Abstract
Objective: To avoid young liquor as old liquor and realize the discrimination of Baijiu age. Methods: The near infrared transmission spectra of Baijiu samples were collected by near infrared spectrometer, and the synchronous and asynchronous two-dimensional correlation spectra of Baijiu samples were constructed with the wine age as the external disturbance. On this basis, the autocorrelation spectrum of each sample was extracted, and the age discrimination model of Baijiu was established by combining Markov distance method. Results: The wave band from 1400 nm to 1800 nm contained the effective information about the changes of Baijiu samples on age. The discrimination accuracy of model correction set was 93.3%, and that of prediction set was 92.0%. Conclusion: Two dimensional correlation spectrum combined with Mahalanobis distance method can effectively identify the age of Baijiu.
Publication Date
12-28-2022
First Page
56
Last Page
59,98
DOI
10.13652/j.spjx.1003.5788.2022.80606
Recommended Citation
Tao, ZHOU; Zhi-yong, ZHANG; Ning, HAN; Wei, GAO; and Li-yan, JIA
(2022)
"Identification of the age of Baijiu based on two-dimensional correlation near infrared spectroscopy,"
Food and Machinery: Vol. 38:
Iss.
12, Article 9.
DOI: 10.13652/j.spjx.1003.5788.2022.80606
Available at:
https://www.ifoodmm.cn/journal/vol38/iss12/9
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