Journal of Analytical Methods in Chemistry

Research Article

Quantitative Analysis of Berberidis Cortex via Quantitative Analysis of Multicomponents by Single Marker (QAMS) Combined with Fingerprint and Chemometrics Methods

Table 7

Characteristic value and variance contribution rate.
ComponentInitial eigenvaluesExtraction sums of squared loadings
Total% of varianceCumulative %Total% of varianceCumulative %
14.86944.26044.2604.86944.26044.260
22.90626.42070.6792.90626.42070.679
32.33321.21091.8902.33321.21091.890