LI Rui,ZHANG Yingying,LIU Weihong,et al.Difference analysis of chemical components in roots and rhizomes of 3 medicinal plants of Gentiana from the same origin[J].ZHONGGUO YAOFANG,2023,34(03):303-308.
LI Rui,ZHANG Yingying,LIU Weihong,et al.Difference analysis of chemical components in roots and rhizomes of 3 medicinal plants of Gentiana from the same origin[J].ZHONGGUO YAOFANG,2023,34(03):303-308. DOI: 10.6039/j.issn.1001-0408.2023.03.10.
Difference analysis of chemical components in roots and rhizomes of 3 medicinal plants of Gentiana from the same origin
To provide reference for exploring alternative resources of
Gentiana rigescens
from the plants of
Gentiana
.
METHODS
2
The contents of four components (gentiopicroside, swertiamarin, swertioside and amarogentin) in the roots and rhizomes from 3 plants of
Gentiana
(
G. rigescens
,
G. cephalantha
,
G. delavayi
) were determined by high-performance liquid chromatography (HPLC). The chemical compositions in the above roots and rhizomes were identified by ultra-performance liquid chromatography electrospray ionization quarter-time of flight mass spectrometry (UPLC-ESI-Q-TOF-MS), and the differences were analyzed by principal component analysis (PCA).
RESULTS
2
Four active components such as gentiopicroside, swertiamarin, swertioside and amarogentin were detected in the roots and rhizomes of
G. rigescens
and
G. cephalantha
, and the contents of the four components were similar in both. The contents of gentiopicroside in the root and rhizome of
G. cephalantha
and
G.rigescens
were more than four times of the limit standard of the
Chinese Pharmacopoeia
(Part Ⅰ) in 2020; However, only swertiamarin, swertioside and amarogentin were detected in the roots and rhizomes of
G.delavayi
, and the contents of swertioside and amarogentin were 34.12 and 8.81 times of those of
G.rigescens
, respectively. In addition, a total of 33 compounds were identified from the roots and rhizomes of 3 plants of
Gentiana
by UPLC-ESI-Q-TOF-MS, mainly iridoids. Additionally,
G. rigescens
and
G. cephalantha
contained xantones,
G. delavayi
contained flavonoids. PCA showed that there was a small difference between
G. rigescens
and
G. cephalantha
; however, there was a big difference between
G. delavayi
and
G. rigescens
.
CONCLUSIONS
2
The difference between the roots and rhizomes of
G. cephalantha
and
G. rigescens
from the same origin is small and there is substitutability; while the difference in the chemical components from roots and rhizomes between
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