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1086 results about "Bacteriostatic agent" patented technology

A bacteriostatic agent or bacteriostat, abbreviated Bstatic, is a biological or chemical agent that stops bacteria from reproducing, while not necessarily killing them otherwise. Depending on their application, bacteriostatic antibiotics, disinfectants, antiseptics and preservatives can be distinguished. When bacteriostatic antimicrobials are used, the duration of therapy must be sufficient to allow host defense mechanisms to eradicate the bacteria. Upon removal of the bacteriostat, the bacteria usually start to grow again. This is in contrast to bactericides, which kill bacteria.

Preparation method for aseptic containing compound clove/cinnamon extracts and aseptic application of aseptic in sauce products

The invention belongs to the field of aseptic technologies integrating compound natural aseptic and bacteriostatic agents and flexible sterilizing conditions, and relates to a preparation method for an aseptic containing compound clove/cinnamon extracts and the aseptic application of the aseptic in sauce products. The compound clove/cinnamon extracts are firstly prepared, and the aseptic containing the compound clove/cinnamon extracts is prepared afterwards; the aseptic application of the aseptic in sauce products is characterized in that the addition of the aseptic with a mass fraction of 0.2 percent is integrated with the condition that sterilization is carried out for 20-30 minutes at a temperature of 85 DEG C for the aseptic and bacteriostatic purposes, so as to achieve the one-year shelf life of sauce products and good bacteriostatic and aseptic effects. According to the invention, the compound clove/cinnamon extracts have the advantages of high safety and wide bacteriostatic range, and the aseptic containing the compound clove/cinnamon extracts has high water solubility and stability; the aseptic method can not only kill microorganisms in sauce products but also better preserve nutrients in sauce products, and is an aseptic approach remarkably integrating natural aseptic materials and flexible sterilization, thereby achieving broad application prospects.
Owner:GUANGDONG JIAHAO FOOD +1

Environment-friendly waterproof bacteriostatic paint and preparation method thereof

The invention relates to environment-friendly waterproof bacteriostatic paint and a preparation method thereof. The environment-friendly waterproof antibacterial paint is prepared through ylate emulsion, polyurethane emulsion, nanometer aluminium oxide, talcum powder, a dispersing agent, an absorbing agent, a curing agent, a bacteriostatic agent, a thixotropic agent, a thickening agent, an anti-aging agent, deionized water and the like. The environment-friendly waterproof antibacterial paint comprises, by weight, 15-20 parts of the ylate emulsion, 15-20 parts of the polyurethane emulsion, 6-7 parts of the nanometer aluminium oxide, 5-7 parts of the talcum powder, 5-6 parts of the dispersing agents, 5-6 parts of the absorbing agents, 7-8 parts of the curing agents, 5-6 parts of the bacteriostatic agents, 4-5 parts of the thixotropic agents, 5-6 parts of the thickening agents, 3-4 parts of the anti-aging agents and 22-25 parts of the deionized water. The formaldehyde emission of the environment-friendly waterproof antibacterial paint is 0 g/l, the value of TVOC is 0 g/l, and meanwhile the environment-friendly waterproof antibacterial paint has the effects of water resistance, bacterium inhibition and algal inhibition and is wider in application range.
Owner:CHUZHOU HONGYUAN SPRAYING

Freshness-keeping and water-retaining agent for prawns

The invention relates to a freshness-keeping and water-retaining agent for prawns, belonging to the technical field of processing of aquatic products processing. The freshness-keeping and water-retaining agent is prepared from the following ingredients in percentage by weight: 5-10% of water-soluble chitosan, 10-20% of carboxymethyl chitosan, 10-20% of mycose, 5-10% of an antioxidant, 10-20% of konjac polysaccharide degradation product, and the balance of dextrin. For the freshness-keeping and water-retaining agent, konjac polysaccharide with strong hygroscopic property is degraded into oligosaccharide, which serves as a main auxiliary material of the water-retaining agent, the water-soluble chitosan is taken as a main auxiliary material for a bacteriostatic agent, and the carboxymethyl chitosan is taken as a film-forming agent, so as to prepare the freshness-keeping and water-retaining agent for prawns. After the freshness-keeping and water-retaining agent for prawns is applied to prawn processing, the freshness-keeping time of the prawns can be prolonged, blackening of the prawns is prevented, during refrigeration storage process of the prawns, water can be kept, and loss caused by drying loss is prevented. A processing technology of the freshness-keeping and water-retaining agent is simple, and easy to operate, and expected use effect can be achieved.
Owner:GUANGDONG OCEAN UNIVERSITY

Gel mask matrix and preparation technology thereof

The invention, relating to cosmetics, discloses a gel mask matrix and a preparation technology thereof. The gel mask matrix comprises carbomer, polyacrylic resin, polyvinyl alcohol, sodium carboxymethylcellulose, polyvinylpyrrolidone, a moisturizer, a cross-linking agent, EDTA, a bacteriostatic agent, deionized water and a pH regulator. The preparation technology comprises the following steps: dispersing polyacrylic resin, sodium carboxymethylcellulose, the cross-linking agent, EDTA and the bacteriostatic agent in the moisturizer, and mixing uniformly to obtain a liquid A; dissolving polyvinylpyrrolidone in proper amount of water, paving carbomer on the liquid surface of the aqueous solution of polyvinylpyrrolidone, standing for 12-24 h for swelling, uniformly stirring for subsequent use, and adding polyvinyl alcohol in proper amount of water, dissolving with heating, and uniformly mixing the aqueous solution of polyvinyl alcohol with the ready aqueous solution of polyvinylpyrrolidone to form a liquid B; adding the liquid A in a stirring state in the liquid B and mixing uniformly to form a gel matrix, regulating the pH value of the mixture to 6.5-8.0 with the pH regulator, and completely refining to obtain the gel mask matrix. The gel mask matrix can be used for preparing gel masks with various functions.
Owner:舒朝锋 +1

Composite biological bacteriostatic agent and method for controlling decomposition of cooled meat thereby cooperated with ultra-high pressure

The invention discloses a composite biological bacteriostatic agent and a method for controlling cooled-meat decay through the synergy of same and superhigh pressure. The composite biological bacteriostatic agent for controlling cooled-meat decay comprises the following bacteriostatic agents in portion by weight: 0.01 to 0.02 portion of egg white lysozyme, 0.005 to 0.01 portion of chitosan, 0.001 to 0.002 portion of nisin, and the balance being sterile water. The method for controlling cooled-meat decay through the synergy of the composite biological bacteriostatic agent and superhigh pressure comprises the following steps that: a, cooled meat subjected to acid discharge is soaked in the composite biological bacteriostatic agent for 1 minute, or a composite biological bacteriostatic agent solution is put in a sterilized spray can and uniformly sprayed on the surface of a meat lump; b, the cooled meat treated in a step a is leached and packaged in vacuum; and c, the cooled meat packaged in a step b is kept under the pressure between 100 and 180 MPa for 5 to 15 minutes, and then the pressure is released. The method has the advantage of combining a biological preservation technique with a food superhigh pressure technique for the freshness keeping and tenderization of the cooled meat so as to improve the safety and eating quality of the cooled meat.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Morpholine fatty acid salt fresh-keeping fruit wax used in mango

The invention discloses nano-silicon oxide morpholine fatty acid salt fresh-keeping fruit wax used in mango, which aims to solve the problems that the prior art has poor fresh-keeping effects and high cost, and is not suitable for mechanized operation. The morpholine fatty acid salt fresh-keeping fruit wax comprises the following raw materials: 20 to 30 parts of morpholine fatty acid salt, 60 to 100 parts of raw wax, 10 to 30 parts of ethanol, 5 to 15 parts of propylene glycol, 5 to 15 parts of glycol, 1 to 2 parts of sodium dehydroacetate, 5 to 20 parts of emulsified dispersion solution of nano-silicon oxide (SiOx), 5 to 30 parts of Ph regulator, 800 to 900 parts of water, and 50 to 200ppm of plant growth regulator. The nano-silicon oxide morpholine fatty acid salt fresh-keeping fruit wax has the advantages that the fruit wax has good cere flexibility and adhesiveness and does not cause surface whitening; meanwhile, the fruit wax reduces moisture dissipation and prevents microbial infection, thereby lowering rotting rate and morbidity and prolonging storage time; and therefore, the fruit wax can be used in manual film coating or mechanical waxing, and can also be used as release carrier of bacteriostatic agent and bactericide.
Owner:甘肃省农业科学院农产品贮藏加工研究所

Biodegradable adhesive sticker label

The invention relates to a biodegradable adhesive sticker label. The biodegradable adhesive sticker label comprises a surface material layer, an adhesive layer and backing paper, wherein the adhesive layer is positioned between the surface material layer and the backing paper, the backing paper adopts silicone oil-coated glassine paper, and the surface material layer comprises the following compositions in part by weight: 30-70 parts of PHA, 0-150 parts of polylactic acid, 0-50 parts of starch, 1-15 parts of plasticizer, 0.3-1 part of nucleating agent, and 1-10 parts of lubricating agent; the adhesive layer comprises the following compositions in part by weight: 20-60 parts of starch, 90-110 parts of water, 5-50 parts of PHA, 0.5-20 parts of alkaline matters, 0.5-10 parts of water-proofing agent, 0.1-5 parts of crosslinking agent, and 0.1-5 parts of bacteriostatic agent. Complete biodegradation can be realized without compost treatment; the adhesive sticker label has better mechanical property according to weight part proportion of all compositions, and the viscosity, the water resistance and the binding strength of oxidized starch can be effectively regulated and improved. In addition, the label has the characteristics of being simple in structure, simple and convenient in preparation process, and low in cost.
Owner:中国印刷科学技术研究院有限公司
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