Real-Time Release Testing of Herbal Extract Powder by Near-Infrared Spectroscopy considering the Uncertainty around Specification Limits

Table 6

The β-content, γ-confidence tolerance intervals estimated for different concentration levels of tanshinoneII_A.

Concentration level (%)	L	U	L (%)	U (%)
0.10	−0.76	0.38	−864.48	275.14
0.15	−1.15	0.79	−864.79	423.90
0.36	−0.49	0.98	−236.06	170.13
0.54	0.45	1.26	−16.77	132.82
2.04	0.74	2.46	−63.86	20.52
6.03	5.39	6.50	−10.51	7.84
18.76	17.11	19.56	−8.80	4.27
27.64	25.14	27.77	−9.06	0.46