Method for screening anti-bacterial adhesion inhibitors and preparation of anti-adhesion oral liquid
An anti-bacterial adhesion and oral liquid technology, applied in antibacterial drugs, biochemical equipment and methods, pharmaceutical formulations, etc., can solve problems such as false negatives of anti-bacterial adhesion inhibitors
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Embodiment 1
[0023] Embodiment 1: the preparation of antibacterial adhesion oral liquid of the present invention
[0024] 1. Materials and methods
[0025] (1) Materials: The rhizomes of Lengshuihua were collected from Thunder Rock Canyon, Guiyang City, the honeysuckle was collected from Lover Valley, Guiyang City, and the poria cocos was purchased from Jiuchao Township, Liping County, Guizhou Province. The rhizomes of Lengshuihua are chopped and dried in the shade, the honeysuckle is dried in the shade, the poria cocos is peeled and cut into cubes or slices, and dried in the shade for later use. Kombucha was purchased from the Kombucha Cultivation and Research Center in Yueyang City, Hunan Province.
[0026] (2) Method: Dried 400 grams of the neck root and 600 grams of honeysuckle in cold water, added 6 liters of water and decocted three times to obtain 4 liters of the filtrate, concentrated to obtain the extract, put the extract in a water bath and evaporated to dryness, and obta...
Embodiment 2
[0033] Embodiment 2: anti-bacterial adhesion oral liquid of the present invention anti-bacterial infection animal test
[0034] 1. Materials and methods
[0035] (1) Materials: Escherichia coli U07, Salmonella enteritidis ATCC 13076, Kunming mice, New Zealand white rabbits.
[0036] (2) method
[0037] a. Mice artificially infected with Escherichia coli and Salmonella enteritidis and treatment experiment. Kunming mice were purchased from the Animal Center of Guiyang Medical College. Mice were divided into infection model group (water supply), anti-bacterial adhesion oral liquid group of the present invention (three measurements, 0.1, 0.3, 0.6 ml / mouse), amoxicillin group (10 mg / mouse), kombucha liquid group (0.6 ml / mouse), cold Jinling aqueous solution group (that is, without kombucha fermentation) (0.6 ml / mouse), 12 mice in each group, half male and half male. After the mice were fasted for 12 hours, 0.2ml (1×10 8 CFU / ml) bacterial suspension (blunt needle ins...
Embodiment 3
[0049] Embodiment 3: Determination of the anti-bacterial adhesion effect of medicine based on culture fluid slide immersion method
[0050] 1. Materials and methods
[0051] (1) Experimental materials: ordinary broth, rifamycin, anti-bacterial adhesion oral solution of the present invention, Escherichia coli U07 strain (isolated from a clinical patient with urinary tract infection).
[0052] (2) Experimental method
[0053] (a) Crystal violet chromogenic method (traditional method): Rifamycin is used as a positive control drug. Rifamycin is first dissolved in a small amount of DMSO (dimethyl sulfoxide), and then diluted with ordinary broth (the final concentration of DMSO is less than 0.5%) into 2, 4, 8 solution (the minimum inhibitory concentration (MIC) of rifamycin against Escherichia coli U07 strain measured before the experiment was 16 ). The anti-bacterial adhesion oral liquid of the present invention is diluted into 0.5, 1, 2% (V / V) solutions with common br...
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