筛网对木葡糖醋杆菌变异的控制 |
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引用本文: | 王志国,李从发,钟春燕,向东,王锡彬.筛网对木葡糖醋杆菌变异的控制[J].中国酿造,2014(11):67-69. |
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作者姓名: | 王志国 李从发 钟春燕 向东 王锡彬 |
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作者单位: | 海南大学食品学院;海南椰国食品有限公司; |
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基金项目: | 海南省重大科技项目(ZDZX2013011) |
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摘 要: | 以1000 m L烧杯为容器,木葡糖醋杆菌在静置培养时,培养液体积为100 m L时,没有变异;增至300 m L时,发生变异,纤维素产量下降38.8%,培养液体积增至700 m L时,变异菌数量高达1.3×10^6 C FU /m L,纤维素产量下降76.3%;120 r/m in振荡培养更易发生变异,两种方式培养下的变异现象通过筛网使用而得到控制,从而提高了纤维素产量。
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关 键 词: | 木葡糖醋杆菌 变异 筛网 |
Inhibition of mesh filter on mutation of Gluconacetobacter xyl/nus |
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Affiliation: | WANG Zhiguo, LI Congfa, ZHONG Chunyan, XIANG Dong, WANG Xibin (1.College of Food Science and Technology, Hainan University, Haikou 570228, China; 2.Hainan Yeguo Foods Co., Ltd., Haikou 570311, China) |
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Abstract: | U sing 1 000 m lbeakerascontainer,understationary cultivation ofG luconacetobacterxylinus,m utation didn’toccurw hen the loading vol-um e w as100 m l.H ow ever,m utation ofG a.xylinusoccurred understationary cultivation in 300 m lm edium ,w hich led to decrease ofbacterialcellu-lose (B C )yield by 38.8% .W hen the m edium volum e increased to 700 m l,B C yield decreased 76.3% ,and the m utantbacterialnum berw as 1.3×10^6 C FU /m l.C om pared w ith static cultivation,m utation ratesofG a.xylinusw ere higher,w hen shaking at120 r/m in.M utation w asinhibited by m esh fil-terno m atterw hich cultivation m ethod w asused.Thereby the cellulose production w asincreased. |
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Keywords: | G luconacetobacterxylinus m utation m esh filter |
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