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44 results about "Penicillium italicum" patented technology
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Penicillium italicum is a plant pathogen. It is a common post harvest disease commonly associated with citrus fruits.
Application of tea saponin and mixture thereof in antisepsis and preservation of fruit
InactiveCN101444236AEasy to useMeet the requirements of sustainable agricultural developmentFruit and vegetables preservationDiseaseChemical agent
The invention discloses an application of tea saponin and mixture thereof in antisepsis and preservation of fruit, overcomes the shortages of the existing tea saponin in the antispesis and preservation of the fruit, provides the wide application of tea saponin in the antisepsis and preservation technical field of fruit and relates to the antisepsis and preservation application of various fruits and the control effects on post-harvest diseases of fruits such as penicillium italicum of citrus, green mold of citrus, Alternaria citri, banana crown rot, banana anthracnose, litchi blossom blight, lichi anthracnose, loquat anthracnose, loquat black spot or loquat gray spot, and the like. The tea saponin and the mixture thereof have safe use, meet the requirement of agricultural sustainable development, effectively reduce the harm of chemical agents on human being, and provide technical supports for good prospect of the application of the tea saponin and the mixture thereof in the field of antisepsis and preservation of the fruit.
Owner:SOUTH CHINA AGRI UNIV
Citrus endophytic actinomycetes with antibacterial activity on various plant pathogens
ActiveCN103952362AHas antibacterial activityResidue reductionBiocideBacteriaDiseaseAntibacterial activity
The invention relates to citrus endophytic actinomycetes with antibacterial activity on various plant pathogens, belonging to the technical field of microbes. The endophytic actinomycetes are Streptomyces sp. R1020 which was registered and collected in China General Microbiological Culture Collection Center on March 17, 2014 with the collection number of CGMCC No. 8923. The strain R1020 has relatively good inhibitory effect on citrus anthrax bacteria, citrus bacterial canker disease bacteria, citrus penicillium italicum, citrus penicillium digitatum, bayberry deadwood disease bacteria, bayberry acicola, bayberry anthrax bacteria, loquat anthrax bacteria, loquat leaf spot fungi, loquat ringspot pathogenic bacteria, tomato alternaria solani, botrytis cinerea, colletotrichum orbiculare, tea tree anthrax bacteria and elsinoeleucospila and has the potential of being developed into biological pesticides.
Owner:ZHEJIANG CITRUS RES INST
Hanseniaspora uvarum and application thereof
The invention discloses hanseniaspora uvarum; the bacterial strain is Y68; the preservation number is CGMCC No. 8042. The hanseniaspora uvarum Y68 has the inhibiting effect on post-harvest monilinia fructicola of peaches and cherries, post-harvest botrytis cinerea of grapes, tomato botrytis, post-harvest botrytis cinerea of apples, post-harvest penicillium italicum of apples and post-harvest penicillium italicum of pears, and has the inhibiting effect on post-harvest brown rot of peaches, cherry brown rot, grape botrytis, tomato botrytis, post-harvest botrytis of apples, post-harvest penicilliosis of pears and post-harvest penicilliosis of apples. The hanseniaspora uvarum Y68 specifically has obvious inhibiting effect on the botrytis cinerea; the diameters of inhibition zones are all greater than 10 mm.
Owner:北京莱万生物技术有限公司
Separating method and applications of marine bacillus amyloliquefaciens 1A
ActiveCN103695360AEnhanced inhibitory effectEnhance the destructive effectFruit and vegetables preservationBacteriaMudskipperAnti virus
The invention discloses antibacterial and anti-virus applications of marine bacillus amyloliquefaciens 1A in fruit postpartum pathogenic fungi. The fruit postpartum pathogenic fungi are colletotrichum gloeosporioides, coniella diplodiella, pear alternaria alternata and penicillium italicum. The separating method of the marine bacillus amyloliquefaciens 1A comprises the following steps: collecting seawater, sea mud, marine debris, clam, enteromorpha and mudskipper samples in Lianyungang sea area; carrying out separation and purification of bacteria after enriching, so as to obtain a plurality of pure strains of marine bacteria; determining the inhibiting effects of the pure strains of the marine bacteria on the four fruit postpartum pathogenic fungi for a test by using a plate confrontation method; screening to obtain the strains of which the width of the bacteriostatic band is greater than 5mm; determining the bacteriostatic action of sterile fermented liquid on the four fruit postpartum pathogenic fungi by using an oxford cup method; and screening to obtain the bacillus amyloliquefaciens 1A of which the width of the bacteriostatic band is greater than 10mm. Therefore, the marine bacillus amyloliquefaciens 1A has a broad application prospect.
Owner:HUAIHAI INST OF TECH
Compositions and Methods for Protection of Harvested Fruits from Decay
Methods and compositions comprising essential oils or components thereof for protecting harvested fruits against decay caused by a specific pathogenic fungus are provided, such as Cinnamon cassia oil for protection of persimmons against Alternaria alternata, strawberries against Botrytis cinerea, or mandarins against Penicillium italicum or Penicillium digitatum.
Owner:GAVISH GALILEE BIO APPL
Marine streptomyces with antibacterial activity
The invention relates to marine streptomyces with antibacterial activity and belongs to the technical field of microbes. The marine streptomyces is streptomyces chumphonensis AM-4, is registered and collected in China General Microbiological Culture Collection Center on October 30, 2017 and has a collection number of CGMCC No.14843. The streptomyces chumphonensis AM-4 has an excellent inhibitory effect on ccolletotrichum glecosporioides, penicillium italicum, penicillium digitatum and pathogen of brown stem-end rot, and has the potential of being developed into a biopesticide.
Owner:ZHEJIANG CITRUS RES INST
Screening, identifying and application of antagonistic strain generating volatile bacteriostatic gas
ActiveCN105907669ANo residual toxicityEasy to operateFruit and vegetables preservationBacteriaDiseaseBiotechnology
The invention provides an antagonistic strain 12a generating volatile bacteriostatic gas and application thereof in preventing and treating fruit-vegetable diseases. The antagonistic strain 12a is Bacillus vallismortis and is collected under CGMCC No.12179. The antagonistic strain 12a is obtained by collecting and separating peach tree rhizosphere soil from a Feicheng peach orchard without being applied with chemical fertilizer and pesticide, and the volatile bacteriostatic gas generated in fermentation liquid of the antagonistic strain 12a has strong antagonistic effect on Monilinia fructicola and also has obvious inhibiting effect on Marssonina mali caused by Alternaria mali, sweet potato black spot caused by Ceratocystis fimbriata Ellis.Et Halsted, citrus blue mold caused by Penicillium italicum Wehmer and winter jujube black spot caused by Alternaria alternata. The antagonistic strain 12a can effectively prevent and treat various fruit-vegetable diseases, is a biological preventing and treating potential strain which is good in biological preventing effect, pollution-free, wide in preventing and treating range, safe and ecological and has wide market application prospect.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Aminodiacyloxylamide derivative, preparation method, and application thereof
ActiveCN106916081AEnhanced inhibitory effectReduce manufacturing costBiocideOrganic compound preparationCarboxylic acidEthyl Chloride
The invention provides an aminodiacyloxylamide derivative which has bactericidal activity and contains an amino group. The general formula of the aminodiacyloxylamide derivative is represented as (I), wherein R1 is a methyl group, an ethyl group and an isohexyl group; R2 is chlorine, an isooctyl group and an n-heptyl group; and R3 is hydrogen or chlorine. A preparation method includes the steps of: 1) performing a reaction to azide-carboxylic acid and keto-aldehyde and isonitrile at 30 DEG C, reaction solvent being water; 2) after the reaction is carried out for 24 h, adding triphenylphosphine, continuously performing the reaction for 2-5 h; and 3) after the reaction is finished, extracting the reaction liquid with dichloromethane, drying the reaction liquid and removing the solvent, dichloromethane, under reduced pressure, and performing column chromatography to the residual substance to produce the target compound (I). The compound has good inhibition activity on penicillium digitatum and penicillium italicum, and can be used as a bactericide.
Owner:CHINA THREE GORGES UNIV
Compositions and methods for protection of harvested fruits from decay
Methods and compositions comprising essential oils or components thereof for protecting harvested fruits against decay caused by a specific pathogenic fungus are provided, such as Cinnamon cassia oil for protection of persimmons against Alternaria alternata, strawberries against Botrytis cinerea, or mandarins against Penicillium italicum or Penicillium digitatum.
Owner:GAVISH GALILEE BIO APPL
Dicoumarin derivative and preparation method and application thereof
Owner:SOUTH CHINA AGRI UNIV
Abnormal pichia anomala and application thereof
The invention discloses an abnormal pichia anomala and an application thereof, and belongs to the technical field of micrograms. The strain of the abnormal pichia anomala disclosed by the invention is YPL6, with the preservation number of CGMCC No.8041. The abnormal pichia anomala YPL6 and a metabolite product of the pichia anomala YPL6 have the inhibition function on peach postharvest monilinia fructicola, apple postharvest botrytis cinerea, apple postharvest penicillium italicum and pear postharvest penicillium italicum, and have the inhibition function on peach postharvest brown rot, apple postharvest botrytis, pear postharvest penicilliosis and apple postharvest penicilliosis.
Owner:北京莱万生物技术有限公司
A kind of camel velvet transfer protein and its preparation method and application
InactiveCN102286085AGood antifungal activityEnhanced inhibitory effectBiocidePeptide/protein ingredientsLipid formationAntifungal
The invention discloses a peganum harmala lipid transfer protein (PHP) and relates to the preparation and use of new protein with antifungal, anticancer and antivirus activities. The method uses seeds of a peganum harmala plant as raw materials and comprises the following steps: preparing a coarse product, performing cationic exchange chromatographic separation and purifying by using a molecular sieve; and gradually separating and collecting a purified component having antibacterial activity, dialyzing, desalting, freeze-drying and thus, obtaining purified PHP. In the invention, a filter paper disc agar diffusion method is adopted, and researches prove the protein has growth inhibiting effect on five plant pathogenic fungi, namely alternaria alternate, penicillium degitatum, rhizopus stuolonifer, magnaporthe grisea and penicillium italicum. An 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) method proves that the protein has inhibiting effect on proliferation of human esophageal carcinoma cell Eca109, human cervical cancer cells HeLa, human stomach cancer cells MGC-7, mouse melanoma cells B16 and the like. The protein can inhibit the activity of human immunodeficiency virus 1 (HIV-1) reverse transcriptase. The protein can be used for developing medicines for resisting agricultural pathogenic fungi, tumors and viruses.
Owner:XINJIANG UNIVERSITY
Benzoxazepin bacteriostats and synthetic method thereof
ActiveCN106831635AGood inhibitory effectReduce manufacturing costBiocideOrganic chemistryStructural formulaTert butyl
The invention relates to benzoxazepin bacteriostats and a preparation method thereof. The chemical structural formula is shown in the specification, wherein substituents R1, R2 and R3 are chloro, bromo, methyl, normal-butyl, p-chlorophenyl, methyl acetate groups, tertiary butyl or cyclohexyl, and positions, the number and conjugate positions of the substituents are not fixed. According to the synthetic method, ortho-azidobenzoic acid compounds and aryl ketoaldehyde compounds and in-situ formed isocyanide compounds are subjected toa Passerini reaction, a formed product and triphenylphosphine are subjected toa Staudinger reaction, and polysubstituted benzoxazepin heterocyclic compounds and other important heterocyclic compounds are produced through ring closing of an intramolecular aza-Wittig reaction. The key point of the invention is to provide one novel synthetic method which adopts fewer steps and has high yield to synthesize the novel benzoxazepin compounds. The compounds have better inhibitory activity on Rhizoctonia solani, Penicillium digitatum and Penicillium italicum and can be used as the bacteriostats.
Owner:CHINA THREE GORGES UNIV
Method for improving biological control efficacy of antagonistic yeasts for postharvest acidic pathogenic fungi of fruits and vegetables and application
ActiveCN112159767AFast growth and reproductionNo pollution in the processFungiFruit and vegetables preservationBiotechnologySclerotinia
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
A kind of Pichia anomaly and its application
The invention discloses an abnormal pichia anomala and an application thereof, and belongs to the technical field of micrograms. The strain of the abnormal pichia anomala disclosed by the invention is YPL6, with the preservation number of CGMCC No.8041. The abnormal pichia anomala YPL6 and a metabolite product of the pichia anomala YPL6 have the inhibition function on peach postharvest monilinia fructicola, apple postharvest botrytis cinerea, apple postharvest penicillium italicum and pear postharvest penicillium italicum, and have the inhibition function on peach postharvest brown rot, apple postharvest botrytis, pear postharvest penicilliosis and apple postharvest penicilliosis.
Owner:北京莱万生物技术有限公司
Method for extracting pinocembrin-7-O-belta-D-glucoside from hairy fig and application of pinocembrin-7-O-belta-D-glucoside
InactiveCN105820201AReduce usageEasy to operateFruit and vegetables preservationSugar derivativesPlant SourcesGlucoside
The invention discloses a method for extracting and separating a flavonoid compound pinocembrin-7-O-belta-D-glucoside from a hairy fig and application of the pinocembrin-7-O-belta-D-glucoside and belongs to the technical field of botanical pesticides. Particularly the compound is separated with the method of subjecting a hairy fig crude extract to macroporous resin column chromatography, Sephadex LH-20 gel column chromatography and recrystallization, and the compound has good bacteriostatic activity to citrus postharvest pathogen-penicillium italicum and good disease resistance to citrus blue mold and can be used for developing a novel plant source citrus preservative.
Owner:JIANGXI AGRICULTURAL UNIVERSITY
Dithiocarbamate compounds, and preparation method and application thereof
The invention discloses dithiocarbamate compounds, and a preparation method and application thereof. The dithiocarbamate compounds disclosed by the invention comprise 5-aminopyrazole-dithiocarbamate,indole-dithiocarbamate and substituted benzene-dithiocarbamate. The dithiocarbamate compounds with structural formulas as shown in a formula I, a formula II and a formula III are respectively preparedthrough reactions of an aromatic hydrocarbon 5-aminopyrazole compound, an indole compound and a substituted benzene compound with an amino dithioformyl disulfide compound in a reaction solvent in thepresence of an oxidizing agent and an iodine reagent. The compounds have different degrees of antibacterial activity on Chinese rose anthracnose, Fusarium oxysporum, Fusarium proliferatum, Fusarium solani, Geotrichum candidum, Penicillium digitatum, Penicillium italicum, Phyricularia oryzae and the like.
Owner:SOUTH CHINA AGRI UNIV
Green method for preserving navel oranges at normal temperature
InactiveCN107960453AGrowth inhibitionReduce decay rateFruits/vegetable preservation by irradiation/electric treatmentNatural extract food ingredientsIllicium verumInsect pest
The invention relates to a green method for preserving navel oranges at normal temperature. The method comprises the following steps of harvesting, ultrasonic treatment, traditional Chinese medicine extract soaking, air-drying treatment, package, storage and the like. According to the method, navel oranges are soaked by adopting an illicium verum extracting solution, wherein illicium verum is a natural spice, is safe and nontoxic, can be used for inhibiting growth of penicillium italicum wehmer and penicillium digitatum, and is used for warehouse-out preservation of navel oranges, so that therotting rate of navel oranges can be effectively reduced, fruit moisture maintenance of navel oranges can be facilitated, and the shelf life of navel oranges can be prolonged. Package for single navelorange is carried out by adopting a polyethylene preservative seal bag and can be mechanically operated to form a miniature controlled atmosphere environment, so that the respiratory rate of navel oranges can be reduced, the quality of navel oranges can be maintained, moisture loss can be reduced, the navel oranges are protected from invasion of microorganisms, drosophila and other insect pests in the environment, and the green, safe and efficient storage and preservation technology and method, which can be used for prolonging the preservation time and well keeping quality and flavor of naveloranges at normal temperature, have great practical meaning and commercial value.
Owner:黄桂月
Agrobacterium tumefaciens-mediated genetic transformation method of Penicillium italicum
InactiveCN107177622AEfficient genetic transformationEasy to operateVector-based foreign material introductionHeterologousBiotechnology
The invention discloses an Agrobacterium tumefaciens-mediated genetic transformation method of Penicillium italicum and belongs to the field of genetic transformation. The method of the invention is simple to perform, high in transformation rate and good in transformation stability, provides efficient genetic transformation of Penicillium italicum successfully, makes it possible to perform homologous knockout, overexpression and heterologous expression in Penicillium italicum, and lays basis for the genetic improvement of this strain by genetic engineering means and the study on pathogenesis of citrus infection by the strain.
Owner:HUAZHONG AGRI UNIV
A phenanthroindolizidine alkaloid and a preparing method thereof
InactiveCN106866662AHigh purityConsistent component typeBiocideOrganic chemistryPlant SourcesN-Butanol
A phenanthroindolizidine alkaloid, and a preparing method and applications thereof are disclosed. Blackend swallowwort root which is a Chinese herbal medicine is adopted as a raw material and is extracted with a solvent; and after an extract is extracted with an n-butanol solvent, an obtained extract is separated by macroporous resin column chromatography, silica gel column chromatography, ODS-C<18> reverse silica gel column chromatography, Sephadex LH-20 gel column chromatography and preparative high performance liquid chromatography in order to obtain one high-purity phenanthroindolizidine alkaloid, with the purity of the phenanthroindolizidine alkaloid obtained being 98.5%. The alkaloid is identified as 7-demethoxytylophorine. The obtained alkaloid is subjected to bacteriostatic activity research on penicillium italicum, and the 7-demethoxytylophorine has good bacteriostatic effects on the penicillium italicum and can be developed into a novel plant-sourced citrus preservative.
Owner:JIANGXI AGRICULTURAL UNIVERSITY
Application of camellia oleifera extract in antisepsis and preservation
InactiveCN101543242BGood anti-corrosion and fresh-keeping activityGood fresh-keeping activityFruit and vegetables preservationAlternariaCamellia oleifera
The invention discloses an application of camellia oleifera extract in antiseptic and fresh preservation. The camellia oleifera extract can be applied to post-harvest fruit freshness preservation, and the post-harvest pathogens to fruit include Penicillium italicum Wehmer, Penicillium digitatum Sacc., Geotrichum candidum Link ), banana crown rot (Colletotrichum musae spp), banana anthracnose (Colletorchum musae), litchi downy mildew (Peronophythora litchi), litchi anthracnose (Colletotrichum gloeosporioides Penz.), loquat anthracnose (Colletotrichum acutatum Simmonds), loquat Alternaria Tenuis Nees, Pestalotiopsis eriobotryfolia, etc. have good control effects, and have good fresh-keeping activities on various fruits such as citrus, litchi, banana, loquat, longan, and mango. According to this characteristic of camellia oleifera, an efficient and pollution-free green plant-source fruit preservative can be developed, which has significant social and economic benefits.
Owner:SOUTH CHINA AGRI UNIV
Preparation method and application of tupistra extract
ActiveCN109758519AHigh extraction rateEasy to operateAntimycoticsPlant ingredientsSolventAspergillus niger
The invention discloses a preparation method and application of a tupistra extract. According to the preparation method of the tupistra extract, with tupistra rhizomes as raw materials and ethanol water or ethyl acetate as a solvent, extraction is conducted, then through concentration and drying, the tupistra extract is obtained, and when the solvent is ethanol water, the volume fraction of ethylalcohol is not smaller than 60%. According to the preparation method, ethanol water or ethyl acetate is used as the solvent for preparing the tupistra extract, one-step completion is achieved, multiple solvents do not need to be adopted for repeated extraction, the technical operation is simple, the extraction rate is high, the cost is low, and the method is environmentally friendly; through the prepared exact, growth of filamentous fungi can be effectively inhibited, particularly, the inhibition function on rotten fungi such as penicillium expansum, penicillium italicum wehmer, penicillium digitatum, aspergillus niger, rhizopus stolonifera and botrytis cinereal is obvious, the effect is good at low concentration (1mg / mL), the antimicrobial spectrum is wide, no harmful organic solvent residues exist, the method is environmentally friendly, the toxic or side effect on a non-target is small, and the method accords with an environment-friendly sustainable development idea.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
Screening, identification and application of an antagonistic bacteria producing volatile antibacterial gas
ActiveCN105907669BNo residual toxicityEasy to operateFruit and vegetables preservationBacteriaBiotechnologyDisease
The invention provides an antagonistic strain 12a producing volatile antibacterial gas and its application in preventing and controlling fruit and vegetable diseases. The antagonistic strain 12a disclosed in the present invention is Bacillus vallismortis, and the preservation number is CGMCC No.12179. The antagonistic bacterial strain 12a of the present invention is obtained by collecting the rhizosphere soil of peach trees in Feicheng peach orchard without applying chemical fertilizers and pesticides, and the volatile antibacterial gas produced in its fermentation liquid has a strong antagonistic effect on peach brown rot (Monilinia fructicola) , while treating apple brown spot caused by Alternaria mali, sweet potato black spot caused by Ceratocystis fimbriata Ellis.Et Halsted, and citrus blue spot caused by Penicillium italicum Wehmer. Mildew and winter jujube black spot caused by Alternaria alternata also have obvious inhibitory effect, and can effectively prevent and control a variety of fruit and vegetable diseases. The biological control potential strains have broad market application prospects.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
A kind of benzoxazepine antibacterial agent and its synthetic method
ActiveCN106831635BEnhanced inhibitory effectReduce manufacturing costBiocideOrganic chemistrySynthesis methodsStructural formula
The invention relates to benzoxazepin bacteriostats and a preparation method thereof. The chemical structural formula is shown in the specification, wherein substituents R1, R2 and R3 are chloro, bromo, methyl, normal-butyl, p-chlorophenyl, methyl acetate groups, tertiary butyl or cyclohexyl, and positions, the number and conjugate positions of the substituents are not fixed. According to the synthetic method, ortho-azidobenzoic acid compounds and aryl ketoaldehyde compounds and in-situ formed isocyanide compounds are subjected toa Passerini reaction, a formed product and triphenylphosphine are subjected toa Staudinger reaction, and polysubstituted benzoxazepin heterocyclic compounds and other important heterocyclic compounds are produced through ring closing of an intramolecular aza-Wittig reaction. The key point of the invention is to provide one novel synthetic method which adopts fewer steps and has high yield to synthesize the novel benzoxazepin compounds. The compounds have better inhibitory activity on Rhizoctonia solani, Penicillium digitatum and Penicillium italicum and can be used as the bacteriostats.
Owner:CHINA THREE GORGES UNIV
A kind of Hansenula viticola and its application
The invention discloses hanseniaspora uvarum; the bacterial strain is Y68; the preservation number is CGMCC No. 8042. The hanseniaspora uvarum Y68 has the inhibiting effect on post-harvest monilinia fructicola of peaches and cherries, post-harvest botrytis cinerea of grapes, tomato botrytis, post-harvest botrytis cinerea of apples, post-harvest penicillium italicum of apples and post-harvest penicillium italicum of pears, and has the inhibiting effect on post-harvest brown rot of peaches, cherry brown rot, grape botrytis, tomato botrytis, post-harvest botrytis of apples, post-harvest penicilliosis of pears and post-harvest penicilliosis of apples. The hanseniaspora uvarum Y68 specifically has obvious inhibiting effect on the botrytis cinerea; the diameters of inhibition zones are all greater than 10 mm.
Owner:北京莱万生物技术有限公司
Method for inhibiting growth of penicillium and reducing rotting rate of picked citrus fruits
PendingCN114190431AReduce softeningDecrease breathing rateFruit and vegetables preservationBiotechnologyCitrus volkameriana
The invention provides a method for inhibiting the growth of penicillium and reducing the postharvest rotting rate of citrus fruits, and belongs to the technical field of postharvest storage and processing of fruits. According to the method for inhibiting the growth of the penicillium italicum, the natural plant materials release gaseous substances for inhibiting the growth of the penicillium italicum, so that the effect of reducing the rotting rate of picked citrus fruits is achieved. According to the penicillium growth inhibition method and the biological treatment mode for storing the citrus based on the penicillium growth inhibition method, decay can be effectively reduced, and the penicillium growth inhibition method and the biological treatment mode have the advantages of being safe, non-toxic, environmentally friendly, low in energy consumption, convenient to operate, capable of being implemented on a large scale and the like. On the basis of the principles of effectiveness, environmental protection, simplicity and convenience, the method capable of reducing the rotting rate of the picked citrus is provided, the current situation that fruits are rotted and deteriorated in the storage and transportation process after commercial maturity and much loss is caused can be effectively improved, and the trade competitiveness of the citrus industry in China is improved.
Owner:HUAZHONG AGRI UNIV
A citrus endophytic actinomycete with antibacterial activity against various plant pathogenic bacteria
ActiveCN103952362BHas antibacterial activityResidue reductionBiocideBacteriaDiseaseAntibacterial activity
Owner:ZHEJIANG CITRUS RES INST
Biological control method for fruit and vegetable penicilliosis pathogens
InactiveCN111838153ANo pollution in the processInhibition of PenicilliumBiocideFungicidesBiotechnologyCell membrane
The invention discloses an application of heptanal as a penicillium italicum inhibitor, and belongs to the technical field of food preservation. The invention also discloses a penicillium italicum inhibitor and a biological control method of fruit and vegetable penicilliosis pathogens. The method comprises the step of treating fruits and vegetables with heptanal. Test results show that heptanal enables penicillium italicum spores not to germinate, hypha growth is inhibited, permeability of cell membranes is improved, and proteins in the membranes is promoted to seep out. The natural plant extract heptanal is used as an antibacterial agent for controlling the pathogen penicillium italicum of postharvest penicilliosis of the fruits and vegetables, and compared with a common chemical prevention and treatment method, the biological control method is harmless and pollution-free to human bodies and the environment.
Owner:HUAZHONG AGRI UNIV
A preparation method and application of antifungal 2-methoxy-1,4-naphthoquinone-based fluorescent carbon dots
ActiveCN112961674BReasonable designThe process steps are simpleBiocideNanoopticsAntifungalNaphthoquinone
The invention relates to the technical field of biochemistry, and discloses a preparation method of antifungal 2-methoxy-1,4-naphthoquinone-based fluorescent carbon dots, which includes precursor solution preparation, high-temperature and high-pressure reaction, natural cooling, and vacuum freeze-drying Wait for the operation steps to finally get the powdered finished product. The preparation method of the antifungal 2-methoxy-1,4-naphthoquinone-based fluorescent carbon dot provided by the present invention has reasonable design, simple process steps, simple and feasible operation, good reproducibility, and no need to use a large amount of toxic solvents in the process , the reaction time is short, the product structure is stable, the purity is high, the safety performance is good, the antibacterial effect is good, the toxic and side effects are small, and it can effectively inhibit the activity of Penicillium digitatum and Penicillium italicum. As a new type of antibacterial agent, it has good promotion and application prospects.
Owner:SOUTH CHINA AGRI UNIV
A kind of isolation method and application of marine bacillus amyloliquefaciens 1a
ActiveCN103695360BEnhanced inhibitory effectEnhance the destructive effectFruit and vegetables preservationBacteriaAnti virusBacteroides
The invention discloses antibacterial and anti-virus applications of marine bacillus amyloliquefaciens 1A in fruit postpartum pathogenic fungi. The fruit postpartum pathogenic fungi are colletotrichum gloeosporioides, coniella diplodiella, pear alternaria alternata and penicillium italicum. The separating method of the marine bacillus amyloliquefaciens 1A comprises the following steps: collecting seawater, sea mud, marine debris, clam, enteromorpha and mudskipper samples in Lianyungang sea area; carrying out separation and purification of bacteria after enriching, so as to obtain a plurality of pure strains of marine bacteria; determining the inhibiting effects of the pure strains of the marine bacteria on the four fruit postpartum pathogenic fungi for a test by using a plate confrontation method; screening to obtain the strains of which the width of the bacteriostatic band is greater than 5mm; determining the bacteriostatic action of sterile fermented liquid on the four fruit postpartum pathogenic fungi by using an oxford cup method; and screening to obtain the bacillus amyloliquefaciens 1A of which the width of the bacteriostatic band is greater than 10mm. Therefore, the marine bacillus amyloliquefaciens 1A has a broad application prospect.
Owner:HUAIHAI INST OF TECH
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