Detection of Moldy Rice by Self-made Electronic Nose

LI Chao; ZHOU Bo

doi:10.13386/j.issn1002-0306.2020090092

Volume 42 Issue 12

Jun. 2021

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Science and Technology of Food Industry > 2021 > 42(12): 218-224. > DOI: 10.13386/j.issn1002-0306.2020090092

LI Chao, ZHOU Bo. Detection of Moldy Rice by Self-made Electronic Nose [J]. Science and Technology of Food Industry, 2021, 42(12): 218−224. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2020090092.

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Detection of Moldy Rice by Self-made Electronic Nose

LI Chao^1,,
ZHOU Bo^2, ,

1.
College of Mechanical Engineering, Jiangsu Univercity, Zhenjiang 212000, China
2.
Department of Mechanical Engineering, Yancheng Institute of Technology, Yancheng 224051, China

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Received Date: September 09, 2020
Available Online: April 19, 2021

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Abstract

Abstract

In order to identify the moldy rice rapidly, an electronic nose system based on LabVIEW was developed. The volatiles of rice samples mixed with different proportions of moldy rice in different days were detected by the electronic nose system. Principal component analysis (PCA) and linear discriminant analysis (LDA) were performed on the collected data. Finally, back propagation (BP) neural network was used to establish the prediction model. The results showed that, there was significant difference in volatile matter between normal rice and moldy rice volatiles, and the LDA classification effect was better than PCA. The correlation between predicted value and actual value of the model was more than 0.953, the average relative error of training set and test set was 3.56% and 4.18%, and the recognition rate of training set and test set was 100% for normal rice samples. In conclusion, the electronic nose system could be used as an effective means of non-destructive detection of moldy rice, and had practical significance in rice quality identification.
- electronic nose,
- moldy rice,
- principal component analysis(PCA),
- linear discriminant analysis (LDA),
- BP neural network

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References (31)

References

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