Bacteriostatic temperature-sensitive gel, and preparation method and application thereof
A temperature-sensitive gel and summation technology, applied in the field of medicine, can solve the problems of local anti-inflammation, poor bactericidal effect, inconvenient administration, and low gel strength, so as to enhance antibacterial and anti-oxidation effects, avoid uneven drug distribution, Avoid the effect of medication dead ends
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Embodiment 1
[0032] This embodiment provides an antibacterial thermosensitive gel, which includes the following raw material components:
[0033] Traditional Chinese medicine stock solution (raw material components Scutellaria baicalensis 50g, rhubarb 50g, Phellodendron 50g, purslane 50g) 20g, clove oil 0.35g, chitosan 5g, 1% acetic acid 500ml, 95% ethanol 100ml, chlorhexidine acetate 0.25g, propane Triol 9.98g, Tween 80 5g, Poloxamer 407 20g, Poloxamer 188 2g, hydroxypropyl methylcellulose 5g, silver nitrate 2g.
[0034] The antibacterial thermosensitive gel of the present embodiment is prepared by the following method:
[0035] Scutellaria baicalensis, rhubarb, phellodendron, and purslane were extracted three times with water, allowed to cool, filtered, and the filtrates were combined to obtain an extract. In this step, Scutellaria baicalensis, rhubarb, Cortex Phellodendri, and purslane can be extracted three times respectively, cooled, filtered, and all filtrates are combined; Scutella...
Embodiment 2
[0044] Traditional Chinese medicine stock solution (raw material components Scutellaria baicalensis 120g, rhubarb 120g, Phellodendron 100g, purslane 100g) 250g, clove oil 30g, 95% ethanol 200ml, chlorhexidine acetate 2g, glycerol 101g, Tween 80 56g, poloxa Mu 407 188g, poloxamer 188 21g, hydroxypropyl methylcellulose 49g, chitosan 5g, 1% acetic acid 500ml, silver nitrate 20g.
[0045] The antibacterial thermosensitive gel of the present embodiment is prepared by the following method:
[0046] Mix Scutellaria baicalensis, rhubarb, Cortex Phellodendri, and purslane, and use water to decoct and extract the raw materials of traditional Chinese medicine twice. The first time is 4000ml of water, the second time is 2500ml of water, the first time is extracted for 40 minutes, and the second time is decocted to extract After 30 minutes, let it cool, filter, and concentrate the filtrates to a clear cream with a drug-to-liquid ratio of 70 mg / mL (50°C); then add 1% chitosan solution (diss...
Embodiment 3
[0052] Traditional Chinese medicine stock solution (raw material components Scutellaria baicalensis 150g, rhubarb 150g, Phellodendron 135g, purslane 135g) 300g, clove oil 30g, 95% ethanol 200ml, chlorhexidine acetate 5g, glycerol 120g, Tween 80 60g, poloxa Mu 407 250g, poloxamer 188 30g, hydroxypropyl methylcellulose 60g, chitosan 5g, 1% acetic acid 1000ml, silver nitrate 20g.
[0053] The antibacterial thermosensitive gel of the present embodiment is prepared by the following method:
[0054] Mix Scutellaria baicalensis, rhubarb, Cortex Phellodendri, and purslane, and use water to decoct and extract the raw materials of traditional Chinese medicine twice. The first time is 4000ml of water, the second time is 2500ml water, the third time is 2000mL, the first time is extracted for 40 minutes, and the second time is 2000mL. Decoct for 30 minutes for the second extraction, 20 minutes for the third extraction, let cool, filter, combine the filtrates and concentrate to a clear past...
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