Research Article

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

Table 5

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

Concentration level (%)LUL (%)U (%)

0.20−0.0970.895−149.64348.98
0.310.0620.847−79.99173.75
0.500.231.15−54.29132.15
1.180.451.40−61.2918.81
2.051.722.39−16.1016.75
2.261.982.98−12.3331.68
5.294.335.51−18.214.23
9.688.9310.10−7.804.35