Bo ZHANG, Xiu-li SUN, Yun-long GUO, et al. Chemical Constituents of Ginseng Radix et Rhizoma with Different Growth Years and Different Origins Based on LC-MS[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(8): 206-212.
DOI:
Bo ZHANG, Xiu-li SUN, Yun-long GUO, et al. Chemical Constituents of Ginseng Radix et Rhizoma with Different Growth Years and Different Origins Based on LC-MS[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(8): 206-212. DOI: 10.13422/j.cnki.syfjx.20200315.
Chemical Constituents of Ginseng Radix et Rhizoma with Different Growth Years and Different Origins Based on LC-MS
To study the components of Ginseng Radix et Rhizoma of different origins and growth years.
Method:
2
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:
2
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 Rb
1
Rh
4
and Rk
2
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 Rg
1
Rf
Rh
1
Rb
1
and other six compounds were significantly different in ginseng samples from Jilin and Heilongjiang province.
Conclusion:
2
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.
关键词
Keywords
references
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Related Institution
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