Research Article

Simultaneous Recognition of Species, Quality Grades, and Multivariate Calibration of Antioxidant Activities for 12 Famous Green Teas Using Mid- and Near-Infrared Spectroscopy Coupled with Chemometrics

Figure 1

(a) Raw MIR spectra of 12 green tea samples; (b) raw NIR spectra of 12 green tea samples.
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(b)