Evaluation of monosodium glutamate, disodium inosinate and guanylate umami taste by an electronic tongue
文献类型: 外文期刊
第一作者: Yang, Yang
作者: Yang, Yang;Chen, Qinqin;Shen, Cheng;Zhang, Shuming;Gan, Zhilin;Hu, Rui;Zhao, Jinhong;Ni, Yuanying;Yang, Yang;Gan, Zhilin;Hu, Rui;Zhao, Jinhong;Ni, Yuanying;Chen, Qinqin;Zhang, Shuming
作者机构:
关键词: sensor;electronic tongue;umami;MSG;IMP;GMP
期刊名称:JOURNAL OF FOOD ENGINEERING ( 影响因子:5.354; 五年影响因子:5.144 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: An electronic tongue (e-Tongue) was used to evaluate umami taste and compare different flavor enhancers (concentration and manufacture). Monosodium glutamate and three kinds of disodium inosinate and guanylate (I + C) were analyzed. The obtained data were analyzed by principal component analysis (PCA). The first principal component represented the intensity of umami taste. Based on Euclidean distance between 'I + G' samples and MSG (0.5%) on the PCA score plot, the umami intensity of all samples was ranked. The 'I + C' samples produced by three manufactures were successfully discriminated on the second principal component with a high discrimination index (82.26). Besides, the drift phenomenon of sensor was discussed and finishing sensor analyses in a continuous time could help avoid the drift. This study showed that e-Tongue was useful in analyzing the umami taste and might be a complementary tool in evaluation of flavor enhancer.
分类号: TS2
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