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114 results about "Acetobacter" patented technology

Acetobacter is a genus of acetic acid bacteria. Acetic acid bacteria are characterized by the ability to convert ethanol to acetic acid in the presence of oxygen. Of these, the genus Acetobacter is distinguished by the ability to oxidize lactate and acetate into carbon dioxide and water. Bacteria of the genus Acetobacter have been isolated from industrial vinegar fermentation processes and are frequently used as fermentation starter cultures.

Eucommiaulmoides Oliver fermentation extract and preparation method thereof and application in cosmetics thereof

The invention relates to a preparation method of Eucommiaulmoides Oliver fermentation extract, the Eucommiaulmoides Oliver fermentation extract obtained by the method, and a use of the Eucommiaulmoides Oliver fermentation extract for the preparation of cosmetics. The preparation method includes the following steps that a step of preparation of a composite strain is carried out, in the step, the composite strain is obtained by pre-culture of Acetobacter pasteurium, Lactobacillus plantarum and Saccharomyces cerevisiae separately; a step of enzymatic hydrolysis of Eucommiaulmoides Oliver powder to prepare a fermentation matrix is carried out, in the step, leaves of Eucommiaulmoides Oliver are washed, dried, crushed into powder and mixed with water, then Eucommiaulmoides Oliver enzymatic hydrolysate after enzymatic hydrolysis is obtained by adding protease, cellulase and pectinase for enzymatic hydrolysis, and the fermentation matrix is obtained based on the Eucommiaulmoides Oliver enzymatic hydrolysate; a step of fermentation is carried out, in the step, the composite strain is inoculated into the fermentation matrix containing the Eucommiaulmoides Oliver enzymatic hydrolysate after enzymatic hydrolysis and fermented under the condition of low dissolved oxygen to obtain fermentation broth; and a step of purification is carried out, in the step, the obtained fermentation broth is centrifuged and filtered to obtain the Eucommiaulmoides Oliver fermentation extract.
Owner:BLOOMAGE BIOTECHNOLOGY CORP LTD

Carbonized bacterial cellulose-cadmium sulfide composite photocatalytic material as well as preparation method and application thereof

The invention relates to a carbonized bacterial cellulose-cadmium sulfide composite photocatalytic material as well as a preparation method and application thereof. The photocatalytic material is prepared by using the following methods: 1) inoculating Gluconacetobacter xylinus into a culture medium A, carrying out dynamic culture for 96 hours, collecting a bacterial cellulose product, washing, drying, and further carrying out vacuum freeze drying so as to obtain bacterial cellulose aerogel; 2) dissolving a fixed amount of thiourea and cadmium sulfide into ultrapure water, adding a proper amount of the bacterial cellulose aerogel, and carrying out a hydrothermal reaction at a high temperature and high pressure; 3) carrying out high-temperature calcining on the bacterial cellulose aerogel-cadmium sulfide compound product in a tubular furnace, thereby obtaining the carbonized bacterial cellulose-cadmium sulfide composite photocatalytic material. The preparation method provided by the invention has the advantages of being simple in operation, low in cost, and the like. The obtained carbonized bacterial cellulose-cadmium sulfide composite photocatalytic material can be used as a catalyst in water hydrogen generation of photocatalysis splitting.
Owner:WUHAN UNIV OF TECH

BC/G/MPc ternary composite catalyst and in-situ synthesis method thereof

The invention discloses a BC / G / MPc ternary composite catalyst and an in-situ synthesis method thereof. The composite catalyst takes bacterial cellulose / graphene as a carrier, the metal phthalocyanineis tetrasulfonic metal phthalocyanine, and the central metal M of the metal phthalocyanine is one of manganese, iron, cobalt, nickel, copper or zinc ions; immobilization between the metal phthalocyanine and the bacterial cellulose / graphene is realized through pi-pi interaction between the graphene and metal phthalocyanine molecules; the synthesis method comprises the following steps: adding a graphene dispersion liquid subjected to ultrasonic treatment and a tetrasulfonic metal phthalocyanine solution into a bacterial cellulose basal culture medium, and statically culturing acetobacter xylinumat 30 DEG C; and cleaning the obtained product with a hydrochloric acid solution, a sodium hydroxide solution and ultrapure water to obtain the BC / G / MPc ternary composite catalyst. The bacterial BC / G / MPc ternary composite catalyst prepared by adopting the technical scheme has the advantages of simple equipment, simple and convenient process, easiness in post-treatment, easiness in operation and the like.
Owner:杭州沁欣环保科技有限公司

Mucosal vaccine composition

The present invention aims at providing a vaccine composition capable of being administered to an intraoral mucous membrane, ocular mucous membrane, ear mucous membrane, genital mucous membrane, pharyngeal mucous membrane, respiratory tract mucous membrane, bronchial mucous membrane, pulmonary mucous membrane, gastric mucous membrane, enteric mucous membrane, or rectal mucous membrane, that is safe, useful as a prophylactic or therapeutic agent for infectious diseases or cancers, and capable of effectively inducing the systemic immune response and mucosal immune response. The present invention provides a mucosal vaccine composition to be administered to at least one mucous membrane selected from the group consisting of a human or animal intraoral mucous membrane, ocular mucous membrane, ear mucous membrane, genital mucous membrane, pharyngeal mucous membrane, respiratory tract mucous membrane, bronchial mucous membrane, pulmonary mucous membrane, gastric mucous membrane, enteric mucous membrane, and rectal mucous membrane, the mucosal vaccine composition containing: at least one antigen; and as an adjuvant, a lipopolysaccharide derived from at least one gram-negative bacterium selected from the group consisting of Serratia, Leclercia, Rahnella, Acidicaldus, Acidiphilium, Acidisphaera, Acidocella, Acidomonas, Asaia, Belnapia, Craurococcus, Gluconacetobacter, Gluconobacter, Kozakia, Leahibacter, Muricoccus, Neoasaia, Oleomonas, Paracraurococcus, Rhodopila, Roseococcus, Rubritepida, Saccharibacter, Stella, Swaminathania, Teichococcus, Zavarzinia, Pseudomonas, Achromobacter, Bacillus, Methanoculleus, Methanosarcina, Clostridium, Micrococcus, Flavobacterium, Pantoea, Acetobacter, Zymomonas, Xanthomonas, and Enterobacter, or a salt thereof, wherein a mass ratio between the adjuvant and the antigen (total mass of the adjuvant / total mass of the antigen) is 0.002 to 500.
Owner:NITTO DENKO CORP

Preparation method of apple enzyme functional beverage

The invention discloses a preparation method of an apple enzyme functional beverage, and belongs to the technical field of food. The preparation method comprises the steps of taking apples, white granulated sugar and purified water as raw materials, inoculating a fermentation preparation for three times of fermentation in sequence, firstly inoculating saccharomyces cerevisiae with the inoculationamount of 0.1-0.2%, fermenting for 5 d, and sterilizing; inoculating Acetobacter pasteurianus with the inoculation amount of 1.2-1.8%, fermenting for 3 d, and sterilizing; finally inoculating lactobacillus plantarum with the inoculation amount of 1.2-1.8%, fermenting for 4 days, and sterilizing. Compared with the gamma-aminobutyric acid prepared by simultaneous fermentation of the three bacteria,the content of the gamma-aminobutyric acid is low, and the content of total phenols and crude polysaccharides is high. The apple enzyme functional beverage disclosed by the invention is wide in raw material source, low in price, unique in sweet and sour taste and mellow in mouthfeel; the product has stable quality, no preservative, rich metabolite and easy absorption by human body. The apple enzyme functional beverage can clear toxins in the body, clear free radicals, delay aging, resist cancer, maintain beauty and keep young, enhance memory and improve immunity.
Owner:HEBEI AGRICULTURAL UNIV.

Black fungus mycelia and black garlic vinegar

The invention relates to black fungus mycelia and black garlic vinegar. The black fungus mycelia and black garlic vinegar is prepared by the following method: putting garlic with peel into an incubator, and performing fermentation at high temperature so as to obtain black garlic; peeling the black garlic, thoroughly cleaning the peeled black garlic, adding water, and grinding the cleaned black garlic with the water into black garlic serosity with a colloid mill; performing pasteurization, inoculating the activated black fungus mycelia fluid into the black garlic serosity, adding magnesium sulphate, and performing incubation in a fermenter; after black fungus mycelia grows out of the black garlic serosity, adding basic liquor of white spirit for blending so as to obtain a solution, regulating the alcoholic strength of the solution to 4-5 degrees, inoculating mixed bacteria of lactic acid bacteria and acetobacter diazotrophicus to the solution with the alcoholic strength of 4-5 degrees for fermentation, performing sealing and aging fermentation on liquor at 5-8 DEG C for 2-3 months, and performing filtration and filling so as to obtain the black fungus mycelia and black garlic vinegar. According to the black fungus mycelia and black garlic vinegar disclosed by the invention, the nutrient substances of the black funguses and the nutrient substances of the black garlic are utilized, so that the black garlic vinegar is rich in flavor substances, acid and smooth in mouth feel, and rich and mellow in vinegar fragrance; the black fungus mycelia is inoculated, so that the black fungus mycelia and black garlic vinegar is extremely high in antioxidant activity capacity, enables skins of people to be rosy and glowing, and can dredge and lubricate intestines and stomachs.
Owner:HUBEI UNIV OF TECH

Phthalocyanine catalyst for dye wastewater treatment and preparation method thereof

ActiveCN113318790AHigh catalytic efficiencyExcellent catalytic oxidation degradation activityOrganic-compounds/hydrides/coordination-complexes catalystsWater contaminantsGluconacetobacter intermediusPtru catalyst
The invention discloses a phthalocyanine catalyst for dye wastewater treatment and a preparation method thereof. According to the preparation method, silver ions are reduced and attached to a phthalocyanine-nanocellulose binary catalyst by using a microorganism. The microorganism is gluconacetobacter intermedius, acetobacter xylinum or acetobacter hansenii; phthalocyanine is sulfamic acid group metal phthalocyanine; and silver ions are provided by silver nitrate, silver acetate or silver lactate. The preparation method comprises the following steps: 1, preparing a glucose culture solution containing phthalocyanine; 2, culturing microorganisms in the culture solution; 3, preparing a mixed solution containing silver ions and glucose; 4, putting a product obtained in the step 2 in the mixed solution obtained in the step 3, and adding the microorganisms; and 5, cleaning the product obtained in the step 4 to obtain the catalyst. According to the above technical scheme, reduction of silver ions on the surface of phthalocyanine is achieved, a chemical reducing agent, a protective agent and an organic solvent do not need to be added in the process, and the method has the advantages of simple operation, mild reaction conditions, green process, low cost and the like.
Owner:浙江庞氏塑业有限公司

Preparation method of heavy metal ion adsorbent based on modified bacterial cellulose

ActiveCN103990441AThe ability to adsorb metal ions is not strongImprove performanceOther chemical processesWater contaminantsFood industryAirlift reactor
The invention discloses a preparation method of a heavy metal ion adsorbent based on modified bacterial cellulose. The preparation method comprises the following steps: adding xylose gluconic acetobacter seed solution into a culture solution fermentation tank filled with sweet wine brewing biogas slurry, adding low-methoxyl pectins solution for fermenting and culturing into a front fermentation mash solution; adding the front fermentation mash solution into an airlift reactor, replenishing the low-methoxyl pectins solution, fermenting and culturing by using the airlift reactor to obtain a mature post-fermentation mash containing micelle modified bacterial cellulose; separating out the micelle modified bacterial cellulose, washing the micelle modified bacterial cellulose for a plurality of times and the immersing the micelle modified bacterial cellulose into NaOH solution, carrying out water bath till the micelle modified bacterial cellulose is semitransparent; finally washing the micelle modified bacterial cellulose with deionized water, drying the micelle modified bacterial cellulose, grinding the micelle modified bacterial cellulose to be greater than 40 meshes and taking the micelle modified bacterial cellulose as the heavy metal ion adsorbent. By adopting the preparation method, the process is simple; the prepared heavy metal ion adsorbent is non-toxic, good in biocompatibility, good in absorption effect on heavy metal ions and applicable to the food industry or the pharmaceutical industry.
Owner:FUJIAN NORMAL UNIV

Preparation method of dragon fruit extracting solution, dragon fruit extracting solution prepared by preparation method and applications of dragon fruit extracting solution

The invention provides a preparation method of a dragon fruit extracting solution, the dragon fruit extracting solution prepared by the preparation method and applications of the dragon fruit extracting solution. The preparation method includes the followings steps: (1) mixing dragon fruit pulp and water, performing squeezing and filtering, and adopting an ion exchange resin column to perform decolorization so as to obtain decolorized dragon fruit squeezing liquid; (2) mixing part of the decolorized dragon fruit squeezing liquid obtained in the step (1) and yeast, and performing fermentation under an anaerobic condition to obtain dragon fruit fermentation broth I; and mixing the rest of the decolorized dragon fruit squeezing liquid obtained in the step (1), acetobacter and lactobacillus plantarum, and performing fermentation under an anaerobic condition to obtain dragon fruit fermentation broth II; and (3) mixing the dragon fruit fermentation broth I and the dragon fruit fermentation broth II obtained in the step (2), and performing fermentation under an anaerobic condition to obtain the dragon fruit extracting solution. The method does not damage the original nutrients of dragon fruits, and the prepared dragon fruit extracting solution is high in biological activity.
Owner:广州善合化工有限公司

Preparation method of edible bacterial cellulose/dietary fiber

The invention discloses a preparation method of edible bacterial cellulose/dietary fiber, and belongs to the technical field of food biology. The preparation method comprises the following steps that1, mixed fruits are washed cleanly and squeezed to be juice, the juice is subjected to centrifugal filtration, and pectase, cellulase and other nutrient matters are added into the filtered juice, andthe mixed serves as a fermentation culture medium; 2, gluconacetobacter xylinum is inoculated, the obtained product is placed in a 30 DEG C constant temperature culture box to be cultured for 10 d, and a bacterial cellulose membrane is formed; and 3, the bacterial cellulose membrane obtained through fermentation is cut to be blocks and stirred and soaked in normal temperature water for 3-5 times,and soaking is conducted for 30-40 min each time; and the sample is placed at the temperature of 90-95 DEG C and stirred for 20-40 min by using a sodium alginate solution with the concentration being0.15-0.3%, and then standing and soaked by using calcium lactate with the concentration being 0.15-0.3% for 20-40 min at the normal temperature. The method utilizes compound fruit juice to serve as afermentation original liquid culture medium to ferment and produce bacterial cellulose. As a novel dietary fiber, bacterial cellulose is rich in nutrient structure, sour and sweet and tasty, has the attractive fragrance and pleasant color and glossiness, supplements a mass of vitamins, mineral substances and part of constant and trace elements which are needed by the human body while promoting human digestion, makes up the defects existing in common dietary fiber, and has the good quality advantage and marketing prospects.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Preparation method of rice vinegar with Auricularia auricula-judae and Hericium erinaceus

InactiveCN107674814ASour taste reliefSoft and SourDigestive systemMicroorganism based processesBearded toothChemistry
The invention discloses a preparation method of rice vinegar with Auricularia auricula-judae and Hericium erinaceus, comprising the steps of (1) soaking and washing Auricularia auricula-judae, washingHericium erinaceus, removing root sundries, drying, and crushing to obtain Auricularia auricula-judae powder and Hericium erinaceus powder; (2) selecting glutinous rice, washing, and crushing to obtain glutinous rice flour; (3) beating the glutinous rice flour, the Auricularia auricula-judae powder and the Hericium erinaceus powder with water to obtain raw pulp of glutinous rice, Auricularia auricula-judae and Hericium erinaceus; (4) inoculating the raw pulp of the step (3) to yeast activated in step (4) to perform alcohol fermenting to obtain alcohol-fermented mash; (5) inoculating Acetobacter to the mash of the step (4), and performing acetic acid fermenting to obtain crude rice vinegar with Auricularia auricula-judae and Hericium erinaceus; (6) purifying the crude rice vinegar with Auricularia auricula-judae and Hericium erinaceus, and sterilizing to obtain the rice vinegar with Auricularia auricula-judae and Hericium erinaceus. The rice vinegar with Auricularia auricula-judae andHericium erinaceus prepared herein has clear color and pure taste, and has a richer market.
Owner:JIANGSU HENGSHUN VINEGAR IND
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