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马铃薯浸渍富集γ-氨基丁酸工艺研究

The enrichment conditions of γ-aminobutyric acid in potatoes by dipping

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以浸渍处理的pH、温度以及谷氨酸钠(MSG)体积浓度为考察因素,γ-氨基丁酸(γ-aminobutyric acid,简称GABA)含量为响应指标,在单因素实验的基础上,进行3因素3水平的中心复合设计,并采用响应面分析法优化浸渍处理马铃薯富集GABA的工艺。得出最佳浸渍条件为:pH为5.5、处理温度为33.3℃、MSG的体积浓度为12mg/mL,处理后马铃薯中GABA的富集量可达到0.929mg/g鲜重,是处理前马铃薯中GABA含量0.357mg/g鲜重的将近3倍。
The effects of pH,temperature and MSG were studied while using dipping treatment to accumulate γ-aminobutyric acid(GABA) in potatoes.The optimal conditions of dipping treatment were detemined by response surface analysis.The results were as follows:pH5.5,dipping temperature 33.3 ℃,MSG solution 12 mg/mL.Under such conditions,the content of GABA increased to 0.929 mg/g(fresh weight) nearly thrice as the untreated potatoes.

GABApotatoenrichment conditionresponse surface analysis

何秋云、杨志伟、王挥、潘莹瑛、黄山

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广西大学轻工与食品工程学院,南宁530004

GABA 马铃薯 富集工艺 响应面分析法

广西大学科研基金

XBZ090034

2011

食品科技
北京市粮食科学研究所

食品科技

北大核心
影响因子:0.622
ISSN:1005-9989
年,卷(期):2011.36(8)
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