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    • 1. 发明授权
    • Microbial culture medium and cultural method
    • 微生物培养基和培养方法
    • US09434967B2
    • 2016-09-06
    • US14041473
    • 2013-09-30
    • ENN Science and Technology Development Co., Ltd.
    • Minsheng LiuQian FengZhongzhen CaiLin Wang
    • C12P7/64C12N1/12
    • C12P7/6427C12N1/12
    • The present invention discloses a microbial culture medium and a cultural method. The culture medium comprises a combination of strong acid-weak alkali salts and strong alkali-weak acid salts so that pH value thereof can be regulated and controlled in a stable and suitable range by itself, thus decreasing or eliminating an operable regulation on pH value via an external device in fermentation process and a risk of contaminations resulted from it in fermentation process as well, accordingly greatly improving the controllability and stability of the fermentation process. Meanwhile the ammonium salts acting as strong acid-weak alkali salts can be used as a nitrogen source to replace yeast cream to realize a decreased amount of nitrogen resource of high price, therefor sharply reducing the cost of the culture medium.
    • 本发明公开了微生物培养基和培养方法。 培养基包括强酸弱碱性盐和强碱弱酸盐的组合,使得其pH值可以自身调节和控制在稳定和合适的范围内,从而减少或消除pH值通过的可操作的调节 发酵过程中的外部装置和发酵过程中产生的污染风险,从而大大提高了发酵过程的可控性和稳定性。 同时,作为强酸弱碱性盐的铵盐可用作氮源来代替酵母膏,实现高价格的氮资源量的减少,从而大大降低了培养基的成本。
    • 6. 发明申请
    • MICROBIAL CULTURE MEDIUM AND CULTURAL METHOD
    • 微生物培养基和文化方法
    • US20140093922A1
    • 2014-04-03
    • US14041473
    • 2013-09-30
    • ENN Science and Technology Development Co., Ltd.
    • Minsheng LIUQian FengZhongzhen CaiLin Wang
    • C12P7/64
    • C12P7/6427C12N1/12
    • The present invention discloses a microbial culture medium and a cultural method. The culture medium comprises a combination of strong acid-weak alkali salts and strong alkali-weak acid salts so that pH value thereof can be regulated and controlled in a stable and suitable range by itself, thus decreasing or eliminating an operable regulation on pH value via an external device in fermentation process and a risk of contaminations resulted from it in fermentation process as well, accordingly greatly improving the controllability and stability of the fermentation process. Meanwhile the ammonium salts acting as strong acid-weak alkali salts can be used as a nitrogen source to replace yeast cream to realize a decreased amount of nitrogen resource of high price, therefor sharply reducing the cost of the culture medium.
    • 本发明公开了微生物培养基和培养方法。 培养基包括强酸弱碱性盐和强碱弱酸盐的组合,使得其pH值可以自身调节和控制在稳定和合适的范围内,从而减少或消除pH值通过的可操作的调节 发酵过程中的外部装置和发酵过程中产生的污染风险,从而大大提高了发酵过程的可控性和稳定性。 同时,作为强酸弱碱性盐的铵盐可用作氮源来代替酵母膏,实现高价格的氮资源量的减少,从而大大降低了培养基的成本。