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2357 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.

Purely natural edible multifunctional preservative film

The invention discloses a purely natural edible multifunctional preservative film having natural and edible characteristics. The preservative film is multifunctional because a chitosan serving as a water-retaining agent, a natural plant extract serving as a bacteriostatic agent and an antioxidant act synergistically. The purely natural edible multifunctional preservative film of the invention is mainly used for storing meat products, in particular to preserving fresh cooled meat and is economical and reliable, convenient in use, high in safety and environment-friendly.
Owner:QINGDAO AGRI UNIV +2

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

Novel hydrogel scar patch and its preparation process

The invention relates to a novel hydrogel scar patch and its preparation process. The hydrogel scar patch is composed of a support layer, a hydrogel layer and an isolation layer. The scar patch is characterized in that the hydrogel layer consists of the following components by mass: 0.4-3% of a water-soluble high polymer compound Carbomer, 4-8.5% of polyacrylic acid resin, 0.1-1% of polyvinyl alcohol, 0.1-2% of sodium carboxymethyl cellulose, 0.01-0.5% of polyvinyl pyrrolidone, 20-30% of a moisturizing agent, 0.03-0.3% of a cross-linking agent, 0.02-0.3% of EDTA, 0.05-1% of a bacteriostatic agent, 50-70% of deionized water, a proper amount of a pH conditioning agent, and 1-20% of a drug.
Owner:HANGZHOU JUJIU SCI & BIOTECHNOLOGY CO

Sustained-release oral ulcer film having biological adhesion and preparation method of sustained-release oral ulcer film

The invention relates to a sustained-release oral ulcer film having biological adhesion and a preparation method of the sustained-release oral ulcer film. According to the formula, the sustained-release oral ulcer film having the biological adhesion consists of the following components in percentage by weight: 5-50% of a bio-adhesion material, 5-80% of a sustained-release film forming material, 0.5-10% of a medicine, 1-50% of a supporting agent, 1-20% of a plasticizer, 0.1-0.5% of a bacteriostatic agent and 0.5-1% of a flavoring agent. The film provided by the invention, which is prepared in a specific production mode, is good in stability, and excellent biological adhesion and sustained-release performance of the film can be kept for a long time; a soluble sustained-release gel can be gradually formed as the film is adhered to an ulcer surface and absorbs water, so that contact of the ulcer surface with external side is prevented; the oral ulcer film provided by the invention has the characteristics of diminishing inflammation, alleviating pain, achieving an antibacterial effect and being free from toxins, irritation, mutagenic action and the like; and the oral ulcer film can promote growth of blood vessel endothelium and proliferation of fibroblasts and keratinocytes, and subsequently, the oral ulcer film can promote regeneration, repair of healing of the ulcer surface.
Owner:HARBIN QIANBAINA BIOPHARM

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
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