低频磁场对紫色红曲菌固态发酵产γ-氨基丁酸的影响

doi:10.13304/j.nykjdb.2015.478

中国农业科技导报 ›› 2015, Vol. 17 ›› Issue (5): 94-98.DOI: 10.13304/j.nykjdb.2015.478

低频磁场对紫色红曲菌固态发酵产γ-氨基丁酸的影响

万云雷1,韩红霞1,李利1,伍潇洁1,高梦祥1,2*

(1.长江大学生命科学学院, 湖北荆州 434025|2.长江大学荆楚特色食品研发中心, 湖北荆州 434025)

收稿日期:2015-08-17 修回日期:2015-08-26 出版日期:2015-10-15 发布日期:2015-10-15
通讯作者: 高梦祥，教授，博士，主要从事磁场辅助微生物发酵技术和农副产品物理加工和安全控制技术研究。E-mail：mxgao0398@163.com
作者简介:万云雷|硕士研究生|研究方向为农副产品的微生物利用。E-mail：604939391@qq.com。
基金资助:
国家自然科学基金项目（31371829）资助。

Effect of Low-frequency Magnetic Feld on Gamma-aminobutyric Acid Produced by Monascus purpureus in Solid-state Fermentation

WAN Yun-lei1, HAN Hong-xia1, LI Li1, WU Xiao-jie1, GAO Meng-xiang1,2*

(College of Life Science, Yangtze University, Hubei Jingzhou 434025|
2.Jingchu Food Research and Development Center, Yangtze University, Hubei |Jingzhou 434025, China)

Received:2015-08-17 Revised:2015-08-26 Online:2015-10-15 Published:2015-10-15

摘要/Abstract

摘要：

采用低频磁场处理紫色红曲菌（Monascus purpurcus），发酵产生γ-氨基丁酸（GABA）。分别研究了低频磁场强度、处理时间和处理时期对紫红曲霉固态发酵产GABA的影响，并研究了最佳处理条件下，紫红曲霉产GABA的发酵动力学。结果表明：用1.6 mT的低频磁场在紫色红曲菌发酵培养的第4~8 d，其产GABA的增长率提高了31.6%，最终产量增加了35.7%。低频磁场增强或抑制GABA产量可能与低频磁场改变其代谢途径有关。

关键词: 低频磁场, 紫色红曲菌, &gamma, -氨基丁酸（GABA）, 固态发酵

Abstract:

Monascus purpurcus was treated with low-frequency magnetic field (LF-MF) to produce gamma- aminobutyric acid (GABA) through fermentation. This paper studied the effect of LF-MF intensity, treating time and treating stage on GABA production by solid-state fermentation of Monascus purpurcus. The paper also studied fermentation kinetics of GABA produced by Monascus purpurcus under optimal treatment condition. The result showed that the growth rate and final output of GABA increased 31.6% and 35.7%, respectively, when Monascus purpurcus was treated by LF-MF at 1.6 mT and at the 4~8 d during its fermentation. The LF-MF can intensify or inhibit the GABA output. This might be related to LF-MFs ability to change metabolic pathway of GABA.

Key words: low-frequency magnetic field (LF-MF), Monascus purpureus, gamma-aminobutyric, solid-state fermentation

中图分类号:

Q937
TS201

万云雷1,韩红霞1,李利1,伍潇洁1,高梦祥1,2*. 低频磁场对紫色红曲菌固态发酵产γ-氨基丁酸的影响[J]. 中国农业科技导报, 2015, 17(5): 94-98.

WAN Yun-lei1, HAN Hong-xia1, LI Li1, WU Xiao-jie1, GAO Meng-xiang1,2*. Effect of Low-frequency Magnetic Feld on Gamma-aminobutyric Acid Produced by Monascus purpureus in Solid-state Fermentation[J]. Journal of Agricultural Science and Technology, 2015, 17(5): 94-98.

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低频磁场对紫色红曲菌固态发酵产γ-氨基丁酸的影响

Effect of Low-frequency Magnetic Feld on Gamma-aminobutyric Acid Produced by Monascus purpureus in Solid-state Fermentation

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