Teucrium scordium L. and Mentha pulegium L. essential oil importance in adaptive response to salinity stress

Stanković, Milan; Zlatić, Nenad; Mašković, Jelena; Maskovic, Pavle; Jakovljević, Dragana

doi:10.1016/j.bse.2022.104419

Cited by 7 publications

(4 citation statements)

References 20 publications

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“…The primary compounds in essential oils, including 1,8-cineole, menthone, pulegone, and piperitone, play significant roles in the composition and function of these oils. As supported by ref , environmental stresses can trigger an increase in the concentration of major compounds like pulegone and isopulegone, which serves as an adaptive response to stress conditions. Reference reinforces this idea, highlighting that pulegone serves as a primary component in the defense mechanisms of plants against various stresses.…”

Section: Resultsmentioning

confidence: 95%

Impact of Climate Change on the Chemical Compositions and Antioxidant Activity of Mentha pulegium L.

Laftouhi,

Eloutassi,

Ech-Chihbi

et al. 2023

ACS Omega

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A central position in Moroccan ethnobotany is held by the Mentha genus, serving as a vital reference for aromatic and medicinal plants within the Lamiaceae family. The profound importance of Mentha species in the daily lives of Moroccans is recognized, and the primary objective of this study is to assess the impact of rising temperatures and decreasing precipitation on the primary and secondary metabolites of Mentha pulegium under the following climatic conditions: sample 1, cultivated under standard temperature and precipitation conditions during the first year; sample 2, subjected to an 8 °C temperature increase and a 25% reduction in water supply; and sample 3, exposed to a 12 °C temperature rise and a 50% decrease in water availability. Phytochemical screening results reveal a progressive decline in primary metabolites from sample 1 to sample 3 due to the increase in temperature and decrease in precipitation. Conversely, a distinct trend is observed in secondary metabolites and the yield of essential oil, increasing from sample 1 to sample 2 as the temperature rises and precipitation decreases. Remarkably, in sample 3, the yield of essential oil decreases as climatic conditions further deteriorate. Additionally, GC analysis demonstrates that modifications in the chemical compositions of essential oils occur because of the disruption of climatic parameters, particularly in the major compounds. Similarly, changes in climatic parameters significantly influence antioxidant activity, with sample 2 exhibiting the highest activity, as reflected by an IC 50 value (half-maximal inhibitory concentration) of 14,874.04 μg/mL, followed by the third sample at 8488.43 μg/mL, whereas the first sample exhibits the lowest activity at 4505.02 μg/mL. In summary, the complex relationship between climatic factors and the chemical composition of Mentha pulegium is highlighted by our experiment, emphasizing its implications for medicinal properties within an ecological context.

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Section: Resultsmentioning

confidence: 95%

Impact of Climate Change on the Chemical Compositions and Antioxidant Activity of Mentha pulegium L.

Laftouhi,

Eloutassi,

Ech-Chihbi

et al. 2023

ACS Omega

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“…Previous studies have revealed that salt stress signi cantly affects the growth and development, the contents of essential oils, and the constituents of aromatic plants (Kulak et al 2020;Stanković et al 2022). The loss of ion balance and osmotic stress caused by salinity reduces the uptake of mineral elements such as potassium, which inhibits plant growth and development due to nutrient de ciency (Rahman et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

Melatonin application in in vitro conditions may modulate the phyto-biochemical mechanisms of Hymenocrater longiflorus Benth. under salinity stress

Manafi,

Mozafari,

Ghoran

2024

Preprint

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Hymenocrater longiflorus Benth. (Surahalala) is an aromatic perennial plant species rich in secondary metabolites. It exhibits pharmaceutical effects due to essential oils and terpenoid compounds. This study investigated the effects of different NaCl concentrations (0, 50, 100 mM), as salt stress, and melatonin levels (0, 5, 15, 25 µM) on the physiological and phyto-biochemical traits of H. longiflorus under in vitro cultivation. The results showed that the growth parameters, i.e. fresh weight, shoot length, chlorophyll, carotenoids, and relative water content, were maximized by applying 5 µM melatonin. High salinity (50 and 100 mM) caused a significant increase in malondialdehyde and hydrogen peroxide levels, while melatonin treatment reduced the negative effects of salinity and oxidative damage in H. longiflorus. Total phenol content, phenylalanine ammonia-lyase enzyme activity, and antioxidant activity increased upon applying NaCl and melatonin treatments. Under salt stress conditions, certain terpenes (i.e., d-limonene, α-thujene, and γ-terpinene) increased, while others, like α-pinene, copaene, and terpinen-4-ol, decreased. Notably, the application of melatonin at higher concentrations (5 to 25 µM) resulted in elevated essential oil contents, including terpinen-4-ol, eremophila ketone, and copaene. However, 15 µM melatonin and 100 mM NaCl combined achieved the highest levels of d-limonene, α-thujene, and γ-terpinene. Our findings highlighted melatonin’s potential to modulate plant growth and improve the biosynthesis of essential oils and terpenoids in H. longiflorus, subjected to salt stress under in vitro cultivation. This research suggests promising strategies to increase the active phytochemicals of H. longiflorus to enhance its pharmacological benefits and the development of natural products.

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“…In the field, soil contained more nutrients and no salinity stress, which could be a major factor contributing to the change in EO components. Previous studies [39] on Teucrium scordium and Mentha pulegium have demonstrated that the components of EOs change in adaptive response to salinity stress. Further studies on E. maritimum are needed to clarify the effect of salinity and soil fertility on EO quantitative and qualitative compositions.…”

Section: Essential Oil Quantification and Volatile Profile Characteri...mentioning

confidence: 96%

Phytochemical Diversity Comparison in Leaves and Roots of Wild and Micropropagated Latvian Sea Holly (Eryngium maritimum L.)

2023

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The goal of the current study was to compare the chemical composition of the roots, shoots, and leaves of wild-growing Eryngium maritimum L., and of in vitro and in field-cultivated plants in Latvia. The essential oil yield obtained by hydrodistillation ranged from 0.14% to 0.54%, while analysis of the chemical composition using GC-MS revealed a total of 44 different volatiles, with differences in the types and amounts of volatiles between the leaves and roots. Using 96-well plate techniques, the concentration of total phenolic compounds, saponins, and sugars in the aqueous ethanolic extracts of E. maritimum were assessed, along with their capacity to scavenge stable DPPH radicals. Extracts from roots had a lower concentration of total phenolic compounds compared to those from the leaves of wild grown and cultivated plants but did not differ from in vitro shoots. Root, leaf, and shoot samples of the same genotype from different growth conditions had approximately the same concentration of total saponins, while total sugar concentrations were higher in the roots. The growth conditions had a significant effect on the concentration of total phenolic compounds and antiradical activity, with differences that were significant observed between plant aboveground and belowground parts. Analysis using UHPLC-ESI-q-TOF-MS revealed 63 compounds, with amino acids and hydroxycinnamic acid derivatives (such as chlorogenic and rosmarinic acid) being the major compound groups that significantly differed between plant growth conditions. We also demonstrated that rapid screening of volatile compounds in in vitro plants using headspace gas chromatography mass spectrometry analyses can predict the formation of marker compounds in the same mericlones grown in field conditions. These findings provide valuable insights into the chemical composition of E. maritimum and its potential for use in various applications.

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Teucrium scordium L. and Mentha pulegium L. essential oil importance in adaptive response to salinity stress

Cited by 7 publications

References 20 publications

Impact of Climate Change on the Chemical Compositions and Antioxidant Activity of Mentha pulegium L.

Impact of Climate Change on the Chemical Compositions and Antioxidant Activity of Mentha pulegium L.

Melatonin application in in vitro conditions may modulate the phyto-biochemical mechanisms of Hymenocrater longiflorus Benth. under salinity stress

Phytochemical Diversity Comparison in Leaves and Roots of Wild and Micropropagated Latvian Sea Holly (Eryngium maritimum L.)

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