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Plant source fruit and vegetable fresh-keeping agent and its preparation method
InactiveCN101305747AGood fresh-keeping effectImprove fruit rateFruit and vegetables preservationPlant SourcesPathogenic bacteria
The invention discloses a vegetable source fruit-vegetable fresh-keeping agent, which is prepared from 4-6% of cinnamon essence, 1-2% of chitosan, 1-2% of CaCl2, 10-12% of emulsifier, 12-16% of solvent, and water in balancing amount, and the total amount of the raw material is 100%. The fresh-keeping agent has good fresh-keeping effect and is applied by mixing with water and coating film. The agent has good inhibiting effect on pathogenic bacteria which easily appears during the storage process of the picked fruits and vegetables, and also has a certain inhibiting effect on rottenness of the picked fruits and vegetables. The vegetable source fruit-vegetable fresh-keeping agent has the advantages of simple processing technology and low cost, follows the developing direction of the current fresh-keeping agent, and has good development and application potentials.
Owner:馥稷生物科技发展(上海)有限公司
Functional fruit and vegetable preservative containing arginine
InactiveCN103109924AGood fresh-keeping effectImprove fruit rateFruits/vegetable preservation by coatingBiotechnologyVitamin C
The invention discloses a functional fruit and vegetable preservative containing arginine. The preservative consists of the components of the arginine, vitamin C, CaC12, salicylic acid, citric acid, water and film-forming agent chitosan; a layer of thin film with gas selection permeability can be formed on the surface of a fruit or a vegetable after the raw materials are treated, so that the breathing intensity and the transpiration reaction of the fruit or the vegetable can be effectively reduced, and a fruit or vegetable system can be induced to be resistant; pathogenic bacteria can be well suppressed in the fruit or vegetable storage process; and the functional fruit and vegetable preservative is suitable for storage and refreshing of various fruits and vegetables. The preservative is simple in technology, relatively low in cost and convenient to use, is safe and reliable and is rich in arginine, the vitamin C and calcium, so that the nutrition effect and the health protection effects on the fruits and the vegetables can be enhanced; the current fruit and vegetable preservative development direction can be met; and the high development and application potential can be realized.
Owner:SHANDONG UNIV OF TECH
General convertor based on the mixed switch
InactiveCN101056070AObvious price advantageLow costEfficient power electronics conversionAc-dc conversionPower factorNew energy
The present invention provides a universal convertor based on a mixed type switch. The convertor circuit which is adapted to form a series of new switch power supply convertors almost having no energy saving ability only adopts a spot of all-controlled switches, and common thyristors. Devices derived from the present invention are: a reactive power compensator of electrical power grid, an active electric power filter, a sine inverter, a quasi-square wave inverter, an AC-DC transducer working in four quadrants, a bidirectional AC-DC-AC sine wave transducer, controllable rectifier having a power factor approximating to 1 and the content of harmonic wave approximating to 0, etc. The universal convertor can be applied widely in the fields of power supply of electric automobile, frequency and speed control, electric traction, uninterruption power sources, new energy convertor, electrochemistry power supply, medium frequency power supply, electrical energy quality improvement of electric power system. The device in the present invention has advantages of excellent electric property, reduced material cost, volume and weight, harmonic waves that are almost eliminated comparing to the common technology, and has a high value of application and generalizing.
Owner:杭州迪源电气科技有限公司
Trichoderma harzianum strain and application thereof
The invention discloses a trichoderma harzianum strain and application thereof. The trichoderma strain is a trichoderma harzianum strain Hb13-3-2 CGMCC No. 13163. The strain and metabolites thereof have broad-spectrum activities of inhibiting pathogenic fungi. The contrast growth experiment proves that the trichoderma harzianum strain has the capacity of resisting red root pathogenic bacteria of rubber trees, colletotrichum gloeosporioides and other pathogenic bacteria, and further has the effects of controlling multiple other pollution microbes and promoting growth of rubber seedlings. Therefore, the trichoderma harzianum strain can be immediately applied to the cultivation process of the rubber trees at the seedling stage, healthy growth of the rubber seedlings is promoted, and occurrence of rubber tree root diseases can be shielded or inhibited.
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
Strawberry anti-staling agent
InactiveCN103478235AExtended shelf lifeImprove product valueFruit and vegetables preservationGymnemic acidMalic acid
The invention relates to a strawberry anti-staling agent. The strawberry anti-staling agent is characterized by comprising the main components: 0.1-0.5 g / L malic acid, 0.01-0.05 g / L rosemary acid, 0.1-0.5 g / L lentinan, 5-10 g / L chitosan, and the balance of water. The preparation method includes the steps that firstly, the malic acid and the rosemary acid are dissolved into water, then, the lentinan and the chitosan are added sequentially, the balance of water is supplemented, and strawberries are soaked or coated with the anti-staling agent for 1-3min. After the anti-staling agent is dried, the good anti-staling effect of the strawberries is achieved, the storage period and the shelf life are prolonged, and the strawberry anti-staling agent has good application prospects.
Owner:NANJING TONGZE AGRI SCI & TECH
Plant-source fresh medlar preservative and preparation method thereof
ActiveCN103766481AReduce bad fruit rateGuaranteed appearanceFruits/vegetable preservation by coatingGlycerolPlant Sources
The invention discloses a plant-source fresh medlar preservative. Effective components of the prepared plant-source fresh medlar preservative are composed of following raw materials: 0.2%-0.5% of a lotus leaf extractive, 0.5%-0.8% of water-soluble starch, 0.5%-0.8% of konjak gulcomannan, 0.2%-0.5% of sodium alginate, 0.5%-1% of CaCl2, 0.5%-1% of glycerol, 0.2%-0.5% of an emulsifying agent, 0.5%-1% of a solvent and the balance being water. The plant-source fresh medlar preservative has a good preservation effect; the preservative is blended with water to be used for coating, has a very good inhibition effect on pathogenic bacteria which easily appear in a storage process after fruits and vegetables are harvested, and also has a certain inhibition effect on postharvest rotting of medlar; the plant-source fresh medlar preservative has a very good preservation effect on the harvested medlar; the processing process is simple and the cost is low; the developing direction of a current preservative is met and the plant-source fresh medlar fruit preservative has a very good development and application potential.
Owner:NORTHWEST A & F UNIV
Botanical antiviral agent and its prepn
InactiveCN101019558AImprove biological activityImprove disease resistanceBiocideDisinfectantsPlant rootsNicotiana tabacum
The present invention discloses one kind of botanical antiviral agent with effective components prepared with purslane, licorice and isatis root and assistant. The botanical antiviral agent has high bioactivity, and is sprayed to plant leaf or irrigated to plant root after being diluted with water to prevent and treat plant viral disease. Test shows that it has excellent effect of preventing and treating viral disease of tomato, chili, pumpkin, tobacco, etc, capacity of raising the yield and quality of agricultural products, no toxicity to human body and animal, no residue, simple preparation process and low cost.
Owner:馥稷生物科技发展(上海)有限公司
Melon and fruit antiseptic and fresh-keeping agent, preparation method thereof and melon and fruit storage method
PendingCN111374178AImprove solubilityImprove mixed antibacterial abilityNatural extract food ingredientsFruits/vegetable preservation by coatingBiotechnologyCamellia oleifera
The invention discloses a melon and fruit antiseptic and fresh-keeping agent. The antiseptic and fresh-keeping agent comprises the following raw materials: 0.04%-0.1% parts of scutellaria baicalensisextract, 0.1%-0.15% parts of clove oil, 0.04%-0.1% parts of cinnamon oil, 0.05%-0.1% parts of saponin extract, 0.15%-0.2% parts of patchouli oil, 0.15%-0.2% parts of calamus oil, 0.3%-0.5% parts of camellia meal extract, 1.3%-5.5% parts of emulsification thickener, 2.3%-7% parts of other additives, the balance water, and the total amount of raw materials is 100%. The invention also discloses a kiwi fruit antiseptic and fresh-keeping agent, a preparation method thereof and a melon and a melon and fruit storage method. The raw materials of the plant-derived antiseptic and fresh-keeping agent ofthe present invention are all plant-derived extracts, without any chemical organic reagents, and have good antiseptic and fresh-keeping effect. After being mixed with water, the agent can be used to form a film on the surface of fruits and vegetables to inhibit the growth of pathogenic bacteria. At the same time, the film can reduce and inhibit the physiological metabolism of the fruit after harvest, thereby improving the quality of the fruit, and extending shelf life.
Owner:HUNAN AGRICULTURAL UNIV
Storing and freshness keeping method for cassava
InactiveCN106212662ABeautiful appearanceEasy to storeFood ingredient as encapsulating agentFruits/vegetable preservation by coatingWaxProchloraz
The invention relates to the technical field of cassava freshness keeping, and discloses a storing and freshness keeping method for cassava. The method comprises the following steps of 1 harvesting; 2 cleaning; 3 soaking, wherein soaking treatment is conducted through a prochloraz solution with the dilution multiple of 300 to 700; 4 wax sealing; 5 storing. According to the storing and freshness keeping method for the cassava, the technology of combining sterilizing with wax sealing is adopted, easiness, convenience and practicability are achieved, and physiological deterioration generated after cassava harvesting is significantly controlled; cassava treated through the storing and freshness keeping method and untreated cassava are taken to be observed under the conditions that the average temperature is 18.0 DEG C and the average humidity is 70.0%, it shows that the storage time of a cassava sample stored through the method reaches 51 days, the cross section of a cassava tuber still keeps the original color and luster in the observation period, no postharvest physiological deterioration is generated, and commodities treated through freshness keeping are attractive in appearance; the method has the good development and application potential in the links of cassava storing, transporting, selling and the like.
Owner:广西作物遗传改良生物技术重点开放实验室
Application of athomin to fruit and vegetable freshness preservation
InactiveCN105192057AKeep freshGood for weight lossFruit and vegetables preservationEmulsionAdditive ingredient
The invention discloses the application of athomin to fruit and vegetable freshness preservation. According to the application, athomin serves as the main ingredient, addition agents are added, and emulsion in water or a soluble liquid preparation or a microcapsule preparation is prepared; a preparation is prepared from 1%-20% of athomin extract, 0.1%-2% of chitosan oligosaccharide, the various addition agents and the balance water, wherein all raw materials sum up to 100%. Fruit and vegetable plant source preservative prepared through the method is good in freshness preservation effect, the preservative is applied through water blending and coating, pathogenic bacteria easy to appear in the storage process after fruits and vegetables are harvested can be well inhibited, the harvested fruits and vegetables can be inhibited from decaying to a certain degree, the freshness of the harvested fruits and vegetables can be well preserved, the processing technology is simple, the cost is low, the preservative conforms to the current preservative development direction, and good development and application potentiality is achieved.
Owner:HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
Cold-resistant preservative for cold-sensitive fruits and vegetables after being harvested and application technology thereof
InactiveCN103125589AImprove cold resistanceReduce chilling damageFruit and vegetables preservationChilling injuryIce water
The invention discloses a cold-resistant anti-corrosion preservation technology for cold-sensitive fruits and vegetables after being harvested, and particularly relates to a cold-resistant preservative for cold-sensitive fruits and vegetables after being harvested and a preservation method thereof. The preservative disclosed by the invention comprises methyl jasmonate (2.0-10.0mg / L) and a mixed solution, wherein the mixed solution is an ice water solution containing salicylic acid, ascorbic acid, CaCl2 and an active agent Tween 80. The preservation method comprises the steps of firstly, carrying out sealed fumigation on the cold-sensitive fruits and vegetables for 12 hours by jasmonic acid methyl ester at room temperature, soaking and carrying out cold shock on the fruits and vegetables for 1 hour in the ice water mixed solution, taking out the fruits and vegetables and airing the surface water. The cold-resistant preservative does not generate obvious symptoms of chilling injury after being placed for two weeks in an environment at 0-4 DEG C; corruption mildew and quality drop of the fruits and vegetables stored in the environment at room temperature and proper low temperature can be effectively restrained; and the refreshing time is obviously prolonged.
Owner:SHANDONG UNIV OF TECH
Pseudomonas capable of oxidizing antimony and arsenic and application of pseudomonas
ActiveCN111676165AImprove tolerancePromote bioremediationBacteriaWater contaminantsMicroorganismSoil science
The invention belongs to the technical field of microorganisms, and particularly relates to pseudomonas capable of oxidizing antimony and arsenic and application of the pseudomonas. A pseudomonas strain is separated and screened from antimony-polluted soil in a stannary in Lengshuijiang City, Hunan Province and has efficient antimony and / or efficient arsenic oxidation performance; bacteria can still survive in a solution and soil with high antimony content and / or arsenic content, has relatively good antimony tolerance and arsenic tolerance and has excellent antimony arsenic oxidability and / orarsenic oxidability after being tested, so that an important foundation is laid for development of a technique for removing antimony and / or arsenic through adsorption of the microorganisms. Meanwhile,the strain combined with Fe<3+> has a good improvement effect, the oxidizing efficiency of the strain can be improved, and the strain has good development and application potentialities.
Owner:HUNAN UNIV OF SCI & TECH
Light/temperature double sensitive hydrogel and preparation method thereof
The invention discloses a light / temperature double sensitive hydrogel and a preparation method thereof, wherein the temperature sensitive part of the hydrogel is obtained by introducing hydroxybutyl into a chitosan molecular chain (Patent No. 201110214776.X), and the free amino group of hydroxybutyl chitosan and the epoxy group of glycidyl methacrylate are subjected to a ring-opening reaction to introduce a photosensitive group so as to obtain the photosensitive part. According to the present invention, the methacrylylated hydroxybutyl chitosan hydrogel is in a solution state at a low temperature, can be subjected to flowing injection, and can form a hydrogel within 1 min when a temperature is raised to around 37 DEG C; a photoinitiator is added into a prepolymer solution, the obtained solution is exposed to ultraviolet light, and the photoinitiator generates free radicals to initiate methacryloyl-substituted chain polymerization, such that the strength of the gel is significantly enhanced; and the light / temperature double sensitive hydrogel has good application prospects in the fields of tissue engineering scaffolds or drug sustained-release delivery and the like.
Owner:OCEAN UNIV OF CHINA
Biological source strawberry preservative
InactiveCN103461474AExtended shelf lifeIncrease valueFruit and vegetables preservationPreservativeArginine
The invention relates to a biological source strawberry preservative. The biological source strawberry preservative is characterized by comprising the following main components: 0.1-0.5g / L of wood vinegar, 0.2-0.5g / L of glutamic acid, 0.2-0.5g / L of arginine, 0.1-0.5g / L of ascorbic acid, 5-10g / L of chitosan and the balance of water. A preparation method comprises the following steps: firstly dissolving the ascorbic acid in water, further sequentially adding the chitosan, the wood vinegar, the glutamic acid and the arginine and the balance of water. By using the preservative to soak or coat strawberry fruits for 1-3 minutes, the preservative has a better preservative effect on strawberries after airing, can prolong the storage period and the shelf life and has good application prospects.
Owner:NANJING TONGZE AGRI SCI & TECH
Plant source mosquito incense synergistic agent
InactiveCN101558769AGood synergyWide variety of sourcesBiocideAnimal repellantsCinnamomum camphoraPlant Sources
The invention discloses a plant source mosquito incense synergistic agent; the prepared plant source mosquito incense synergistic agent is composed of the following active ingredient raw materials according to the weight percentage: 30-50% of winter-green oil, 10-35% of cinnamomum camphora oil, 6.5% of emulsifying agent and 10-53.5% of solvent; the sum of percentage of the above materials is 100%.The plant source mosquito incense synergistic agent can compose a synergistic pesticide composition together with the pesticide variety to formulate mosquito incense liquid to be coated onto the mosquito incense briquette and made into mosquito incense. Proved by experiments, the synergistic pesticide composition composed of the plant source mosquito incense synergistic agent and the pesticide variety has an excellent synergism for the pesticide variety, and has wide source, high efficiency and low toxicity, is environment-friendly and has good exploration application potential.
Owner:SHENZHEN FJ BIOTECH
Plant source fruits and vegetables deoxidization antistaling agent and preparation method thereof
InactiveCN101313696AGood fresh-keeping effectImprove fruit rateFruit and vegetables preservationBiotechnologyPlant Sources
The invention discloses a botanic fruit and vegetable fresh-keeping agent, which is characterized in that: the effective constituents of raw materials in percentage by weight of the fresh-keeping agent are: 2 to 4 percent of clove leaf oil, 1 to 2 percent of chitosan, 1 to 2 percent of CaCl2, 10 to 12 percent of emulsifying agent, 12 to 16 percent of solvent and the balance being water. The botanic fruit and vegetable fresh-keeping agent has excellent preserving effect, and can well inhibit pathogenic germs easily appearing during storing picked fruit and vegetable when used after watered coating treatment; moreover, the fresh-keeping agent can also inhibit the rot of picked fruit and vegetable to a certain degree; meanwhile, the fresh-keeping agent has simple manufacturing process and low cost, and accords with the current developing direction of fresh-keeping agent, thereby having enormous development and application potential.
Owner:HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
ChromobacteriumpseudoviolaceumkwkjT4 biocontrol strain and application thereof
Owner:HUNAN UNIV OF SCI & TECH
High-power magnetic fluid power generator system for wind power generation
InactiveCN102146883AReduce weightImprove power generation efficiencyWind motor combinationsMachines/enginesCore componentEngineering
The invention provides a magnetic fluid power generator system for wind power generation, which comprises a wind impeller and a magnetic fluid power generator, wherein the magnetic fluid power generator comprises a magnet capable of generating a magnetic field, magnetic conductive fluid, a fluid passage and a control system; and the magnetic conductive fluid of the magnetic fluid power generator can be liquid metal such as liquid gallium or alloy of gallium. The power generator system adopts a novel magnetic fluid power generator as a core component for converting the wind energy into the electric energy and simultaneously eliminates a heavy gear box structure, so that the weight of the power generator system is lightened, the power generation efficiency and the operating reliability of the entire magnetic fluid power generator system are greatly improved, and the power of the wind power generator is favor of being improved to dozens to hundreds of Class MW (Million watts). Therefore, the magnetic fluid power generator system has huge potential of application development.
Owner:李希南
Fruit and vegetable fresh-keeping agent containing trans-2-hexenoic acid, and application of fruit and vegetable fresh-keeping agent
InactiveCN109105478AMaintain qualityKeep the lookFruit and vegetables preservationNatural extract food ingredientsFlavorNational standard
The invention discloses application of a fresh-keeping agent containing trans-2-hexenoic acid to fresh-keeping of fruits and vegetables, which is specific to preservation and fresh-keeping in the postharvest storage and transport process of the fruits and vegetables, and relates to the technical field of fresh-keeping of fruits and vegetables. Specifically, by using trans-2-hexenoic acid as the fruit and vegetable fresh-keeping agent, the fresh-keeping time of the fruits and vegetables such as strawberries, grapes, tomatoes in the storage process is prolonged, the rotting rate and nutrient loss are reduced, and the quality and appearance of the fruits and vegetables are kept. The used trans-2-hexenoic acid is a substance existing naturally in plants and meanwhile is also a flavoring substance permitted in the national standard, by using the trans-2-hexenoic acid as the fresh-keeping agent, the natural, safe, environment-friendly and convenient requirements are met, and the fresh-keeping agent has good development and application potentiality.
Owner:HENAN UNIVERSITY OF TECHNOLOGY
Simulated rocket multi-output experiment device
InactiveCN111554167AImprove powerIncrease flexibilityEducational modelsMotor speedElectric machinery
Owner:XI AN JIAOTONG UNIV
Botanical fresh keeping agent for fruits and vegetables, and preparation method thereof
ActiveCN102726511BGood fresh-keeping effectImprove fruit rateFruits/vegetable preservation using acidsFruits/vegetable preservation using sugarsSalvia miltiorrhizaSalicylic acid
The invention discloses a botanical fresh keeping agent for fruits and vegetables. The botanical fresh keeping agent for fruits and vegetables is prepared from effective components comprising the following raw materials: 0.1-20% of a Salvia miltiorrhiza ethanol extract, 0.1-2% of a chitosan oligosaccharide, 6-12% of salicylic acid, 1-15% of an emulsifier, 0-20% of a solvent, and the balance water, wherein the sum of percentages of the raw materials is 100%. The botanical fresh keeping agent for fruits and vegetables prepared in the invention has a good fresh keeping effect, is used through adding water and coating, has a very good inhibition effect on pathogens easily appearing in the storage process after the fruit and vegetable picking, has a certain inhibition effect on picked fruit and vegetable rot, has a very good fresh keeping effect on the picked fruits and vegetables, and has the advantages of simple processing technology, low cost, and according with present fresh keeping agent development trends, so the botanical fresh keeping agent has good exploitation application potentials.
Owner:杨凌馥稷生物科技有限公司
A strain of Trichoderma harzianum and its application
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
Passionflower herb antistaling agent
InactiveCN105660843AControl epidermal shrinkageControl rotFruit and vegetables preservationFood ingredient as thickening agentTrehaloseBiology
The invention relates to the technical field of fruit and vegetable preservation, and discloses a passionflower herb antistaling agent. The passionflower herb antistaling agent is prepared from, by weight, 20-100 parts of prochloraz and / or iprodione, 10-30 parts of butanediol, 1-5 parts of glycosyl trehalose, 0.1-1 part of sodium hyaluronate, 0.1-1 part of thickener, 5-10 parts of surfactant and 100-500 parts of water. The invention further provides a preparation method of the passionflower herb antistaling agent and a method for conducting preservation treatment on passionflower herb through the antistaling agent. The antistaling agent can significantly control epidermis shrinking and fruit rotting of the passionflower herb through a technology of combining sterilizing and moisturizing, the storage period and shelf life of the passionflower herb are effectively prolonged, and the commodity value and economic benefit are improved; meanwhile, by means of the antistaling agent and negative pressure or ultrasonic wave compound soaking treatment, chemical preservation and physical sterilization are compounded, safety is achieved, and toxicity does not exist. The preparation method of the passionflower herb antistaling agent is simple, efficient, safe and wide in application prospect.
Owner:广西壮族自治区农业科学院园艺研究所
Litchi fresh-keeping agent and preparation method thereof, and litchi fresh-keeping method
InactiveCN105961576ALong-lastingAvoid breedingFruit and vegetables preservationCuticleSurface-active agents
The invention relates to the technical field of fruit and vegetable storage and preservation, and discloses a litchi preservation agent. In parts by weight, the preservative components are: 20-50 parts of iprodione, 10-30 parts of nano-silver sol, 5-10 parts of ethylene glycol, 1-5 parts of surfactant, carboxymethyl chitosan Sugar / TiO 2 1-5 parts of composite material, 1-5 parts of glycosyl trehalose, 0.1-0.5 parts of thickener and 100-800 parts of water. Also provided are a preparation method of the above-mentioned antistaling agent, and a method for using the above-mentioned antistaling agent to preserve the litchi. The antistaling agent can significantly control the skin shrinkage and fruit rot of lychees through the combination of sterilization and moisturizing technology, effectively prolong the storage period and shelf life of lychees, and improve commodity value and economic benefits; Treatment, chemical preservation and physical sterilization are combined, safe and non-toxic; the preparation method is simple, efficient and safe, and has broad application prospects.
Owner:黄少伟
Composition with immunity enhancement effect and application of composition in preparation of immunoenhancement drugs and health food
InactiveCN109528704AIncrease the totalImprove immunitySulfur/selenium/tellurium active ingredientsImmunological disordersWhite blood cellMass ratio
The invention provides a composition with an immunity enhancement effect and belongs to the technical field of immunoregulation drugs. The composition comprises garlic lectin, alliin and garlic polysaccharide in a mass ratio being (0.4-0.6):(0.8-1.2):(17-25). The composition can increase a spleen index and a thymus index of immunosuppression mice, increase total white blood cells, a clearance index K and a phagocytic index alpha and ensure content levels of IL-2, TNF-alpha and IFN-gamma in serum to approach to normal levels and has the significant immunity enhancement effect.
Owner:XINJIANG AILEXIN PHARMA
Liquid preservative for litchi storage and preparation method and use method thereof
InactiveCN105918444ALong-lastingAvoid breedingFruit and vegetables preservationFood ingredientsCuticleMoisture
The present invention discloses a liquid preservative for litchi storage. The liquid preservative comprises the following components in parts by weight: 20-50 parts of iprodione, 10-30 parts of pyraclostrobine, 10-30 parts of nanometer silver colloid, 5-10 parts of ethylene glycol, 1-5 parts of a surfactant, 1-5 parts of carboxymethyl chitosan, 0.5-1 part of sorbic acid, 0.1-1 part of sodium hyaluronate, 0.1-0.5 part of carbomer and 100-800 parts of water. The present invention also provides a preparation method of the preservative and a method of preserving and treating litchi. By combining the technologies of sterilization and moisture preservation, the liquid preservative can significantly control the occurrences of litchi skin shrinkage and fruit decay, effectively extends the storage period and shelf life of the litchi, and improves the commodity value and economic benefits. The preservative and negative pressure compound soaking treatment are used at the same time, the chemical preservation and physical sterilization are compounded, and the liquid preservative is safe and non-toxic. The preparation method is simple, high-efficient and safe, and suitable for broad prospects.
Owner:黄少伟
Rhodotorula mucilaginosa SYM-1 as well as screening method and application thereof
ActiveCN112322510AGood antibacterial effectPromote degradationAntibacterial agentsFungiAmmoniacal nitrogenVibrio vulnificus
The invention discloses a rhodotorula mucilaginosa SYM-1, and the preservation number of the rhodotorula mucilaginosa SYM-1 is CCTCC NO: M 2020756. The invention further discloses a screening method and application of the rhodotorula mucilaginosa SYM-1. The rhodotorula mucilaginosa SYM-1 strain can be used for biological prevention and treatment of aquaculture diseases or aquaculture water pollution treatment, has a strong bacteriostatic effect on vibrio vulnificus, vibrio parahaemolyticus and vibrio anguillarum, has a good degradation effect on nitrite and ammonia nitrogen, and has a degradation rate of about 65% when the nitrite nitrogen concentration is 50 mg / L. When the ammonia nitrogen concentration is 50 mg / L, the degradation rate reaches about 97%, and the rhodotorula mucilaginosa has good development and application potential.
Owner:JIANGSU OCEAN UNIV
Preparation method of plant source fruits and vegetables deoxidization antistaling agent
InactiveCN101313696BGood fresh-keeping effectImprove fruit rateFruit and vegetables preservationBiotechnologyPlant Sources
The invention discloses a botanic fruit and vegetable fresh-keeping agent, which is characterized in that: the effective constituents of raw materials in percentage by weight of the fresh-keeping agent are: 2 to 4 percent of clove leaf oil, 1 to 2 percent of chitosan, 1 to 2 percent of CaCl2, 10 to 12 percent of emulsifying agent, 12 to 16 percent of solvent and the balance being water. The botanic fruit and vegetable fresh-keeping agent has excellent preserving effect, and can well inhibit pathogenic germs easily appearing during storing picked fruit and vegetable when used after watered coating treatment; moreover, the fresh-keeping agent can also inhibit the rot of picked fruit and vegetable to a certain degree; meanwhile, the fresh-keeping agent has simple manufacturing process and low cost, and accords with the current developing direction of fresh-keeping agent, thereby having enormous development and application potential.
Owner:HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
Fresh keeping agent for vitis vinifera
InactiveCN107212083AReduce bad fruit rateReduce cob browning indexFruit and vegetables preservationSodium acetateKojic acid
The invention discloses a fresh keeping agent for vitis vinifera. The fresh keeping agent comprises the following components in parts by weight: 15-20 parts of sodium erythorbate, 5-20 parts of sodium acetate, 10-35 parts of malic acid, 10-30 parts of lecithin, 5-25 parts of ferric pyrophosphate, 15-40 parts of sorbitol and 5-20 parts of kojic acid. The fresh keeping agent for vitis vinifera disclosed by the invention is good in long-term fresh keeping effects. Experiment prove that the fresh keeping agent has favorable effects of restraining various kinds of pathogenic bacteria in the storage process of the vitis vinifera, the bad fruit rate and the spike-stalk browning index in the storage process of the vitis vinifera can be obviously reduced, the advantages of commodity and the like of the vitis vinifera are maintained, and besides, the fresh keeping agent completely meets the requirements of food safety in China, is useful and harmless to human bodies and has favorable development and application potential.
Owner:柳州市北部科技服务有限公司
Plant source mosquito incense synergistic agent
InactiveCN101558770BGood synergyWide variety of sourcesBiocideAnimal repellantsEucalyptus oilCinnamon Oil
Owner:SHENZHEN FJ BIOTECH
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