| 果胶酶产生菌的选育 |
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| 引用本文： | 李强军,许侣康,张星元,陈舜祖.果胶酶产生菌的选育[J].食品与生物技术学报,1989,8(3). |
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| 作者姓名： | 李强军 许侣康 张星元 陈舜祖 |
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| 作者单位： | 无锡轻工业学院发酵系
(李强军，张星元)，无锡轻工业学院食工系
(许侣康)，无锡轻工业学院食工系(陈舜祖) |
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| 摘 要： | 本试验筛选到一株适于使苹果汁澄清的果胶酶产生黑曲菌No.07,应用物理因素及化学因素对No.07进行处理,从白色突变菌落中获得一高产株CL—8501,对CL—8501的培养基及发酵条件进行了优化,在优化的培养基及较适条件下,CL—8501产酶达631.6单位/毫升,产量此出发株No.07提高约105倍。
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| 关 键 词： | 果胶酶 黑曲酶 苹果汁澄清 菌种选育 |
The Selection of Pectinase Producing Strain |
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| Li Qiangjun Xu Liukang Zhang Xinyuan Chen Shunzu.The Selection of Pectinase Producing Strain[J].Journal of Food Science and Biotechnology,1989,8(3). |
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| Authors: | Li Qiangjun Xu Liukang Zhang Xinyuan Chen Shunzu |
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| Affiliation: | Li Qiangjun Xu Liukang Zhang Xinyuan Chen Shunzu |
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| Abstract: | Aspergillus niger No.07, Which is suitable for clarification of apple juice, is screened, then treated with physical and chemical factors. A high yield strain CL-8501 is selected from white mutant colonies. The fermentation conditions and medium composition of CL-8501 are investigated. Under the favorable condition and in the suitable medium(sucrose2%, pectin 2%, NH_4NO_3 0.2%), the activity of pectinase of CL-8501 reaches 631 6U/ml, 105 times higher than the starting strain No. 07. |
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| Keywords: | Pectinase Aspergillus niger Apple juice clarification Strain selection |
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