|本期目录/Table of Contents|

[1]张玉千,周学,夏文静,等.棘孢曲霉液体发酵产β-葡萄糖苷酶培养基的优化[J].江苏农业科学,2021,49(11):208-212.
 Zhang Yuqian,et al.Optimization of culture medium for β-glucosidase production by Aspergillus aculeatus in liquid fermentation[J].Jiangsu Agricultural Sciences,2021,49(11):208-212.
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棘孢曲霉液体发酵产β-葡萄糖苷酶培养基的优化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第11期
页码:
208-212
栏目:
资源与环境
出版日期:
2021-06-05

文章信息/Info

Title:
Optimization of culture medium for β-glucosidase production by Aspergillus aculeatus in liquid fermentation
作者:
张玉千1周学1夏文静1郑丹1许晓风12
1.南京师范大学泰州学院化学与生物工程学院,江苏泰州 225300; 2.南京师范大学生命科学学院,江苏南京 210046
Author(s):
Zhang Yuqianet al
关键词:
棘孢曲霉β-葡萄糖苷酶培养基优化正交试验单因素试验
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
以棘孢曲霉为生产菌株进行液态发酵生产β-葡萄糖苷酶,优化产酶培养基成分。采用单因素法对发酵培养基的碳源、氮源、碳氮比、磷酸盐的含量及吐温-80的浓度进行初步探索,借助正交设计试验法确定棘孢曲霉液态发酵产β-葡萄糖苷酶最优培养基组成。结合单因素试验和正交试验得到最优的培养基成分为2%蔗糖、0.16%尿素、碳氮比为30 ∶1、0.2% KH2PO4、0.125%吐温-80。利用优化后的培养基成分进行发酵产酶,β-葡萄糖苷酶的酶活力达到29.23 U/mL,是初始产酶培养基产酶活力的8.21倍。通过对培养基成分的优化,大幅度提高了β-葡萄糖苷酶的产量,为β-葡萄糖苷酶的生产提供了新的菌株,为提高槐角异黄酮的转化研究提供了新的途径及数据参考。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2020-09-23
基金项目:江苏省大学生创新创业训练计划一般项目(编号:201913843026Y);南京师范大学高等教育改革研究课题(编号:2018JG07042、2019JG09001)。
作者简介:张玉千(1985—),男,山东济宁人,硕士研究生,讲师,主要从事天然产物的分离纯化及微生物转化研究。E-mail:zqwl2000@163.com。
通信作者:许晓风,博士,教授,博士生导师,主要从事植物保护、分子遗传与分子生态方面的研究。E-mail:xuxiaofeng@njnu.edu.cn。
更新日期/Last Update: 2021-06-05