It is widely used in agriculture, food, medicine and industry. Use of chitin and its derivatives A large number of studies have shown that chitin and its derivatives have film forming, spinnability, anticoagulation, promote wound healing and other functions. Therefore, chitin and its derivatives have been widely used in many fields such as food, biochemistry, medicine, daily cosmetics and sewage treatment. Their main uses are summarized as follows. Application in food industry Chitosan can be used as binder, humectant, clarifier, filler, emulsifier, glazing agent and thickening stabilizer in food industry. In pharmaceuticals, it is useful materials for bandages, medical fibres, artificial tissues, antibacterial agents, drug delivery materials, hemostatic agents, medical dressings, absorbable suture materials, contact lens and so on. It can also be used in cosmetics to relive wrinkles, whiten and smoothen skin.
COA:
When the concentration was 0.4%, it had strong inhibitory effect on Escherichia coli, Proteus common, Bacillus subtilis and Staphylococcus aureus. In addition, chitosan with different degree of deacylation has different antibacterial properties, and chitosan with high degree of deacylation has strong anti-fungal ability. One reason is that chitosan interacts with the surface of mold cells to increase cell permeability. The antiseptic effect of chitosan, sodium acetate and hexicalbook diacid was more obvious, and did not affect the flavor of food. The antibacterial action of chitosan mainly has the following two mechanisms: one is that chitosan adsorbed on the cell surface to form a layer of molecular membrane, preventing the transport of nutrients into the cell, thus playing a bacteriostatic bactericidal effect; Another mechanism is that chitosan penetrates into the cell body, absorbs the cytoplasm with anions in the cell body, and flocculates to disrupt the normal physiological activities of the cell, thus killing bacteria. Because the cell wall structure of Gram-positive bacteria and gram-negative bacteria is different, the two kinds of effects on them are different, so chitosan with different molecular weight has different antibacterial mechanism.
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A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,
we will send you free goods for replacement or refund your loss.
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