Discrimination of different white chrysanthemum by electronic tongue

Springer Science and Business Media LLC - Tập 50 - Trang 986-992 - 2011
Jun Wang1, Hong Xiao1
1College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, People’s Republic of China

Tóm tắt

This paper describes the application of the electronic tongue (E-tongue) in the Discrimination of different white chrysanthemum. Three grade samples, two brands of samples and the samples adulterated were measured by the E-tongue. It was found the samples with different grades or brands could be clearly discriminated and the samples adulterated were separated from the authentic samples using PCA. The results of DFA and BPNN showed the total predicted accuracy of three grades samples were 86.7% and 93.3%. A strong positive correlation was observed between the sensory score and the predicted score (correlation coefficient is 0.9768) using PLS, and the samples were correctly classified. These results suggest the E-tongue may be useful for quality control of white chrysanthemum.

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