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author:

张建美 (张建美.) [1] | 韩尧跃 (韩尧跃.) [2] | 王国增 (王国增.) [3] | 叶秀云 (叶秀云.) [4] | 林娟 (林娟.) [5]

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PKU CSCD

Abstract:

以课题组从龙须菜中分离得到的产琼胶酶弧菌Ag-1为试验菌株,对其产酶培养基和发酵条件进行研究,得到优化后的培养基配方和培养条件为:琼脂0.2%,蛋白胨0.3%,酵母膏0、8%,NaCl 4.0%,MgSO4 0,6%,CaCl2 0.2%;培养基初始pH 6.5,接种量1%(体积分数),摇床转速240 r/min,装液量50 mL/250 mL,发酵温度33℃,发酵周期24 h.在此条件下做发酵产酶试验,琼胶酶活力达45.51 U/mL,较优化前的7.0 U/mL提高了5.5倍.

Keyword:

产酶条件优化 培养基优化 弧菌 琼胶酶

Community:

  • [ 1 ] [张建美]福州大学
  • [ 2 ] [韩尧跃]福州大学
  • [ 3 ] [王国增]福州大学
  • [ 4 ] [叶秀云]福州大学
  • [ 5 ] [林娟]福州大学

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Source :

中国食品学报

ISSN: 1009-7848

Year: 2017

Issue: 3

Volume: 17

Page: 90-95

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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