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Chemical Constituents of Ginseng Radix et Rhizoma with Different Growth Years and Different Origins Based on LC-MS / 中国实验方剂学杂志
Article in Chinese | WPRIM | ID: wpr-873301
Responsible library: WPRO
ABSTRACT

Objective:

To study the components of Ginseng Radix et Rhizoma of different origins and growth years.

Method:

Rapid liquid chromatography-time of flight mass spectrometry (RRLC-Q-TOF-MS) was applied to detect the raw data of Ginseng Radix et Rhizoma.After peak extraction, alignment, and normalization, the multivariate statistical analysis was made for the resulted dataset to find out the different compounds.The compounds were identified by using accurate molecular weight and tandem mass spectra, and the standard references were used to further confirm the identification.The changing trends of these components in different ginseng samples were observed.

Result:

The ginseng samples of different growth years and different origins were divided into different groups in the score plot of PLS-DA, and the variables with the variable importance in projection (VIP) value of more than 1 were considered to contribute more to the separations, then the t-test was applied to determine whether potential biomarkers were statistically significant (P<0.05) between the two groups.The contents of eleven compounds, including ginsenoside Rb1, Rh4, and Rk2, were significantly different between ginseng samples aged 3 and 5 years, and the contents of these compounds increased as the rise of the ginseng growth years.Ginsenosides Rg1, Rf, Rh1, Rb1, and other six compounds were significantly different in ginseng samples from Jilin and Heilongjiang province.

Conclusion:

LC-MS is a rapid and accurate method for the analysis of ginseng samples, and could help to find out the different components among samples.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2020 Type: Article