218results about How to "Increase vitality" patented technology

The invention discloses Trichoderma longibrachiatum NT241 and application thereof, the microbiological classification name of the Trichoderma longibrachiatum NT241 is Trichoderma longibrachiatum NT241, the Latin literature name of the Trichoderma longibrachiatum NT241 is Trichoderma longibrachiatum NT241, the preservation number of the Trichoderma longibrachiatum NT241 is CGMCC (China General Microbiological Culture Collection Center) No.41139, and the preservation address of the Trichoderma longibrachiatum NT241 is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The trichoderma longibrachiatum NT241 disclosed by the invention grows quickly, the generated endo-beta-glucanase and manganese peroxidase are relatively high in activity, the degradation of straws of crops such as oilseed rape and wheat is promoted by adding the liquid fungicide, and an efficient microbial resource can be provided for straw returning utilization.

The invention provides an anti-hair loss composition containing cacumen biotae as well as a preparation method and application of the anti-hair loss composition, and belongs to the technical field of biological medicines. The anti-hair loss composition containing cacumen biotae comprises a cacumen biotae extract, a ginseng root extract, an eclipta prostrata extract, a polygonum multiflorum extract, a tea seed extract, a gleditsia sinensis extract, a mulberry bark extract, a cortex dictamni extract, a cnidium monnieri seed extract and a mint extract. All the components have a synergistic effect, and the shampoo has the effects of improving the greasy environment of scalp, preventing grease from blocking hair follicles, reducing the damage of inflammation to the hair follicles, inhibiting the activity of 5 alpha-reductase, improving the color and toughness of hair and the like, relieves alopecia seborrhoeica and achieves an anti-alopecia effect.

The invention relates to the technical field of electricity transaction, in particular to an hour-level green electricity transaction matching method and system considering a green certificate transaction blockchain, and the method comprises the following steps: S1, data collection and preprocessing: collecting the power generation operation data of a green electricity supplier and the power utilization behavior data of a user, preprocessing the collected power generation operation data and power consumption behavior data; s2, constructing a green certificate block chain: constructing a green certificate transaction platform based on a block chain technology, and recording green certificate transaction information; s3, establishing a matching model: constructing a multi-objective optimization model, and integrating multiple factors to carry out transaction matching; s4, transaction execution monitoring: after successful matching, executing the transaction and performing real-time monitoring; s5, transaction settlement evaluation: performing settlement and evaluation after the transaction is completed; according to the invention, the efficiency of green electricity transaction and the satisfaction degree of users and suppliers are effectively improved, and efficient utilization of green electricity resources and vitality improvement of the energy market are realized.

The invention particularly relates to a method for extracting ACE (Angiotensin Converting Enzyme) inhibitory peptide from tilapia skin. The tilapia skin is a by-product rich in collagen, and has important development significance as a screening raw material of the ACE inhibitor. The invention provides a method for extracting an ACE (Angiotensin Converting Enzyme) inhibitor by taking tilapia skin as a raw material, which comprises the following steps of: degreasing the tilapia skin, crushing, adding acid liquor, extracting to obtain fish skin collagen crude protein, adding enzyme into the fish skin collagen crude protein for enzymolysis, and reserving the part with the molecular weight of less than 3kDa in an enzymolysis product, namely the ACE inhibitory peptide. Particularly, the enzyme is a product of bacillus subtilis or bacillus coagulans under gelatin-induced fermentation.

The invention provides a polypeptide and application thereof in preparation of a medicine for preventing and / or treating alcoholic liver injury. The polypeptide is safe and free of side effects, can remarkably reduce the content of malondialdehyde (MDA), improve the activity of superoxide dismutase (SOD), improve the content of glutathione (GSH), reduce the activity of glutamic-pyruvic transaminase (ALT), reduce the activity of aspartate transaminase (AST) and reduce the activity of lactic dehydrogenase (LDH), and is very suitable for preparing the medicine for preventing and / or treating the alcoholic liver injury.

The invention provides a novel nano material as well as an immobilized enzyme and application thereof, and relates to the fields of biotechnology and application, material synthesis and application, water environment treatment and environmental protection. The particle size of the nano material is 2-30 microns, and the aperture of the surface is 2-30 nm; the solid nanomaterial is prepared by the following method: adding an alkali solution into a metal salt solution, fully mixing, then adding a ligand aqueous solution, fully reacting, and then separating to obtain the solid nanomaterial. When the material is used for immobilizing enzyme, the particle size of the obtained immobilized enzyme is 2-20 microns, and the aperture of the surface is 1-15 nm; the preparation method comprises the following steps: mixing an enzyme with a ligand aqueous solution, then adding the mixture into a metal salt mixed solution, and separating a solid product. The nano material has excellent biocompatibility and mild synthesis conditions, can protect the reaction activity of the enzyme under harsh conditions such as high temperature, acid and alkali, and improves the recycling capability and storage capability of the enzyme.

The invention relates to the technical field of agriculture, and discloses an organic-inorganic compound fertilizer containing humic acid, which comprises the following components in percentage by mass: 5-25% of nitrogen; 9%-26% of phosphorus; 8%-28% of potassium; 5%-10% of humic acid; 60%-80% of an organic material; 0.5%-2% of medium trace elements; 0.5%-1% of a microbial agent; the organic material comprises but is not limited to lignite, straw powder or a combination thereof; the medium trace elements comprise the following components in percentage by mass: 30%-40% of zinc; 20% to 30% of iron; 10% to 20% of calcium; 20% to 30% of magnesium; the microbial agent comprises one or more of nitrogen-fixing bacteria, phosphorus dissolving bacteria and potassium dissolving bacteria. Nitrogen, phosphorus, potassium, humic acid and medium trace elements are chelated, so that nutrients are in a stable release state in soil, and the problem of nutrient loss caused by too fast dissolution of a conventional fertilizer is effectively avoided.

The invention discloses a method for producing pectinase by using trachycarpus racemosus based on a single factor test and application, and the method comprises the following steps: selecting a fermentation strain, setting a solid state fermentation culture medium, setting fermentation culture conditions, inoculating the fermentation strain into the solid state fermentation culture medium, testing the performance of pectinase, and determining the content of pectinase according to the test result. And optimizing the solid-state fermentation culture medium and the fermentation culture condition to obtain the optimal solid-state fermentation culture medium setting condition and the optimal fermentation culture condition. Compared with the prior art, the method has the advantages that the quantity and vitality of spores are remarkably improved by selecting the trachycarpus racemosus strains as the fermentation strains, so that the vitality and production efficiency of the strains to be fermented are improved, and the optimal solid-state fermentation culture medium setting conditions and the optimal fermentation culture conditions are obtained by optimizing the solid-state fermentation culture medium setting conditions and the fermentation culture conditions; the optimized pectinase product is obtained under the optimized condition, and the pectinase product has high activity and excellent high temperature resistance and acid resistance, so that the application range of pectinase is widened.

The invention relates to a methyltransferase gene for catalyzing methylation of resveratrol and application of the methyltransferase gene, and belongs to the technical field of biology. The invention provides a gene of methyltransferase capable of catalyzing resveratrol to generate pinostilbene and pterostilbene. The gene of the methyltransferase is a gene YC26, a gene SS15 or a gene HS97-5. The methyltransferase gene provided by the invention has the advantages of high substrate conversion rate, rich products, high activity and the like, the conversion rate of resveratrol can be increased and synthesis of pterostilbene can be promoted when the methyltransferase gene is combined with other methyltransferase genes to express in different strains, additional addition of expensive methyl donors is avoided, and the production cost is reduced. Only a small amount of substrate resveratrol needs to be added or no substrate resveratrol is added.

The invention relates to a compound preparation for improving the physique of weak stiff livestock. Every 100 ml of the compound preparation mainly comprises the following components according to a ratio: 0.1 to 0.3 g of vitamin E, 1 to 3 g of lactobacillus, 1 to 2 g of bile acid, 1 to 3 g of xylanase, 0.2 to 0.4 g of vitamin B1, 0.2 to 0.4 g of vitamin B2, 0.2 to 0.4 g of vitamin B6, 0.2 to 0.4 g of vitamin B12, 1 to 3 g of nicotinamide, 0.5 to 1.0 g of butafosfan, 1 to 3 g of taurine, 1 to 3 g of lysine, 0.5 to 1.0 g of levamisole hydrochloride, 5 g of soybean oil, 50 g of gelatin liquid, 5 to 10 ml of sodium sulfate solution, 1 to 2 g of Pickering emulsifier, 3 to 5 g of liquid paraffin and 1 to 2 g of Tween-80. The compound preparation not only pays attention to nutritional supplement, but also pays attention to regulation of an immune system and improvement of intestinal flora balance, so that the physique of the weak stiff livestock is comprehensively improved, and powerful support is provided for efficient development of the breeding industry.

The invention provides a ganoderma lucidum fermentation lysate as well as a preparation method and application thereof in preparation of cosmetics. The preparation method of the ganoderma lucidum fermentation lysate comprises the steps of induced fermentation, catalytic degradation, membrane filtration, spray drying and the like. By inducing endogenous enzyme and metal ion regulation catalysis, the ganoderma lucidum fermentation lysate can be prepared in an environment-friendly, economical and efficient manner, the content of ganoderma lucidum polysaccharide in the prepared ganoderma lucidum fermentation lysate reaches 18% or above, and the content of beta-glucan in ganoderma lucidum polysaccharide is larger than 5%. Experiments prove that the ganoderma lucidum fermentation lysate has good antioxidant activity and an anti-aging effect, and has a wide market application prospect in the field of anti-aging cosmetics.

The invention provides a ruminant rumen bypass coating preparation and a preparation method and application thereof. The rumen bypass coating preparation comprises a core material and a coating, wherein a coating solution for preparing the coating comprises the following components in parts by weight: 8-10 parts of soybean lecithin oil; 2-3 parts of reducing sugar; 18 to 20 parts of grease; the coating liquid is prepared by the following steps: heating and melting 8-10 parts of soybean lecithin oil at the high temperature of 60-90 DEG C, adding 2-3 parts of reducing sugar into a molten reaction pot, stirring until the reducing sugar is molten, and preserving heat at 50 DEG C after the materials react to be brown yellow; and additionally taking 18-20 parts of grease, heating and melting, mixing the material obtained in the previous step with the grease, and uniformly stirring to form a mixed solution, namely the coating solution. According to the invention, the Maillard reaction between lecithin and reducing sugar is utilized to produce a product with good rumen bypass and intestinal release effects, the obtained product has high purity, good quality and high small intestine release rate, the vitality of immune cells is improved, and the disease resistance and stress resistance are enhanced.

The invention discloses a fermented caffeine eye cream composition. Comprising the following components in parts by weight: 30 to 80 parts of a fermentation composition, 1 to 5 parts of caffeine, 0.1 to 0.3 part of hydroxypropyl tetrahydropyrantriol, 0.5 to 2 parts of nicotinamide, 0.1 to 1 part of squalane, 0.01 to 0.5 part of a ceramide composition, 0.005 to 0.05 part of dipeptide diaminobutyryl benzyl amide diacetate, 0.005 to 0.05 part of a polypeptide composition, 0.01 to 0.5 part of carnosine, 0.01 to 0.5 part of tetrahydromethylpyrimidine carboxylic acid and 3 to 12 parts of a plant extract. The invention also discloses an eye cream containing the eye cream composition. The fermented caffeine eye cream composition provided by the invention can effectively smooth the skin surface, and is beneficial to preventing and comforting aging, improving skin elasticity, improving dark circles, relieving edema and removing under-eye puffiness.

The invention discloses a display device with an active red light function and application thereof, and belongs to the technical field of display. Comprising a backlight unit; the backlight unit comprises a light guide plate and a light source; the light source comprises a red light source and a blue light source; the light source is located on the lower side of the diffusion plate or located on at least one side of the periphery of the light guide plate. A quantum dot yellow film, a first prism film, a second prism film, a DBEF brightness enhancement film, a diffusion film and a liquid crystal panel are sequentially arranged on the upper side of the diffusion plate or the light guide plate from bottom to top in a stacked mode. When the display device is applied, the white light mode is used for conventional use, the quantum dot yellow film is used for converting blue LED backlight, high-purity green light and eye protection red light with the long wavelength of 650 nm are emitted, the blue light content in the display device can be remarkably reduced, the display color gamut can be improved, and the eye use comfort degree can be improved. In the red light mode, the display device is used for emitting high-intensity long-wavelength 650nm eye protection red light, so that the beneficial effects of preventing and controlling myopia and protecting eye health are achieved.

The invention provides a Ilex plant germination accelerating, sowing and seedling raising method, and relates to the technical field of Ilex seedling raising. The Ilex plant germination accelerating, sowing and seedling raising method comprises the following steps of fruit collection, after-ripening treatment, natural stratification treatment, germination accelerating and soaking, seed germination and sowing seedling stage management. Through optimization measures in the aspects of after-ripening treatment, germination accelerating soaking, natural stratification treatment, sand storage and soil storage composite germination accelerating and germination combined with proper seedling stage management after planting and the like, the germination rate of ilex plant seeds and the growth quality of seedlings are remarkably improved, and meanwhile the method has the advantages of being environmentally friendly and recycling resources. The method is an efficient, economical and environment-friendly seedling raising method.

The invention relates to the technical field of rhinitis medicine preparation, in particular to zirconium-doped cerium oxide nano-enzyme for preparing allergic rhinitis drops and a preparation method of the zirconium-doped cerium oxide nano-enzyme. The preparation method comprises the following steps: step 1, weighing a cerium acetylacetonate (III) hydrate and a zirconium acetylacetonate (IV) hydrate, adding into oleylamine, magnetically stirring and uniformly mixing, and carrying out ultrasonic treatment on the mixture; step 2, putting the mixed solution in the step 1 into a drying oven, heating, preserving heat, and aging to obtain a dark brown colloidal solution; step 3, naturally cooling the colloidal solution to room temperature, adding acetone, centrifuging, discarding supernate, and repeating centrifugal washing for several times; and 4, carrying out vacuum drying on the precipitate obtained in the step 3, and fully grinding to obtain the zirconium-doped cerium oxide nano-enzyme. The prepared zirconium-doped cerium oxide nano-enzyme is applied to preparation of allergic rhinitis drops. The zirconium-doped cerium oxide nano enzyme reduces the inflammatory factor level of the AR mouse and inhibits degranulation of nasal mucosa MCs, so that the pathological state and allergic symptoms of the AR mouse are improved.

The invention relates to the field of health care products, and particularly discloses a composition containing active peptides and application of the composition in improving male functions. The composition is prepared from 0.5 to 1.0 part of oyster peptide, 1.8 to 2.8 parts of ginseng peptide, 0.5 to 1.0 part of fructus perillae peptide, 1 to 3 parts of cordyceps militaris peptide, 2 to 4 parts of penis et testis cervi peptide, 0.5 to 1.5 parts of cordyceps sinensis extract, 3 to 7 parts of total flavonoids of herba epimedii, 1 to 3 parts of cycloastragenol, 1 to 3 parts of fructus lycii extract, 2 to 6 parts of herba dendrobii extract, 1.5 to 2.5 parts of herba cynomorii extract and 0.05 to 0.15 part of glycine. The composition disclosed by the invention has the effects of tonifying kidney qi, nourishing essence and blood, tonifying Yang, tonifying spleen and replenishing qi, strengthening and consolidating body resistance, resisting fatigue and the like, can also improve the sperm motility and improve the reproductive injury condition of an organism, and has positive influence on the fertility and sexual function of males.

The invention relates to the field of fruit tree cultivation and treatment, in particular to influence of melatonin on physiological characteristics of citrus seedlings under drought stress and application thereof.The citrus seedlings are selected, melatonin spraying liquid is used for spraying the citrus seedlings of an experimental group at dusk every day, spraying is carried out every two days, spraying is carried out five times in total, and drought stress is carried out again after spraying. The soil humidity is controlled to be 40%-50%, then melatonin spraying liquid is sprayed again, leaves are covered with vaporific liquid drops without dripping during spraying, experimental data are highlighted, and a control group and a control group citrus seedling (normal water supply and distilled water spraying on leaf surfaces) are set at the same time; and observing the influence data of the melatonin on the citrus seedlings under drought stress. Experiments prove that the exogenous melatonin significantly reduces the MDA content of citrus leaves, increases the content of penetration regulation and control substances such as proline, soluble sugar and soluble protein, and enhances the activity of antioxidant enzyme, thereby effectively reducing the damage of drought stress to citrus plants.

The invention provides a method for reducing acetic acid in a succinic acid fermentation process, and belongs to the technical field of fermentation. In the step of fermentation culture, a fermentation aid is fed in a fermentation culture process, specifically, when fermentation is performed for 10h, a fermentation aid I is fed into a fermentation culture tank at the feeding speed of 0.07-0.09 ml / h / L until fermentation is finished; when the fermentation is performed for 24 hours, feeding a fermentation aid II into the fermentation culture tank at the feeding speed of 0.12-0.14 ml / h / L until the fermentation is finished; the fermentation aid I comprises cobalt chloride hexahydrate, zinc sulfate heptahydrate, folic acid and biotin; the fermentation auxiliary agent II comprises nicotinamide, cysteine and tyrosine; the content of the fermentation culture solution prepared by the method disclosed by the invention is as high as 59.1-60.4 g / L, the content of acetic acid is as low as 0.30-0.65 g / L, and the content of malic acid is 0.20-0.23 g / L.

The invention discloses a hair loss prevention and hair growth composition, a preparation method thereof, and a hair care cosmetic containing the hair loss prevention and hair growth composition, which is composed of the following components: 1-2 parts of ginger root extract; 1-2 parts of Polygonum multiflorum extract; 2.58-8.3 parts of skin auxiliary conditioner; 0.56-2.1 parts of hair auxiliary conditioner; 0.1-2 parts of preservative; 5-15 parts of moisturizer; 70-85 parts of water. The above composition can effectively improve the hair microenvironment, inhibit sebum secretion, and prolong the hair survival cycle through the cooperation of the skin auxiliary conditioner and the ginger root extract. While comprehensively preventing hair loss, the hair auxiliary conditioner and the Polygonum multiflorum extract are used to regulate the blood supply of the key parts of the hair follicle cycle growth, enhance the vitality of the hair, and strengthen the hair roots, thereby achieving a comprehensive solution to various problems such as seborrheic alopecia, neurotic alopecia, diffuse alopecia, and nutritional alopecia.

The invention discloses a culture pond bottom automatic blowdown device for aquaculture, which comprises a driving box, a chassis, a plurality of culture pond boxes, a rotating assembly and a cleaning assembly, the culture pond boxes are bottomless ponds, and the lower sides of the culture pond boxes are transparent; the chassis is arranged on the upper side of the driving box, the culture pond boxes can rotate around the center of the chassis, and the rotating assembly is connected with the driving box and can be used for driving the culture pond boxes to rotate around the center of the chassis. When the culture pond box is cleaned, only the rotating assembly needs to be controlled to enable the culture pond box to rotate by a certain angle, in this way, the bottom, originally located in the culture pond box, of the base plate can be exposed, in this way, the exposed dirty bottom can be cleaned, cleaning can be conducted without fishing out aquatic products, and meanwhile the space in the pond cannot be occupied.

The invention provides a double-fermentation thick skin factor liposome, a preparation method thereof and a cosmetic, and relates to the technical field of biomedical materials. The double-fermentation thick skin factor liposome comprises alkaloid, a double-fermentation thick skin factor, phospholipid and short-chain fatty alcohol, the dual-fermentation skinning factor comprises galactose yeast fermentation liquor, lactic acid bacteria NP and glycyrrhetinic acid. According to the double-fermentation thick-skin factor liposome provided by the invention, the double-fermentation thick-skin factor has excellent anti-aging and anti-aging effects, can remarkably improve the cell activity and enhance the skin barrier, and is prepared into a liposome form, and glycyrrhetinic acid in the double-fermentation thick-skin factor and sophocarpidine are utilized to form a supramolecular eutectic. The double-fermentation thick skin factor liposome has double advantages of the supramolecular eutectic solvent and the liposome, the double-fermentation thick skin factor is efficiently promoted to enter the skin, the skin residence rate is increased, and the local treatment effect is effectively improved to play the anti-aging effect of the double-fermentation thick skin factor liposome.

The invention belongs to the field of skin care and skin disease treatment, and provides a skin care composition and application thereof, and the skin care composition is in a liquid form and comprises recombinant collagen and glycolic acid. The specific low-concentration glycolic acid in the skin care composition disclosed by the invention ensures the mild keratin metabolism capability; the recombinant collagen with high transdermal property can quickly permeate into the deep layer of the skin, and can immediately provide a repairing raw material for the skin while the glycolic acid acts, so that discomforts such as redness and stabbing pain are remarkably relieved, and synchronous skin care and repairing is realized.

The present application provides a kind of prevention and control method of green moss in water lily planting pool, specifically belongs to water quality control technical field.The prevention and control method of green moss in water lily planting pool described in the present application includes the following steps: before planting water lily, water injection, water level is controlled at 15~20cm, copper sulfate is applied to kill green moss and its spores, keep water body not to flow during disinfection;After disinfection, apply sodium thiosulfate, and plant water lily;After planting water lily, keep replenishing water, control water level to 40~50cm, when green moss first outbreak, apply mineral fulvic acid potassium and composite bacillus;Subsequent green moss outbreak, apply mineral fulvic acid potassium, or apply mineral fulvic acid potassium and composite bacillus.The prevention and control method described in the present application is safe and efficient, which can quickly and effectively remove green moss without inhibiting the growth of water lily, and also does not affect the harvest of water lily.

The present application relates to the field of plant tissue culture technology, and particularly discloses a lily stem cell abundance ex vivo regulation method. The lily bulb is used as the starting material, stem cell magnitude amplification and regulation culture can produce lily tissue organ materials with high stem cell abundance. The present application provides sterile lily materials with high stem cell abundance, which has the characteristics of strong regenerative ability, high proliferation rate, etc., is the basis for protoplast preparation and high-efficiency regeneration, and is suitable for different lily varieties, and provides technical support for cell engineering breeding, seedling scale breeding, etc.

The invention discloses a preparation method of a dendrobium loddigesii polysaccharide extract, which comprises the following steps: crushing cleaned dendrobium loddigesii into dendrobium loddigesii powder, extracting with ethanol, filtering, and drying to obtain dendrobium loddigesii powder to be extracted; mixing p-toluenesulfonic acid, n-butyl alcohol and water to obtain an extraction solution; adding to-be-extracted dendrobium loddigesii powder into the extracting solution, heating and extracting, separating, dialyzing to obtain a crude extracting solution, carrying out alcohol precipitation, dialyzing the precipitate, and freeze-drying to obtain the dendrobium loddigesii polysaccharide extract. The mixed solution is used for extracting the dendrobium loddigesii polysaccharide, extraction and separation of the dendrobium loddigesii polysaccharide extract can be achieved, deproteinization treatment is not needed, the purity of the obtained dendrobium loddigesii polysaccharide extract can reach 90% or above, the process is simple and convenient, reproducibility is good, cost is low, and large-scale production is easy. The invention further discloses application of the dendrobium loddigesii polysaccharide extract prepared by the preparation method and the pharmaceutical composition of the dendrobium loddigesii polysaccharide extract in preparation of drugs or health care products for preventing or treating liver injury.

The invention discloses an irrigation method for improving the water and fertilizer utilization rate of greenhouse tomatoes, and the method adopts a method of combining a circulating aeration device with drip irrigation to control the fertilization amount, the soil water content and the irrigation amount in each period of tomato growth so as to monitor the change response of the soil environment and the migration, transformation and regulation of nutrients in a tomato root zone. By adopting an irrigation fertilization mode with a high aeration irrigation medium fertilizer level, growth of tomato plants and dry matter accumulation are promoted, root morphology distribution is improved, root activity is improved, photosynthetic indexes and chlorophyll content of the tomato plants are remarkably improved, photosynthesis is enhanced, and fruit yield, transverse diameter, longitudinal diameter and fruit quality are remarkably improved; the soil enzyme activity and the microorganism quantity of the tomato root zone are obviously improved, and the nutrient absorption accumulation amount and the nutrient absorption and utilization efficiency of tomato plants are improved.

The present invention discloses a cell-carrying microgel for ophthalmic injection and its preparation method and application, belonging to the field of biopharmaceutical technology. The cell-carrying microgel for ophthalmic injection comprises a double-network cross-linked gel microsphere constructed by cross-linking two or more polymer materials, the surface of the gel microsphere is coated with fibrin, and the surface of the fibrin is loaded with retinal pigment epithelial cells. The present invention uses the free radical polymerization reaction of GelMA / HAMA to photocross-link the microspheres, and after the surface is coated with fibrin, hESC-RPE cells are implanted. The obtained cell-carrying microgel realizes a new fundus cell transplantation strategy for minimally invasive injection of subretinal cavity.

The invention discloses a preparation method of jujube polysaccharide with antioxidant and nerve cell protection activity, and relates to a preparation method of jujube polysaccharide, which comprises the following steps of: firstly, obtaining extract from jujube by using a petroleum ether, 90% ethanol and distilled water condensation reflux extraction method, deproteinizing and decolorizing, separating by using DEAE-52 cellulose column chromatography, and separating by using ethanol to obtain the jujube polysaccharide with antioxidant and nerve cell protection activity. And finally, further purifying by using SephadexG-200 gel, so as to finally obtain the jujube polysaccharide ZJP-1. And the molecular weight of the ZJP-1 is 9.04 kDa. In-vitro DPPH, ABTS and hydroxyl radical scavenging activity results show that the jujube polysaccharide ZJP-1 has antioxidant activity. Meanwhile, the activity of T-AOC, SOD and GSH-Px in damaged nerve cells can be improved, the content of MDA is reduced, and oxidative damage of the nerve cells is effectively relieved.

This invention discloses a method for producing crop cultivation substrate using sugarcane filter mud and sugarcane pith as main raw materials, comprising the following steps: (1) dissolving and diluting 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid in water to obtain a solution; (2) mixing sugarcane slurry, sugarcane pith, the 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid solution, fermentation agent, and improver, adjusting the moisture content, and then composting and fermenting. The compost is turned over every few days and continuously composted and fermented for several days to obtain the crop cultivation substrate. The crop cultivation substrate produced by this invention is of excellent quality, allowing direct planting of plants without root burn. Therefore, this invention, using sugarcane filter mud and sugarcane pith as main raw materials to prepare and produce crop cultivation substrate, can effectively solve the problem of comprehensive utilization of sugarcane filter mud and improve product sales.