lower mold assembly are respectively arranged on the main body corresponding to the upper part and the lower part of the middle mold. By means of the structure, when powder of eurotium cristatum chewable tablets is pressed, the powder can be extruded to form the eurotium cristatum chewable tablets under the cooperation of the lower die assembly, the supporting assembly and the upper die assembly, and then the upper die assembly, the supporting assembly and the lower die assembly are reversely driven to return to the original position, so that the eurotium cristatum chewable tablets are formed. And then an upper hydraulic cylinder of the upper mold assembly drives an upper pressing plate and a tablet pressing head to move towards the forming cavity so as to push the eurotium cristatum chewable tablets in the forming cavity downwards, so that downward demolding can be avoided, the chewable tablets can be taken out conveniently, damage to the chewable tablets is avoided, and the production quality of the chewable tablets is guaranteed.

This utility model relates to the field of aloe vera processing technology, and in particular to an aloe vera cutting and filtering device, comprising a tank, a filtering mechanism fixedly installed at the lower end of the tank, a motor fixedly installed at the middle of the upper end of the tank, a rotating rod fixedly connected to the output end of the motor, a cutting blade fixedly connected to the lower part of the outer surface of the rotating rod, a rinsing mechanism fixedly connected to the upper inner wall of the tank, a feed pipe provided at the upper right part of the outer surface of the tank, and a control panel provided at the upper front middle part of the outer surface of the tank. This aloe vera cutting and filtering device allows aloe vera cutting and filtering to be performed simultaneously, improving processing efficiency. Furthermore, the feed hopper is bolted on, allowing it to be disassembled after processing for unified cleaning of residue on the filter plate, preventing residue accumulation from affecting subsequent filtration effects, and facilitating thorough cleaning of the filter plate to ensure its cleanliness and filtration performance.

The invention provides composition oil-control and anti-dandruff shampoo containing plant extracts and a preparation method of the composition oil-control and anti-dandruff shampoo, and relates to the technical field of shampoo. The composition oil-control and anti-dandruff shampoo containing the plant extract comprises the following components in percentage by mass: 5-8% of Pu'er tea enzyme fermentation liquor, 3-5% of a soapberry and Chinese honeylocust fruit mixed extracting solution, 4-6% of a composite plant extract, 2-3% of an active composite extracting solution, 1.5-2.5% of an aloe vera gel and glossy privet fruit extract, 30-40% of a cleaning substrate and the balance of deionized water. All heat-sensitive plant extracts are added at a low-temperature later stage, so that effective components are effectively prevented from being oxidized and decomposed due to high temperature, and the core effects of controlling oil, removing dandruff, nourishing and the like are reserved to the greatest extent. By adopting a split-phase preparation and ordered mixing process and through operation such as homogenization, complex components form a uniform, fine and stable microstructure, layering, precipitation or deterioration of a product is prevented, and four dimensions of efficacy, stability, sense and safety can be balanced.

1.The name of the design product: packaging box (Aloe Vera Herb Antibacterial Gel). 2.The use of the design product: for packaging products. 3.The design points of the design product: the combination of patterns and colors. 4.The picture or photo that best shows the design points: front view. 5.The design contains colors.

The present invention relates to the technical field of adhesives, and in particular to an environmentally friendly glue for children's picture books based on natural plant extracts, and a preparation method and application thereof. The glue comprises the following components: 10-15 parts by weight of loofah extract, 45-55 parts by weight of dynamic network base liquid, 0.5-1.5 parts by weight of xanthan gum, 1.2-2.3 parts by weight of nanocellulose, 0.3-0.6 parts by weight of methylcellulose, 2-4 parts by weight of aloe vera gel, 1-2 parts by weight of glycerol, 2-4 parts by weight of sorbitol, and 0.3-0.7 parts by weight of rosemary extract; wherein the dynamic network base liquid is obtained by mixing oxidized konjac glucomannan, silk fibroin, tannic acid, and ferric chloride. The present invention adopts a dynamic multiple cross-linked network design, forms a dynamic covalent bond by oxidizing konjac glucomannan and silk fibroin, combines tannic acid-Fe³⁺ coordination complexation, and constructs a three-dimensional network with a synergistic effect of dynamic covalent bonds and coordination bonds.

Anti-inflammatory topical compositions are disclosed in which niacinamide and polylysine dendrimer synergistically reduce the release of inflammatory markers (e.g., IL-8) from skin cells. Also disclosed are anti-inflammatory topical compositions in which polylysine dendrimer and various plant extracts reduce the release of inflammatory markers (e.g., IL-8) from skin cells. The pro-oxidative activity of polylysine dendrimer may be reduced by including an antioxidant (e.g., tocopherol and / or tocopheryl acetate) to an anti-inflammatory topical composition. Anti-inflammatory topical compositions comprising polylysine dendrimer and niacinamide and / or plant extracts (e.g., aloe vera extract, edelweiss extract, scuatline, etc.) may be used for treating inflammatory skin conditions (e.g., acne) by reducing the release of inflammatory markers (e.g., IL-8) from skin cells.

The invention belongs to the technical field of biological medicines, and discloses an application of rhizoma acori graminei essential oil in preparation of drugs for preventing and treating sensorineural deafness, the rhizoma acori graminei essential oil is taken as a core effective component, key active substances of the rhizoma acori graminei essential oil are determined to be beta-asarone and isomethyleugenol, and the rhizoma acori graminei essential oil can be prepared into oral preparations and / or ear drops; animal experiments and human body safety tests prove that the rhizoma acori graminei essential oil can remarkably reduce noise-induced hearing threshold displacement, protect the integrity of cochlea outer hair cells and the banding synaptic function of inner hair cells and inhibit cochlea local inflammation pathway activation, and is non-toxic to main organs and free of skin and tympanic membrane irritation. The invention solves the technical problems of poor compliance, obvious side effects on the whole body and indefinite effective components of the existing sensorineural deafness prevention and treatment medicines, and provides a safe and effective prevention and treatment scheme with strong scene adaptability.

1. The name of the product under this design: packaging tube (Fundi Soothing Aloe Vera Gel). 2. Application of this design product: skin care product packaging. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view.

Foam compositions for suppressing and extinguishing wildfires and lithium-ion type fires are disclosed. The foam composition is non-fluorinated with low viscosity, superior expansion rate and a very high drainage time that is suitable for aerial deployment in wildfires and for deployment to highly endothermic reaction fires such as lithium-ion battery fires. The composition includes water, some form of powdered aloe vera, additional polysaccharides, one or more bio-surfactants, one or more thickening agents, one or more cationic ingredients, and one or more diols. The composition may also include a preservative.

1. Name of the product in this design: Packaging Box (Good Decent Children's Aloe Vera Gel). 2. Purpose of this design: For storing Good Decent Children's Aloe Vera Gel. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses an aloe repeatedly cleaning equipment, including organism, conveying mechanism, preliminary cleaning mechanism, secondary cleaning mechanism and flush mechanism, the inside rotation of organism is connected with multiple sets of pivot, this one kind aloe repeatedly cleaning equipment is driven to move by the meshing of chain wheel and chain, and the surface of track is provided with transverse recess, and aloe raw material is divided and sets up, thereby drive aloe raw material to move, and start electric push rod drive first connecting rod and second connecting rod adjust angle, and drive soft hair cleaning roller and move downwards to the surface of aloe raw material and carry out cleaning, subsequently through the hole cleaning roller to aloe raw material and carry out secondary cleaning, when aloe raw material moves to the big turntable, the water in water tank is extracted, and sprays through the water spraying frame, simultaneously, start transmission motor drive big turntable and small turntable rotation, carry out the rotation of aloe raw material in the department, and aloe raw material is cleaned again when contacting and rubbing, and through the water spraying frame, the dirt on the surface of aloe raw material is cleaned.

The present invention relates to a biodegradable seed coating composition and a process to enhance seed protection, growth promotion, sustainability, and environmental compatibility. The composition comprises Polyhydroxybutyrate-co-valerate (PHBV), a natural antimicrobial agent like chitosan, plant-derived growth promoters such as aloe vera extract, a micronutrient complex, additives and a carrier such as purified water. The process for manufacturing the coating ensures precise integration of components under controlled conditions, maintaining temperatures below 70° C. The resulting coated seed product offers a shelf life of 5-7 years, germination rates above 90%, and moisture stability within ±2%.

This invention discloses an antiviral disinfectant wipe based on the synergistic effect of biocatalytic sterilization and physical membrane disruption, belonging to the field of disinfectant wipe technology. The disinfectant wipe contains the following raw materials in parts by weight: 85-95 parts spunlace nonwoven fabric, 0.08-0.15 parts modified antimicrobial peptides, 1.5-3 parts modified chitosan, 820-930 parts deionized water, 22-28 parts propylene glycol, 18-22 parts glycerin, 6-9 parts sodium cocoyl glycinate, 0.8-1.2 parts citric acid, 0.8-1.0 parts phenoxyethanol, and 4-7 parts aloe vera extract. This antiviral disinfectant wipe focuses on the synergistic effect of physical membrane disruption and catalytic sterilization. The raw material ratio is scientific, containing highly effective components such as modified antimicrobial peptides and modified chitosan, resulting in excellent sterilization and antiviral effects. The preparation process is standardized, with strict pretreatment of the nonwoven fabric, uniform solution dispersion, and controllable product liquid content. The addition of aloe vera extract makes it mild and non-irritating, allowing for flexible storage and high practicality.

The invention discloses a composition with a function of delaying skin aging as well as a preparation method and application of the composition. The composition comprises the following components in parts by weight: 40-45 parts of a white poria extract, 10-40 parts of a ginseng extract, 5-8 parts of a lotus seed extract, 5-8 parts of radix angelicae powder, 5-8 parts of aloe vera gel, 12-16 parts of 4D hyaluronic acid, 15-20 parts of glycerol, 3-5 parts of palmitoyl tetrapeptide-7 and the balance of deionized water. Through compatibility of the white poria extract, the ginseng extract, the lotus seed extract, the radix angelicae powder, the aloe vera gel, the 4D hyaluronic acid, the glycerol, the palmitoyl tetrapeptide-7 and the deionized water, the composition with the skin aging delaying function is prepared, and the composition has an obvious skin aging delaying effect and has an excellent improvement effect on various skin problems; the white poria extract and the ginseng extract are compatible in proportion to generate a definite synergistic effect instead of a simple additive effect; the moisturizing cream can moisturize and brighten the skin color, improve the dull yellow skin, and realize the effect of delaying skin aging.

This invention provides a calcium-based MOF crystal material with photoelectric effect, its preparation method, and its applications. The material uses L-malic acid (L-2-hydroxysuccinic acid) as the organic ligand and calcium ions as the metal center, forming a three-dimensional network structure with an MBR topology. The calcium-based MOF crystal material of this invention exhibits photoelectric effect, displaying a main peak at λex = 440 nm. With a fixed λ_ex = 440 nm, the emission spectrum shows a strong sharp peak at λ_em = 550 nm, with a Stokes shift of Δλ = 125 nm. The excited state exhibits significant lattice relaxation, making it suitable as a fluorescent matrix material for preparing photoexcited materials and devices. The calcium-based MOF crystal material of this invention is prepared using aloe vera as a raw material. The organic components in aloe vera participate in MOF formation as organic ligands. The preparation method is simple, the preparation conditions are mild, and production costs are reduced.