Abstract
Objective: To establish a quantitative analysis of multi-components by single marker (QAMS) method for the determination of triterpenoids and distinction of Ganoderma and related species. Methods: Ten ganoderma triterpenoids were determined by HPLC in addition to a QAMS method. On the basis of QAMS, principal component analysis (PCA) and cluster analysis (CA) were used to distinguish Ganoderma samples.Results: Ten types of ganoderma triterpenoids had good linearity of regression coefficients (R2 ≥ 0.9992). Relative correction factors (RCFs) of lucideric acid C, lucideric acid LM1, ganoderic acid G, lucideric acid B, lucideric acid A, ganoderenic acid D, ganoderic acid D, lucideric acid D and ganoderic acid F with reference to ganoderic acid A were 0.929, 1.011, 0.608, 1.041, 0.997, 2.464, 0.891, 0.826 and 0.722, respectively. Ten types of ganoderma triterpenoids in twenty-nine batches of Ganoderma and related species were determined by QAMS. Nineteen batches of samples containing ganoderma acid A were roughly divided into three categories by PCA and CA.Conclusion: The developed QAMS method, in combination with PCA and CA, served as an accurate method for the rapid evaluation and authenticity identification of Ganoderma.
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