作　　者： ; ; ; ; ; ;

机构地区： 南京农业大学食品科技学院农业部农畜产品加工与质量控制重点开放实验室

出　　处： 《食品与发酵工业》 2008年第7期77-81,共5页

摘　　要： 采用响应面法对米糠富集γ-氨基丁酸(GABA)的培养液组分谷氨酸钠(MSG)、CaCl_2和V_B_6等进行优化,利用Design Expert软件对米糠富集GABA的二次回归模型进行分析。结果表明,二次回归方程的决定系数R^2=0.959,方程能很好的预测GABA富集含量的变化。米糠富集GABA的最适培养液组分为MSG 59.2 mmol/L、CaCl_2 1.44 mmol/L、V_B_6 0.62 mmol/L,GABA富集最高量预测值为584.67 mg/100 g。 In this paper, the culture solution compositions （MSG, CaCl2, VB6 ） of GABA accumulation in rice bran were optimized with response surface methodology （RSM） and the quadric regression equation was analyzed by Design Expert software. The R-squared of the regression equation was 0. 959; the established equation could predict the GABA accumulation commendably at the range of factors in this design. The optimum composition of culture solution were MSG 59.2 mmol/L, CaCl2 1.44 mmol/L, VB6 0.62 mmol/L. Under these conditions, it was predicted that the highest accumulation of GABA was 584.67 mg/100 g.

关 键 词： 米糠 氨基丁酸 培养液 组分 优化

领　　域： [轻工技术与工程] [轻工技术与工程] [化学工程] [化学工程]