Bacillus licheniformis and traditional Chinese medicine polysaccharide composition and its preparation
A technology of Bacillus licheniformis and a composition, applied in the field of microorganisms, can solve problems such as unfavorable improvement of curative effect, lack of clear influence of traditional Chinese medicine components, etc., and achieve the effects of improving intestinal colonization resistance, promoting significant proliferation and fast onset of effect.
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Embodiment 1
[0013] It proves that effective additive doses of Lycium barbarum polysaccharides, Lentinan polysaccharides, Astragalus polysaccharides, Codonopsis polysaccharides or Acanthopanax polysaccharides can significantly promote the proliferation of Bacillus licheniformis CMCC63516, prolong the logarithmic growth phase of Bacillus licheniformis and shorten the logarithmic growth The doubling time of Bacillus licheniformis bacteria in the early stage can reduce the autolysis rate of bacteria.
[0014] Bacterial species: Bacillus licheniformis CMCC63516 (the strain number of China Medical Bacteria Collection Center)
[0015] Seed medium (g / 100ml): beef powder 0.5, peptone 1.0, NaCl 0.5, pH7.0-7.2.
[0016] Basal medium: same as seed medium.
[0017] Traditional Chinese medicine polysaccharide medium (g / 100ml): beef powder 0.5, peptone 1.0, NaCl 0.5, pH7.0-7.2, add different concentrations of Chinese medicine polysaccharide (0.01, 0.05, 0.10, 0.50, 1.00, 5.00).
[0018] method 【1】 : ...
Embodiment 2
[0029] It is proved that the effective dose of traditional Chinese medicine polysaccharides has different effects on promoting the proliferation of Bacillus licheniformis CMCC63516 under aerobic and anaerobic conditions.
[0030] The preparation of strains, seed medium, basal medium and traditional Chinese medicine polysaccharide medium are all the same as in Example 1.
[0031] method:
[0032] 1, seed preparation method and detection method are all with embodiment one.
[0033] 2. Detect the effect of polysaccharides of traditional Chinese medicine on the growth of Bacillus licheniformis. Culture in anaerobic environment, the gas composition is N 2 85%, H 2 10%, CO 2 5%, the culture temperature and ventilation are the same as in Example 1.
[0034] Table 2 The test results of the ability of traditional Chinese medicine polysaccharides to promote proliferation of CMCC63516 under anaerobic conditions
[0035] (Unit of live bacteria: 10 8 CFU / ml)
[0036]
[0037] It ...
Embodiment 3
[0039] shake tube test [2,3] To confirm the effect of different traditional Chinese medicine polysaccharides on promoting the ability of Bacillus licheniformis CMCC63516 to inhibit conditionally pathogenic Staphylococcus aureus under anaerobic conditions.
[0040] [2] Cheng Xiufang, Liu Hong, Zhang Zhiyan, etc., Research on the antibacterial properties of two strains of probiotics and their synbiotics on the intestinal flora of experimental mice [J] Qilu Pharmaceutical Affairs, 2010, 29(4): 234-236 .
[0041] [3] Wu Tielin, Ge Zhengxing. In vitro antibacterial test observation of antifungal vaccine against Candida albicans [J] Journal of Traditional Chinese Medicine, 2010, 25(146): 101-102.
[0042] Indicator bacteria: Staphylococcus aureus CMCC (B) 26003 was purchased from China Medical Bacteria Collection Center.
[0043] Staphylococcus aureus culture medium and culture conditions: 0.2% glucose, 1.0% peptone, 0.5% NaCl, 0.5% beef extract, pH 7.0, 37°C, 180r / min shaker cult...
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