| 低双乙酰啤酒酵母激光诱变条件的研究 |
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| 引用本文： | 张智维,张璐,代春吉. 低双乙酰啤酒酵母激光诱变条件的研究[J]. 中国酿造, 2005, 0(3): 27-28 |
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| 作者姓名： | 张智维 张璐 代春吉 |
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| 作者单位： | 陕西科技大学,生命科学与工程学院,陕西,咸阳,712081 |
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| 摘 要： | 以激光为诱变剂照射啤酒酵母，得到1株双乙酰值低的啤酒酵母。用该菌株酿造的啤酒，发酵液中双乙酰含量为0．0836mg／L，比用原菌株酿造的啤酒下降了53％。激光诱变的条件为：波长623．8nm(红色)、功率6mW的He—Ne激光，用滤纸片法照射啤酒酵母，照射时间为5min。
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| 关 键 词： | 激光诱变 双乙酰 啤酒酵母 |
| 文章编号： | 0254-5071(2005)03-0027-02 |
| 修稿时间： | 2004-03-09 |
Study on laser induced mutation condition of low-diacetyl producing Saccharomyces cerevisiae |
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| ZHANG Zhi-wei,ZHANG Lu,DAI Chun-ji. Study on laser induced mutation condition of low-diacetyl producing Saccharomyces cerevisiae[J]. China Brewing, 2005, 0(3): 27-28 |
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| Authors: | ZHANG Zhi-wei ZHANG Lu DAI Chun-ji |
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| Abstract: | A low-diacetyl producing Saccharomyces cerevisiae was obtained by using laser as a mutagen to irradiate S. cerevisiae. The fermented broth of the beer made from this strain contained diacetyl of 0.0836 mg/ L, a 53% reduction than the beer made from original strain. The mutation condition was: 623.8 nm (red) wavelength, He-Ne laser with 6 mW power, filter-paper irradiation method, and 5 min irradiation time. |
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| Keywords: | laser mutation diacetyl Saccharomyces cerevisiae |
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