Synthetic medium as well as preparation method and use thereof
A technology for synthesizing culture medium and glucose, which is applied in the field of fermentation, can solve the problem of low synthetic content of products, and achieve the effects of simple preparation, increased yield, and simple preparation method
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Embodiment 1
[0031] This specific embodiment provides a kind of synthetic culture medium, and its composition and mass concentration thereof are as follows:
[0032] Glucose·H 2 O 28g / L, xylose 0.5g / L, ammonium sulfate 3g / L, sodium nitrate 2.3g / L, potassium chloride 0.5g / L, potassium dihydrogen phosphate 2.2g / L, ferrous sulfate 0.05g / L, Magnesium sulfate 0.045g / L, cobalt chloride 0.012g / L, calcium carbonate 4g / L, phenylalanine 0.05g / L, vitamin VB120.006g / L, vitamin VB30.0055g / L, biotin 0.015g / L , betaine 0.05g / L, and the remaining balance is water.
[0033] The preparation method of the synthetic medium is as follows:
[0034] Add xylose, ammonium sulfate, sodium nitrate, potassium chloride, potassium dihydrogen phosphate, ferrous sulfate, magnesium sulfate, cobalt chloride, phenylalanine, vitamin VB12, vitamin VB3, biotin, betaine into water and mix , adjust the pH value of the solution to 7.2-7.5;
[0035] Add calcium carbonate to the above solution and mix well, then sterilize at 12...
Embodiment 2
[0069] This specific example provides another embodiment of a kind of synthetic medium, and its composition and mass concentration thereof are as follows:
[0070] Glucose·H 2 O 10g / L, xylose 0.2g / L, ammonium sulfate 3g / L, sodium nitrate 2g / L, potassium chloride 0.2g / L, potassium dihydrogen phosphate 1g / L, ferrous sulfate 0.02g / L, magnesium sulfate 0.03g / L, cobalt chloride 0.005g / L, calcium carbonate 2g / L, phenylalanine 0.01g / L, vitamin VB120.001g / L, vitamin VB30.001g / L, biotin 0.001g / L, sugar beet Alkali 0.01g / L, the remaining balance is water.
[0071] The preparation method of the synthetic medium is as follows:
[0072] Add xylose, ammonium sulfate, sodium nitrate, potassium chloride, potassium dihydrogen phosphate, ferrous sulfate, magnesium sulfate, cobalt chloride, phenylalanine, vitamin VB12, vitamin VB3, biotin, betaine into water and mix , adjust the pH value of the solution to 7.2-7.5;
[0073] Add calcium carbonate to the above solution and mix well, then steri...
Embodiment 3
[0078] This specific example provides another embodiment of a synthetic culture medium, its composition and mass concentration are as follows:
[0079] Glucose·H 2 O 30g / L, xylose 1g / L, ammonium sulfate 10g / L, sodium nitrate 5g / L, potassium chloride 0.8g / L, potassium dihydrogen phosphate 3g / L, ferrous sulfate 0.08g / L, magnesium sulfate 0.06 g / L, cobalt chloride 0.02g / L, calcium carbonate 10g / L, phenylalanine 0.05g / L, vitamin VB120.01g / L, vitamin VB30.02g / L, biotin 0.03g / L, betaine 0.1g / L, the remaining balance is water.
[0080] The preparation method of the synthetic medium is as follows:
[0081]Add xylose, ammonium sulfate, sodium nitrate, potassium chloride, potassium dihydrogen phosphate, ferrous sulfate, magnesium sulfate, cobalt chloride, phenylalanine, vitamin VB12, vitamin VB3, biotin, betaine into water and mix , adjust the pH value of the solution to 7.2-7.5;
[0082] Add calcium carbonate to the above solution and mix well, then sterilize at 121°C for 25 minute...
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