Research Article

Rapid Discrimination of the Geographical Origins of an Oolong Tea (Anxi-Tieguanyin) by Near-Infrared Spectroscopy and Partial Least Squares Discriminant Analysis

Figure 1

Some NIR raw spectra of Anxi-Tieguanyin (a) and non-Anxi-Tieguanyin (b) tea samples.
704971.fig.001a
(a)
704971.fig.001b
(b)