63 results about "Eleocharis" patented technology

The invention relates to a method used for extracting eleocharis turerosa peel natural brown pigment with ultrasonic wave, which belongs to the technical field of food additive and is characterized by cavitation effect and mechanical effect produced by the ultrasonic wave; edible ethanol solution is adopted as a solvent to extract the eleocharis turerosa peel brown pigment with the ultrasonic wave at the temperature of 50 DEG C to 70 DEG C, the power of 60W to 80W and 60 percent to 80 percent of duty ratio; decompression and distillation are conducted to reclaim the ethanol; the extraction time is one tenth of that of the common extracting method; the yield is 20 percent to 25 percent; the invention is easy for industrialized production, changes the eleocharis turerosa peel which is always taken as waste into valuable; the obtained product is water-soluble natural brown pigment, has antibacterial effect and antioxidation activity, and is suitable to serve as colorant and additive of all kinds of foods.

The invention discloses a method for extracting pigments in eleocharis tuberose peel and belongs to the field of extraction of natural pigments. The method for extracting the pigments in the eleocharis tuberose peel comprises the following steps of: firstly drying and smashing the eleocharis tuberose peel to obtain eleocharis tuberose peel powder, and dissolving the eleocharis tuberose peel into an ethanol solution; secondly, adding cellulose and pectinase to carry out enzymolysis, and filtering the obtained products after the enzymolysis, so that primarily extracted filter residue is obtained; and thirdly, carrying out vacuum drying on primarily separated filtrate, so that powdery brown pigment is obtained. According to the method for extracting the pigments in the eleocharis tuberose peel, double enzymolysis is carried out on the eleocharis tuberose peel by adopting the cellulase and pectinase, and dissolution rate and leaching rate of the pigments in the eleocharis tuberose peel are increased.

The invention discloses medlar-mulberry healthcare rice wine and a preparation method thereof. The medlar-mulberry healthcare rice wine is composed of the following raw materials in parts by weight: 120-125 parts of glutinous rice, 18-25 parts of wheat germ, 20-25 parts of black rice flour, 4-8 parts of medlar, 5-10 parts of mulberry, 3-6 parts of pumpkin flower, 3-5 parts of gracilaria lemaneiformis, 2-4 parts of houttuynia cordata, 3-4 parts of tendrilleaf solomonseal rhizome, 1-2 parts of eleocharis yokoscensis, 4-5 parts of radix pseudostellariae, 2-4 parts of cordyceps sinensis, 3-4 parts of tuber fleeceflower stem, 1-2 parts of butterflybush flower, 3-4 parts of halodendron, 2-4 parts of dragon's tongue leaf and 5-6 parts of hollyhock. The rice wine disclosed by the invention is fresh in taste, mellow in flavor and sweet and delicious; the mulberry and the medlar have multiple healthcare functions, so that the medlar-mulberry healthcare rice wine has the functions of preventing and treating cancer, lowering cholesterol, preventing angiosclerosis, nourishing and whitening, engendering liquid and moistening dryness, nourishing liver and improving eyesight, enriching blood and soothing the nerves, and preventing dizziness, and the like.

The invention discloses a functional feed for preventing and treating bovine ephemeral fever and a preparation method of the functional feed. The functional feed comprises the following raw materials: corns, bran, cottonseed cakes, mountain flour, bone meal, table salt, sodium bicarbonate, sweet potato leaf residues, celery residues, peanut meal, fermented straws, fructo-oligosaccharide, chrysanthemum, lotus leaf powder, mung bean flour, eleocharis tuberosa, water chestnut, fish meal, pumpkin, wax gourd, cod-liver oil, sodium selenite, citric acid, cactus micropowder, raw ginger, vitamin premix and microelement premix. The functional feed disclosed by the invention has the beneficial effects of having the effects of traditional Chinese additives for clearing away heat and toxic materials and relieving dizziness and resolving tetany, being capable of improving the immunity of bovine, and has the advantages of short course of treatment, relatively good effect, no drug residue, pure nature, no toxicity, safety, convenience and the like when used for treating the bovine ephemeral fever.

The invention relates to an eleocharis tuberosa peel extract bacteriostasis preservative comprising 3-5% of eleocharis tuberosa peel extract, 0.2-2% of ginger extract, 0.5-2% of lemon extract, 0.5-1% of chitosan and the balance being water to 100%. A preparation method of the eleocharis tuberosa peel extract bacteriostasis preservative includes the steps: drying eleocharis tuberosa peels prior to crushing and screening; adding eleocharis tuberosa peel powder into water to be subjected to boiling and ultrasonic wave assisted lift; filtering or centrifuging the obtained solution prior to taking supernatant; cleaning ginger and lemon fruit prior to juicing, then putting the juice and chitosan dissolved in the lemon juice together into the supernate for soaking, and filtering to obtain the bacteriostasis preservative. An application method of the bacteriostasis preservative includes using the bacteriostasis preservative for soaking fruit and vegetables for 5-10min. The bacteriostasis preservative has the characteristic of strong bacteriostasis capability, and causes no pollution to human and the environment in use on fruit and vegetables.

The invention discloses a method for extracting quercetin from eleocharis tuberosa peels and belongs to the field of natural organic chemistry. The method is characterized by comprising the following steps of by using an acetone aqueous solution as a solvent, extracting quercetin from the eleocharis tuberosa peels, extracting an extract with ethyl acetate, separating an extractant with a middle-pressure MCI column chromatography and a polyamide column chromatography and purifying with Sephadex LH-20 gel and silica gel column chromatography to obtain a quercetin product of which the content of quercetin is not less than 95%. The method opens up a novel way for extracting and separating quercetin from natural plants, the good separation effect is achieved, the product is high in purify, the eleocharis tuberosa peels, which are always regarded as wastes, are changed into treasure, the selected chromatographic material MCI, polyamide and gel can be repeatedly used, the raw materials are easily available and are rich in resources, the method is low in production cost, the large-scale production can be performed and the method meets the needs of pharmaceutical industry.

The invention relates to an etiolation resisting agent for fresh-cut eleocharis tuberosa. The etiolation resisting agent comprises 0.5%-1.0% of salicylic acid , 1.0%-1.5% of ferulic acid, 0.2%-2.0% of a fresh ginger extract, 0.5%-1.0% of chitosan and the balance of water. An application method of the etiolation resisting agent for fresh-cut eleocharis-tuberosa comprises the following steps of (1) peeling eleocharis tuberosa, and cutting the peeled eleocharis tuberosa into sheets of which the thickness is 0.4-0.6cm; (2) soaking the fresh-cut eleocharis tuberosa with the etiolation resisting preparation for the fresh-cut eleocharis tuberosa for 10-20min; (3) performing drying to remove the moisture on the surface of the fresh-cut eleocharis tuberosa; and (4) performing sealed packaging with a preservative film so as to obtain finished products of the etiolation resisting preparation for fresh-cut eleocharis tuberosa. The etiolation resisting agent disclosed by the invention can maintain the bright and white color of the fresh-cut eleocharis tuberosa for 20 days or above, has the effect of fresh keeping, and can effectively restrain the condition that the fresh-cut eleocharis tuberosa becomes rotten caused by pathogenic bacteria. The fresh keeping agent disclosed by the invention is low in cost, and the flavor of the eleocharis tuberosa is not influenced basically.

The invention relates to a preservative film with an antibacterial function and a preparation method of the preservative film. The preservative film is prepared by the following components in parts by weight: 100 parts of polyethylene, 2 to 3 parts of polydimethylsiloxane biquaternary ammonium salt, 5 to 6 parts of konjak, 7 to 9 parts of pomegranate bark, 1 to 2 parts of onion juice, 3 to 5 parts of eleocharis tuberosa peel acid alcohol extractive, 5 to 7 parts of shaddock ped extractive, 3 to 4 parts of chitin, 1 to 2 parts of starch, 2 to 3 parts of citric acid and 4 to 5 parts of glycerinum. The invention provides the preservative film with the antibacterial function and the preparation method of the preservative film; the prepared preservative film has antibacterial and bacteriostatic functions, and is applicable to retaining freshness of daily fruits and vegetables; the antibacterial function of the preservative film is effectively improved; breeding of microorganisms is reduced; the breeding of bacillus, pseudomonas, trichoderma, saccharomycetes, basidiomycetes, xylaria, streptomyces and filamentous actinomycetes and the like can be effectively inhibited; and the preservative film has the high efficient sterilizing function.

The invention discloses a ternary weeding composition for a paddy rice direct-seeding field. The weeding composition comprises pyrazosulfuron-ethyl, fenoxaprop-p-ethyl, penoxsulam and a synergist, wherein the mass ratio of pyrazosulfuron-ethyl to fenoxaprop-p-ethyl to penoxsulam to the synergist is (1-50) to (1-15) to (10-20) to (1-5). The weeding composition has a synergistic effect, is mainly used for being sprayed about 10 days after transplantation in the paddy rice direct-seeding field to prevent and remove grassy weeds such as barnyard grass and moleplant seeds overgrown in the paddy rice direct-seeding field, and also can be used for preventing other broadleaf weeds such as rotala indica, monochoria vaginalis and euphorbia helioscopia and cyperus weeds such as eleocharis yokoscensis and cyperus difformis; in addition, the weeding composition has the characteristics of high weeding activity, wide weeding spectrum and convenience in use, is safe to paddy rice and belongs to environment-friendly weedicides.

The invention belongs to the field of preparation of traditional Chinese medicines and specifically relates to a processing method of cistanche. The processing method comprises the following steps: firstly carrying out sterilization, preservation and antiseptic treatments on cistanche by the use of an eleocharis tuberose peel extracting solution; soaking the cistanche slices in a coix seed water extract until the cistanche slices are transparent; draining water, and drying until moisture is 10-15%; and simmering the slices with yellow rice wine at normal pressure so as to obtain cistanche slices. By soaking cistanche with the amphipathic coix seed water extract to be transparent and simmering with yellow rice wine, active ingredients of the amphipathic coix seed water extract absorbed in cistanche interact with yellow rice wine, so as to solubilize active ingredients in the cistanche and effectively reduce loss of active ingredients in the cistanche.

The invention discloses a mixed herbicide containing glyphosate and bispyribac-sodium, belonging to the technology field of pesticides. The herbicide takes glyphosate and bispyribac-sodium as main effective ingredients, wherein the mass ratio of glyphosate to bispyribac-sodium is (80-98):(0.1-10). The invention also discloses application of the mixed herbicide to post-emergence weeding in a paddy field. The mixed herbicide has wide weeding spectrum through mixture of weed killers, so as to improve the weeding effect; the mixed herbicide has the advantages of having quick effect, long lasting period, thorough weeding effect, low residue, low toxicity, safety, environment protection and the like and having capability of delaying pesticide resistance of the herbicide, and has prominent prevention and control effect on grassy weeds, broad leaf weeds, sedge weeds in the paddy field such as barnyard grass, leptochloa chinensis, difformed galingale herb, Eleocharis yokoscensis, Sagittaria pygmaea, Rotala indica and Marsilea quadrifolia, and therefore, the mixed herbicide is high-quality post-emergence chemical herbicide.

The invention discloses green fertilizer for roxburgh rose trees and a preparation method thereof. The fertilizer comprises, by weight, 10-20 parts of sepiolite powder, 120-130 parts of cotton seed cake, 60-70 parts of castor cake, 80-90 parts of cattle and goat manure, 35-45 parts of corn straw ash, 50-55 parts of peanut shell powder, 20-30 parts of phosphogypsum powder, 30-40 parts of ryegrass, 70-80 parts of Caldesia reniflrmis, 55-65 parts of Eleocharis yokoscensis, 25-35 parts of eleusine indica, 15-20 parts of EM microbial agent, 25-30 parts of urea, 50-60 parts of monoammonium phosphate, 35-45 parts of potassium nitrate, 5-15 parts of zinc sulfate, 40-50 parts of soil conditioner and an appropriate amount of water. The fertilizer has the advantages that the fertilizer comprises inorganic fertilizer, the microbial agent and organic fertilizer, the nutrients of the fertilizer are perfected, the fertilizer adsorption and conversion of the roxburgh rose trees are promoted, fertilizer utilization efficiency is increased, soil quality is improved, soil fertility is improved, environment pollution caused by the fertilizer can be reduced, and the fertilizer is low in production cost, simple in process, convenient to use and good in economic and environment benefits.

The invention provides a novel integrated machine for harvesting shallow-water young seedlings of eleocharis dulcis. The integrated machine comprises a control platform, an engine, a collecting cylinder, a roller chain conveying belt and a seedling cleaning drum; the control platform is provided with the collecting cylinder and a bracket, the lower portion of the control platform is provided withwalking devices, and the collecting cylinder is provided with the roller chain conveying belt; an eleocharis dulcis digging device is arranged in front of the lower end of the roller chain conveying belt, and a seedling root pulling conveying device is arranged in front of the eleocharis dulcis digging device; the bracket is provided with a conveying belt; the belt conveying belt is located between the roller chain conveying belt and the seedling root pulling conveying device; the seedling cleaning drum is arranged in front of the seedling root pulling conveying device; a seedling cutter is arranged in front of the seedling cleaning drum, and the engine provides power input. Through the structural design of the integrated machine, eleocharis dulcis can be effectively harvested, cleaned andconveyed, the labor intensity is low, and the production effect is high.

The invention relates to herbicide composition containing effective ingredients including metamifop and cafenstrole in the weight ratio being (15:1)-(1:15) and used for a rice paddy field. The herbicide composition acts on annual and perennial grassy weeds including barnyard grass, crab grass, eleusine indica or reed in the rice paddy field, on annual and perennial cyperaceae weeds including Scirpus juncoides Roxb, Eleocharis yokoscensis or Cyperus rotundus in the rice paddy field and also on annual and perennial broadleaf weeds including false loosestrife, sagittaria pusilla, Rotala indica or monochoria vaginalis in the rice paddy field. The herbicide composition has a remarkable synergistic effect, the control effect of the composition is improved to a certain degree while compared with that of a single agent, the use dosage of pesticides is reduced, and the pesticide use cost and the impact risk of the pesticides to the ecological environment are reduced.

The invention provides a Chinese herbal preparation for treating thoracolumbar vertebral fracture and a preparation method of the Chinese herbal preparation. The Chinese herbal preparation comprises the following raw herbal materials: crystal flower, walking spleenwort, calogyne pilosa R. Brown, seeds of ilex cornuta Lindl. ex Paxt., eleocharis yokoscensis, cyathula prostrata blume, elaeagnus angustifolia gum, goat's blood, stem of humata ropens (L. f.) Diels, lemmaphyllum carnosum, Jasminum cinnamomifolium Kobuski, cudrania tricuspidata fruit, wistaria root, acer truncatum, anemone hupehensis lemoine, citronella, root of ixora chinensis Lam., and pilea plataniflora C. H. Wright. The Chinese herbal preparation and the preparation method have the advantages that the Chinese herbal preparation is safe and convenient to use; the curative effect is good; toxic and side effects are avoided; the preparation technology is simple.

The invention relates to a preparation method of an eleocharis tuberosa flavored additive. The preparation method comprises the following steps: (1) taking fresh eleocharis tuberosa flesh which is abundant in flesh, cleaning the taken eleocharis tuberosa flesh with water of which the temperature is lower than or equal to 30 DEG C, and smashing the cleaned eleocharis tuberosa flesh to obtain eleocharis tuberosa pulp; (2) taking 1 part of the eleocharis tuberosa pulp, adding distilled water of which the weight is 1-2 times of that of the eleocharis tuberosa pulp, then adding an enzyme preparation of which the mass is 0.05-0.1% of that of the eleocharis tuberosa pulp, performing medium-and-low-intensity stirring and leaching under the condition of temperature being lower than or equal to 30 DEG C for 2-3 hours, and taking filtrate; (3) performing vacuum microwave drying under the condition that the temperature is maintained to be lower than or equal to 40 DEG C until powder blocks are obtained; and (4) performing nanometer mechanical pulverization on the powder blocks so as to obtain powdery products of 200-400 nanometers. The eleocharis tuberosa flavored additive prepared by the preparation method disclosed by the invention can be used as an additive for various foods, low-temperature drying is performed by a vacuum microwave drying method, nutrient components and health-care functions of the eleocharis tuberosa flesh are preserved in the products, and the products are powdery, so that the products are convenient to use.

The invention discloses a detergent and a method for preparing the same. The detergent is mainly made of raw materials including, by weight, 40-60 parts of potato peel extract liquid, 10-30 parts of tea saponin, 5-20 parts of tea polyphenols, 1-10 parts of eleocharis tuberosa peel and herba taraxaci extract liquid and 0.5-2.5 parts of thickening agents. The method includes raw material treating, mixing, gelatin cooking and blending so as to obtain the finished detergent. The detergent and the method have the advantages that the detergent is mainly made of agricultural and sideline waste, accordingly, waste can be turned into wealth, and resources can be comprehensively utilized; excellent washing effects of the detergent can be realized by the aid of the tea saponin and potato peel extract among the raw materials; excellent antibacterial, mildew-proof and disinfection effects and the like of the detergent can be realized by the aid of the tea polyphenols and eleocharis tuberosa peel and herba taraxaci extract.

The invention discloses an indoor air purifier of pure plant extracts. The indoor air purifier contains natural pure plant extracts and ingredients and is prepared from the following raw materials: the natural pure plant extracts comprise 20-26 parts of eleocharis tuberose peel, 3-6 parts of gleditsia sinensis, 5-8 parts of green tea and 2-5 parts of licorice; and the ingredients comprise 1.2-1.5parts of zingiberone, 0.3-0.8 part of zingiberol, 0.1-0.3 part of plant essence, 0.2-1.2 parts of phellandrene, 0.9-1.2 parts of geraniol and additives. The nanometer Ag-carrying antibacterial agent silver preparation has good antibacterial performance; eleocharis tuberose peel, gleditsia sinensis, green tea, licorice and other natural plants can undergo complexation or absorption, adsorption andother complex actions with gases of thermal spring so as to achieve the purpose of purifying and refreshing the air; green tea also has bactericidal effect; a modified bentonite formaldehyde adsorbentcan have the effect of purifying formaldehyde; and zingiberone, zingiberol, plant essence, phellandrene and geraniol can react with odor molecules after being mixed so as to achieve the purpose of deodorization.

The invention discloses a paddy direct sowing field ternary weeding composition. Effective components of the weeding composition are composed of anilofos, simetryne and mesotrione. The mass ratio of the anilofos to the simetryne to the mesotrione is 10-30:10-30:1-10. The paddy direct sowing field weeding composition has the synergism, is mainly used for being sprayed about ten days after paddy direct sowing field transplanting, and preventing and removing barnyard grass, moleplant seeds and other gramineous weeds prevailing in the paddy direct sowing field and can also be used for preventing other rotala indica, monochoria vaginalis, euphorbia helioscopia and other broad leaf weeds and eleocharis yokoscensis, cyperus difformis and other cyperaceae weeds. The paddy direct sowing field ternary weeding composition has the beneficial effects of being high in weeding activity, wide in herbicide controlling spectrum and convenient to use, safety is achieved for paddy, and the paddy direct sowing field ternary weeding composition belongs to an environment-friendly weed killer.

The invention belongs to the field of daily chemical products and relates to a lipstick for preventing lip chapping and its preparation method. The lipstick is made from following materials in parts by weight: a shark liver oil 4-8 parts, a snake oil 6-10 parts, a lecithin 3-9 parts, olive oil 10-20 parts, Psidium guajava 10-18 parts, Eleocharis tuberosa 8-18 parts, Butyrospermum Parkii 6-14 parts, Yanzhi radish 6-14 parts, beeswax 10-20 parts, jasmine essential oil 0.1-0.4 part, and a traditional Chinese medicine additive 3-7 parts, wherein the traditional Chinese medicine additive is made from following medicinal materials: Radix Trichosanthis, Rhizoma Belamcandae, Rhizoma Pinelliae, Rhizoma Sparganii, Semen Benincasae, Radix Arnebiae, Rosmarinus officinalis, Borneolum Blumeae, Herba Myriaceis nepalensis, Radix Hamamelidis, and Radix Ginseng. The lipstick can nourish lip skin, preserve moisture, inhibit bacteria and resist oxidization, can also prevent lip chapping, is edible, ensuring oral hygiene and has no toxic or side effect in long-term consumption.

The invention discloses an herbicidal composition of a paddy field. The herbicidal composition contains active ingredients of a component A and a component B. The component A is metamifop. The component B is benthiocarb or molinate. A mass ratio of the component A to the component B is 1-40: 10-90. The herbicidal composition produces synergism, is mainly used for removing annual weeds in a direct seeding rice field or a transplanted field, is used for preventing and removing gramineous weeds such as barnyard grass and moleplant seed lushly growing in the direct seeding rice field, broadleaf weeds such as Rotala indica, duck tongue and wartwort, and cyperus weeds such as Eleocharis yokoscensis and cyperus difformis. The herbicidal composition has the characteristics of high herbicidal activity, wide herbicide spectrum and convenient use, is safe for rice and is an environment-friendly herbicide.

The invention discloses a weeding composition containing fenoxsulfone. The weeding composition comprises the following active ingredients: fenoxsulfone and pretilachlor, or fenoxsulfone and butachlor.The weeding composition disclosed by the invention can be used for effectively preventing and removing various annual and perennial weeds at one time, has very high selectivity on rice and barnyard grass, and shows a special effect on weeds such as barnyard grass, moleplant seeds, digitaria sanguinalis, monochoria, eleocharis yokoscensis, Cizao (a kind of alga) and scirpus juncoides which are difficult to remove in a paddy field. The weeding composition disclosed by the invention has a good synergistic effect, the application effect of the weeding composition is obviously superior to the sumof theoretical effects of the single agents, a super-superposition effect is obtained, and the harm of dominant weeds can be better controlled; in addition, the weeding composition reduces the use amount of chemicals, is reduced use cost and environmental pollution, and has improved safety to crops.

The invention discloses a bentazone-containing three-component herbicidal composition used for a rice direct sowing field. The herbicidal composition includes active ingredients, and the active ingredients refer to cyhalofop-butyl, bentazone and pyribenzoxim at a mass ratio of (1-20):(10-50):(1-10). The herbicidal composition used for the rice direct sowing field has a synergistic effect, and is mainly sprayed in the rice direct sowing field about 10 days after rice plants are transplanted so as to control barnyard grass, leptochloa chinensis and other gramineous weeds which grow vigorously in the rice direct sowing field and also control rotala indica, monochoria vaginalis, euphorbia helioscopia grass and other broadleaf weeds and eleocharis yokoscensis, difformed galingale herb and other cyperaceous weeds. The herbicidal composition has the advantages of being high in herbicidal activity, wide in herbicide controlling spectrum, convenient to use and safe to the rice plants.

The invention relates to a method for storage and preservation of fresh-cut lettuce. The method includes step (1) of cleaning: removing soil on the surface of the lettuce and then washing the lettucewith water; step (2) of sterilization: sterilizing the lettuce with a bactericide; step (3) of airing: airing the washed lettuce; step (4) of peeling and slicing: peeling the lettuce and removing leaves of the lettuce, cutting the lettuce into slices, and cleaning the lettuce with clear water; step (5) of soaking: placing the peeled lettuce in a mixed solution containing citric acid, malic acid and eleocharis tuberose peel for soaking; step (6) of film application: coating the fresh-cut lettuce with chitosan; and step (7) of vacuum packaging: packaging the fresh-cut lettuce blown dry in a vacuum packaging machine in 20 min to obtain the finished product. By applying the preservation technology, under the storage conditions at 10 DEG C, the lettuce is still good in appearance, color and taste in 25 d, and no browning occurs.

The invention discloses a method for preparing lactic acid bacteria feed additive by using eleocharis tuberosa starch wastewater. The method is characterized by adopting the direct lactic acid bacteria agent of which the strain is lactobacillus plantarum as the initial strain, and comprising the following step of: carrying out the two-stage amplification, wherein the amplification condition is to seal at the natural environment temperature and stay the night, the rate of the first-stage volume to the amplification proportion is 1:5000-10000, and the rate of the second-stage volume to the amplification proportion is 1:4-9; performing in-series continuous fermentation; and obtaining the lactic acid bacteria feed additive after fermenting for 10 hours. According to the invention, the raw material is easily available, heat treatment during the production is not needed, and sterilization and preservation operations are not needed, so that a large amount of energy can be saved, the cost can be reduced, discharge of wastewater is avoided, the process is environmental-friendly, and the industrial production can be smoothly achieved.

The invention relates to a botanical fresh-cut eleocharis tuberosa yellowing inhibitor which comprises the following components in percentage by mass: 3% of a rice bran extract, 5% of ethanol and the balance of water, wherein the total percentage by mass is 100%. A preparation method of the yellowing inhibitor comprises the following steps: (1) drying, crushing and sieving rice bran; (2) adding the sieved rice bran to water, and performing ultrasonic extraction to obtain supernatant; (3) microwave-drying the supernatant in vacuum to obtain the rice bran extract; and (4) dissolving the rice bran extract in 5% aqueous ethanol solution to obtain the fresh-cut eleocharis tuberosa yellowing inhibitor. An application method of the yellowing inhibitor comprises the following steps: soaking fresh-cut eleocharis tuberosa with the yellowing inhibitor for 5-10 min; and then sealing with preservative films for storage. The botanical fresh-cut eleocharis tuberosa yellowing inhibitor provided by the invention has no pollution and toxicity, can significantly delay yellowing of eleocharis tuberosa, and keeps the fresh-cut eleocharis tuberosa bright white for more than 15 days.

The invention discloses a method for extracting aureusidin from eleocharis tuberosa peels, and belongs to the field of natural organic chemistry. The method is characterized by comprising the following steps: taking any one of methanol aqueous solution, ethanol aqueous solution and acetone aqueous solution as the solvent, extracting aureusidin from eleocharis tuberosa peels, separating the extract with macroporous adsorption resin after extraction with ethyl acetate, and purifying the obtained crude products with a gel chromatography column to obtain aureusidin products with the purity of above 95%. According to the method for extracting aureusidin from eleocharis tuberosa peels, a large number of waste eleocharis tuberosa peels are used as the raw materials for preparing aureusidin, so that the waste eleocharis tuberosa peels are recycled, and a new approach to extract and separate aureusidin from natural plants is provided; the separation effect is good; the purity of products is high; the selected macroporous resin and gel can be used repeatedly; the method has the advantages of accessible raw materials, abundant resources and low production cost, can perform large-scale production, and can meet requirements of the pharmaceutical industry.

The invention discloses an eleocharis dulcis efficient planting fertilizer and an eleocharis dulcis planting method. The planting fertilizer is prepared from, by weight, 15-25 parts of bran, 15-25 parts of ground phosphate rock, 15-25 parts of chicken-duck manure, 15-25 parts of cow dung, 15-25 parts of pig manure, 15-25 parts of plant ash, 6-10 parts of wheat bran, 8-15 parts of biogas residue, 7-12 parts of straw ash, 6-10 parts of bagasse, 6-12 parts of potato starch, 7-15 parts of glucose, 3-7 parts of nitrogen phosphorus potassium compound fertilizer and 3-5 parts of vermiculite powder. The eleocharis dulcis efficient planting fertilizer contains the nitrogen phosphorus potassium fertilizer and contains rich organic fertilizer, provides nutrition to rhizome of eleocharis dulcis and promotes growth of eleocharis dulcis, so that eleocharis dulcis is excellent in quality; the rich organic fertilizer enables fertility of soil to be enduring, and especially, various manure, the plant ash, the wheat bran, the biogas residue, the straw ash and the bagasse can provide a good environment for eleocharis dulcis planting for a long time.

The invention discloses an organic crop rotation cultivation method of autumn solanum melongena, pisum sativum, early oryza sativa and eleocharis dulcis, and relates to the technical field of crop rotation cultivation. The organic crop rotation cultivation method comprises the following steps of (1) selecting proper places for establishing organic cultivation and production bases; (2) selecting proper varieties; (3) using a crop rotation mode of sequentially cultivating the early oryza sativa, the autumn solanum melongena and the pisum sativum in the first year, and sequentially cultivating the early oryza sativa and the eleocharis dulcis in the second year, wherein a crop rotation cycle is 2 years; and (4) performing crop rotation cultivation of organic solanum melongena, pisum sativum, early oryza sativa (the early oryza sativa is cultivated once each year in one crop rotation cycle), and the eleocharis dulcis according to the quality requirements and the production technical specification of organic agriculture products, and enhancing soil fertility through returning straw to fields and wet composting of organic fertilizers. The organic crop rotation cultivation method is high in practicality and operability, can be popularized and applied in the middle and lower reaches of Yangtze river, and has good social benefits, economic benefits and ecological benefits.