Research Article

Rapid Determination of Pachymic Acid Content by Near-Infrared Spectroscopy

Table 3

Test results for the ranges of NIR spectroscopy.

Spectral range (cm−1)RMSEC (mg/g)RMSEP (mg/g)

4200–53900.5040.1240.131
5390–60700.5240.1210.127
6070–75000.8320.0720.079
4000–100000.9150.0510.054