Hydrogel dressing with bacteriostatic and repairing effects and preparation method thereof

By extracting Phellinus linteus polysaccharide using an ultrasound-assisted cellulase method and combining it with honeysuckle hydrosol, a hydrogel dressing was prepared. This solved the problems of high extraction difficulty and lack of application of Phellinus linteus polysaccharide, and realized a hydrogel dressing with antibacterial and repair functions, exhibiting good antibacterial and antioxidant effects.

CN120815216AActive Publication Date: 2025-10-21FEILANG BIOTECHNOLOGY (HUBEI) CO LTD
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Patent Information

Application Number
CN202511315777.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-16
Publication Date
2025-10-21
Estimated Expiration
2045-09-16

AI Technical Summary

Technical Problem

The extraction of Phellinus linteus polysaccharide in existing technologies is difficult and it is easily deactivated, which limits its application under high temperature conditions. Furthermore, the antibacterial and repair functions of Phellinus linteus polysaccharide in cosmetics have not yet been realized.

Method used

A hydrogel dressing was prepared by extracting Phellinus linteus polysaccharide using an ultrasonic-assisted cellulase method and combining it with honeysuckle hydrosol. The process is simple, green and environmentally friendly. The hydrogel dressing with antibacterial and antioxidant properties is prepared by utilizing the antibacterial and repairing properties of Phellinus linteus polysaccharide and honeysuckle hydrosol.

Benefits of technology

The extraction efficiency of Phellinus linteus polysaccharide was improved, and the prepared hydrogel dressing has good antibacterial and antioxidant capabilities, making it suitable for emergency soothing of damaged skin and long-term anti-aging, and it is gentle and non-irritating to the skin.

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Abstract

The hydrogel dressing is prepared from the following components in parts by weight: 18 to 22 parts of honeysuckle hydrolat, 6 to 8 parts of phellinus igniarius polysaccharide extract, 1 to 3 parts of gelatin, 2 to 4 parts of humectants and 1 to 3 parts of nutritional agents. According to the method, the polysaccharide in the phellinus igniarius powder is extracted by adopting an ultrasonic synergistic cellulase method, cellulose in plants can be effectively degraded by utilizing cellulase, so that plant cell walls are effectively broken, plant cell polysaccharide is effectively dissolved out, the extraction amount of the phellinus igniarius polysaccharide is increased, and the method is simple in process, low in price, mild in condition and free of environmental pollution; the green industrial production is facilitated. The phellinus igniarius polysaccharide prepared by the invention not only has strong antibacterial ability, but also has good antioxidant ability, and is easier to deeply nourish skin. The weakly acidic honeysuckle hydrolat which is strong in anti-inflammatory and antibacterial capability and natural in source is adopted to replace deionized water to prepare the cosmetic, so that the honeysuckle hydrolat is weakly acidic and is more attached to the skin, and the special plant fragrance emitted by the honeysuckle hydrolat can also please the mind and body.
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Citation Information

Patent Citations

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  • Phellinus igniarius polysaccharide extract, preparation method and applications thereof, and skin external application agent containing Phellinus igniarius polysaccharide extract

    CN107501422A

  • Hydrogel for promoting wound healing and preparation method thereof

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