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. 2024 Jul 25;13(15):2053.
doi: 10.3390/plants13152053.

Targeted Screening and Quantification of Characteristic Sesquiterpene Lactones in Ambrosia artemisiifolia L. at Different Growth Stages

Balázs Kovács  1 , Péter Püski  1 , Ákos Bajtel  1 , Elek Ferencz  2 , Boglárka Csupor-Löffler  3   4 , Dezső Csupor  1   3   4 , Tivadar Kiss  1   5
Affiliations

Targeted Screening and Quantification of Characteristic Sesquiterpene Lactones in Ambrosia artemisiifolia L. at Different Growth Stages

Balázs Kovács et al. Plants (Basel). .

Abstract

Sesquiterpene lactones are specialized plant metabolites with promising pharmacological activities. These metabolites are characteristic marker compounds for the aerial parts of Ambrosia artemisiifolia. Numerus sesquiterpene lactones have been isolated from ragweed; however, there is no information on their bioproduction and quantification throughout the life cycle of the plant. The sesquiterpene lactone content of ragweed samples collected in Szeged and Nyíri was analyzed using HPLC. Significant differences in the amount and bioproduction rhythm of sesquiterpene lactones were found between the two sets of samples. The samples collected near Szeged contained significantly lower amounts of the investigated compounds compared to the Nyíri samples. Sesquiterpene lactone production in the samples peaked at the end of July or in August; the trend of the change in sesquiterpene lactones might correlate with precipitation and temperature. Geographical location and geoclimatic factors might exert significant influence on the production of sesquiterpene lactones in ragweed.

Keywords: Ambrosia artemisiifolia; HPLC/DAD; chemical profile; sesquiterpene lactones.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Concentration levels of sesquiterpene lactones in the aerial parts of A. artemisiifolia collected near Szeged from June to October.
Figure 2
Figure 2
Concentration levels of sesquiterpene lactones in the aerial parts of A. artemisiifolia collected near Nyíri from June to October.
Figure 3
Figure 3
Monthly average rainfall recorded from 2020 to 2022 (a) and daily rainfall recorded from April to October in 2021 (b). Data source: HungaroMet.
Figure 4
Figure 4
Monthly average temperatures registered from 2020 to 2022 (a) and the daily lowest and highest temperatures registered from May to October in 2021 (b). Data source: HungaroMet.
Figure 5
Figure 5
Monthly global solar radiation recorded at collection sites. Data source: HungaroMet.
See this image and copyright information in PMC

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